public function testStaticFlow() { $file = $this->makeFile('replaceText/static/from', 'some text'); $flow = Flow::replaceText('text', 'bananas'); $output = $flow->flow($file); static::assertNotSame($file, $output); static::assertInstanceOf(LocalFile::class, $output); static::assertEquals(['some bananas'], $output->getContents()); }