Fix matchers and add tests

__tests__/install.test.ts

@@ -1,6 +1,4 @@
 import * as install from '../src/install';
-import * as matchers from '../src/matchers';
-import * as path from 'path';
 
 /**
  * Mock install.ts
@@ -152,34 +150,4 @@ describe('Install', () => {
     expect(script).toContain('set coverage driver');
     expect(script).toContain('sh script.sh 7.3 ' + __dirname);
   });
-
-  describe('Matchers', () => {
-    let originalLogMethod: any;
-    let outputData: any[] = [];
-
-    beforeAll(() => {
-      originalLogMethod = console.log;
-      console['log'] = jest.fn(inputs => outputData.push(inputs));
-    });
-
-    beforeEach(() => {
-      outputData = [];
-    });
-
-    afterAll(() => {
-      console['log'] = originalLogMethod;
-    });
-
-    it('Add matchers', async () => {
-      matchers.addMatchers();
-
-      expect(outputData).toEqual([
-        `##[add-matcher]${path.join(
-          __dirname,
-          '..',
-          '.github/matchers/phpunit.json'
-        )}`
-      ]);
-    });
-  });
 });

__tests__/matchers.test.ts

@@ -0,0 +1,34 @@
+import * as io from '@actions/io';
+import * as path from 'path';
+import * as fs from 'fs';
+import * as matchers from '../src/matchers';
+
+async function cleanup(path: string): Promise<void> {
+  fs.unlink(path, error => {
+    if (error) {
+      console.log(error);
+    }
+  });
+}
+
+jest.mock('@actions/io');
+
+describe('Matchers', () => {
+  it('Add matchers', async () => {
+    process.env['RUNNER_TOOL_CACHE'] = __dirname;
+    await matchers.addMatchers();
+    const spy = jest.spyOn(io, 'cp');
+    expect(spy).toHaveBeenCalledTimes(1);
+  });
+
+  it('Test Regex', async () => {
+    const regex1 = /^\d+\)\s.*$/;
+    const regex2 = /^(.*)$/;
+    const regex3 = /^\s*$/;
+    const regex4 = /^(.*):(\d+)$/;
+    expect(regex1.test('1) Tests\\Test::it_tests')).toBe(true);
+    expect(regex2.test('Failed asserting that false is true')).toBe(true);
+    expect(regex3.test('\n')).toBe(true);
+    expect(regex4.test('/path/to/file.php:42')).toBe(true);
+  });
+});