diff --git a/src/css.rs b/src/css.rs
index 40f5810..2e16df7 100644
--- a/src/css.rs
+++ b/src/css.rs
@@ -6,7 +6,7 @@ use std::collections::HashMap;
 use url::Url;
 
 use crate::opts::Options;
-use crate::url::{create_data_url, resolve_url};
+use crate::url::{create_data_url, resolve_url, EMPTY_IMAGE_DATA_URL};
 use crate::utils::retrieve_asset;
 
 const CSS_PROPS_WITH_IMAGE_URLS: &[&str] = &[
@@ -56,14 +56,14 @@ pub fn embed_css(
 }
 
 pub fn format_ident(ident: &str) -> String {
-    let mut res: String = String::new();
+    let mut res: String = "".to_string();
     let _ = serialize_identifier(ident, &mut res);
     res = res.trim_end().to_string();
     res
 }
 
 pub fn format_quoted_string(string: &str) -> String {
-    let mut res: String = String::new();
+    let mut res: String = "".to_string();
     let _ = serialize_string(string, &mut res);
     res
 }
@@ -86,10 +86,10 @@ pub fn process_css<'a>(
     prop_name: &str,
     func_name: &str,
 ) -> Result<String, ParseError<'a, String>> {
-    let mut result: String = str!();
+    let mut result: String = "".to_string();
 
-    let mut curr_rule: String = str!(rule_name.clone());
-    let mut curr_prop: String = str!(prop_name.clone());
+    let mut curr_rule: String = rule_name.clone().to_string();
+    let mut curr_prop: String = prop_name.clone().to_string();
     let mut token: &Token;
     let mut token_offset: SourcePosition;
 
@@ -105,7 +105,7 @@ pub fn process_css<'a>(
         match *token {
             Token::Comment(_) => {
                 let token_slice = parser.slice_from(token_offset);
-                result.push_str(str!(token_slice).as_str());
+                result.push_str(token_slice);
             }
             Token::Semicolon => result.push_str(";"),
             Token::Colon => result.push_str(":"),
@@ -161,13 +161,13 @@ pub fn process_css<'a>(
             }
             // div...
             Token::Ident(ref value) => {
-                curr_rule = str!();
-                curr_prop = str!(value);
+                curr_rule = "".to_string();
+                curr_prop = value.to_string();
                 result.push_str(&format_ident(value));
             }
             // @import, @font-face, @charset, @media...
             Token::AtKeyword(ref value) => {
-                curr_rule = str!(value);
+                curr_rule = value.to_string();
                 if options.no_fonts && curr_rule == "font-face" {
                     continue;
                 }
@@ -181,7 +181,7 @@ pub fn process_css<'a>(
             Token::QuotedString(ref value) => {
                 if curr_rule == "import" {
                     // Reset current at-rule value
-                    curr_rule = str!();
+                    curr_rule = "".to_string();
 
                     // Skip empty import values
                     if value.len() == 0 {
@@ -242,7 +242,7 @@ pub fn process_css<'a>(
                         }
 
                         if options.no_images && is_image_url_prop(curr_prop.as_str()) {
-                            result.push_str(format_quoted_string(empty_image!()).as_str());
+                            result.push_str(format_quoted_string(EMPTY_IMAGE_DATA_URL).as_str());
                         } else {
                             let resolved_url: Url = resolve_url(&document_url, value);
                             match retrieve_asset(
@@ -297,7 +297,7 @@ pub fn process_css<'a>(
                 if *has_sign && *unit_value >= 0. {
                     result.push_str("+");
                 }
-                result.push_str(str!(unit_value * 100.0).as_str());
+                result.push_str(&(unit_value * 100.0).to_string());
                 result.push_str("%");
             }
             Token::Dimension {
@@ -309,12 +309,12 @@ pub fn process_css<'a>(
                 if *has_sign && *value >= 0. {
                     result.push_str("+");
                 }
-                result.push_str(str!(value).as_str());
-                result.push_str(str!(unit).as_str());
+                result.push_str(&value.to_string());
+                result.push_str(&unit.to_string());
             }
             // #selector, #id...
             Token::IDHash(ref value) => {
-                curr_rule = str!();
+                curr_rule = "".to_string();
                 result.push_str("#");
                 result.push_str(&format_ident(value));
             }
@@ -324,7 +324,7 @@ pub fn process_css<'a>(
 
                 if is_import {
                     // Reset current at-rule value
-                    curr_rule = str!();
+                    curr_rule = "".to_string();
                 }
 
                 // Skip empty url()'s
@@ -377,7 +377,7 @@ pub fn process_css<'a>(
                     }
                 } else {
                     if is_image_url_prop(curr_prop.as_str()) && options.no_images {
-                        result.push_str(format_quoted_string(empty_image!()).as_str());
+                        result.push_str(format_quoted_string(EMPTY_IMAGE_DATA_URL).as_str());
                     } else {
                         let full_url: Url = resolve_url(&document_url, value);
                         match retrieve_asset(
diff --git a/src/html.rs b/src/html.rs
index 25abcf3..36654ea 100644
--- a/src/html.rs
+++ b/src/html.rs
@@ -18,7 +18,9 @@ use std::default::Default;
 use crate::css::embed_css;
 use crate::js::attr_is_event_handler;
 use crate::opts::Options;
-use crate::url::{clean_url, create_data_url, is_url_and_has_protocol, resolve_url};
+use crate::url::{
+    clean_url, create_data_url, is_url_and_has_protocol, resolve_url, EMPTY_IMAGE_DATA_URL,
+};
 use crate::utils::{parse_content_type, retrieve_asset};
 
 struct SrcSetItem<'a> {
@@ -173,11 +175,11 @@ pub fn embed_srcset(
         }
     }
 
-    let mut result: String = str!();
+    let mut result: String = "".to_string();
     let mut i: usize = array.len();
     for part in array {
         if options.no_images {
-            result.push_str(empty_image!());
+            result.push_str(EMPTY_IMAGE_DATA_URL);
         } else {
             let image_full_url: Url = resolve_url(&document_url, part.path);
             match retrieve_asset(
@@ -205,7 +207,7 @@ pub fn embed_srcset(
                         result.push_str(image_full_url.as_ref());
                     } else {
                         // Avoid breaking the structure in case if not an HTTP(S) URL
-                        result.push_str(empty_image!());
+                        result.push_str(EMPTY_IMAGE_DATA_URL);
                     }
                 }
             }
@@ -342,7 +344,7 @@ pub fn get_node_attr(node: &Handle, attr_name: &str) -> Option<String> {
         NodeData::Element { ref attrs, .. } => {
             for attr in attrs.borrow().iter() {
                 if &*attr.name.local == attr_name {
-                    return Some(str!(&*attr.value));
+                    return Some(attr.value.to_string());
                 }
             }
             None
@@ -827,10 +829,10 @@ pub fn walk_and_embed_assets(
                     if options.no_images {
                         // Put empty images into src and data-src attributes
                         if img_attr_src_value != None {
-                            set_node_attr(node, "src", Some(str!(empty_image!())));
+                            set_node_attr(node, "src", Some(EMPTY_IMAGE_DATA_URL.to_string()));
                         }
                         if img_attr_data_src_value != None {
-                            set_node_attr(node, "data-src", Some(str!(empty_image!())));
+                            set_node_attr(node, "data-src", Some(EMPTY_IMAGE_DATA_URL.to_string()));
                         }
                     } else {
                         if img_attr_src_value.clone().unwrap_or_default().is_empty()
@@ -840,7 +842,7 @@ pub fn walk_and_embed_assets(
                                 .is_empty()
                         {
                             // Add empty src attribute
-                            set_node_attr(node, "src", Some(str!()));
+                            set_node_attr(node, "src", Some("".to_string()));
                         } else {
                             // Add data URL src attribute
                             let img_full_url: String = if !img_attr_data_src_value
@@ -891,11 +893,11 @@ pub fn walk_and_embed_assets(
                             if let Some(input_attr_src_value) = get_node_attr(node, "src") {
                                 if options.no_images || input_attr_src_value.is_empty() {
                                     let value = if input_attr_src_value.is_empty() {
-                                        str!()
+                                        ""
                                     } else {
-                                        str!(empty_image!())
+                                        EMPTY_IMAGE_DATA_URL
                                     };
-                                    set_node_attr(node, "src", Some(value));
+                                    set_node_attr(node, "src", Some(value.to_string()));
                                 } else {
                                     retrieve_and_embed_asset(
                                         cache,
@@ -913,7 +915,7 @@ pub fn walk_and_embed_assets(
                     }
                 }
                 "image" => {
-                    let mut image_href: String = str!();
+                    let mut image_href: String = "".to_string();
 
                     if let Some(image_attr_href_value) = get_node_attr(node, "href") {
                         image_href = image_attr_href_value;
@@ -984,7 +986,11 @@ pub fn walk_and_embed_assets(
                         if parent_node_name == "picture" {
                             if !source_attr_srcset_value.is_empty() {
                                 if options.no_images {
-                                    set_node_attr(node, "srcset", Some(str!(empty_image!())));
+                                    set_node_attr(
+                                        node,
+                                        "srcset",
+                                        Some(EMPTY_IMAGE_DATA_URL.to_string()),
+                                    );
                                 } else {
                                     let resolved_srcset: String = embed_srcset(
                                         cache,
@@ -1009,7 +1015,7 @@ pub fn walk_and_embed_assets(
                         {
                             if options.no_js {
                                 // Replace with empty JS call to preserve original behavior
-                                set_node_attr(node, "href", Some(str!("javascript:;")));
+                                set_node_attr(node, "href", Some("javascript:;".to_string()));
                             }
                         } else {
                             // Don't touch mailto: links or hrefs which begin with a hash sign
@@ -1083,7 +1089,7 @@ pub fn walk_and_embed_assets(
                     if let Some(frame_attr_src_value) = get_node_attr(node, "src") {
                         if options.no_frames {
                             // Empty the src attribute
-                            set_node_attr(node, "src", Some(str!()));
+                            set_node_attr(node, "src", Some("".to_string()));
                         } else {
                             // Ignore (i)frames with empty source (they cause infinite loops)
                             if !frame_attr_src_value.trim().is_empty() {
@@ -1144,7 +1150,11 @@ pub fn walk_and_embed_assets(
                         // Skip posters with empty source
                         if !video_attr_poster_value.is_empty() {
                             if options.no_images {
-                                set_node_attr(node, "poster", Some(str!(empty_image!())));
+                                set_node_attr(
+                                    node,
+                                    "poster",
+                                    Some(EMPTY_IMAGE_DATA_URL.to_string()),
+                                );
                             } else {
                                 retrieve_and_embed_asset(
                                     cache,
@@ -1167,8 +1177,10 @@ pub fn walk_and_embed_assets(
                                 // Get contents of NOSCRIPT node
                                 let mut noscript_contents = contents.borrow_mut();
                                 // Parse contents of NOSCRIPT node as DOM
-                                let noscript_contents_dom: RcDom =
-                                    html_to_dom(&noscript_contents.as_bytes().to_vec(), str!());
+                                let noscript_contents_dom: RcDom = html_to_dom(
+                                    &noscript_contents.as_bytes().to_vec(),
+                                    "".to_string(),
+                                );
                                 // Embed assets of NOSCRIPT node contents
                                 walk_and_embed_assets(
                                     cache,
diff --git a/src/lib.rs b/src/lib.rs
index cfe8147..57cd530 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,15 +1,6 @@
-#[macro_use]
-extern crate clap;
-
-#[macro_use]
-mod macros;
-
 pub mod css;
 pub mod html;
 pub mod js;
 pub mod opts;
 pub mod url;
 pub mod utils;
-
-#[cfg(test)]
-pub mod tests;
diff --git a/src/macros.rs b/src/macros.rs
deleted file mode 100644
index b93329c..0000000
--- a/src/macros.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#[macro_export]
-macro_rules! str {
-    () => {
-        String::new()
-    };
-    ($val: expr) => {
-        ToString::to_string(&$val)
-    };
-}
-
-#[macro_export]
-macro_rules! empty_image {
-    () => {
-"data:image/png;base64,\
-iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAQAAADY4iz3AAAAEUlEQVR42mNkwAkYR6UolgIACvgADsuK6xYAAAAASUVORK5CYII="
-    };
-}
diff --git a/src/main.rs b/src/main.rs
index d3b88b1..d0fe745 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -18,8 +18,6 @@ use monolith::opts::Options;
 use monolith::url::{create_data_url, resolve_url};
 use monolith::utils::retrieve_asset;
 
-mod macros;
-
 enum Output {
     Stdout(io::Stdout),
     File(fs::File),
@@ -67,7 +65,7 @@ pub fn read_stdin() -> Vec<u8> {
 
 fn main() {
     let options = Options::from_args();
-    let mut target: String = str!(&options.target.clone());
+    let mut target: String = options.target.clone();
 
     // Check if target was provided
     if target.len() == 0 {
@@ -170,7 +168,7 @@ fn main() {
     let mut base_url: Url = target_url.clone();
 
     let data: Vec<u8>;
-    let mut document_encoding: String = str!();
+    let mut document_encoding: String = "".to_string();
     let mut dom: RcDom;
 
     // Retrieve target document
@@ -190,7 +188,12 @@ fn main() {
                     process::exit(1);
                 }
 
-                if options.base_url.clone().unwrap_or(str!()).is_empty() {
+                if options
+                    .base_url
+                    .clone()
+                    .unwrap_or("".to_string())
+                    .is_empty()
+                {
                     base_url = final_url;
                 }
 
@@ -226,7 +229,7 @@ fn main() {
     }
 
     // Use custom base URL if specified, read and use what's in the DOM otherwise
-    let custom_base_url: String = options.base_url.clone().unwrap_or(str!());
+    let custom_base_url: String = options.base_url.clone().unwrap_or("".to_string());
     if custom_base_url.is_empty() {
         // No custom base URL is specified
         // Try to see if document has BASE element
diff --git a/src/opts.rs b/src/opts.rs
index 2ca692b..58cd3c7 100644
--- a/src/opts.rs
+++ b/src/opts.rs
@@ -1,4 +1,4 @@
-use clap::{App, Arg};
+use clap::{crate_authors, crate_description, crate_version, App, Arg};
 use std::env;
 
 #[derive(Default)]
@@ -85,11 +85,11 @@ impl Options {
             .to_string();
         options.no_audio = app.is_present("no-audio");
         if let Some(base_url) = app.value_of("base-url") {
-            options.base_url = Some(str!(base_url));
+            options.base_url = Some(base_url.to_string());
         }
         options.no_css = app.is_present("no-css");
         if let Some(charset) = app.value_of("charset") {
-            options.charset = Some(str!(charset));
+            options.charset = Some(charset.to_string());
         }
         options.ignore_errors = app.is_present("ignore-errors");
         options.no_frames = app.is_present("no-frames");
@@ -107,7 +107,7 @@ impl Options {
             .parse::<u64>()
             .unwrap();
         if let Some(user_agent) = app.value_of("user-agent") {
-            options.user_agent = Some(str!(user_agent));
+            options.user_agent = Some(user_agent.to_string());
         } else {
             options.user_agent = Some(DEFAULT_USER_AGENT.to_string());
         }
diff --git a/src/url.rs b/src/url.rs
index 8f0221b..d360a81 100644
--- a/src/url.rs
+++ b/src/url.rs
@@ -3,6 +3,9 @@ use url::{form_urlencoded, Url};
 
 use crate::utils::{detect_media_type, parse_content_type};
 
+pub const EMPTY_IMAGE_DATA_URL: &'static str = "data:image/png;base64,\
+iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAQAAADY4iz3AAAAEUlEQVR42mNkwAkYR6UolgIACvgADsuK6xYAAAAASUVORK5CYII=";
+
 pub fn clean_url(url: Url) -> Url {
     let mut url = url.clone();
 
@@ -26,7 +29,7 @@ pub fn create_data_url(media_type: &str, charset: &str, data: &[u8], final_asset
         if !charset.trim().is_empty() && !charset.trim().eq_ignore_ascii_case("US-ASCII") {
             format!(";charset={}", charset.trim())
         } else {
-            str!()
+            "".to_string()
         };
 
     data_url.set_path(format!("{}{};base64,{}", media_type, c, base64::encode(data)).as_str());
@@ -75,9 +78,9 @@ pub fn percent_decode(input: String) -> String {
             [
                 key.to_string(),
                 if val.to_string().len() == 0 {
-                    str!()
+                    "".to_string()
                 } else {
-                    str!('=')
+                    "=".to_string()
                 },
                 val.to_string(),
             ]
diff --git a/src/utils.rs b/src/utils.rs
index 1bd2b65..4985ed4 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -110,8 +110,8 @@ pub fn is_plaintext_media_type(media_type: &str) -> bool {
 }
 
 pub fn parse_content_type(content_type: &str) -> (String, String, bool) {
-    let mut media_type: String = str!("text/plain");
-    let mut charset: String = str!("US-ASCII");
+    let mut media_type: String = "text/plain".to_string();
+    let mut charset: String = "US-ASCII".to_string();
     let mut is_base64: bool = false;
 
     // Parse meta data
@@ -120,7 +120,7 @@ pub fn parse_content_type(content_type: &str) -> (String, String, bool) {
     for item in &content_type_items {
         if i == 0 {
             if item.trim().len() > 0 {
-                media_type = str!(item.trim());
+                media_type = item.trim().to_string();
             }
         } else {
             if item.trim().eq_ignore_ascii_case("base64") {
@@ -199,7 +199,7 @@ pub fn retrieve_asset(
                     file_blob.clone(),
                     url.clone(),
                     detect_media_type(&file_blob, url),
-                    str!(),
+                    "".to_string(),
                 ))
             }
         } else {
@@ -232,8 +232,8 @@ pub fn retrieve_asset(
             Ok((
                 cache.get(&cache_key).unwrap().to_vec(),
                 url.clone(),
-                str!(),
-                str!(),
+                "".to_string(),
+                "".to_string(),
             ))
         } else {
             // URL not in cache, we retrieve the file
diff --git a/src/tests/cli/base_url.rs b/tests/cli/base_url.rs
similarity index 100%
rename from src/tests/cli/base_url.rs
rename to tests/cli/base_url.rs
diff --git a/src/tests/cli/basic.rs b/tests/cli/basic.rs
similarity index 97%
rename from src/tests/cli/basic.rs
rename to tests/cli/basic.rs
index df7390a..0304626 100644
--- a/src/tests/cli/basic.rs
+++ b/tests/cli/basic.rs
@@ -77,8 +77,8 @@ mod passing {
     #[test]
     fn css_import_string() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/css/index.html");
-        let path_css: &Path = Path::new("src/tests/data/css/style.css");
+        let path_html: &Path = Path::new("tests/data/css/index.html");
+        let path_css: &Path = Path::new("tests/data/css/style.css");
 
         assert!(path_html.is_file());
         assert!(path_css.is_file());
diff --git a/src/tests/cli/data_url.rs b/tests/cli/data_url.rs
similarity index 98%
rename from src/tests/cli/data_url.rs
rename to tests/cli/data_url.rs
index c89c9d4..9c65a53 100644
--- a/src/tests/cli/data_url.rs
+++ b/tests/cli/data_url.rs
@@ -11,6 +11,8 @@ mod passing {
     use std::env;
     use std::process::Command;
 
+    use monolith::url::EMPTY_IMAGE_DATA_URL;
+
     #[test]
     fn isolate_data_url() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
@@ -139,7 +141,7 @@ mod passing {
                 Hi\
                 </body>\
                 </html>\n",
-                empty_image = empty_image!()
+                empty_image = EMPTY_IMAGE_DATA_URL,
             )
         );
 
diff --git a/src/tests/cli/local_files.rs b/tests/cli/local_files.rs
similarity index 84%
rename from src/tests/cli/local_files.rs
rename to tests/cli/local_files.rs
index d27af67..5304059 100644
--- a/src/tests/cli/local_files.rs
+++ b/tests/cli/local_files.rs
@@ -14,15 +14,20 @@ mod passing {
     use std::process::Command;
     use url::Url;
 
+    use monolith::url::EMPTY_IMAGE_DATA_URL;
+
     #[test]
     fn local_file_target_input_relative_target_path() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let cwd_normalized: String =
-            str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
+        let cwd_normalized: String = env::current_dir()
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .replace("\\", "/");
         let out = cmd
             .arg("-M")
             .arg(format!(
-                "src{s}tests{s}data{s}basic{s}local-file.html",
+                "tests{s}data{s}basic{s}local-file.html",
                 s = MAIN_SEPARATOR
             ))
             .output()
@@ -34,11 +39,11 @@ mod passing {
             String::from_utf8_lossy(&out.stderr),
             format!(
                 "\
-                {file}{cwd}/src/tests/data/basic/local-file.html\n \
-                {file}{cwd}/src/tests/data/basic/local-style.css\n \
-                {file}{cwd}/src/tests/data/basic/local-style-does-not-exist.css (not found)\n \
-                {file}{cwd}/src/tests/data/basic/monolith.png (not found)\n \
-                {file}{cwd}/src/tests/data/basic/local-script.js\n\
+                {file}{cwd}/tests/data/basic/local-file.html\n \
+                {file}{cwd}/tests/data/basic/local-style.css\n \
+                {file}{cwd}/tests/data/basic/local-style-does-not-exist.css (not found)\n \
+                {file}{cwd}/tests/data/basic/monolith.png (not found)\n \
+                {file}{cwd}/tests/data/basic/local-script.js\n\
                 ",
                 file = file_url_protocol,
                 cwd = cwd_normalized
@@ -69,7 +74,7 @@ mod passing {
     #[test]
     fn local_file_target_input_absolute_target_path() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/basic/local-file.html");
+        let path_html: &Path = Path::new("tests/data/basic/local-file.html");
 
         let out = cmd
             .arg("-M")
@@ -104,7 +109,7 @@ mod passing {
                 <script></script>\n\n\n\n\
                 </body></html>\n\
                 ",
-                empty_image = empty_image!()
+                empty_image = EMPTY_IMAGE_DATA_URL
             )
         );
 
@@ -115,14 +120,17 @@ mod passing {
     #[test]
     fn local_file_url_target_input() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let cwd_normalized: String =
-            str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
+        let cwd_normalized: String = env::current_dir()
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .replace("\\", "/");
         let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
         let out = cmd
             .arg("-M")
             .arg("-cji")
             .arg(format!(
-                "{file}{cwd}/src/tests/data/basic/local-file.html",
+                "{file}{cwd}/tests/data/basic/local-file.html",
                 file = file_url_protocol,
                 cwd = cwd_normalized,
             ))
@@ -133,7 +141,7 @@ mod passing {
         assert_eq!(
             String::from_utf8_lossy(&out.stderr),
             format!(
-                "{file}{cwd}/src/tests/data/basic/local-file.html\n",
+                "{file}{cwd}/tests/data/basic/local-file.html\n",
                 file = file_url_protocol,
                 cwd = cwd_normalized,
             )
@@ -156,7 +164,7 @@ mod passing {
                 <script></script>\n\n\n\n\
                 </body></html>\n\
                 ",
-                empty_image = empty_image!()
+                empty_image = EMPTY_IMAGE_DATA_URL
             )
         );
 
@@ -167,8 +175,8 @@ mod passing {
     #[test]
     fn embed_file_url_local_asset_within_style_attribute() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/svg/index.html");
-        let path_svg: &Path = Path::new("src/tests/data/svg/image.svg");
+        let path_html: &Path = Path::new("tests/data/svg/index.html");
+        let path_svg: &Path = Path::new("tests/data/svg/image.svg");
 
         let out = cmd.arg("-M").arg(path_html.as_os_str()).output().unwrap();
 
@@ -198,21 +206,24 @@ mod passing {
     #[test]
     fn discard_integrity_for_local_files() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let cwd_normalized: String =
-            str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
+        let cwd_normalized: String = env::current_dir()
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .replace("\\", "/");
         let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
         let out = cmd
             .arg("-M")
             .arg("-i")
             .arg(if cfg!(windows) {
                 format!(
-                    "{file}{cwd}/src/tests/data/integrity/index.html",
+                    "{file}{cwd}/tests/data/integrity/index.html",
                     file = file_url_protocol,
                     cwd = cwd_normalized,
                 )
             } else {
                 format!(
-                    "{file}{cwd}/src/tests/data/integrity/index.html",
+                    "{file}{cwd}/tests/data/integrity/index.html",
                     file = file_url_protocol,
                     cwd = cwd_normalized,
                 )
@@ -225,11 +236,11 @@ mod passing {
             String::from_utf8_lossy(&out.stderr),
             format!(
                 "\
-                {file}{cwd}/src/tests/data/integrity/index.html\n \
-                {file}{cwd}/src/tests/data/integrity/style.css\n \
-                {file}{cwd}/src/tests/data/integrity/style.css\n \
-                {file}{cwd}/src/tests/data/integrity/script.js\n \
-                {file}{cwd}/src/tests/data/integrity/script.js\n\
+                {file}{cwd}/tests/data/integrity/index.html\n \
+                {file}{cwd}/tests/data/integrity/style.css\n \
+                {file}{cwd}/tests/data/integrity/style.css\n \
+                {file}{cwd}/tests/data/integrity/script.js\n \
+                {file}{cwd}/tests/data/integrity/script.js\n\
                 ",
                 file = file_url_protocol,
                 cwd = cwd_normalized,
diff --git a/src/tests/cli/mod.rs b/tests/cli/mod.rs
similarity index 100%
rename from src/tests/cli/mod.rs
rename to tests/cli/mod.rs
diff --git a/src/tests/cli/noscript.rs b/tests/cli/noscript.rs
similarity index 92%
rename from src/tests/cli/noscript.rs
rename to tests/cli/noscript.rs
index 85ebfdd..f988eda 100644
--- a/src/tests/cli/noscript.rs
+++ b/tests/cli/noscript.rs
@@ -17,8 +17,8 @@ mod passing {
     #[test]
     fn parse_noscript_contents() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/noscript/index.html");
-        let path_svg: &Path = Path::new("src/tests/data/noscript/image.svg");
+        let path_html: &Path = Path::new("tests/data/noscript/index.html");
+        let path_svg: &Path = Path::new("tests/data/noscript/image.svg");
 
         let out = cmd.arg("-M").arg(path_html.as_os_str()).output().unwrap();
 
@@ -48,8 +48,8 @@ mod passing {
     #[test]
     fn unwrap_noscript_contents() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/noscript/index.html");
-        let path_svg: &Path = Path::new("src/tests/data/noscript/image.svg");
+        let path_html: &Path = Path::new("tests/data/noscript/index.html");
+        let path_svg: &Path = Path::new("tests/data/noscript/image.svg");
 
         let out = cmd.arg("-Mn").arg(path_html.as_os_str()).output().unwrap();
 
@@ -79,8 +79,8 @@ mod passing {
     #[test]
     fn unwrap_noscript_contents_nested() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/noscript/nested.html");
-        let path_svg: &Path = Path::new("src/tests/data/noscript/image.svg");
+        let path_html: &Path = Path::new("tests/data/noscript/nested.html");
+        let path_svg: &Path = Path::new("tests/data/noscript/image.svg");
 
         let out = cmd.arg("-Mn").arg(path_html.as_os_str()).output().unwrap();
 
@@ -110,8 +110,8 @@ mod passing {
     #[test]
     fn unwrap_noscript_contents_with_script() {
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
-        let path_html: &Path = Path::new("src/tests/data/noscript/script.html");
-        let path_svg: &Path = Path::new("src/tests/data/noscript/image.svg");
+        let path_html: &Path = Path::new("tests/data/noscript/script.html");
+        let path_svg: &Path = Path::new("tests/data/noscript/image.svg");
 
         let out = cmd.arg("-Mn").arg(path_html.as_os_str()).output().unwrap();
 
diff --git a/src/tests/cli/unusual_encodings.rs b/tests/cli/unusual_encodings.rs
similarity index 91%
rename from src/tests/cli/unusual_encodings.rs
rename to tests/cli/unusual_encodings.rs
index 9a1dca3..acfa849 100644
--- a/src/tests/cli/unusual_encodings.rs
+++ b/tests/cli/unusual_encodings.rs
@@ -16,12 +16,12 @@ mod passing {
     #[test]
     fn properly_save_document_with_gb2312() {
         let cwd = env::current_dir().unwrap();
-        let cwd_normalized: String = str!(cwd.to_str().unwrap()).replace("\\", "/");
+        let cwd_normalized: String = cwd.to_str().unwrap().replace("\\", "/");
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
         let out = cmd
             .arg("-M")
             .arg(format!(
-                "src{s}tests{s}data{s}unusual_encodings{s}gb2312.html",
+                "tests{s}data{s}unusual_encodings{s}gb2312.html",
                 s = MAIN_SEPARATOR
             ))
             .output()
@@ -32,7 +32,7 @@ mod passing {
         assert_eq!(
             String::from_utf8_lossy(&out.stderr),
             format!(
-                "{file}{cwd}/src/tests/data/unusual_encodings/gb2312.html\n",
+                "{file}{cwd}/tests/data/unusual_encodings/gb2312.html\n",
                 file = file_url_protocol,
                 cwd = cwd_normalized,
             )
@@ -67,7 +67,7 @@ mod passing {
     fn properly_save_document_with_gb2312_from_stdin() {
         let mut echo = Command::new("cat")
             .arg(format!(
-                "src{s}tests{s}data{s}unusual_encodings{s}gb2312.html",
+                "tests{s}data{s}unusual_encodings{s}gb2312.html",
                 s = MAIN_SEPARATOR
             ))
             .stdout(Stdio::piped())
@@ -111,14 +111,14 @@ mod passing {
     #[test]
     fn properly_save_document_with_gb2312_custom_charset() {
         let cwd = env::current_dir().unwrap();
-        let cwd_normalized: String = str!(cwd.to_str().unwrap()).replace("\\", "/");
+        let cwd_normalized: String = cwd.to_str().unwrap().replace("\\", "/");
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
         let out = cmd
             .arg("-M")
             .arg("-C")
             .arg("utf8")
             .arg(format!(
-                "src{s}tests{s}data{s}unusual_encodings{s}gb2312.html",
+                "tests{s}data{s}unusual_encodings{s}gb2312.html",
                 s = MAIN_SEPARATOR
             ))
             .output()
@@ -129,7 +129,7 @@ mod passing {
         assert_eq!(
             String::from_utf8_lossy(&out.stderr),
             format!(
-                "{file}{cwd}/src/tests/data/unusual_encodings/gb2312.html\n",
+                "{file}{cwd}/tests/data/unusual_encodings/gb2312.html\n",
                 file = file_url_protocol,
                 cwd = cwd_normalized,
             )
@@ -161,7 +161,7 @@ mod passing {
             .arg("-C")
             .arg("utf0")
             .arg(format!(
-                "src{s}tests{s}data{s}unusual_encodings{s}gb2312.html",
+                "tests{s}data{s}unusual_encodings{s}gb2312.html",
                 s = MAIN_SEPARATOR
             ))
             .output()
@@ -198,12 +198,12 @@ mod failing {
     #[test]
     fn change_iso88591_to_utf8_to_properly_display_html_entities() {
         let cwd = env::current_dir().unwrap();
-        let cwd_normalized: String = str!(cwd.to_str().unwrap()).replace("\\", "/");
+        let cwd_normalized: String = cwd.to_str().unwrap().replace("\\", "/");
         let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
         let out = cmd
             .arg("-M")
             .arg(format!(
-                "src{s}tests{s}data{s}unusual_encodings{s}iso-8859-1.html",
+                "tests{s}data{s}unusual_encodings{s}iso-8859-1.html",
                 s = MAIN_SEPARATOR
             ))
             .output()
@@ -214,7 +214,7 @@ mod failing {
         assert_eq!(
             String::from_utf8_lossy(&out.stderr),
             format!(
-                "{file}{cwd}/src/tests/data/unusual_encodings/iso-8859-1.html\n",
+                "{file}{cwd}/tests/data/unusual_encodings/iso-8859-1.html\n",
                 file = file_url_protocol,
                 cwd = cwd_normalized,
             )
diff --git a/src/tests/css/embed_css.rs b/tests/css/embed_css.rs
similarity index 98%
rename from src/tests/css/embed_css.rs
rename to tests/css/embed_css.rs
index aeae5dc..b8e2a97 100644
--- a/src/tests/css/embed_css.rs
+++ b/tests/css/embed_css.rs
@@ -11,8 +11,9 @@ mod passing {
     use reqwest::Url;
     use std::collections::HashMap;
 
-    use crate::css;
-    use crate::opts::Options;
+    use monolith::css;
+    use monolith::opts::Options;
+    use monolith::url::EMPTY_IMAGE_DATA_URL;
 
     #[test]
     fn empty_input() {
@@ -67,7 +68,7 @@ mod passing {
                 margin-top: -20px; \
                 line-height: -1; \
                 height: calc(100vh - 10pt)",
-                empty_image = empty_image!()
+                empty_image = EMPTY_IMAGE_DATA_URL
             )
         );
     }
@@ -99,7 +100,7 @@ mod passing {
                 margin-top: -20px; \
                 line-height: -1; \
                 height: calc(100vh - 10pt)",
-                empty_image = empty_image!()
+                empty_image = EMPTY_IMAGE_DATA_URL
             )
         );
     }
diff --git a/src/tests/css/is_image_url_prop.rs b/tests/css/is_image_url_prop.rs
similarity index 98%
rename from src/tests/css/is_image_url_prop.rs
rename to tests/css/is_image_url_prop.rs
index 19f71fd..64fb9e6 100644
--- a/src/tests/css/is_image_url_prop.rs
+++ b/tests/css/is_image_url_prop.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::css;
+    use monolith::css;
 
     #[test]
     fn backrgound() {
@@ -64,7 +64,7 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::css;
+    use monolith::css;
 
     #[test]
     fn empty() {
diff --git a/src/tests/css/mod.rs b/tests/css/mod.rs
similarity index 100%
rename from src/tests/css/mod.rs
rename to tests/css/mod.rs
diff --git a/src/tests/data/basic/local-file.html b/tests/data/basic/local-file.html
similarity index 100%
rename from src/tests/data/basic/local-file.html
rename to tests/data/basic/local-file.html
diff --git a/src/tests/data/basic/local-script.js b/tests/data/basic/local-script.js
similarity index 100%
rename from src/tests/data/basic/local-script.js
rename to tests/data/basic/local-script.js
diff --git a/src/tests/data/basic/local-style.css b/tests/data/basic/local-style.css
similarity index 100%
rename from src/tests/data/basic/local-style.css
rename to tests/data/basic/local-style.css
diff --git a/src/tests/data/css/index.html b/tests/data/css/index.html
similarity index 100%
rename from src/tests/data/css/index.html
rename to tests/data/css/index.html
diff --git a/src/tests/data/css/style.css b/tests/data/css/style.css
similarity index 100%
rename from src/tests/data/css/style.css
rename to tests/data/css/style.css
diff --git a/src/tests/data/import-css-via-data-url/index.html b/tests/data/import-css-via-data-url/index.html
similarity index 100%
rename from src/tests/data/import-css-via-data-url/index.html
rename to tests/data/import-css-via-data-url/index.html
diff --git a/src/tests/data/import-css-via-data-url/style.css b/tests/data/import-css-via-data-url/style.css
similarity index 100%
rename from src/tests/data/import-css-via-data-url/style.css
rename to tests/data/import-css-via-data-url/style.css
diff --git a/src/tests/data/integrity/index.html b/tests/data/integrity/index.html
similarity index 100%
rename from src/tests/data/integrity/index.html
rename to tests/data/integrity/index.html
diff --git a/src/tests/data/integrity/script.js b/tests/data/integrity/script.js
similarity index 100%
rename from src/tests/data/integrity/script.js
rename to tests/data/integrity/script.js
diff --git a/src/tests/data/integrity/style.css b/tests/data/integrity/style.css
similarity index 100%
rename from src/tests/data/integrity/style.css
rename to tests/data/integrity/style.css
diff --git a/src/tests/data/noscript/image.svg b/tests/data/noscript/image.svg
similarity index 100%
rename from src/tests/data/noscript/image.svg
rename to tests/data/noscript/image.svg
diff --git a/src/tests/data/noscript/index.html b/tests/data/noscript/index.html
similarity index 100%
rename from src/tests/data/noscript/index.html
rename to tests/data/noscript/index.html
diff --git a/src/tests/data/noscript/nested.html b/tests/data/noscript/nested.html
similarity index 100%
rename from src/tests/data/noscript/nested.html
rename to tests/data/noscript/nested.html
diff --git a/src/tests/data/noscript/script.html b/tests/data/noscript/script.html
similarity index 100%
rename from src/tests/data/noscript/script.html
rename to tests/data/noscript/script.html
diff --git a/src/tests/data/svg/image.svg b/tests/data/svg/image.svg
similarity index 100%
rename from src/tests/data/svg/image.svg
rename to tests/data/svg/image.svg
diff --git a/src/tests/data/svg/index.html b/tests/data/svg/index.html
similarity index 100%
rename from src/tests/data/svg/index.html
rename to tests/data/svg/index.html
diff --git a/src/tests/data/unusual_encodings/gb2312.html b/tests/data/unusual_encodings/gb2312.html
similarity index 100%
rename from src/tests/data/unusual_encodings/gb2312.html
rename to tests/data/unusual_encodings/gb2312.html
diff --git a/src/tests/data/unusual_encodings/iso-8859-1.html b/tests/data/unusual_encodings/iso-8859-1.html
similarity index 100%
rename from src/tests/data/unusual_encodings/iso-8859-1.html
rename to tests/data/unusual_encodings/iso-8859-1.html
diff --git a/src/tests/html/add_favicon.rs b/tests/html/add_favicon.rs
similarity index 97%
rename from src/tests/html/add_favicon.rs
rename to tests/html/add_favicon.rs
index ef83553..a276aca 100644
--- a/src/tests/html/add_favicon.rs
+++ b/tests/html/add_favicon.rs
@@ -9,12 +9,12 @@
 mod passing {
     use html5ever::serialize::{serialize, SerializeOpts};
 
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn basic() {
         let html = "<div>text</div>";
-        let mut dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let mut dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
         dom = html::add_favicon(&dom.document, "I_AM_A_FAVICON_DATA_URL".to_string());
 
diff --git a/src/tests/html/check_integrity.rs b/tests/html/check_integrity.rs
similarity index 98%
rename from src/tests/html/check_integrity.rs
rename to tests/html/check_integrity.rs
index 121e412..cb93071 100644
--- a/src/tests/html/check_integrity.rs
+++ b/tests/html/check_integrity.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn empty_input_sha256() {
@@ -51,7 +51,7 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn empty_hash() {
diff --git a/src/tests/html/compose_csp.rs b/tests/html/compose_csp.rs
similarity index 98%
rename from src/tests/html/compose_csp.rs
rename to tests/html/compose_csp.rs
index a05b450..ae3e7a4 100644
--- a/src/tests/html/compose_csp.rs
+++ b/tests/html/compose_csp.rs
@@ -7,8 +7,8 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
-    use crate::opts::Options;
+    use monolith::html;
+    use monolith::opts::Options;
 
     #[test]
     fn isolated() {
diff --git a/src/tests/html/create_metadata_tag.rs b/tests/html/create_metadata_tag.rs
similarity index 99%
rename from src/tests/html/create_metadata_tag.rs
rename to tests/html/create_metadata_tag.rs
index 12a11d2..fa12a36 100644
--- a/src/tests/html/create_metadata_tag.rs
+++ b/tests/html/create_metadata_tag.rs
@@ -10,7 +10,7 @@ mod passing {
     use chrono::prelude::*;
     use reqwest::Url;
 
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn http_url() {
diff --git a/src/tests/html/embed_srcset.rs b/tests/html/embed_srcset.rs
similarity index 89%
rename from src/tests/html/embed_srcset.rs
rename to tests/html/embed_srcset.rs
index 1f920cd..f130c19 100644
--- a/src/tests/html/embed_srcset.rs
+++ b/tests/html/embed_srcset.rs
@@ -11,8 +11,9 @@ mod passing {
     use reqwest::Url;
     use std::collections::HashMap;
 
-    use crate::html;
-    use crate::opts::Options;
+    use monolith::html;
+    use monolith::opts::Options;
+    use monolith::url::EMPTY_IMAGE_DATA_URL;
 
     #[test]
     fn small_medium_large() {
@@ -35,9 +36,7 @@ mod passing {
             embedded_css,
             format!(
                 "{} 1x, {} 1.5x, {} 2x",
-                empty_image!(),
-                empty_image!(),
-                empty_image!(),
+                EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL,
             ),
         );
     }
@@ -61,7 +60,7 @@ mod passing {
 
         assert_eq!(
             embedded_css,
-            format!("{}, {} 1.5x", empty_image!(), empty_image!()),
+            format!("{}, {} 1.5x", EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL),
         );
     }
 
@@ -84,7 +83,7 @@ mod passing {
 
         assert_eq!(
             embedded_css,
-            format!("{} 1x, {} 2x", empty_image!(), empty_image!()),
+            format!("{} 1x, {} 2x", EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL),
         );
     }
 
@@ -109,9 +108,7 @@ mod passing {
             embedded_css,
             format!(
                 "{} 1x, {} 2x, {} 3x",
-                empty_image!(),
-                empty_image!(),
-                empty_image!()
+                EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL
             ),
         );
     }
@@ -130,8 +127,9 @@ mod failing {
     use reqwest::Url;
     use std::collections::HashMap;
 
-    use crate::html;
-    use crate::opts::Options;
+    use monolith::html;
+    use monolith::opts::Options;
+    use monolith::url::EMPTY_IMAGE_DATA_URL;
 
     #[test]
     fn trailing_comma() {
@@ -152,7 +150,7 @@ mod failing {
 
         assert_eq!(
             embedded_css,
-            format!("{} 1x, {} 2x,", empty_image!(), empty_image!()),
+            format!("{} 1x, {} 2x,", EMPTY_IMAGE_DATA_URL, EMPTY_IMAGE_DATA_URL),
         );
     }
 }
diff --git a/src/tests/html/get_base_url.rs b/tests/html/get_base_url.rs
similarity index 82%
rename from src/tests/html/get_base_url.rs
rename to tests/html/get_base_url.rs
index d240040..a87799e 100644
--- a/src/tests/html/get_base_url.rs
+++ b/tests/html/get_base_url.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn present() {
@@ -19,11 +19,11 @@ mod passing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
         assert_eq!(
             html::get_base_url(&dom.document),
-            Some(str!("https://musicbrainz.org"))
+            Some("https://musicbrainz.org".to_string())
         );
     }
 
@@ -38,11 +38,11 @@ mod passing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
         assert_eq!(
             html::get_base_url(&dom.document),
-            Some(str!("https://www.discogs.com/"))
+            Some("https://www.discogs.com/".to_string())
         );
     }
 }
@@ -56,7 +56,7 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn absent() {
@@ -67,7 +67,7 @@ mod failing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
         assert_eq!(html::get_base_url(&dom.document), None);
     }
@@ -82,7 +82,7 @@ mod failing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
         assert_eq!(html::get_base_url(&dom.document), None);
     }
@@ -97,8 +97,8 @@ mod failing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
-        assert_eq!(html::get_base_url(&dom.document), Some(str!()));
+        assert_eq!(html::get_base_url(&dom.document), Some("".to_string()));
     }
 }
diff --git a/src/tests/html/get_charset.rs b/tests/html/get_charset.rs
similarity index 74%
rename from src/tests/html/get_charset.rs
rename to tests/html/get_charset.rs
index 89751ba..9232f99 100644
--- a/src/tests/html/get_charset.rs
+++ b/tests/html/get_charset.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn meta_content_type() {
@@ -19,9 +19,9 @@ mod passing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
-        assert_eq!(html::get_charset(&dom.document), Some(str!("GB2312")));
+        assert_eq!(html::get_charset(&dom.document), Some("GB2312".to_string()));
     }
 
     #[test]
@@ -34,9 +34,9 @@ mod passing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
-        assert_eq!(html::get_charset(&dom.document), Some(str!("GB2312")));
+        assert_eq!(html::get_charset(&dom.document), Some("GB2312".to_string()));
     }
 
     #[test]
@@ -50,9 +50,9 @@ mod passing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
-        assert_eq!(html::get_charset(&dom.document), Some(str!("utf-8")));
+        assert_eq!(html::get_charset(&dom.document), Some("utf-8".to_string()));
     }
     #[test]
     fn multiple_conflicting_meta_content_type_first() {
@@ -65,8 +65,8 @@ mod passing {
     <body>
     </body>
 </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
 
-        assert_eq!(html::get_charset(&dom.document), Some(str!("GB2312")));
+        assert_eq!(html::get_charset(&dom.document), Some("GB2312".to_string()));
     }
 }
diff --git a/src/tests/html/get_node_attr.rs b/tests/html/get_node_attr.rs
similarity index 93%
rename from src/tests/html/get_node_attr.rs
rename to tests/html/get_node_attr.rs
index f7823b9..2be351c 100644
--- a/src/tests/html/get_node_attr.rs
+++ b/tests/html/get_node_attr.rs
@@ -9,12 +9,12 @@
 mod passing {
     use html5ever::rcdom::{Handle, NodeData};
 
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn div_two_style_attributes() {
         let html = "<!doctype html><html><head></head><body><DIV STYLE=\"color: blue;\" style=\"display: none;\"></div></body></html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut count = 0;
 
         fn test_walk(node: &Handle, i: &mut i8) {
@@ -35,7 +35,7 @@ mod passing {
                     } else if node_name == "div" {
                         assert_eq!(
                             html::get_node_attr(node, "style"),
-                            Some(str!("color: blue;"))
+                            Some("color: blue;".to_string())
                         );
                     }
 
diff --git a/src/tests/html/get_node_name.rs b/tests/html/get_node_name.rs
similarity index 95%
rename from src/tests/html/get_node_name.rs
rename to tests/html/get_node_name.rs
index 49ffbed..7019206 100644
--- a/src/tests/html/get_node_name.rs
+++ b/tests/html/get_node_name.rs
@@ -9,12 +9,12 @@
 mod passing {
     use html5ever::rcdom::{Handle, NodeData};
 
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn parent_node_names() {
         let html = "<!doctype html><html><HEAD></HEAD><body><div><P></P></div></body></html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut count = 0;
 
         fn test_walk(node: &Handle, i: &mut i8) {
diff --git a/src/tests/html/has_favicon.rs b/tests/html/has_favicon.rs
similarity index 88%
rename from src/tests/html/has_favicon.rs
rename to tests/html/has_favicon.rs
index f9f7541..96f3d60 100644
--- a/src/tests/html/has_favicon.rs
+++ b/tests/html/has_favicon.rs
@@ -7,12 +7,12 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn icon() {
         let html = "<link rel=\"icon\" href=\"\" /><div>text</div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let res: bool = html::has_favicon(&dom.document);
 
         assert!(res);
@@ -21,7 +21,7 @@ mod passing {
     #[test]
     fn shortcut_icon() {
         let html = "<link rel=\"shortcut icon\" href=\"\" /><div>text</div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let res: bool = html::has_favicon(&dom.document);
 
         assert!(res);
@@ -37,12 +37,12 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn absent() {
         let html = "<div>text</div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let res: bool = html::has_favicon(&dom.document);
 
         assert!(!res);
diff --git a/src/tests/html/is_icon.rs b/tests/html/is_icon.rs
similarity index 98%
rename from src/tests/html/is_icon.rs
rename to tests/html/is_icon.rs
index cc531bf..a29f136 100644
--- a/src/tests/html/is_icon.rs
+++ b/tests/html/is_icon.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn icon() {
@@ -34,7 +34,7 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn mask_icon() {
diff --git a/src/tests/html/mod.rs b/tests/html/mod.rs
similarity index 100%
rename from src/tests/html/mod.rs
rename to tests/html/mod.rs
diff --git a/src/tests/html/serialize_document.rs b/tests/html/serialize_document.rs
similarity index 90%
rename from src/tests/html/serialize_document.rs
rename to tests/html/serialize_document.rs
index 11ae0c5..3cf648b 100644
--- a/src/tests/html/serialize_document.rs
+++ b/tests/html/serialize_document.rs
@@ -7,17 +7,17 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::html;
-    use crate::opts::Options;
+    use monolith::html;
+    use monolith::opts::Options;
 
     #[test]
     fn div_as_root_element() {
         let html = "<div><script src=\"some.js\"></script></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let options = Options::default();
 
         assert_eq!(
-            String::from_utf8_lossy(&html::serialize_document(dom, str!(), &options)),
+            String::from_utf8_lossy(&html::serialize_document(dom, "".to_string(), &options)),
             "<html><head></head><body><div><script src=\"some.js\"></script></div></body></html>"
         );
     }
@@ -28,14 +28,14 @@ mod passing {
                     <link rel=\"something\" href=\"some.css\" />\
                     <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
                     <div><script src=\"some.js\"></script></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut options = Options::default();
         options.isolate = true;
 
         assert_eq!(
             String::from_utf8_lossy(&html::serialize_document(
                 dom,
-                str!(),
+                "".to_string(),
                 &options
             )),
             "<html>\
@@ -60,12 +60,12 @@ mod passing {
                     <title>Unstyled document</title>\
                     <link rel=\"stylesheet\" href=\"main.css\"/>\
                     <div style=\"display: none;\"></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut options = Options::default();
         options.no_css = true;
 
         assert_eq!(
-            String::from_utf8_lossy(&html::serialize_document(dom, str!(), &options)),
+            String::from_utf8_lossy(&html::serialize_document(dom, "".to_string(), &options)),
             "<!DOCTYPE html>\
             <html>\
             <head>\
@@ -84,14 +84,14 @@ mod passing {
                     <title>Frameless document</title>\
                     <link rel=\"something\"/>\
                     <div><script src=\"some.js\"></script></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut options = Options::default();
         options.no_frames = true;
 
         assert_eq!(
             String::from_utf8_lossy(&html::serialize_document(
                 dom,
-                str!(),
+                "".to_string(),
                 &options
             )),
             "<!DOCTYPE html>\
@@ -117,7 +117,7 @@ mod passing {
                         <img style=\"width: 100%;\" src=\"some.png\" />\
                         <iframe src=\"some.html\"></iframe>\
                     </div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut options = Options::default();
         options.isolate = true;
         options.no_css = true;
@@ -129,7 +129,7 @@ mod passing {
         assert_eq!(
             String::from_utf8_lossy(&html::serialize_document(
                 dom,
-                str!(),
+                "".to_string(),
                 &options
             )),
             "<!DOCTYPE html>\
diff --git a/src/tests/html/set_node_attr.rs b/tests/html/set_node_attr.rs
similarity index 84%
rename from src/tests/html/set_node_attr.rs
rename to tests/html/set_node_attr.rs
index 9366f20..120e44d 100644
--- a/src/tests/html/set_node_attr.rs
+++ b/tests/html/set_node_attr.rs
@@ -9,12 +9,12 @@
 mod passing {
     use html5ever::rcdom::{Handle, NodeData};
 
-    use crate::html;
+    use monolith::html;
 
     #[test]
     fn html_lang_and_body_style() {
         let html = "<!doctype html><html lang=\"en\"><head></head><body></body></html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut count = 0;
 
         fn test_walk(node: &Handle, i: &mut i8) {
@@ -31,23 +31,23 @@ mod passing {
                     let node_name = name.local.as_ref().to_string();
 
                     if node_name == "html" {
-                        assert_eq!(html::get_node_attr(node, "lang"), Some(str!("en")));
+                        assert_eq!(html::get_node_attr(node, "lang"), Some("en".to_string()));
 
-                        html::set_node_attr(node, "lang", Some(str!("de")));
-                        assert_eq!(html::get_node_attr(node, "lang"), Some(str!("de")));
+                        html::set_node_attr(node, "lang", Some("de".to_string()));
+                        assert_eq!(html::get_node_attr(node, "lang"), Some("de".to_string()));
 
                         html::set_node_attr(node, "lang", None);
                         assert_eq!(html::get_node_attr(node, "lang"), None);
 
-                        html::set_node_attr(node, "lang", Some(str!("")));
-                        assert_eq!(html::get_node_attr(node, "lang"), Some(str!("")));
+                        html::set_node_attr(node, "lang", Some("".to_string()));
+                        assert_eq!(html::get_node_attr(node, "lang"), Some("".to_string()));
                     } else if node_name == "body" {
                         assert_eq!(html::get_node_attr(node, "style"), None);
 
-                        html::set_node_attr(node, "style", Some(str!("display: none;")));
+                        html::set_node_attr(node, "style", Some("display: none;".to_string()));
                         assert_eq!(
                             html::get_node_attr(node, "style"),
-                            Some(str!("display: none;"))
+                            Some("display: none;".to_string())
                         );
                     }
 
@@ -67,7 +67,7 @@ mod passing {
     #[test]
     fn body_background() {
         let html = "<!doctype html><html lang=\"en\"><head></head><body background=\"1\" background=\"2\"></body></html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let mut count = 0;
 
         fn test_walk(node: &Handle, i: &mut i8) {
@@ -84,7 +84,10 @@ mod passing {
                     let node_name = name.local.as_ref().to_string();
 
                     if node_name == "body" {
-                        assert_eq!(html::get_node_attr(node, "background"), Some(str!("1")));
+                        assert_eq!(
+                            html::get_node_attr(node, "background"),
+                            Some("1".to_string())
+                        );
 
                         html::set_node_attr(node, "background", None);
                         assert_eq!(html::get_node_attr(node, "background"), None);
diff --git a/src/tests/html/walk_and_embed_assets.rs b/tests/html/walk_and_embed_assets.rs
similarity index 92%
rename from src/tests/html/walk_and_embed_assets.rs
rename to tests/html/walk_and_embed_assets.rs
index d06e2a1..5db25a5 100644
--- a/src/tests/html/walk_and_embed_assets.rs
+++ b/tests/html/walk_and_embed_assets.rs
@@ -12,15 +12,16 @@ mod passing {
     use std::collections::HashMap;
     use url::Url;
 
-    use crate::html;
-    use crate::opts::Options;
+    use monolith::html;
+    use monolith::opts::Options;
+    use monolith::url::EMPTY_IMAGE_DATA_URL;
 
     #[test]
     fn basic() {
         let cache = &mut HashMap::new();
 
         let html: &str = "<div><P></P></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
 
         let mut options = Options::default();
@@ -42,7 +43,7 @@ mod passing {
     #[test]
     fn ensure_no_recursive_iframe() {
         let html = "<div><P></P><iframe src=\"\"></iframe></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -65,7 +66,7 @@ mod passing {
     #[test]
     fn ensure_no_recursive_frame() {
         let html = "<frameset><frame src=\"\"></frameset>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -93,7 +94,7 @@ mod passing {
             <style>html{background-color: #000;}</style>\
             <div style=\"display: none;\"></div>\
         ";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -129,7 +130,7 @@ mod passing {
     fn no_images() {
         let html = "<link rel=\"icon\" href=\"favicon.ico\">\
                     <div><img src=\"http://localhost/assets/mono_lisa.png\" /></div>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -157,7 +158,7 @@ mod passing {
                         </div>\
                     </body>\
                 </html>",
-                empty_image = empty_image!()
+                empty_image = EMPTY_IMAGE_DATA_URL
             )
         );
     }
@@ -166,7 +167,7 @@ mod passing {
     fn no_body_background_images() {
         let html =
             "<body background=\"no/such/image.png\" background=\"no/such/image2.png\"></body>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -190,7 +191,7 @@ mod passing {
     #[test]
     fn no_frames() {
         let html = "<frameset><frame src=\"http://trackbook.com\"></frameset>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -222,7 +223,7 @@ mod passing {
     #[test]
     fn no_iframes() {
         let html = "<iframe src=\"http://trackbook.com\"></iframe>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -258,7 +259,7 @@ mod passing {
                 <script>alert(1)</script>\
             </div>\
         ";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -293,7 +294,7 @@ mod passing {
     fn keeps_integrity_for_unfamiliar_links() {
         let html = "<title>Has integrity</title>\
                     <link integrity=\"sha384-12345\" rel=\"something\" href=\"https://some-site.com/some-file.ext\" />";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -328,7 +329,7 @@ mod passing {
             <link integrity=\"\" rel=\"stylesheet\" href=\"data:;\"/>\
             <script integrity=\"\" src=\"some.js\"></script>\
         ";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -366,7 +367,7 @@ mod passing {
             <link integrity=\"sha384-123\" rel=\"something\" href=\"data:;\"/>\
             <script integrity=\"sha384-456\" src=\"some.js\"></script>\
         ";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -410,7 +411,7 @@ mod passing {
                 </body>\
             </html>\
         ";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -452,7 +453,7 @@ mod passing {
                 </noscript>\
             </body>\
         </html>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
@@ -480,7 +481,7 @@ mod passing {
                         </noscript>\
                     </body>\
                 </html>",
-                empty_image!(),
+                EMPTY_IMAGE_DATA_URL,
             )
         );
     }
@@ -488,7 +489,7 @@ mod passing {
     #[test]
     fn preserves_script_type_json() {
         let html = "<script id=\"data\" type=\"application/json\">{\"mono\":\"lith\"}</script>";
-        let dom = html::html_to_dom(&html.as_bytes().to_vec(), str!());
+        let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
         let url: Url = Url::parse("http://localhost").unwrap();
         let cache = &mut HashMap::new();
 
diff --git a/src/tests/js/attr_is_event_handler.rs b/tests/js/attr_is_event_handler.rs
similarity index 98%
rename from src/tests/js/attr_is_event_handler.rs
rename to tests/js/attr_is_event_handler.rs
index a64604d..6eee38e 100644
--- a/src/tests/js/attr_is_event_handler.rs
+++ b/tests/js/attr_is_event_handler.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::js;
+    use monolith::js;
 
     #[test]
     fn onblur_camelcase() {
@@ -34,7 +34,7 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::js;
+    use monolith::js;
 
     #[test]
     fn href() {
diff --git a/src/tests/js/mod.rs b/tests/js/mod.rs
similarity index 100%
rename from src/tests/js/mod.rs
rename to tests/js/mod.rs
diff --git a/src/tests/macros/empty_image.rs b/tests/macros/empty_image.rs
similarity index 100%
rename from src/tests/macros/empty_image.rs
rename to tests/macros/empty_image.rs
diff --git a/src/tests/macros/mod.rs b/tests/macros/mod.rs
similarity index 100%
rename from src/tests/macros/mod.rs
rename to tests/macros/mod.rs
diff --git a/src/tests/macros/str.rs b/tests/macros/str.rs
similarity index 100%
rename from src/tests/macros/str.rs
rename to tests/macros/str.rs
diff --git a/src/tests/mod.rs b/tests/mod.rs
similarity index 81%
rename from src/tests/mod.rs
rename to tests/mod.rs
index cc7d93b..3ce2821 100644
--- a/src/tests/mod.rs
+++ b/tests/mod.rs
@@ -2,7 +2,7 @@ mod cli;
 mod css;
 mod html;
 mod js;
-mod macros;
+// mod macros;
 mod opts;
 mod url;
 mod utils;
diff --git a/src/tests/opts.rs b/tests/opts.rs
similarity index 92%
rename from src/tests/opts.rs
rename to tests/opts.rs
index b138b57..f307ec3 100644
--- a/src/tests/opts.rs
+++ b/tests/opts.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::opts::Options;
+    use monolith::opts::Options;
 
     #[test]
     fn defaults() {
@@ -24,12 +24,12 @@ mod passing {
         assert_eq!(options.no_js, false);
         assert_eq!(options.insecure, false);
         assert_eq!(options.no_metadata, false);
-        assert_eq!(options.output, str!());
+        assert_eq!(options.output, "".to_string());
         assert_eq!(options.silent, false);
         assert_eq!(options.timeout, 0);
         assert_eq!(options.user_agent, None);
         assert_eq!(options.no_video, false);
 
-        assert_eq!(options.target, str!());
+        assert_eq!(options.target, "".to_string());
     }
 }
diff --git a/src/tests/url/clean_url.rs b/tests/url/clean_url.rs
similarity index 99%
rename from src/tests/url/clean_url.rs
rename to tests/url/clean_url.rs
index 1f31bd7..33c494f 100644
--- a/src/tests/url/clean_url.rs
+++ b/tests/url/clean_url.rs
@@ -9,7 +9,7 @@
 mod passing {
     use reqwest::Url;
 
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn preserve_original() {
diff --git a/src/tests/url/create_data_url.rs b/tests/url/create_data_url.rs
similarity index 99%
rename from src/tests/url/create_data_url.rs
rename to tests/url/create_data_url.rs
index f6c3cd5..c5b72ca 100644
--- a/src/tests/url/create_data_url.rs
+++ b/tests/url/create_data_url.rs
@@ -9,7 +9,7 @@
 mod passing {
     use reqwest::Url;
 
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn encode_string_with_specific_media_type() {
diff --git a/src/tests/url/is_url_and_has_protocol.rs b/tests/url/is_url_and_has_protocol.rs
similarity index 98%
rename from src/tests/url/is_url_and_has_protocol.rs
rename to tests/url/is_url_and_has_protocol.rs
index a46690b..38a1d8f 100644
--- a/src/tests/url/is_url_and_has_protocol.rs
+++ b/tests/url/is_url_and_has_protocol.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn mailto() {
@@ -80,7 +80,7 @@ mod passing {
 
 #[cfg(test)]
 mod failing {
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn url_with_no_protocol() {
diff --git a/src/tests/url/mod.rs b/tests/url/mod.rs
similarity index 100%
rename from src/tests/url/mod.rs
rename to tests/url/mod.rs
diff --git a/src/tests/url/parse_data_url.rs b/tests/url/parse_data_url.rs
similarity index 99%
rename from src/tests/url/parse_data_url.rs
rename to tests/url/parse_data_url.rs
index c4a6063..dc6f5af 100644
--- a/src/tests/url/parse_data_url.rs
+++ b/tests/url/parse_data_url.rs
@@ -9,7 +9,7 @@
 mod passing {
     use reqwest::Url;
 
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn parse_text_html_base64() {
@@ -96,7 +96,7 @@ mod passing {
 mod failing {
     use reqwest::Url;
 
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn empty_data_url() {
diff --git a/src/tests/url/percent_decode.rs b/tests/url/percent_decode.rs
similarity index 85%
rename from src/tests/url/percent_decode.rs
rename to tests/url/percent_decode.rs
index 8972f58..d884bad 100644
--- a/src/tests/url/percent_decode.rs
+++ b/tests/url/percent_decode.rs
@@ -7,14 +7,15 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn decode_unicode_characters() {
         assert_eq!(
-            url::percent_decode(str!(
+            url::percent_decode(
                 "%E6%A4%9C%E3%83%92%E3%83%A0%E8%A7%A3%E5%A1%97%E3%82%83%E3%83%83%20%3D%20%E3%82%B5"
-            )),
+                    .to_string()
+            ),
             "検ヒム解塗ゃッ = サ"
         );
     }
@@ -22,7 +23,7 @@ mod passing {
     #[test]
     fn decode_file_url() {
         assert_eq!(
-            url::percent_decode(str!("file:///tmp/space%20here/test%231.html")),
+            url::percent_decode("file:///tmp/space%20here/test%231.html".to_string()),
             "file:///tmp/space here/test#1.html"
         );
     }
@@ -30,9 +31,10 @@ mod passing {
     #[test]
     fn plus_sign() {
         assert_eq!(
-            url::percent_decode(str!(
+            url::percent_decode(
                 "fonts.somewhere.com/css?family=Open+Sans:300,400,400italic,600,600italic"
-            )),
+                    .to_string()
+            ),
             "fonts.somewhere.com/css?family=Open+Sans:300,400,400italic,600,600italic"
         );
     }
diff --git a/src/tests/url/percent_encode.rs b/tests/url/percent_encode.rs
similarity index 91%
rename from src/tests/url/percent_encode.rs
rename to tests/url/percent_encode.rs
index 3fa1c21..fb3555d 100644
--- a/src/tests/url/percent_encode.rs
+++ b/tests/url/percent_encode.rs
@@ -7,10 +7,10 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn apostrophe() {
-        assert_eq!(url::percent_encode(str!("'")), "%27");
+        assert_eq!(url::percent_encode("'".to_string()), "%27");
     }
 }
diff --git a/src/tests/url/resolve_url.rs b/tests/url/resolve_url.rs
similarity index 99%
rename from src/tests/url/resolve_url.rs
rename to tests/url/resolve_url.rs
index 4abede9..c2cc486 100644
--- a/src/tests/url/resolve_url.rs
+++ b/tests/url/resolve_url.rs
@@ -9,7 +9,7 @@
 mod passing {
     use reqwest::Url;
 
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn basic_httsp_relative() {
@@ -211,7 +211,7 @@ mod passing {
 mod failing {
     use reqwest::Url;
 
-    use crate::url;
+    use monolith::url;
 
     #[test]
     fn from_data_url_to_url_with_no_protocol() {
diff --git a/src/tests/utils/detect_media_type.rs b/tests/utils/detect_media_type.rs
similarity index 99%
rename from src/tests/utils/detect_media_type.rs
rename to tests/utils/detect_media_type.rs
index 970af13..f1eeb09 100644
--- a/src/tests/utils/detect_media_type.rs
+++ b/tests/utils/detect_media_type.rs
@@ -9,7 +9,7 @@
 mod passing {
     use reqwest::Url;
 
-    use crate::utils;
+    use monolith::utils;
 
     #[test]
     fn image_gif87() {
@@ -188,7 +188,7 @@ mod passing {
 mod failing {
     use reqwest::Url;
 
-    use crate::utils;
+    use monolith::utils;
 
     #[test]
     fn unknown_media_type() {
diff --git a/src/tests/utils/indent.rs b/tests/utils/indent.rs
similarity index 98%
rename from src/tests/utils/indent.rs
rename to tests/utils/indent.rs
index fb706b3..6879fd0 100644
--- a/src/tests/utils/indent.rs
+++ b/tests/utils/indent.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::utils;
+    use monolith::utils;
 
     #[test]
     fn zero() {
diff --git a/src/tests/utils/mod.rs b/tests/utils/mod.rs
similarity index 100%
rename from src/tests/utils/mod.rs
rename to tests/utils/mod.rs
diff --git a/src/tests/utils/parse_content_type.rs b/tests/utils/parse_content_type.rs
similarity index 99%
rename from src/tests/utils/parse_content_type.rs
rename to tests/utils/parse_content_type.rs
index 07e4cc0..121a1b5 100644
--- a/src/tests/utils/parse_content_type.rs
+++ b/tests/utils/parse_content_type.rs
@@ -7,7 +7,7 @@
 
 #[cfg(test)]
 mod passing {
-    use crate::utils;
+    use monolith::utils;
 
     #[test]
     fn text_plain_utf8() {
diff --git a/src/tests/utils/retrieve_asset.rs b/tests/utils/retrieve_asset.rs
similarity index 94%
rename from src/tests/utils/retrieve_asset.rs
rename to tests/utils/retrieve_asset.rs
index 1d12559..2c61a0d 100644
--- a/src/tests/utils/retrieve_asset.rs
+++ b/tests/utils/retrieve_asset.rs
@@ -12,9 +12,9 @@ mod passing {
     use std::collections::HashMap;
     use std::env;
 
-    use crate::opts::Options;
-    use crate::url;
-    use crate::utils;
+    use monolith::opts::Options;
+    use monolith::url;
+    use monolith::utils;
 
     #[test]
     fn read_data_url() {
@@ -63,13 +63,13 @@ mod passing {
             cache,
             &client,
             &Url::parse(&format!(
-                "{file}{cwd}/src/tests/data/basic/local-file.html",
+                "{file}{cwd}/tests/data/basic/local-file.html",
                 file = file_url_protocol,
                 cwd = cwd.to_str().unwrap()
             ))
             .unwrap(),
             &Url::parse(&format!(
-                "{file}{cwd}/src/tests/data/basic/local-script.js",
+                "{file}{cwd}/tests/data/basic/local-script.js",
                 file = file_url_protocol,
                 cwd = cwd.to_str().unwrap()
             ))
@@ -84,7 +84,7 @@ mod passing {
         assert_eq!(
             final_url,
             Url::parse(&format!(
-                "{file}{cwd}/src/tests/data/basic/local-script.js",
+                "{file}{cwd}/tests/data/basic/local-script.js",
                 file = file_url_protocol,
                 cwd = cwd.to_str().unwrap()
             ))
@@ -106,8 +106,8 @@ mod failing {
     use reqwest::Url;
     use std::collections::HashMap;
 
-    use crate::opts::Options;
-    use crate::utils;
+    use monolith::opts::Options;
+    use monolith::utils;
 
     #[test]
     fn read_local_file_with_data_url_parent() {