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sokrasokra
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add test case
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‎test/Watch.test.js‎

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"use strict";
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require("./helpers/warmup-webpack");
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const path = require("path");
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const webpack = require("..");
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const { createFsFromVolume, Volume } = require("memfs");
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describe("Watch", () => {
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jest.setTimeout(10000);
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it("should only compile a single time", done => {
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let counterBeforeCompile = 0;
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let counterDone = 0;
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let counterHandler = 0;
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const compiler = webpack(
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{
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context: path.resolve(__dirname, "fixtures/watch"),
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watch: true,
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mode: "development",
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snapshot: {
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managedPaths: [/^(.+?[\\/]node_modules[\\/])/]
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},
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experiments: {
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futureDefaults: true
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},
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module: {
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// unsafeCache: false,
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rules: [
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{
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test: /\.js$/,
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use: "some-loader"
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}
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]
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},
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plugins: [
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c => {
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c.hooks.beforeCompile.tap("test", () => {
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counterBeforeCompile++;
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});
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c.hooks.done.tap("test", () => {
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counterDone++;
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});
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}
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]
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},
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(err, stats) => {
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if (err) return done(err);
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if (stats.hasErrors()) return done(new Error(stats.toString()));
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counterHandler++;
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}
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);
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compiler.outputFileSystem = createFsFromVolume(new Volume());
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setTimeout(() => {
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expect(counterBeforeCompile).toBe(1);
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expect(counterDone).toBe(1);
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expect(counterHandler).toBe(1);
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compiler.close(done);
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}, 5000);
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});
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});

‎test/fixtures/watch/node_modules/inline-loader/index.js‎

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‎test/fixtures/watch/node_modules/inline-loader/package.json‎

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‎test/fixtures/watch/node_modules/nested-package1/index.js‎

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‎test/fixtures/watch/node_modules/nested-package1/package.json‎

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‎test/fixtures/watch/node_modules/package/index.js‎

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‎test/fixtures/watch/node_modules/package/node_modules/nested-package2/index.js‎

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‎test/fixtures/watch/node_modules/package/node_modules/nested-package2/package.json‎

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‎test/fixtures/watch/node_modules/package/package.json‎

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‎test/fixtures/watch/node_modules/some-loader/index.js‎

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