DotsUnited\BundleFu\Tests\TestCase::assertFileMatch PHP Method

    public function assertFileMatch($filename, $needle, $message = null)
    {
        if (null === $message) {
            $message = "expected {$filename} to match {$needle}, but doesn't.";
        }
        $this->assertFileExists($filename);
        $this->assertRegExp('/' . preg_quote($needle, '/') . '/', file_get_contents($filename), $message);
    }