function WorkflowTest::testAddTransitionDuplicateTransitionStatesException
@covers ::addTransition
      
    
File
- 
              core/modules/ workflows/ tests/ src/ Unit/ WorkflowTest.php, line 349 
Class
- WorkflowTest
- @coversDefaultClass \Drupal\workflows\Plugin\WorkflowTypeBase[[api-linebreak]]
Namespace
Drupal\Tests\workflows\UnitCode
public function testAddTransitionDuplicateTransitionStatesException() {
  $this->expectException(\InvalidArgumentException::class);
  $this->expectExceptionMessage("The 'publish' transition already allows 'draft' to 'published' transitions in workflow.");
  $workflow = new Workflow([
    'id' => 'test',
    'type' => 'test_type',
  ], 'workflow');
  $workflow->getTypePlugin()
    ->addState('draft', 'Draft')
    ->addState('published', 'Published');
  $workflow->getTypePlugin()
    ->addTransition('publish', 'Publish', [
    'draft',
    'published',
  ], 'published');
  $workflow->getTypePlugin()
    ->addTransition('draft_to_published', 'Publish a draft', [
    'draft',
  ], 'published');
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
