io example

  public function testProcess() {
    $fixtures = new Fixtures();
    $destination = $fixtures->destinationPath('[web-root]/robots.txt');
    $source = $fixtures->sourcePath('drupal-assets-fixture', 'robots.txt');
    $options = ScaffoldOptions::create([]);
    $sut = new ReplaceOp($source, TRUE);
    // Assert that there is no target file before we run our test.     $this->assertFileDoesNotExist($destination->fullPath());
    // Test the system under test.     $sut->process($destination, $fixtures->io(), $options);
    // Assert that the target file was created.     $this->assertFileExists($destination->fullPath());
    // Assert the target contained the contents from the correct scaffold file.     $contents = trim(file_get_contents($destination->fullPath()));
    $this->assertEquals('# Test version of robots.txt from drupal/core.', $contents);
    // Confirm that expected output was written to our io fixture.     $output = $fixtures->getOutput();
    $this->assertStringContainsString('Copy [web-root]/robots.txt from assets/robots.txt', $output);
  }

  /** * @covers ::process */

return $this->io;
  }

  /** * Gets the Composer object. * * @return \Composer\Composer * The main Composer object, needed by the scaffold Handler, etc. */
  public function getComposer() {
    if (!$this->composer) {
      $this->composer = Factory::create($this->io(), NULL, TRUE);
    }
    return $this->composer;
  }

  /** * Gets the output from the io() fixture. * * @return string * Output captured from tests that write to Fixtures::io(). */
  public function getOutput() {
    

EOT;

    $pre_calculated_contents = $sut->contents();
    $this->assertEquals(trim($expected), trim($pre_calculated_contents));

    // Test the system under test.     $sut->process($destination, $fixtures->io(), $options);
    // Assert that the target file was created.     $this->assertFileExists($destination->fullPath());
    // Assert the target contained the contents from the correct scaffold files.     $contents = trim(file_get_contents($destination->fullPath()));
    $this->assertEquals(trim($expected), $contents);
    // Confirm that expected output was written to our io fixture.     $output = $fixtures->getOutput();
    $this->assertStringContainsString('Prepend to [web-root]/robots.txt from assets/prepend-to-robots.txt', $output);
    $this->assertStringContainsString('Append to [web-root]/robots.txt from assets/append-to-robots.txt', $output);
  }

}

/** * @covers ::process */
  public function testProcess() {
    $fixtures = new Fixtures();
    $destination = $fixtures->destinationPath('[web-root]/robots.txt');
    $options = ScaffoldOptions::create([]);
    $sut = new SkipOp();
    // Assert that there is no target file before we run our test.     $this->assertFileDoesNotExist($destination->fullPath());
    // Test the system under test.     $sut->process($destination, $fixtures->io(), $options);
    // Assert that the target file was not created.     $this->assertFileDoesNotExist($destination->fullPath());
    // Confirm that expected output was written to our io fixture.     $output = $fixtures->getOutput();
    $this->assertStringContainsString('Skip [web-root]/robots.txt: disabled', $output);
  }

}