|
| 1 | +import { EmptyTree } from "@angular-devkit/schematics"; |
| 2 | +import { UnitTestTree } from "@angular-devkit/schematics/testing"; |
| 3 | +import { NgTreeFileSystem } from "./NgFileSystem"; |
| 4 | + |
| 5 | +describe("NgTreeFileSystem", () => { |
| 6 | + let tree: UnitTestTree; |
| 7 | + let fs: NgTreeFileSystem; |
| 8 | + |
| 9 | + beforeEach(() => { |
| 10 | + tree = new UnitTestTree(new EmptyTree()); |
| 11 | + fs = new NgTreeFileSystem(tree); |
| 12 | + }); |
| 13 | + |
| 14 | + describe("fileExists", () => { |
| 15 | + it("should return true when the file exists in the tree", () => { |
| 16 | + tree.create("/src/app/app.component.ts", "content"); |
| 17 | + expect(fs.fileExists("/src/app/app.component.ts")).toBeTrue(); |
| 18 | + }); |
| 19 | + |
| 20 | + it("should return false when the file does not exist in the tree", () => { |
| 21 | + expect(fs.fileExists("/src/missing.ts")).toBeFalse(); |
| 22 | + }); |
| 23 | + }); |
| 24 | + |
| 25 | + describe("readFile", () => { |
| 26 | + it("should return the file content as a string", () => { |
| 27 | + tree.create("/src/app/app.component.ts", "export class AppComponent {}"); |
| 28 | + expect(fs.readFile("/src/app/app.component.ts")).toBe("export class AppComponent {}"); |
| 29 | + }); |
| 30 | + |
| 31 | + it("should return an empty string when the file does not exist", () => { |
| 32 | + expect(fs.readFile("/src/nonexistent.ts")).toBe(""); |
| 33 | + }); |
| 34 | + |
| 35 | + it("should ignore the encoding parameter and still return the content", () => { |
| 36 | + tree.create("/src/file.txt", "hello"); |
| 37 | + expect(fs.readFile("/src/file.txt", "utf-8")).toBe("hello"); |
| 38 | + }); |
| 39 | + }); |
| 40 | + |
| 41 | + describe("writeFile", () => { |
| 42 | + it("should create a new file when it does not exist", () => { |
| 43 | + fs.writeFile("/src/new-file.ts", "new content"); |
| 44 | + expect(tree.readContent("/src/new-file.ts")).toBe("new content"); |
| 45 | + }); |
| 46 | + |
| 47 | + it("should overwrite an existing file", () => { |
| 48 | + tree.create("/src/existing.ts", "original content"); |
| 49 | + fs.writeFile("/src/existing.ts", "updated content"); |
| 50 | + expect(tree.readContent("/src/existing.ts")).toBe("updated content"); |
| 51 | + }); |
| 52 | + }); |
| 53 | + |
| 54 | + describe("directoryExists", () => { |
| 55 | + it("should return true when the directory contains files", () => { |
| 56 | + tree.create("/src/app/app.component.ts", ""); |
| 57 | + expect(fs.directoryExists("/src/app")).toBeTrue(); |
| 58 | + }); |
| 59 | + |
| 60 | + it("should return true when the directory contains subdirectories", () => { |
| 61 | + tree.create("/src/app/nested/file.ts", ""); |
| 62 | + expect(fs.directoryExists("/src/app")).toBeTrue(); |
| 63 | + }); |
| 64 | + |
| 65 | + it("should return false for an empty or non-existent directory", () => { |
| 66 | + expect(fs.directoryExists("/src/nonexistent")).toBeFalse(); |
| 67 | + }); |
| 68 | + }); |
| 69 | + |
| 70 | + describe("glob", () => { |
| 71 | + beforeEach(() => { |
| 72 | + tree.create("/src/app/app.component.ts", ""); |
| 73 | + tree.create("/src/app/app.module.ts", ""); |
| 74 | + tree.create("/src/app/shared/shared.component.ts", ""); |
| 75 | + tree.create("/src/environments/environment.ts", ""); |
| 76 | + tree.create("/src/environments/environment.prod.ts", ""); |
| 77 | + }); |
| 78 | + |
| 79 | + it("should return all files matching the pattern", () => { |
| 80 | + const results = fs.glob("/src", "**/*.ts"); |
| 81 | + expect(results).toContain("/src/app/app.component.ts"); |
| 82 | + expect(results).toContain("/src/app/app.module.ts"); |
| 83 | + expect(results).toContain("/src/app/shared/shared.component.ts"); |
| 84 | + expect(results).toContain("/src/environments/environment.ts"); |
| 85 | + expect(results).toContain("/src/environments/environment.prod.ts"); |
| 86 | + }); |
| 87 | + |
| 88 | + it("should return only files matching a specific pattern", () => { |
| 89 | + const results = fs.glob("/src", "**/environment*.ts"); |
| 90 | + expect(results).toContain("/src/environments/environment.ts"); |
| 91 | + expect(results).toContain("/src/environments/environment.prod.ts"); |
| 92 | + expect(results).not.toContain("/src/app/app.component.ts"); |
| 93 | + }); |
| 94 | + |
| 95 | + it("should return an empty array when no files match the pattern", () => { |
| 96 | + const results = fs.glob("/src", "**/*.html"); |
| 97 | + expect(results).toEqual([]); |
| 98 | + }); |
| 99 | + |
| 100 | + it("should skip subdirectories matching ignorePatterns", () => { |
| 101 | + tree.create("/src/node_modules/lib/index.ts", ""); |
| 102 | + |
| 103 | + const results = fs.glob("/src", "**/*.ts", ["node_modules"]); |
| 104 | + expect(results.some(r => r.includes("node_modules"))).toBeFalse(); |
| 105 | + }); |
| 106 | + |
| 107 | + it("should return an empty array when dirPath does not exist", () => { |
| 108 | + const results = fs.glob("/nonexistent", "**/*.ts"); |
| 109 | + expect(results).toEqual([]); |
| 110 | + }); |
| 111 | + }); |
| 112 | +}); |
0 commit comments