mirror of https://github.com/webpack/webpack.git
83 lines
2.3 KiB
JavaScript
83 lines
2.3 KiB
JavaScript
"use strict";
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const {
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_getDirectories,
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_hasFile,
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_isEqualPath
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} = require("../lib/CleanPlugin");
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describe("CleanPlugin", () => {
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describe("_getDirectories", () => {
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it("should return empty set when assets map is empty", () => {
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const assets = new Map();
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const result = _getDirectories(assets);
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expect(result).toBeInstanceOf(Set);
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expect(result.size).toBe(0);
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});
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it("should extract root directory from single file path", () => {
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const assets = new Map([["./static.js", 0]]);
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const result = _getDirectories(assets);
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expect([...result]).toEqual(["."]);
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});
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it("should extract all parent directories from deep nested path", () => {
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const assets = new Map([["this/dir/should/not/be/removed/file.ext", 0]]);
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const result = _getDirectories(assets);
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expect([...result]).toEqual([
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"this/dir/should/not/be/removed",
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"this/dir/should/not/be",
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"this/dir/should/not",
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"this/dir/should",
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"this/dir",
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"this",
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"."
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]);
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});
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it("should extract root and first level directories", () => {
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const assets = new Map([
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["./main.js", 0],
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["./js/main.js", 0]
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]);
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const result = _getDirectories(assets);
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expect([...result]).toEqual([".", "./js"]);
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});
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it("should extract all nested directory levels", () => {
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const assets = new Map([
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["./main.js", 0],
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["./js/main.js", 0],
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["./static/js/main.js", 0]
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]);
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const result = _getDirectories(assets);
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expect([...result]).toEqual([".", "./js", "./static/js", "./static"]);
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});
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});
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describe("_isEqualPath", () => {
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it("should normalize paths before comparison", () => {
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expect(_isEqualPath("this", "this")).toBe(true);
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expect(_isEqualPath("this", "./this")).toBe(true);
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expect(_isEqualPath("this/a", "./this/a")).toBe(true);
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expect(_isEqualPath("this", "this/a")).toBe(false);
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});
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});
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describe("_hasFile", () => {
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it("should find file in Set collection", () => {
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const files = new Set(["this"]);
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expect(_hasFile(files, "./this")).toBe(true);
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expect(_hasFile(files, "this")).toBe(true);
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expect(_hasFile(files, "this/a")).toBe(false);
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});
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it("should find file in Map collection", () => {
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const files = new Map([["this", 0]]);
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expect(_hasFile(files, "this")).toBe(true);
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expect(_hasFile(files, "./this")).toBe(true);
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expect(_hasFile(files, "this/a")).toBe(false);
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});
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});
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});
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