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/* globals describe, it */
"use strict";
const should = require("should");
const path = require("path");
const sinon = require("sinon");
const webpack = require("../");
const WebpackOptionsDefaulter = require("../lib/WebpackOptionsDefaulter");
const Compiler = require("../lib/Compiler");
describe("Compiler", () => {
function compile(entry, options, callback) {
const noOutputPath = !options.output || !options.output.path;
new WebpackOptionsDefaulter().process(options);
options.entry = entry;
options.context = path.join(__dirname, "fixtures");
if(noOutputPath) options.output.path = "/";
options.output.pathinfo = true;
const logs = {
mkdirp: [],
writeFile: [],
};
const c = webpack(options);
const files = {};
c.outputFileSystem = {
join: function() {
return [].join.call(arguments, "/").replace(/\/+/g, "/");
},
mkdirp: function(path, callback) {
logs.mkdirp.push(path);
callback();
},
writeFile: function(name, content, callback) {
logs.writeFile.push(name, content);
files[name] = content.toString("utf-8");
callback();
}
};
c.plugin("compilation", (compilation) => compilation.bail = true);
c.run((err, stats) => {
if(err) throw err;
should.strictEqual(typeof stats, "object");
const compilation = stats.compilation;
stats = stats.toJson({
modules: true,
reasons: true
});
should.strictEqual(typeof stats, "object");
stats.should.have.property("errors");
Array.isArray(stats.errors).should.be.ok();
if(stats.errors.length > 0) {
stats.errors[0].should.be.instanceOf(Error);
throw stats.errors[0];
}
stats.logs = logs;
callback(stats, files, compilation);
});
}
it("should compile a single file to deep output", (done) => {
compile("./c", {
output: {
path: "/what",
filename: "the/hell.js",
}
}, (stats, files) => {
stats.logs.mkdirp.should.eql([
"/what",
"/what/the",
]);
done();
});
});
it("should compile a single file", (done) => {
compile("./c", {}, (stats, files) => {
files.should.have.property("/main.js").have.type("string");
Object.keys(files).should.be.eql(["/main.js"]);
const bundle = files["/main.js"];
bundle.should.containEql("function __webpack_require__(");
bundle.should.containEql("__webpack_require__(/*! ./a */ 1);");
bundle.should.containEql("./c.js");
bundle.should.containEql("./a.js");
bundle.should.containEql("This is a");
bundle.should.containEql("This is c");
bundle.should.not.containEql("2: function(");
bundle.should.not.containEql("window");
bundle.should.not.containEql("jsonp");
bundle.should.not.containEql("fixtures");
done();
});
});
it("should compile a complex file", (done) => {
compile("./main1", {}, (stats, files) => {
files.should.have.property("/main.js").have.type("string");
Object.keys(files).should.be.eql(["/main.js"]);
const bundle = files["/main.js"];
bundle.should.containEql("function __webpack_require__(");
bundle.should.containEql("__webpack_require__(/*! ./a */");
bundle.should.containEql("./main1.js");
bundle.should.containEql("./a.js");
bundle.should.containEql("./b.js");
bundle.should.containEql("./node_modules/m1/a.js");
bundle.should.containEql("This is a");
bundle.should.containEql("This is b");
bundle.should.containEql("This is m1/a");
bundle.should.not.containEql("4: function(");
bundle.should.not.containEql("window");
bundle.should.not.containEql("jsonp");
bundle.should.not.containEql("fixtures");
done();
});
});
it("should compile a file with transitive dependencies", (done) => {
compile("./abc", {}, (stats, files) => {
files.should.have.property("/main.js").have.type("string");
Object.keys(files).should.be.eql(["/main.js"]);
const bundle = files["/main.js"];
bundle.should.containEql("function __webpack_require__(");
bundle.should.containEql("__webpack_require__(/*! ./a */");
bundle.should.containEql("__webpack_require__(/*! ./b */");
bundle.should.containEql("__webpack_require__(/*! ./c */");
bundle.should.containEql("./abc.js");
bundle.should.containEql("./a.js");
bundle.should.containEql("./b.js");
bundle.should.containEql("./c.js");
bundle.should.containEql("This is a");
bundle.should.containEql("This is b");
bundle.should.containEql("This is c");
bundle.should.not.containEql("4: function(");
bundle.should.not.containEql("window");
bundle.should.not.containEql("jsonp");
bundle.should.not.containEql("fixtures");
done();
});
});
it("should compile a file with multiple chunks", (done) => {
compile("./chunks", {}, (stats, files) => {
stats.chunks.length.should.be.eql(2);
files.should.have.property("/main.js").have.type("string");
files.should.have.property("/0.js").have.type("string");
Object.keys(files).should.be.eql(["/0.js", "/main.js"]);
const bundle = files["/main.js"];
const chunk = files["/0.js"];
bundle.should.containEql("function __webpack_require__(");
bundle.should.containEql("__webpack_require__(/*! ./b */");
chunk.should.not.containEql("__webpack_require__(/* ./b */");
bundle.should.containEql("./chunks.js");
chunk.should.containEql("./a.js");
chunk.should.containEql("./b.js");
chunk.should.containEql("This is a");
bundle.should.not.containEql("This is a");
chunk.should.containEql("This is b");
bundle.should.not.containEql("This is b");
bundle.should.not.containEql("4: function(");
bundle.should.not.containEql("fixtures");
chunk.should.not.containEql("fixtures");
bundle.should.containEql("webpackJsonp");
chunk.should.containEql("webpackJsonp(");
done();
});
});
describe("constructor", () => {
let compiler;
beforeEach(() => {
compiler = webpack({
entry: "./c",
context: path.join(__dirname, "fixtures"),
output: {
path: "/",
pathinfo: true,
}
});
});
describe("parser", () => {
describe("apply", () => {
it("invokes sets a 'compilation' plugin", (done) => {
compiler.plugin = sinon.spy();
compiler.parser.apply();
compiler.plugin.callCount.should.be.exactly(1);
done();
});
});
});
});
describe("methods", () => {
let compiler;
beforeEach(() => {
compiler = webpack({
entry: "./c",
context: path.join(__dirname, "fixtures"),
output: {
path: "/",
pathinfo: true,
}
});
});
describe("purgeInputFileSystem", () => {
it("invokes purge() if inputFileSystem.purge", (done) => {
const mockPurge = sinon.spy();
compiler.inputFileSystem = {
purge: mockPurge,
};
compiler.purgeInputFileSystem();
mockPurge.callCount.should.be.exactly(1);
done();
});
it("does NOT invoke purge() if !inputFileSystem.purge", (done) => {
const mockPurge = sinon.spy();
compiler.inputFileSystem = null;
compiler.purgeInputFileSystem();
mockPurge.callCount.should.be.exactly(0);
done();
});
});
describe("isChild", () => {
it("returns booleanized this.parentCompilation", (done) => {
compiler.parentCompilation = "stringyStringString";
const response1 = compiler.isChild();
response1.should.be.exactly(true);
compiler.parentCompilation = 123456789;
const response2 = compiler.isChild();
response2.should.be.exactly(true);
compiler.parentCompilation = {
what: "I belong to an object"
};
const response3 = compiler.isChild();
response3.should.be.exactly(true);
compiler.parentCompilation = ["Array", 123, true, null, [], () => {}];
const response4 = compiler.isChild();
response4.should.be.exactly(true);
compiler.parentCompilation = false;
const response5 = compiler.isChild();
response5.should.be.exactly(false);
compiler.parentCompilation = 0;
const response6 = compiler.isChild();
response6.should.be.exactly(false);
compiler.parentCompilation = null;
const response7 = compiler.isChild();
response7.should.be.exactly(false);
compiler.parentCompilation = "";
const response8 = compiler.isChild();
response8.should.be.exactly(false);
compiler.parentCompilation = NaN;
const response9 = compiler.isChild();
response9.should.be.exactly(false);
done();
});
});
describe("createChildCompiler", () => {
it("defaults cache.children if none exists yet", (done) => {
const mockPlugin = sinon.spy();
class fakePlugin {
apply() {
mockPlugin();
}
}
compiler.cache = {};
compiler.createChildCompiler({}, "compiler9000", 0, {}, [new fakePlugin()]);
mockPlugin.callCount.should.be.exactly(1);
compiler.cache.children.should.match({});
done();
});
it("defaults cache.children[compilerName] if none exists yet", (done) => {
compiler.cache = {
children: {},
};
compiler.createChildCompiler({}, "compiler9000", 0, {}, null);
compiler.cache.children.should.match({
compiler9000: [],
});
done();
});
});
});
describe("Watching", () => {
let compiler;
beforeEach(() => {
compiler = webpack({
entry: "./c",
context: path.join(__dirname, "fixtures"),
output: {
path: "/",
pathinfo: true,
}
});
});
describe("static method", () => {
it("should have an method, Watching", (done) => {
const actual = new Compiler.Watching(compiler, 1000, err => err);
actual.running.should.be.exactly(true);
actual.constructor.name.should.be.exactly("Watching");
done();
});
});
describe("constructor", () => {
it("constructs Watching.watchOptions correctly when passed a number, string, or object for watchOptions", (done) => {
const Watching1 = compiler.watch(1000, err => err);
const Watching2 = compiler.watch({
aggregateTimeout: 1000
}, err => err);
const Watching3 = compiler.watch("I am a string", err => err);
Watching1.watchOptions.aggregateTimeout.should.equal(Watching2.watchOptions.aggregateTimeout);
Watching3.watchOptions.aggregateTimeout.should.equal(200);
done();
});
it("invokes compiler.readRecords", (done) => {
compiler.readRecords = sinon.spy();
compiler.watch(1000, err => err);
compiler.readRecords.callCount.should.be.exactly(1);
done();
});
});
describe("_done", () => {
it("invokes this.handler and turns this.running boolean to false when passed an error", (done) => {
const mockHandler = sinon.spy();
const Watching1 = compiler.watch(1000, mockHandler);
Watching1.running.should.be.exactly(true);
Watching1._done(Watching1.handler, false);
mockHandler.callCount.should.be.exactly(1);
Watching1.running.should.be.exactly(false);
done();
});
});
describe("invalidate", () => {
it("pauses this.watcher and sets this.watcher to null if this.watcher is true", (done) => {
const mockPause = sinon.spy();
const Watching1 = compiler.watch(1000, err => err);
Watching1.watcher = {
pause: mockPause
};
Watching1.invalidate();
mockPause.callCount.should.be.exactly(1);
should(Watching1.watcher).be.exactly(null);
done();
});
it("sets this.invalid to true if this.running is true, else this.invalid = false", (done) => {
const Watching1 = compiler.watch(1000, err => err);
Watching1.invalid = false;
const response = Watching1.invalidate();
Watching1.invalid.should.be.exactly(true);
response.should.be.exactly(false);
done();
});
it("invokes this._go() if !this.running", (done) => {
const Watching1 = compiler.watch(1000, err => err);
Watching1.running = false;
Watching1._go = sinon.spy();
Watching1.invalidate();
Watching1._go.callCount.should.be.exactly(1);
done();
});
});
});
});
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