refactor(tests): rename integration tests to be able to call group of tests

tests/terminal.rs

@@ -1,8 +1,10 @@
-use tui::backend::{Backend, TestBackend};
-use tui::Terminal;
+use tui::{
+    backend::{Backend, TestBackend},
+    Terminal,
+};
 
 #[test]
-fn buffer_size_limited() {
+fn terminal_buffer_size_should_be_limited() {
     let backend = TestBackend::new(400, 400);
     let terminal = Terminal::new(backend).unwrap();
     let size = terminal.backend().size().unwrap();

tests/widgets_block.rs

@@ -6,7 +6,7 @@ use tui::widgets::{Block, Borders};
 use tui::Terminal;
 
 #[test]
-fn it_draws_a_block() {
+fn widgets_block_renders() {
     let backend = TestBackend::new(10, 10);
     let mut terminal = Terminal::new(backend).unwrap();
     terminal

tests/widgets_chart.rs

@@ -8,7 +8,7 @@ use tui::{
 };
 
 #[test]
-fn zero_axes_ok() {
+fn widgets_chart_can_have_axis_with_zero_length_bounds() {
     let backend = TestBackend::new(100, 100);
     let mut terminal = Terminal::new(backend).unwrap();
 
@@ -37,7 +37,7 @@ fn zero_axes_ok() {
 }
 
 #[test]
-fn handles_overflow() {
+fn widgets_chart_handles_overflows() {
     let backend = TestBackend::new(80, 30);
     let mut terminal = Terminal::new(backend).unwrap();
 
@@ -74,7 +74,7 @@ fn handles_overflow() {
 }
 
 #[test]
-fn empty_dataset_line_test() {
+fn widgets_chart_can_have_empty_datasets() {
     let backend = TestBackend::new(100, 100);
     let mut terminal = Terminal::new(backend).unwrap();
 

tests/widgets_gauge.rs

@@ -7,7 +7,7 @@ use tui::{
 };
 
 #[test]
-fn gauge_render() {
+fn widgets_gauge_renders() {
     let backend = TestBackend::new(40, 10);
     let mut terminal = Terminal::new(backend).unwrap();
     terminal

tests/widgets_list.rs

@@ -9,7 +9,7 @@ use tui::{
 };
 
 #[test]
-fn it_should_highlight_the_selected_item() {
+fn widgets_list_should_highlight_the_selected_item() {
     let backend = TestBackend::new(10, 3);
     let mut terminal = Terminal::new(backend).unwrap();
     let mut state = ListState::default();
@@ -32,24 +32,23 @@ fn it_should_highlight_the_selected_item() {
     for x in 0..9 {
         expected.get_mut(x, 1).set_bg(Color::Yellow);
     }
-    assert_eq!(*terminal.backend().buffer(), expected);
+    terminal.backend().assert_buffer(&expected);
 }
 
 #[test]
-fn it_should_truncate_items() {
+fn widgets_list_should_truncate_items() {
     let backend = TestBackend::new(10, 2);
     let mut terminal = Terminal::new(backend).unwrap();
 
     struct TruncateTestCase<'a> {
-        name: &'a str,
         selected: Option<usize>,
         items: Vec<Text<'a>>,
         expected: Buffer,
     }
 
     let cases = vec![
+        // An item is selected
         TruncateTestCase {
-            name: "an item is selected",
             selected: Some(0),
             items: vec![Text::raw("A very long line"), Text::raw("A very long line")],
             expected: Buffer::with_lines(vec![
@@ -57,8 +56,8 @@ fn it_should_truncate_items() {
                 format!("   A ve{}  ", symbols::line::VERTICAL),
             ]),
         },
+        // No item is selected
         TruncateTestCase {
-            name: "no item is selected",
             selected: None,
             items: vec![Text::raw("A very long line"), Text::raw("A very long line")],
             expected: Buffer::with_lines(vec![
@@ -79,11 +78,6 @@ fn it_should_truncate_items() {
                 f.render_stateful_widget(list, Rect::new(0, 0, 8, 2), &mut state);
             })
             .unwrap();
-        assert_eq!(
-            *terminal.backend().buffer(),
-            case.expected,
-            "Failed to assert the buffer matches the expected one when {}",
-            case.name
-        );
+        terminal.backend().assert_buffer(&case.expected);
     }
 }

tests/widgets_paragraph.rs

@@ -12,7 +12,7 @@ const SAMPLE_STRING: &str = "The library is based on the principle of immediate
      interactive UI, this may introduce overhead for highly dynamic content.";
 
 #[test]
-fn paragraph_render_wrap() {
+fn widgets_paragraph_can_wrap_its_content() {
     let test_case = |alignment, expected| {
         let backend = TestBackend::new(20, 10);
         let mut terminal = Terminal::new(backend).unwrap();
@@ -79,7 +79,7 @@ fn paragraph_render_wrap() {
 }
 
 #[test]
-fn paragraph_render_double_width() {
+fn widgets_paragraph_renders_double_width_graphemes() {
     let backend = TestBackend::new(10, 10);
     let mut terminal = Terminal::new(backend).unwrap();
 
@@ -111,7 +111,7 @@ fn paragraph_render_double_width() {
 }
 
 #[test]
-fn paragraph_render_mixed_width() {
+fn widgets_paragraph_renders_mixed_width_graphemes() {
     let backend = TestBackend::new(10, 7);
     let mut terminal = Terminal::new(backend).unwrap();
 

tests/widgets_table.rs

@@ -5,7 +5,7 @@ use tui::widgets::{Block, Borders, Row, Table};
 use tui::Terminal;
 
 #[test]
-fn table_column_spacing() {
+fn widgets_table_column_spacing_can_be_changed() {
     let test_case = |column_spacing, expected| {
         let backend = TestBackend::new(30, 10);
         let mut terminal = Terminal::new(backend).unwrap();
@@ -106,7 +106,7 @@ fn table_column_spacing() {
 }
 
 #[test]
-fn table_widths() {
+fn widgets_table_columns_widths_can_use_fixed_length_constraints() {
     let test_case = |widths, expected| {
         let backend = TestBackend::new(30, 10);
         let mut terminal = Terminal::new(backend).unwrap();
@@ -197,7 +197,7 @@ fn table_widths() {
 }
 
 #[test]
-fn table_percentage_widths() {
+fn widgets_table_columns_widths_can_use_percentage_constraints() {
     let test_case = |widths, expected| {
         let backend = TestBackend::new(30, 10);
         let mut terminal = Terminal::new(backend).unwrap();
@@ -306,7 +306,7 @@ fn table_percentage_widths() {
 }
 
 #[test]
-fn table_mixed_widths() {
+fn widgets_table_columns_widths_can_use_mixed_constraints() {
     let test_case = |widths, expected| {
         let backend = TestBackend::new(30, 10);
         let mut terminal = Terminal::new(backend).unwrap();

tests/widgets_tabs.rs

@@ -1,7 +1,7 @@
 use tui::{backend::TestBackend, buffer::Buffer, layout::Rect, symbols, widgets::Tabs, Terminal};
 
 #[test]
-fn tabs_should_not_panic_on_narrow_areas() {
+fn widgets_tabs_should_not_panic_on_narrow_areas() {
     let backend = TestBackend::new(1, 1);
     let mut terminal = Terminal::new(backend).unwrap();
     terminal
@@ -23,7 +23,7 @@ fn tabs_should_not_panic_on_narrow_areas() {
 }
 
 #[test]
-fn tabs_should_truncate_the_last_item() {
+fn widgets_tabs_should_truncate_the_last_item() {
     let backend = TestBackend::new(10, 1);
     let mut terminal = Terminal::new(backend).unwrap();
     terminal