getTransitionTo example

->addTransition('publish', 'Publish', ['draft'], 'published');

    // Ensure we're returning state objects and they are set up correctly     $this->assertInstanceOf(State::class, $workflow->getTypePlugin()->getState('draft'));
    $this->assertEquals('archived', $workflow->getTypePlugin()->getState('archived')->id());
    $this->assertEquals('Archived', $workflow->getTypePlugin()->getState('archived')->label());

    $draft = $workflow->getTypePlugin()->getState('draft');
    $this->assertTrue($draft->canTransitionTo('draft'));
    $this->assertTrue($draft->canTransitionTo('published'));
    $this->assertFalse($draft->canTransitionTo('archived'));
    $this->assertEquals('Publish', $draft->getTransitionTo('published')->label());
    $this->assertEquals(0, $draft->weight());
    $this->assertEquals(1, $workflow->getTypePlugin()->getState('published')->weight());
    $this->assertEquals(2, $workflow->getTypePlugin()->getState('archived')->weight());
  }

  /** * @covers ::getState */
  public function testGetStateException() {
    $this->expectException(\InvalidArgumentException::class);
    $this->expectExceptionMessage("The state 'state_that_does_not_exist' does not exist in workflow.");
    

/** * @covers ::getTransitionTo */
  public function testGetTransitionTo() {
    $workflow_type = new TestType([], '', []);
    $workflow_type
      ->addState('draft', 'Draft')
      ->addState('published', 'Published')
      ->addTransition('publish', 'Publish', ['draft'], 'published');
    $state = $workflow_type->getState('draft');
    $transition = $state->getTransitionTo('published');
    $this->assertEquals('Publish', $transition->label());
  }

  /** * @covers ::getTransitionTo */
  public function testGetTransitionToException() {
    $this->expectException(\InvalidArgumentException::class);
    $this->expectExceptionMessage("Can not transition to 'published' state");
    $workflow_type = new TestType([], '', []);
    $workflow_type->addState('draft', 'Draft');
    

/** * {@inheritdoc} */
  public function canTransitionTo($to_state_id) {
    return $this->state->canTransitionTo($to_state_id);
  }

  /** * {@inheritdoc} */
  public function getTransitionTo($to_state_id) {
    return $this->state->getTransitionTo($to_state_id);
  }

  /** * {@inheritdoc} */
  public function getTransitions() {
    return $this->state->getTransitions();
  }

}

/** * @covers ::from * @covers ::to */
  public function testFromAndTo() {
    $workflow = new TestType([], '', []);
    $workflow
      ->addState('draft', 'Draft')
      ->addState('published', 'Published')
      ->addTransition('publish', 'Publish', ['draft'], 'published');
    $state = $workflow->getState('draft');
    $transition = $state->getTransitionTo('published');
    $this->assertEquals($state, $transition->from()['draft']);
    $this->assertEquals($workflow->getState('published'), $transition->to());
  }

}