webpack/test/WebWorkerHotUpdateChunkTemp...

86 lines
2.6 KiB
JavaScript

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