webpack/test/StatsTestCases.test.js

118 lines
4.1 KiB
JavaScript

/*globals describe it */
"use strict";
require("should");
const path = require("path");
const fs = require("fs");
const webpack = require("../lib/webpack");
const Stats = require("../lib/Stats");
const base = path.join(__dirname, "statsCases");
const outputBase = path.join(__dirname, "js", "stats");
const tests = fs.readdirSync(base).filter(testName =>
fs.existsSync(path.join(base, testName, "index.js")) ||
fs.existsSync(path.join(base, testName, "webpack.config.js"))
);
describe("StatsTestCases", () => {
tests.forEach(testName => {
it("should print correct stats for " + testName, function(done) {
this.timeout(10000);
let options = {
mode: "development",
entry: "./index",
output: {
filename: "bundle.js"
}
};
if(fs.existsSync(path.join(base, testName, "webpack.config.js"))) {
options = require(path.join(base, testName, "webpack.config.js"));
}
(Array.isArray(options) ? options : [options]).forEach((options) => {
if(!options.context) options.context = path.join(base, testName);
if(!options.output) options.output = options.output || {};
if(!options.output.path) options.output.path = path.join(outputBase, testName);
if(!options.plugins) options.plugins = [];
if(!options.optimization) options.optimization = {};
if(options.optimization.minimize === undefined) options.optimization.minimize = false;
// To support deprecated loaders
// TODO remove in webpack 5
options.plugins.push(new webpack.LoaderOptionsPlugin({
options: {}
}));
});
const c = webpack(options);
const compilers = c.compilers ? c.compilers : [c];
compilers.forEach((c) => {
const ifs = c.inputFileSystem;
c.inputFileSystem = Object.create(ifs);
c.inputFileSystem.readFile = function() {
const args = Array.prototype.slice.call(arguments);
const callback = args.pop();
ifs.readFile.apply(ifs, args.concat([(err, result) => {
if(err) return callback(err);
callback(null, result.toString("utf-8").replace(/\r/g, ""));
}]));
};
new webpack.optimize.OccurrenceOrderPlugin().apply(c);
});
c.run((err, stats) => {
if(err) return done(err);
if(/error$/.test(testName)) {
stats.hasErrors().should.be.equal(true);
} else if(stats.hasErrors()) {
done(new Error(stats.toJson().errors.join("\n\n")));
}
let toStringOptions = {
context: path.join(base, testName),
colors: false
};
let hasColorSetting = false;
if(typeof options.stats !== "undefined") {
toStringOptions = options.stats;
if(toStringOptions === null || typeof toStringOptions !== "object")
toStringOptions = Stats.presetToOptions(toStringOptions);
hasColorSetting = typeof options.stats.colors !== "undefined";
if(!toStringOptions.context) toStringOptions.context = path.join(base, testName);
}
if(Array.isArray(options) && !toStringOptions.children) {
toStringOptions.children = options.map(o => o.stats);
}
let actual = stats.toString(toStringOptions);
(typeof actual).should.be.eql("string");
if(!hasColorSetting) {
actual = actual
.replace(/\u001b\[[0-9;]*m/g, "")
.replace(/[0-9]+(\s?ms)/g, "X$1");
} else {
actual = actual
.replace(/\u001b\[1m\u001b\[([0-9;]*)m/g, "<CLR=$1,BOLD>")
.replace(/\u001b\[1m/g, "<CLR=BOLD>")
.replace(/\u001b\[39m\u001b\[22m/g, "</CLR>")
.replace(/\u001b\[([0-9;]*)m/g, "<CLR=$1>")
.replace(/[0-9]+(<\/CLR>)?(\s?ms)/g, "X$1$2");
}
actual = actual
.replace(/\r\n?/g, "\n")
.replace(/[\t ]*Version:.+\n/g, "")
.replace(path.join(base, testName), "Xdir/" + testName)
.replace(/ dependencies:Xms/g, "");
const expected = fs.readFileSync(path.join(base, testName, "expected.txt"), "utf-8").replace(/\r/g, "");
if(actual !== expected) {
fs.writeFileSync(path.join(base, testName, "actual.txt"), actual, "utf-8");
} else if(fs.existsSync(path.join(base, testName, "actual.txt"))) {
fs.unlinkSync(path.join(base, testName, "actual.txt"));
}
actual.should.be.eql(expected);
done();
});
});
});
});