mirror of https://github.com/webpack/webpack.git
78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
"use strict";
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const should = require("should");
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const sinon = require("sinon");
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const ConcatSource = require("webpack-sources").ConcatSource;
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const WebWorkerHotUpdateChunkTemplatePlugin = require("../lib/webworker/WebWorkerHotUpdateChunkTemplatePlugin");
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const applyPluginWithOptions = require("./helpers/applyPluginWithOptions");
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describe("WebWorkerHotUpdateChunkTemplatePlugin", () => {
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let handlerContext;
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beforeEach(() => {
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handlerContext = {
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outputOptions: {
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hotUpdateFunction: "Foo",
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library: "Bar"
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}
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};
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});
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it("has apply function", () => (new WebWorkerHotUpdateChunkTemplatePlugin()).apply.should.be.a.Function());
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describe("when applied", () => {
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let eventBindings, eventBinding;
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beforeEach(() => eventBindings = applyPluginWithOptions(WebWorkerHotUpdateChunkTemplatePlugin));
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it("binds two event handlers", () => eventBindings.length.should.be.exactly(2));
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describe("render handler", () => {
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beforeEach(() => eventBinding = eventBindings[0]);
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it("binds to render event", () => eventBinding.name.should.be.exactly("render"));
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describe("with hot update function name set", () => {
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it("creates source wrapper with function name", () => {
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const source = eventBinding.handler.call(handlerContext, "moduleSource()", [], [], {}, 100);
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source.should.be.instanceof(ConcatSource);
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source.source().should.be.exactly("Foo(100,moduleSource())");
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});
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});
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describe("without hot update function name set", () => {
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it("creates source wrapper with library name", () => {
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delete handlerContext.outputOptions.hotUpdateFunction;
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const source = eventBinding.handler.call(handlerContext, "moduleSource()", [], [], {}, 100);
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source.should.be.instanceof(ConcatSource);
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source.source().should.be.exactly("webpackHotUpdateBar(100,moduleSource())");
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});
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});
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});
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describe("hash handler", () => {
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let hashMock;
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beforeEach(() => {
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eventBinding = eventBindings[1];
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hashMock = {
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update: sinon.spy()
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};
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});
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it("binds to hash event", () => {
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eventBinding.name.should.be.exactly("hash");
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});
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it("updates hash object", () => {
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eventBinding.handler.call(handlerContext, hashMock);
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hashMock.update.callCount.should.be.exactly(4);
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sinon.assert.calledWith(hashMock.update, "WebWorkerHotUpdateChunkTemplatePlugin");
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sinon.assert.calledWith(hashMock.update, "3");
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sinon.assert.calledWith(hashMock.update, "Foo");
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sinon.assert.calledWith(hashMock.update, "Bar");
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});
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});
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});
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});
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