TestDrupalSqlBase example

parent::setUp();
    $this->pluginDefinition['requirements_met'] = TRUE;
    $this->pluginDefinition['source_module'] = 'module1';
    $this->state = $this->createMock('Drupal\Core\State\StateInterface');
    $this->entityTypeManager = $this->createMock('Drupal\Core\Entity\EntityTypeManagerInterface');
  }

  /** * @covers ::checkRequirements */
  public function testSourceProviderNotActive() {
    $plugin = new TestDrupalSqlBase([], 'placeholder_id', $this->pluginDefinition, $this->getMigration(), $this->state, $this->entityTypeManager);
    $plugin->setDatabase($this->getDatabase($this->databaseContents));
    $this->expectException(RequirementsException::class);
    $this->expectExceptionMessage('The module module1 is not enabled in the source site.');
    try {
      $plugin->checkRequirements();
    }
    catch (RequirementsException $e) {
      // Ensure requirements are set on the exception.       $this->assertEquals(['source_module' => 'module1'], $e->getRequirements());
      // Re-throw so PHPUnit can assert the exception.       throw $e;
    }