Add tests for cp and mv (#68)

test/tests/command/cp.test.ts

@@ -0,0 +1,27 @@
+import { expect } from '@playwright/test';
+import { shellLineSimpleN, test } from '../utils';
+
+test.describe('cp command', () => {
+  test('should copy single file', async ({ page }) => {
+    const output = await shellLineSimpleN(page, [
+      // Check initial conditions
+      'ls file1',
+      'ls copy',
+      'cat file1',
+      // Copy file
+      'cp file1 copy',
+      // Check results
+      'ls file1',
+      'ls copy',
+      'cat file1',
+      'cat copy'
+    ]);
+    expect(output[0]).toMatch(/^ls file1\r\nfile1\r\n/);
+    expect(output[1]).toMatch(/cannot access 'copy': No such file or directory/);
+    expect(output[2]).toMatch(/^cat file1\r\nContents of the file\r\n/);
+    expect(output[4]).toMatch(/^ls file1\r\nfile1\r\n/);
+    expect(output[5]).toMatch(/^ls copy\r\ncopy\r\n/);
+    expect(output[6]).toMatch(/^cat file1\r\nContents of the file\r\n/);
+    expect(output[7]).toMatch(/^cat copy\r\nContents of the file\r\n/);
+  });
+});

test/tests/command/mv.test.ts

@@ -0,0 +1,25 @@
+import { expect } from '@playwright/test';
+import { shellLineSimpleN, test } from '../utils';
+
+test.describe('mv command', () => {
+  test('should move single file', async ({ page }) => {
+    const output = await shellLineSimpleN(page, [
+      // Check initial conditions
+      'ls file1',
+      'ls copy',
+      'cat file1',
+      // Move file
+      'mv file1 copy',
+      // Check results
+      'ls file1',
+      'ls copy',
+      'cat copy'
+    ]);
+    expect(output[0]).toMatch(/^ls file1\r\nfile1\r\n/);
+    expect(output[1]).toMatch(/cannot access 'copy': No such file or directory/);
+    expect(output[2]).toMatch(/^cat file1\r\nContents of the file\r\n/);
+    expect(output[4]).toMatch(/cannot access 'file1': No such file or directory/);
+    expect(output[5]).toMatch(/^ls copy\r\ncopy\r\n/);
+    expect(output[6]).toMatch(/^cat copy\r\nContents of the file\r\n/);
+  });
+});