webpack/test/Compiler.test.js

997 lines
27 KiB
JavaScript

"use strict";
require("./helpers/warmup-webpack");
const path = require("path");
const Stats = require("../lib/Stats");
const { createFsFromVolume, Volume } = require("memfs");
const captureStdio = require("./helpers/captureStdio");
const deprecationTracking = require("./helpers/deprecationTracking");
describe("Compiler", () => {
jest.setTimeout(20000);
function compile(entry, options, callback) {
const noOutputPath = !options.output || !options.output.path;
const webpack = require("..");
options = webpack.config.getNormalizedWebpackOptions(options);
if (!options.mode) options.mode = "production";
options.entry = entry;
options.context = path.join(__dirname, "fixtures");
if (noOutputPath) options.output.path = "/";
options.output.pathinfo = true;
options.optimization = {
minimize: false
};
const logs = {
mkdir: [],
writeFile: []
};
const c = webpack(options);
const files = {};
c.outputFileSystem = {
mkdir(path, callback) {
logs.mkdir.push(path);
const err = new Error();
err.code = "EEXIST";
callback(err);
},
writeFile(name, content, callback) {
logs.writeFile.push(name, content);
files[name] = content.toString("utf-8");
callback();
},
stat(path, callback) {
callback(new Error("ENOENT"));
}
};
c.hooks.compilation.tap(
"CompilerTest",
compilation => (compilation.bail = true)
);
c.run((err, stats) => {
if (err) throw err;
expect(typeof stats).toBe("object");
const compilation = stats.compilation;
stats = stats.toJson({
modules: true,
reasons: true
});
expect(typeof stats).toBe("object");
expect(stats).toHaveProperty("errors");
expect(Array.isArray(stats.errors)).toBe(true);
if (stats.errors.length > 0) {
expect(stats.errors[0]).toBeInstanceOf(Error);
throw stats.errors[0];
}
stats.logs = logs;
c.close(err => {
if (err) return callback(err);
callback(stats, files, compilation);
});
});
}
let compiler;
afterEach(callback => {
if (compiler) {
compiler.close(callback);
compiler = undefined;
} else {
callback();
}
});
it("should compile a single file to deep output", done => {
compile(
"./c",
{
output: {
path: "/what",
filename: "the/hell.js"
}
},
(stats, files) => {
expect(stats.logs.mkdir).toEqual(["/what", "/what/the"]);
done();
}
);
});
it("should compile a single file", done => {
compile("./c", {}, (stats, files) => {
expect(Object.keys(files)).toEqual(["/main.js"]);
const bundle = files["/main.js"];
expect(bundle).toMatch("function __webpack_require__(");
expect(bundle).toMatch(/__webpack_require__\(\/\*! \.\/a \*\/ \w+\);/);
expect(bundle).toMatch("./c.js");
expect(bundle).toMatch("./a.js");
expect(bundle).toMatch("This is a");
expect(bundle).toMatch("This is c");
expect(bundle).not.toMatch("2: function(");
expect(bundle).not.toMatch("window");
expect(bundle).not.toMatch("jsonp");
expect(bundle).not.toMatch("fixtures");
done();
});
});
it("should compile a complex file", done => {
compile("./main1", {}, (stats, files) => {
expect(Object.keys(files)).toEqual(["/main.js"]);
const bundle = files["/main.js"];
expect(bundle).toMatch("function __webpack_require__(");
expect(bundle).toMatch("__webpack_require__(/*! ./a */");
expect(bundle).toMatch("./main1.js");
expect(bundle).toMatch("./a.js");
expect(bundle).toMatch("./b.js");
expect(bundle).toMatch("./node_modules/m1/a.js");
expect(bundle).toMatch("This is a");
expect(bundle).toMatch("This is b");
expect(bundle).toMatch("This is m1/a");
expect(bundle).not.toMatch("4: function(");
expect(bundle).not.toMatch("window");
expect(bundle).not.toMatch("jsonp");
expect(bundle).not.toMatch("fixtures");
done();
});
});
it("should compile a file with transitive dependencies", done => {
compile("./abc", {}, (stats, files) => {
expect(Object.keys(files)).toEqual(["/main.js"]);
const bundle = files["/main.js"];
expect(bundle).toMatch("function __webpack_require__(");
expect(bundle).toMatch("__webpack_require__(/*! ./a */");
expect(bundle).toMatch("__webpack_require__(/*! ./b */");
expect(bundle).toMatch("__webpack_require__(/*! ./c */");
expect(bundle).toMatch("./abc.js");
expect(bundle).toMatch("./a.js");
expect(bundle).toMatch("./b.js");
expect(bundle).toMatch("./c.js");
expect(bundle).toMatch("This is a");
expect(bundle).toMatch("This is b");
expect(bundle).toMatch("This is c");
expect(bundle).not.toMatch("4: function(");
expect(bundle).not.toMatch("window");
expect(bundle).not.toMatch("jsonp");
expect(bundle).not.toMatch("fixtures");
done();
});
});
it("should compile a file with multiple chunks", done => {
compile("./chunks", {}, (stats, files) => {
expect(stats.chunks).toHaveLength(2);
expect(Object.keys(files)).toEqual(["/main.js", "/394.js"]);
const bundle = files["/main.js"];
const chunk = files["/394.js"];
expect(bundle).toMatch("function __webpack_require__(");
expect(bundle).toMatch("__webpack_require__(/*! ./b */");
expect(chunk).not.toMatch("__webpack_require__(/* ./b */");
expect(bundle).toMatch("./chunks.js");
expect(chunk).toMatch("./a.js");
expect(chunk).toMatch("./b.js");
expect(chunk).toMatch("This is a");
expect(bundle).not.toMatch("This is a");
expect(chunk).toMatch("This is b");
expect(bundle).not.toMatch("This is b");
expect(bundle).not.toMatch("4: function(");
expect(bundle).not.toMatch("fixtures");
expect(chunk).not.toMatch("fixtures");
expect(bundle).toMatch("webpackChunk");
expect(chunk).toMatch('self["webpackChunk"] || []).push');
done();
});
});
// cspell:word asmjs
it("should not evaluate constants in asm.js", done => {
compile("./asmjs", {}, (stats, files) => {
expect(Object.keys(files)).toEqual(["/main.js"]);
const bundle = files["/main.js"];
expect(bundle).toMatch('"use asm";');
expect(bundle).toMatch("101");
expect(bundle).toMatch("102");
expect(bundle).toMatch("103");
expect(bundle).toMatch("104");
expect(bundle).toMatch("105");
expect(bundle).not.toMatch("106");
expect(bundle).not.toMatch("107");
expect(bundle).not.toMatch("108");
expect(bundle).toMatch("109");
expect(bundle).toMatch("110");
done();
});
});
describe("methods", () => {
let compiler;
beforeEach(() => {
const webpack = require("..");
compiler = webpack({
entry: "./c",
context: path.join(__dirname, "fixtures"),
output: {
path: "/directory",
pathinfo: true
}
});
});
afterEach(callback => {
if (compiler) {
compiler.close(callback);
compiler = undefined;
} else {
callback();
}
});
describe("purgeInputFileSystem", () => {
it("invokes purge() if inputFileSystem.purge", done => {
const mockPurge = jest.fn();
compiler.inputFileSystem = {
purge: mockPurge
};
compiler.purgeInputFileSystem();
expect(mockPurge.mock.calls.length).toBe(1);
done();
});
it("does NOT invoke purge() if !inputFileSystem.purge", done => {
const mockPurge = jest.fn();
compiler.inputFileSystem = null;
compiler.purgeInputFileSystem();
expect(mockPurge.mock.calls.length).toBe(0);
done();
});
});
describe("isChild", () => {
it("returns booleanized this.parentCompilation", done => {
compiler.parentCompilation = "stringyStringString";
const response1 = compiler.isChild();
expect(response1).toBe(true);
compiler.parentCompilation = 123456789;
const response2 = compiler.isChild();
expect(response2).toBe(true);
compiler.parentCompilation = {
what: "I belong to an object"
};
const response3 = compiler.isChild();
expect(response3).toBe(true);
compiler.parentCompilation = ["Array", 123, true, null, [], () => {}];
const response4 = compiler.isChild();
expect(response4).toBe(true);
compiler.parentCompilation = false;
const response5 = compiler.isChild();
expect(response5).toBe(false);
compiler.parentCompilation = 0;
const response6 = compiler.isChild();
expect(response6).toBe(false);
compiler.parentCompilation = null;
const response7 = compiler.isChild();
expect(response7).toBe(false);
compiler.parentCompilation = "";
const response8 = compiler.isChild();
expect(response8).toBe(false);
compiler.parentCompilation = NaN;
const response9 = compiler.isChild();
expect(response9).toBe(false);
done();
});
});
});
it("should not emit on errors", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./missing",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
if (err) return done(err);
if (compiler.outputFileSystem.existsSync("/bundle.js"))
return done(new Error("Bundle should not be created on error"));
done();
});
});
it("should bubble up errors when wrapped in a promise and bail is true", async () => {
try {
const createCompiler = options => {
return new Promise((resolve, reject) => {
const webpack = require("..");
const c = webpack(options);
c.run((err, stats) => {
if (err) {
reject(err);
}
if (stats !== undefined && "errors" in stats) {
reject(err);
} else {
resolve(stats);
}
});
return c;
});
};
compiler = await createCompiler({
context: __dirname,
mode: "production",
entry: "./missing-file",
output: {
path: "/directory",
filename: "bundle.js"
},
bail: true
});
} catch (err) {
expect(err.toString()).toMatch(
"ModuleNotFoundError: Module not found: Error: Can't resolve './missing-file'"
);
}
});
it("should not emit compilation errors in async (watch)", async () => {
const createStats = options => {
return new Promise((resolve, reject) => {
const webpack = require("..");
const c = webpack(options);
c.outputFileSystem = createFsFromVolume(new Volume());
const watching = c.watch({}, (err, stats) => {
watching.close(() => {
if (err) return reject(err);
resolve(stats);
});
});
});
};
const stats = await createStats({
context: __dirname,
mode: "production",
entry: "./missing-file",
output: {
path: "/directory",
filename: "bundle.js"
}
});
expect(stats).toBeInstanceOf(Stats);
});
it("should not emit on errors (watch)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./missing",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const watching = compiler.watch({}, (err, stats) => {
watching.close();
if (err) return done(err);
if (compiler.outputFileSystem.existsSync("/bundle.js"))
return done(new Error("Bundle should not be created on error"));
done();
});
});
it("should not be running twice at a time (run)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
if (err) return done(err);
});
compiler.run((err, stats) => {
if (err) return done();
});
});
it("should not be running twice at a time (watch)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.watch({}, (err, stats) => {
if (err) return done(err);
});
compiler.watch({}, (err, stats) => {
if (err) return done();
});
});
it("should not be running twice at a time (run - watch)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
if (err) return done(err);
});
compiler.watch({}, (err, stats) => {
if (err) return done();
});
});
it("should not be running twice at a time (watch - run)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.watch({}, (err, stats) => {
if (err) return done(err);
});
compiler.run((err, stats) => {
if (err) return done();
});
});
it("should not be running twice at a time (instance cb)", done => {
const webpack = require("..");
compiler = webpack(
{
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
},
() => {}
);
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
if (err) return done();
});
});
it("should run again correctly after first compilation", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats1) => {
if (err) return done(err);
compiler.run((err, stats2) => {
if (err) return done(err);
expect(stats1.toString({ all: true })).toBeTypeOf("string");
done();
});
});
});
it("should watch again correctly after first compilation", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
if (err) return done(err);
const watching = compiler.watch({}, (err, stats) => {
if (err) return done(err);
watching.close(done);
});
});
});
it("should run again correctly after first closed watch", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const watching = compiler.watch({}, (err, stats) => {
if (err) return done(err);
});
watching.close(() => {
compiler.run((err, stats) => {
if (err) return done(err);
done();
});
});
});
it("should set compiler.watching correctly", function (done) {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const watching = compiler.watch({}, (err, stats) => {
if (err) return done(err);
watching.close(done);
});
expect(compiler.watching).toBe(watching);
});
it("should watch again correctly after first closed watch", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const watching = compiler.watch({}, (err, stats) => {
if (err) return done(err);
});
watching.close(() => {
compiler.watch({}, (err, stats) => {
if (err) return done(err);
done();
});
});
});
it("should run again correctly inside afterDone hook", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
let once = true;
compiler.hooks.afterDone.tap("RunAgainTest", () => {
if (!once) return;
once = false;
compiler.run((err, stats) => {
if (err) return done(err);
done();
});
});
compiler.run((err, stats) => {
if (err) return done(err);
});
});
it("should call afterDone hook after other callbacks (run)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const runCb = jest.fn();
const doneHookCb = jest.fn();
compiler.hooks.done.tap("afterDoneRunTest", doneHookCb);
compiler.hooks.afterDone.tap("afterDoneRunTest", () => {
expect(runCb).toHaveBeenCalled();
expect(doneHookCb).toHaveBeenCalled();
done();
});
compiler.run((err, stats) => {
if (err) return done(err);
runCb();
});
});
it("should call afterDone hook after other callbacks (instance cb)", done => {
const instanceCb = jest.fn();
const webpack = require("..");
compiler = webpack(
{
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
},
(err, stats) => {
if (err) return done(err);
instanceCb();
}
);
compiler.outputFileSystem = createFsFromVolume(new Volume());
const doneHookCb = jest.fn();
compiler.hooks.done.tap("afterDoneRunTest", doneHookCb);
compiler.hooks.afterDone.tap("afterDoneRunTest", () => {
expect(instanceCb).toHaveBeenCalled();
expect(doneHookCb).toHaveBeenCalled();
done();
});
});
it("should call afterDone hook after other callbacks (watch)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const invalidHookCb = jest.fn();
const doneHookCb = jest.fn();
const watchCb = jest.fn();
const invalidateCb = jest.fn();
compiler.hooks.invalid.tap("afterDoneWatchTest", invalidHookCb);
compiler.hooks.done.tap("afterDoneWatchTest", doneHookCb);
compiler.hooks.afterDone.tap("afterDoneWatchTest", () => {
expect(invalidHookCb).toHaveBeenCalled();
expect(doneHookCb).toHaveBeenCalled();
expect(watchCb).toHaveBeenCalled();
expect(invalidateCb).toHaveBeenCalled();
watching.close(done);
});
const watching = compiler.watch({}, (err, stats) => {
if (err) return done(err);
watchCb();
});
process.nextTick(() => {
watching.invalidate(invalidateCb);
});
});
it("should call afterDone hook after other callbacks (watch close)", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const invalidHookCb = jest.fn();
const watchCloseCb = jest.fn();
const watchCloseHookCb = jest.fn();
const invalidateCb = jest.fn();
compiler.hooks.invalid.tap("afterDoneWatchTest", invalidHookCb);
compiler.hooks.watchClose.tap("afterDoneWatchTest", watchCloseHookCb);
compiler.hooks.afterDone.tap("afterDoneWatchTest", () => {
expect(invalidHookCb).toHaveBeenCalled();
expect(watchCloseCb).toHaveBeenCalled();
expect(watchCloseHookCb).toHaveBeenCalled();
expect(invalidateCb).toHaveBeenCalled();
done();
});
const watch = compiler.watch({}, (err, stats) => {
if (err) return done(err);
watch.close(watchCloseCb);
});
process.nextTick(() => {
watch.invalidate(invalidateCb);
});
});
it("should flag watchMode as true in watch", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "production",
entry: "./c",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
const watch = compiler.watch({}, err => {
if (err) return done(err);
expect(compiler.watchMode).toBeTruthy();
watch.close(() => {
expect(compiler.watchMode).toBeFalsy();
done();
});
});
});
it("should use cache on second run call", done => {
const webpack = require("..");
compiler = webpack({
context: __dirname,
mode: "development",
devtool: false,
entry: "./fixtures/count-loader!./fixtures/count-loader",
output: {
path: "/directory"
}
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run(() => {
compiler.run(() => {
const result = compiler.outputFileSystem.readFileSync(
"/directory/main.js",
"utf-8"
);
expect(result).toContain("module.exports = 0;");
done();
});
});
});
it("should call the failed-hook on error", done => {
const failedSpy = jest.fn();
const webpack = require("..");
compiler = webpack({
bail: true,
context: __dirname,
mode: "production",
entry: "./missing",
output: {
path: "/directory",
filename: "bundle.js"
}
});
compiler.hooks.failed.tap("CompilerTest", failedSpy);
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
expect(err).toBeTruthy();
expect(failedSpy).toHaveBeenCalledTimes(1);
expect(failedSpy).toHaveBeenCalledWith(err);
done();
});
});
it("should deprecate when watch option is used without callback", () => {
const tracker = deprecationTracking.start();
const webpack = require("..");
compiler = webpack({
watch: true
});
const deprecations = tracker();
expect(deprecations).toEqual([
expect.objectContaining({
code: "DEP_WEBPACK_WATCH_WITHOUT_CALLBACK"
})
]);
});
describe("infrastructure logging", () => {
let capture;
beforeEach(() => {
capture = captureStdio(process.stderr);
});
afterEach(() => {
capture.restore();
});
const escapeAnsi = stringRaw =>
stringRaw
.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>");
class MyPlugin {
apply(compiler) {
const logger = compiler.getInfrastructureLogger("MyPlugin");
logger.time("Time");
logger.group("Group");
logger.error("Error");
logger.warn("Warning");
logger.info("Info");
logger.log("Log");
logger.debug("Debug");
logger.groupCollapsed("Collapsed group");
logger.log("Log inside collapsed group");
logger.groupEnd();
logger.groupEnd();
logger.timeEnd("Time");
}
}
it("should log to the console (verbose)", done => {
const webpack = require("..");
compiler = webpack({
context: path.join(__dirname, "fixtures"),
entry: "./a",
output: {
path: "/directory",
filename: "bundle.js"
},
infrastructureLogging: {
level: "verbose"
},
plugins: [new MyPlugin()]
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
expect(capture.toString().replace(/[\d.]+ ms/, "X ms"))
.toMatchInlineSnapshot(`
"<-> [MyPlugin] Group
<e> [MyPlugin] Error
<w> [MyPlugin] Warning
<i> [MyPlugin] Info
[MyPlugin] Log
<-> [MyPlugin] Collapsed group
[MyPlugin] Log inside collapsed group
<t> [MyPlugin] Time: X ms
"
`);
done();
});
});
it("should log to the console (debug mode)", done => {
const webpack = require("..");
compiler = webpack({
context: path.join(__dirname, "fixtures"),
entry: "./a",
output: {
path: "/directory",
filename: "bundle.js"
},
infrastructureLogging: {
level: "error",
debug: /MyPlugin/
},
plugins: [new MyPlugin()]
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
expect(capture.toString().replace(/[\d.]+ ms/, "X ms"))
.toMatchInlineSnapshot(`
"<-> [MyPlugin] Group
<e> [MyPlugin] Error
<w> [MyPlugin] Warning
<i> [MyPlugin] Info
[MyPlugin] Log
[MyPlugin] Debug
<-> [MyPlugin] Collapsed group
[MyPlugin] Log inside collapsed group
<t> [MyPlugin] Time: X ms
"
`);
done();
});
});
it("should log to the console (none)", done => {
const webpack = require("..");
compiler = webpack({
context: path.join(__dirname, "fixtures"),
entry: "./a",
output: {
path: "/directory",
filename: "bundle.js"
},
infrastructureLogging: {
level: "none"
},
plugins: [new MyPlugin()]
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
expect(capture.toString()).toMatchInlineSnapshot(`""`);
done();
});
});
it("should log to the console with colors (verbose)", done => {
const webpack = require("..");
compiler = webpack({
context: path.join(__dirname, "fixtures"),
entry: "./a",
output: {
path: "/directory",
filename: "bundle.js"
},
infrastructureLogging: {
level: "verbose",
colors: true
},
plugins: [new MyPlugin()]
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
expect(escapeAnsi(capture.toStringRaw()).replace(/[\d.]+ ms/, "X ms"))
.toMatchInlineSnapshot(`
"<-> <CLR=36,BOLD>[MyPlugin] Group</CLR>
<e> <CLR=31,BOLD>[MyPlugin] Error</CLR>
<w> <CLR=33,BOLD>[MyPlugin] Warning</CLR>
<i> <CLR=32,BOLD>[MyPlugin] Info</CLR>
<CLR=BOLD>[MyPlugin] Log<CLR=22>
<-> <CLR=36,BOLD>[MyPlugin] Collapsed group</CLR>
<CLR=BOLD>[MyPlugin] Log inside collapsed group<CLR=22>
<t> <CLR=35,BOLD>[MyPlugin] Time: X ms</CLR>
"
`);
done();
});
});
it("should log to the console with colors (debug mode)", done => {
const webpack = require("..");
compiler = webpack({
context: path.join(__dirname, "fixtures"),
entry: "./a",
output: {
path: "/directory",
filename: "bundle.js"
},
infrastructureLogging: {
level: "error",
debug: /MyPlugin/,
colors: true
},
plugins: [new MyPlugin()]
});
compiler.outputFileSystem = createFsFromVolume(new Volume());
compiler.run((err, stats) => {
expect(escapeAnsi(capture.toStringRaw()).replace(/[\d.]+ ms/, "X ms"))
.toMatchInlineSnapshot(`
"<-> <CLR=36,BOLD>[MyPlugin] Group</CLR>
<e> <CLR=31,BOLD>[MyPlugin] Error</CLR>
<w> <CLR=33,BOLD>[MyPlugin] Warning</CLR>
<i> <CLR=32,BOLD>[MyPlugin] Info</CLR>
<CLR=BOLD>[MyPlugin] Log<CLR=22>
[MyPlugin] Debug
<-> <CLR=36,BOLD>[MyPlugin] Collapsed group</CLR>
<CLR=BOLD>[MyPlugin] Log inside collapsed group<CLR=22>
<t> <CLR=35,BOLD>[MyPlugin] Time: X ms</CLR>
"
`);
done();
});
});
});
});