test: add unit tests for vitest RUN line Windows path normalization

Author: fengmk2

packages/tools/src/__tests__/utils.spec.ts

@@ -146,6 +146,32 @@ Done in 171ms using pnpm v10.16.1
     });
   });
 
+  test('normalize vitest RUN line with Windows absolute path', () => {
+    const output = ' RUN  C:/Users/RUNNER~1/AppData/Local/Temp/vite-plus-test-abc/my-test\n';
+    expect(replaceUnstableOutput(output)).toBe(' RUN  <cwd>\n');
+  });
+
+  test('normalize vitest RUN line with Windows backslash path', () => {
+    const output = ' RUN  C:\\Users\\RUNNER~1\\AppData\\Local\\Temp\\vite-plus-test-abc\\my-test\n';
+    expect(replaceUnstableOutput(output)).toBe(' RUN  <cwd>\n');
+  });
+
+  test('normalize vitest RUN line with version and Windows path', () => {
+    const output = ' RUN  v1.0.0 C:/Users/RUNNER~1/AppData/Local/Temp/vite-plus-test-abc/my-test\n';
+    expect(replaceUnstableOutput(output)).toBe(' RUN  v<semver> <cwd>\n');
+  });
+
+  test('preserve vitest RUN line already normalized with <cwd>', () => {
+    const output = ' RUN  <cwd>\n';
+    expect(replaceUnstableOutput(output)).toBe(' RUN  <cwd>\n');
+  });
+
+  test.skipIf(process.platform === 'win32')('normalize vitest RUN line with cwd on Unix', () => {
+    const cwd = '/tmp/vite-plus-test-abc/my-test';
+    const output = ` RUN  ${cwd}\n`;
+    expect(replaceUnstableOutput(output, cwd)).toBe(' RUN  <cwd>\n');
+  });
+
   test('replace tsdown output', () => {
     const output = `
 ℹ tsdown v0.15.1 powered by rolldown v0.15.1