webpack/test/WatcherEvents.test.js

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"use strict";
/*globals describe it before after */
const path = require("path");
const should = require("should");
const MemoryFs = require("memory-fs");
const webpack = require("../");
const createCompiler = config => {
const compiler = webpack(config);
compiler.outputFileSystem = new MemoryFs();
return compiler;
};
const createSingleCompiler = () => {
return createCompiler({
context: path.join(__dirname, "fixtures"),
entry: "./a.js"
});
};
const createMultiCompiler = () => {
return createCompiler([{
context: path.join(__dirname, "fixtures"),
entry: "./a.js"
}]);
};
describe("WatchEvents", () => {
it("should emit 'watch-close' when using single-compiler mode and the compiler is not running", function(done) {
let called = false;
const compiler = createSingleCompiler();
const watcher = compiler.watch({}, (err, stats) => {
called.should.be.exactly(true);
done(err);
});
compiler.plugin('watch-close', () => {
called = true
});
compiler.plugin('done', () => {
watcher.close();
});
});
it("should emit 'watch-close' when using multi-compiler mode and the compiler is not running", function(done) {
let called = false;
const compiler = createMultiCompiler();
const watcher = compiler.watch({}, (err, stats) => {
called.should.be.exactly(true);
done(err);
});
compiler.plugin('watch-close', () => {
called = true
});
compiler.plugin('done', () => {
watcher.close();
});
});
});