readability/test/generate-testcase.js
2015-04-21 10:30:48 +02:00

144 lines
3.8 KiB
JavaScript

var debug = false;
var path = require("path");
var fs = require("fs");
var jsdom = require("jsdom").jsdom;
var prettyPrint = require("./utils").prettyPrint;
var serializeDocument = require("jsdom").serializeDocument;
var http = require("http");
var readability = require("../index");
var Readability = readability.Readability;
var JSDOMParser = readability.JSDOMParser;
if (process.argv.length < 3) {
console.error("Need at least a destination slug and potentially a URL (if the slug doesn't have source).");
process.exit(0);
return;
}
var slug = process.argv[2];
var url = process.argv[3]; // Could be undefined, we'll warn if it is if that is an issue.
var destRoot = path.join(__dirname, "test-pages", slug);
fs.mkdir(destRoot, function(err) {
if (err) {
var sourceFile = path.join(destRoot, "source.html");
fs.exists(sourceFile, function(exists) {
if (exists) {
fs.readFile(sourceFile, {encoding: "utf-8"}, function(err, data) {
if (err) {
console.error("Source existed but couldn't be read?");
process.exit(1);
return;
}
onResponseReceived(data);
});
} else {
fetchSource(url, onResponseReceived);
}
});
return;
}
fetchSource(url, onResponseReceived);
});
function fetchSource(url, callbackFn) {
if (!url) {
console.error("You should pass a URL if the source doesn't exist yet!");
process.exit(1);
return;
}
var client = http;
if (url.indexOf("https") == 0) {
client = require("https");
}
client.get(url, function(response) {
if (debug) {
console.log("STATUS:", response.statusCode);
console.log("HEADERS:", JSON.stringify(response.headers));
}
response.setEncoding("utf-8");
var rv = "";
response.on("data", function(chunk) {
rv += chunk;
});
response.on("end", function() {
if (debug) {
console.log("End received");
}
// Sanitize:
rv = prettyPrint(serializeDocument(jsdom(rv)));
callbackFn(rv);
});
});
}
function onResponseReceived(source) {
if (debug) {
console.log("writing");
}
var sourcePath = path.join(destRoot, "source.html");
fs.writeFile(sourcePath, source, function(err) {
if (err) {
console.error("Couldn't write data to source.html!");
console.error(err);
return;
}
if (debug) {
console.log("Running readability stuff");
}
runReadability(source, path.join(destRoot, "expected.html"), path.join(destRoot, "expected-metadata.json"));
});
}
function runReadability(source, destPath, metadataDestPath) {
var doc = new JSDOMParser().parse(source);
var uri = {
spec: "http://fakehost/test/page.html",
host: "fakehost",
prePath: "http://fakehost",
scheme: "http",
pathBase: "http://fakehost/test/"
};
var readability, result, readerable;
try {
readability = new Readability(uri, doc);
readerable = readability.isProbablyReaderable();
result = readability.parse();
} catch (ex) {
console.error(ex);
ex.stack.forEach(console.log.bind(console));
}
if (!result) {
console.error("No content generated by readability, not going to write expected.html!");
return;
}
fs.writeFile(destPath, prettyPrint(result.content), function(err) {
if (err) {
console.error("Couldn't write data to expected.html!");
console.error(err);
}
// Delete the result data we don't care about checking.
delete result.uri;
delete result.content;
delete result.length;
// Add isProbablyReaderable result
result.readerable = readerable;
fs.writeFile(metadataDestPath, JSON.stringify(result, null, 2) + "\n", function(err) {
if (err) {
console.error("Couldn't write data to expected-metadata.json!");
console.error(err);
}
process.exit(0);
});
});
}