multipleStreamOutput = new MultipleStreamOutput( [ fopen(__DIR__ . '/_files/a.txt', 'a+'), fopen(__DIR__ . '/_files/b.txt', 'a+') ] ); } public function tearDown() { file_put_contents(__DIR__ . '/_files/a.txt', ''); file_put_contents(__DIR__ . '/_files/b.txt', ''); } /** * @expectedException \InvalidArgumentException * @expectedExceptionMessage The StreamOutput class needs a stream as its first argument */ public function testCreateException() { $this->multipleStreamOutput = new MultipleStreamOutput(['a', 'b']); } public function testWriteln() { $this->multipleStreamOutput->writeln('Hello world'); $this->assertEquals('Hello world' . PHP_EOL, file_get_contents(__DIR__ . '/_files/a.txt')); $this->assertEquals('Hello world' . PHP_EOL, file_get_contents(__DIR__ . '/_files/b.txt')); } public function testWrite() { $this->multipleStreamOutput->write('Hello world'); $this->assertEquals('Hello world', file_get_contents(__DIR__ . '/_files/a.txt')); $this->assertEquals('Hello world', file_get_contents(__DIR__ . '/_files/b.txt')); } }