setSourcePlugin example

  public function testRequirementsForSourcePlugin() {
    $migration = new TestMigration();

    $source_plugin = $this->createMock('Drupal\Tests\migrate\Unit\RequirementsAwareSourceInterface');
    $source_plugin->expects($this->once())
      ->method('checkRequirements')
      ->willThrowException(new RequirementsException('Missing source requirement', ['key' => 'value']));
    $destination_plugin = $this->createMock('Drupal\Tests\migrate\Unit\RequirementsAwareDestinationInterface');

    $migration->setSourcePlugin($source_plugin);
    $migration->setDestinationPlugin($destination_plugin);

    $this->expectException(RequirementsException::class);
    $this->expectExceptionMessage('Missing source requirement');
    $migration->checkRequirements();
  }

  /** * Tests checking requirements for destination plugins. * * @covers ::checkRequirements */