mirror of https://github.com/webpack/webpack.git
408 lines
12 KiB
JavaScript
408 lines
12 KiB
JavaScript
/* globals describe, it, beforeEach, afterEach */
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"use strict";
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require("should");
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const sinon = require("sinon");
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const NormalModule = require("../lib/NormalModule");
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const path = require("path");
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const SourceMapSource = require("webpack-sources").SourceMapSource;
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const OriginalSource = require("webpack-sources").OriginalSource;
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const RawSource = require("webpack-sources").RawSource;
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describe("NormalModule", function() {
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let normalModule;
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let request;
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let userRequest;
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let rawRequest;
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let loaders;
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let resource;
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let parser;
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beforeEach(function() {
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request = "some/request";
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userRequest = "some/userRequest";
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rawRequest = "some/rawRequest";
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loaders = [];
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resource = "some/resource";
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parser = {
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parse() {}
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};
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normalModule = new NormalModule(
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request,
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userRequest,
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rawRequest,
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loaders,
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resource,
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parser
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);
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});
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describe("#identifier", function() {
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it("returns an identifier for this module", function() {
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normalModule.identifier().should.eql(request);
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});
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});
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describe("#readableIdentifier", function() {
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it("calls the given requestShortener with the user request", function() {
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const spy = sinon.spy();
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normalModule.readableIdentifier({
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shorten: spy
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});
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spy.callCount.should.eql(1);
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spy.args[0][0].should.eql(userRequest);
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});
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});
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describe("#libIdent", function() {
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it("contextifies the userRequest of the module", function() {
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normalModule.libIdent({
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context: "some/context"
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}).should.eql("../userRequest");
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});
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describe("given a userRequest containing loaders", function() {
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beforeEach(function() {
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userRequest = "some/userRequest!some/other/userRequest!some/thing/is/off/here";
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normalModule = new NormalModule(
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request,
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userRequest,
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rawRequest,
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loaders,
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resource,
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parser
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);
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});
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it("contextifies every path in the userRequest", function() {
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normalModule.libIdent({
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context: "some/context"
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}).should.eql("../userRequest!../other/userRequest!../thing/is/off/here");
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});
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});
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});
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describe("#nameForCondition", function() {
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it("return the resource", function() {
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normalModule.nameForCondition().should.eql(resource);
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});
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describe("given a resource containing a ?-sign", function() {
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const baseResource = "some/resource";
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beforeEach(function() {
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resource = baseResource + "?some=query";
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normalModule = new NormalModule(
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request,
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userRequest,
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rawRequest,
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loaders,
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resource,
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parser
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);
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});
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it("return only the part before the ?-sign", function() {
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normalModule.nameForCondition().should.eql(baseResource);
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});
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});
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});
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describe("#createSourceForAsset", function() {
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let name;
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let content;
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let sourceMap;
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beforeEach(function() {
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name = "some name";
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content = "some content";
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sourceMap = "some sourcemap";
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});
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describe("given no sourcemap", function() {
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it("returns a RawSource", function() {
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normalModule.createSourceForAsset(name, content).should.be.instanceOf(RawSource);
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});
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});
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describe("given a string as the sourcemap", function() {
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it("returns a OriginalSource", function() {
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normalModule.createSourceForAsset(name, content, sourceMap).should.be.instanceOf(OriginalSource);
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});
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});
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describe("given a some other kind of sourcemap", function() {
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beforeEach(function() {
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sourceMap = () => {};
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});
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it("returns a SourceMapSource", function() {
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normalModule.createSourceForAsset(name, content, sourceMap).should.be.instanceOf(SourceMapSource);
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});
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});
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});
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describe("#source", function() {
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describe("without the module having any source", function() {
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beforeEach(function() {
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normalModule._source = null;
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});
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it("returns a Source containing an Error", function() {
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normalModule.source().should.be.instanceOf(RawSource);
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normalModule.source().source().should.eql("throw new Error('No source available');");
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});
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});
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});
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describe("#updateHashWithSource", function() {
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let hashSpy;
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let hash;
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beforeEach(function() {
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hashSpy = sinon.spy();
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hash = {
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update: hashSpy
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};
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});
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describe("without the module having any source", function() {
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beforeEach(function() {
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normalModule._source = null;
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});
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it("calls hash function with \"null\"", function() {
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normalModule.updateHashWithSource(hash);
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hashSpy.callCount.should.eql(1);
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hashSpy.args[0][0].should.eql("null");
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});
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});
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describe("without the module having source", function() {
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let expectedSource = "some source";
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beforeEach(function() {
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normalModule._source = new RawSource(expectedSource);
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});
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it("calls hash function with \"source\" and then the actual source of the module", function() {
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normalModule.updateHashWithSource(hash);
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hashSpy.callCount.should.eql(2);
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hashSpy.args[0][0].should.eql("source");
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hashSpy.args[1][0].should.eql(expectedSource);
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});
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});
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});
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describe("#needRebuild", function() {
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let fileTimestamps;
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let contextTimestamps;
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let fileDependencies;
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let contextDependencies;
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let fileA;
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let fileB;
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function setDeps(
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fileDependencies,
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contextDependencies) {
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normalModule.fileDependencies = fileDependencies;
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normalModule.contextDependencies = contextDependencies;
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}
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beforeEach(function() {
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fileA = "fileA";
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fileB = "fileB";
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fileDependencies = [fileA, fileB];
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contextDependencies = [fileA, fileB];
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fileTimestamps = {
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[fileA]: 1,
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[fileB]: 1,
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};
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contextTimestamps = {
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[fileA]: 1,
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[fileB]: 1,
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};
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normalModule.buildTimestamp = 2;
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setDeps(fileDependencies, contextDependencies);
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});
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describe("given all timestamps are older than the buildTimestamp", function() {
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it("returns false", function() {
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normalModule.needRebuild(fileTimestamps, contextTimestamps).should.eql(false);
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});
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});
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describe("given a file timestamp is newer than the buildTimestamp", function() {
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beforeEach(function() {
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fileTimestamps[fileA] = 3;
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});
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it("returns true", function() {
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normalModule.needRebuild(fileTimestamps, contextTimestamps).should.eql(true);
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});
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});
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describe("given a no file timestamp exists", function() {
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beforeEach(function() {
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fileTimestamps = {};
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});
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it("returns true", function() {
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normalModule.needRebuild(fileTimestamps, contextTimestamps).should.eql(true);
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});
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});
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describe("given a context timestamp is newer than the buildTimestamp", function() {
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beforeEach(function() {
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contextTimestamps[fileA] = 3;
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});
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it("returns true", function() {
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normalModule.needRebuild(fileTimestamps, contextTimestamps).should.eql(true);
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});
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});
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describe("given a no context timestamp exists", function() {
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beforeEach(function() {
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contextTimestamps = {};
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});
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it("returns true", function() {
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normalModule.needRebuild(fileTimestamps, contextTimestamps).should.eql(true);
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});
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});
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});
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describe("#splitVariablesInUniqueNamedChunks", function() {
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let variables;
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beforeEach(function() {
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variables = [{
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name: "foo"
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}, {
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name: "bar"
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}, {
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name: "baz"
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}, {
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name: "some"
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}, {
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name: "more"
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}];
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});
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describe("given an empty array of vars", function() {
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it("returns an empty array", function() {
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normalModule.splitVariablesInUniqueNamedChunks([]).should.eql([
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[]
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]);
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});
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});
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describe("given an array of distrinct variables", function() {
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it("returns an array containing an array containing the variables", function() {
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normalModule.splitVariablesInUniqueNamedChunks(variables).should.eql([variables]);
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});
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});
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describe("given an array with duplicate variables", function() {
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it("returns several arrays each containing only distinct variable names", function() {
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normalModule.splitVariablesInUniqueNamedChunks(variables.concat(variables)).should.eql([variables, variables]);
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});
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describe("and a duplicate as the last variable", function() {
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it("returns correctly split distinct arrays", function() {
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normalModule.splitVariablesInUniqueNamedChunks(variables.concat(variables).concat(variables[0])).should.eql([variables, variables, [variables[0]]]);
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});
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});
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});
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});
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describe("#applyNoParseRule", function() {
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let rule;
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let content;
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describe("given a string as rule", function() {
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beforeEach(function() {
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rule = "some-rule";
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});
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describe("and the content starting with the string specified in rule", function() {
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beforeEach(function() {
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content = rule + "some-content";
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});
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it("returns true", function() {
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normalModule.shouldPreventParsing(rule, content).should.eql(true);
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});
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});
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describe("and the content does not start with the string specified in rule", function() {
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beforeEach(function() {
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content = "some-content";
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});
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it("returns false", function() {
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normalModule.shouldPreventParsing(rule, content).should.eql(false);
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});
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});
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});
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describe("given a regex as rule", function() {
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beforeEach(function() {
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rule = /some-rule/;
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});
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describe("and the content matches the rule", function() {
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beforeEach(function() {
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content = rule + "some-content";
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});
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it("returns true", function() {
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normalModule.shouldPreventParsing(rule, content).should.eql(true);
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});
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});
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describe("and the content does not match the rule", function() {
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beforeEach(function() {
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content = "some-content";
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});
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it("returns false", function() {
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normalModule.shouldPreventParsing(rule, content).should.eql(false);
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});
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});
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});
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});
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describe("#shouldPreventParsing", function() {
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let applyNoParseRuleSpy;
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beforeEach(function() {
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applyNoParseRuleSpy = sinon.stub();
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normalModule.applyNoParseRule = applyNoParseRuleSpy;
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});
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describe("given no noParseRule", function() {
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it("returns false", function() {
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normalModule.shouldPreventParsing().should.eql(false);
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applyNoParseRuleSpy.callCount.should.eql(0);
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});
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});
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describe("given a noParseRule", function() {
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let returnValOfSpy;
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beforeEach(function() {
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returnValOfSpy = true;
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applyNoParseRuleSpy.returns(returnValOfSpy);
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});
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describe("that is a string", function() {
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it("calls and returns whatever applyNoParseRule returns", function() {
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normalModule.shouldPreventParsing("some rule").should.eql(returnValOfSpy);
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applyNoParseRuleSpy.callCount.should.eql(1);
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});
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});
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describe("that is a regex", function() {
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it("calls and returns whatever applyNoParseRule returns", function() {
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normalModule.shouldPreventParsing("some rule").should.eql(returnValOfSpy);
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applyNoParseRuleSpy.callCount.should.eql(1);
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});
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});
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describe("that is an array", function() {
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describe("of strings and or regexs", function() {
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let someRules;
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beforeEach(function() {
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someRules = [
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"some rule",
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/some rule1/,
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"some rule2",
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];
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});
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describe("and none of them match", function() {
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beforeEach(function() {
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returnValOfSpy = false;
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applyNoParseRuleSpy.returns(returnValOfSpy);
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});
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it("returns false", function() {
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normalModule.shouldPreventParsing(someRules).should.eql(returnValOfSpy);
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applyNoParseRuleSpy.callCount.should.eql(3);
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});
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});
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describe("and the first of them matches", function() {
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beforeEach(function() {
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returnValOfSpy = true;
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applyNoParseRuleSpy.returns(returnValOfSpy);
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});
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it("returns true", function() {
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normalModule.shouldPreventParsing(someRules).should.eql(returnValOfSpy);
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applyNoParseRuleSpy.callCount.should.eql(1);
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});
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});
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describe("and the last of them matches", function() {
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beforeEach(function() {
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returnValOfSpy = true;
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applyNoParseRuleSpy.onCall(0).returns(false);
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applyNoParseRuleSpy.onCall(1).returns(false);
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applyNoParseRuleSpy.onCall(2).returns(true);
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});
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it("returns true", function() {
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normalModule.shouldPreventParsing(someRules).should.eql(returnValOfSpy);
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applyNoParseRuleSpy.callCount.should.eql(3);
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});
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});
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});
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});
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});
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});
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});
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