[COMPLETED] Added tests for the QSE Clear command

test/clear.test.js

@@ -0,0 +1,91 @@
+import path from "node:path";
+import {
+    existsSync,
+    mkdirSync,
+    readdirSync,
+    writeFileSync,
+    rmSync,
+} from "node:fs";
+import { fileURLToPath } from "url";
+import { jest, expect } from "@jest/globals";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const tempDir = path.join(__dirname, "test-temp-dir");
+const mockConfirm = jest.fn();
+
+jest.unstable_mockModule("@inquirer/prompts", () => ({
+    confirm: mockConfirm,
+}));
+
+let clearCWD;
+
+beforeAll(async () => {
+    const clearModule = await import("../bin/util/clear.js");
+    clearCWD = clearModule.clearCWD;
+});
+
+function createTempDir() {
+    if (existsSync(tempDir)) {
+        rmSync(tempDir, { recursive: true, force: true });
+    }
+    mkdirSync(tempDir, { recursive: true });
+    writeFileSync(path.join(tempDir, "test1"), "console.log('test1');");
+    writeFileSync(path.join(tempDir, "test2.js"), "console.log('test2');");
+
+    const testDirPath = path.join(tempDir, "nested-dir");
+    mkdirSync(testDirPath);
+    writeFileSync(path.join(testDirPath, "test3.txt"), "console.log('test3');");
+}
+
+function listDirContents() {
+    if (existsSync(tempDir)) {
+        return readdirSync(tempDir);
+    } else {
+        return [];
+    }
+}
+
+function removeTempDir() {
+    if (existsSync(tempDir)) {
+        rmSync(tempDir, { recursive: true, force: true });
+    }
+}
+
+describe("qse clear command function", () => {
+    beforeEach(() => {
+        jest.resetModules();
+        createTempDir();
+        jest.spyOn(process, "cwd").mockReturnValue(tempDir);
+        mockConfirm.mockReset();
+    });
+
+    afterEach(() => {
+        jest.restoreAllMocks();
+    });
+
+    afterAll(() => {
+        jest.clearAllMocks();
+        removeTempDir();
+    });
+
+    test("remove files when user confirms", async () => {
+        expect(listDirContents().length).toBeGreaterThan(0);
+        mockConfirm.mockResolvedValue(true);
+
+        await clearCWD();
+
+        expect(listDirContents().length).toBe(0);
+        expect(mockConfirm).toHaveBeenCalled();
+    });
+
+    test("does not remove files when user canceles", async () => {
+        const initialContents = listDirContents();
+        expect(initialContents.length).toBeGreaterThan(0);
+        mockConfirm.mockResolvedValue(false);
+
+        await clearCWD();
+
+        expect(listDirContents()).toEqual(initialContents);
+        expect(mockConfirm).toHaveBeenCalled();
+    });
+});