webpack/test/RawModule.unittest.js

79 lines
2.5 KiB
JavaScript

"use strict";
const RawModule = require("../lib/RawModule");
const OriginalSource = require("webpack-sources").OriginalSource;
const RawSource = require("webpack-sources").RawSource;
const RequestShortener = require("../lib/RequestShortener");
const path = require("path");
const crypto = require("crypto");
describe("RawModule", () => {
const source = "sourceStr attribute";
const identifier = "identifierStr attribute";
const readableIdentifier = "readableIdentifierStr attribute";
const myRawModule = new RawModule(source, identifier, readableIdentifier);
describe("identifier", () => {
it("returns value for identifierStr attribute", () => {
expect(myRawModule.identifier()).toBe("identifierStr attribute");
});
});
describe("size", () => {
it("returns value for sourceStr attribute\"s length property", () => {
const sourceStrLength = myRawModule.sourceStr.length;
expect(myRawModule.size()).toBe(sourceStrLength);
});
});
describe("readableIdentifier", () => {
it("returns result of calling provided requestShortener\"s shorten method " +
"on readableIdentifierStr attribute",
() => {
const requestShortener = new RequestShortener(path.resolve());
expect(myRawModule.readableIdentifier(requestShortener)).toBeDefined();
}
);
});
describe("needRebuild", () => {
it("returns false", () => {
expect(myRawModule.needRebuild()).toBe(false);
});
});
describe("source", () => {
it("returns a new OriginalSource instance with sourceStr attribute and " +
"return value of identifier() function provided as constructor arguments",
() => {
const originalSource = new OriginalSource(myRawModule.sourceStr, myRawModule.identifier());
myRawModule.useSourceMap = true;
expect(myRawModule.source()).toEqual(originalSource);
}
);
it("returns a new RawSource instance with sourceStr attribute provided " +
"as constructor argument if useSourceMap is falsey",
() => {
const rawSource = new RawSource(myRawModule.sourceStr);
myRawModule.useSourceMap = false;
expect(myRawModule.source()).toEqual(rawSource);
}
);
});
describe("updateHash", () => {
it("should include sourceStr in its hash", () => {
const hashModule = (module) => {
const hash = crypto.createHash("sha256");
module.updateHash(hash);
return hash.digest("hex");
};
const hashFoo = hashModule(new RawModule("\"foo\""));
const hashBar = hashModule(new RawModule("\"bar\""));
expect(hashFoo).not.toBe(hashBar);
});
});
});