public function testWarn() { $l = new Logger(new File(__DIR__ . '/../tmp/app.log')); $l->warn('Test log message'); $this->assertTrue(file_exists(__DIR__ . '/../tmp/app.log')); $this->assertGreaterThan(0, filesize(__DIR__ . '/../tmp/app.log')); unlink(__DIR__ . '/../tmp/app.log'); }