mirror of https://github.com/webpack/webpack.git
78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
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"use strict";
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const Module = require("../lib/Module");
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const Chunk = require("../lib/Chunk");
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const Dependency = require("../lib/Dependency");
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const ModuleReason = require("../lib/ModuleReason");
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const should = require("should");
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describe("ModuleReason", () => {
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let myModule;
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let myDependency;
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let myModuleReason;
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let myChunk;
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let myChunk2;
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beforeEach(() => {
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myModule = new Module();
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myDependency = new Dependency();
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myChunk = new Chunk("chunk-test", "module-test", "loc-test");
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myChunk2 = new Chunk("chunk-test", "module-test", "loc-test");
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myModuleReason = new ModuleReason(myModule, myDependency);
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});
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describe("hasChunk", () => {
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it("returns false when chunk is not present", () => should(myModuleReason.hasChunk(myChunk)).be.false());
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it("returns true when chunk is present", () => {
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myModuleReason.module.addChunk(myChunk);
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should(myModuleReason.hasChunk(myChunk)).be.true();
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});
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});
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describe("rewriteChunks", () => {
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it("if old chunk is present, it is replaced with new chunks", () => {
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myModuleReason.module.addChunk(myChunk);
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myModuleReason.rewriteChunks(myChunk, [myChunk2]);
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should(myModuleReason.hasChunk(myChunk)).be.false();
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should(myModuleReason.hasChunk(myChunk2)).be.true();
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});
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it("if old chunk is not present, new chunks are not added", () => {
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myModuleReason.rewriteChunks(myChunk, [myChunk2]);
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should(myModuleReason.hasChunk(myChunk)).be.false();
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should(myModuleReason.hasChunk(myChunk2)).be.false();
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});
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it("if already rewritten chunk is present, it is replaced with new chunks", () => {
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myModuleReason.module.addChunk(myChunk);
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myModuleReason.rewriteChunks(myChunk, [myChunk2]);
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myModuleReason.rewriteChunks(myChunk2, [myChunk]);
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should(myModuleReason.hasChunk(myChunk)).be.true();
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should(myModuleReason.hasChunk(myChunk2)).be.false();
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});
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});
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describe(".chunks", () => {
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it("is null if no rewrites happen first", () => {
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should(myModuleReason.chunks).be.Null();
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});
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it("is null if only invalid rewrites happen first", () => {
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myModuleReason.rewriteChunks(myChunk, [myChunk2]);
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should(myModuleReason.chunks).be.Null();
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});
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it("is an array of chunks if a valid rewrite happens", () => {
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myModuleReason.module.addChunk(myChunk);
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myModuleReason.rewriteChunks(myChunk, [myChunk2]);
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should(myModuleReason.chunks).be.eql([myChunk2]);
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});
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});
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});
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