Add tests for the workflow plugin.

tests/src/Unit/Plugin/Workflow/WorkflowTest.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\state_machine\Unit\WorkflowTest.
+ */
+
+namespace Drupal\Tests\state_machine\Unit;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\state_machine\Guard\GuardFactoryInterface;
+use Drupal\state_machine\Guard\GuardInterface;
+use Drupal\state_machine\Plugin\Workflow\Workflow;
+use Drupal\state_machine\Plugin\Workflow\WorkflowState;
+use Drupal\state_machine\Plugin\Workflow\WorkflowTransition;
+use Drupal\Tests\UnitTestCase;
+use Prophecy\Argument;
+
+/**
+ * @coversDefaultClass \Drupal\state_machine\Plugin\Workflow\Workflow
+ * @group state_machine
+ */
+class WorkflowTest extends UnitTestCase {
+
+  /**
+   * @covers ::getLabel
+   */
+  public function testGetLabel() {
+    $guard_factory = $this->prophesize(GuardFactoryInterface::class);
+    $plugin_definition = [
+      'states' => [],
+      'transitions' => [],
+      'label' => 'test label',
+    ];
+    $workflow = new Workflow([], 'test', $plugin_definition, $guard_factory->reveal());
+
+    $this->assertEquals('test label', $workflow->getLabel());
+  }
+
+  /**
+   * @covers ::getStates
+   * @covers ::getState
+   */
+  public function testGetStates() {
+    $guard_factory = $this->prophesize(GuardFactoryInterface::class);
+    $plugin_definition = [
+      'states' => [
+        'draft' => [
+          'label' => 'Draft',
+        ],
+      ],
+      'transitions' => [],
+    ];
+    $workflow = new Workflow([], 'test', $plugin_definition, $guard_factory->reveal());
+
+    $state = $workflow->getState('draft');
+    $this->assertEquals($state, $states['draft']);
+    $this->assertEquals('draft', $state->getId());
+    $this->assertEquals('Draft', $state->getLabel());
+    $this->assertEquals(['draft' => $state], $workflow->getStates());
+  }
+
+  /**
+   * @covers ::getTransitions
+   * @covers ::getTransition
+   */
+  public function testGetTransitions() {
+    $guard_factory = $this->prophesize(GuardFactoryInterface::class);
+    $plugin_definition = [
+      'states' => [
+        'draft' => [
+          'label' => 'Draft',
+        ],
+        'published' => [
+          'label' => 'Published',
+        ],
+      ],
+      'transitions' => [
+        'publish' => [
+          'label' => 'Publish',
+          'from' => ['draft'],
+          'to' => 'published',
+        ],
+      ],
+    ];
+    $workflow = new Workflow([], 'test', $plugin_definition, $guard_factory->reveal());
+
+    $transition = $workflow->getTransition('publish_draft');
+    $this->assertEquals($transition, $states['publish_draft']);
+    $this->assertEquals('publish', $transition->getId());
+    $this->assertEquals('Publish', $transition->getLabel());
+    $this->assertEquals(['draft' => $workflow->getState('draft')], $transition->getFromStates());
+    $this->assertEquals($workflow->getState('published'), $transition->getToState());
+    $this->assertEquals(['publish' => $transition], $workflow->getTransitions());
+  }
+
+  /**
+   * @covers ::getPossibleTransitions
+   */
+  public function testGetPossibleTransitions() {
+    $guard_factory = $this->prophesize(GuardFactoryInterface::class);
+    $plugin_definition = [
+      'states' => [
+        'draft' => [
+          'label' => 'Draft',
+        ],
+        'review' => [
+          'label' => 'Review',
+        ],
+        'published' => [
+          'label' => 'Published',
+        ],
+      ],
+      'transitions' => [
+        'send_to_review' => [
+          'label' => 'Send to review',
+          'from' => ['draft'],
+          'to' => 'review',
+        ],
+        'publish' => [
+          'label' => 'Publish',
+          'from' => ['review'],
+          'to' => 'published',
+        ],
+      ],
+    ];
+    $workflow = new Workflow([], 'test', $plugin_definition, $guard_factory->reveal());
+
+    $transition = $workflow->getTransition('send_to_review');
+    $this->assertEquals(['send_to_review' => $transition], $workflow->getPossibleTransitions('draft'));
+    $transition = $workflow->getTransition('publish');
+    $this->assertEquals(['publish' => $transition], $workflow->getPossibleTransitions('review'));
+    $this->assertEquals([], $workflow->getPossibleTransitions('published'));
+    // Passing an empty state should return all transitions.
+    $this->assertEquals($workflow->getTransitions(), $workflow->getPossibleTransitions());
+  }
+
+  /**
+   * @covers ::getAllowedTransitions
+   */
+  public function testGetAllowedTransitions() {
+    $plugin_definition = [
+      'states' => [
+        'draft' => [
+          'label' => 'Draft',
+        ],
+        'review' => [
+          'label' => 'Review',
+        ],
+        'published' => [
+          'label' => 'Published',
+        ],
+      ],
+      'transitions' => [
+        'send_to_review' => [
+          'label' => 'Send to review',
+          'from' => ['draft'],
+          'to' => 'review',
+        ],
+        'publish' => [
+          'label' => 'Publish',
+          'from' => ['review'],
+          'to' => 'published',
+        ],
+      ],
+      'group' => 'default',
+    ];
+    $guard_allow = $this->prophesize(GuardInterface::class);
+    $guard_allow
+      ->allowed(Argument::cetera())
+      ->willReturn(TRUE);
+    $guard_deny_publish = $this->prophesize(GuardInterface::class);
+    $guard_deny_publish
+      ->allowed($transitions['publish'], Argument::any(), Argument::any())
+      ->willReturn(FALSE);
+    $guard_deny_publish
+      ->allowed(Argument::any(), Argument::any(), Argument::any())
+      ->willReturn(TRUE);
+    $guard_factory = $this->prophesize(GuardFactoryInterface::class);
+    $guard_factory
+      ->get('default')
+      ->willReturn([$guard_allow->reveal(), $guard_deny_publish->reveal()]);
+    $workflow = new Workflow([], 'test', $plugin_definition, $guard_factory->reveal());
+
+    $entity = $this->prophesize(EntityInterface::class)->reveal();
+    $transition = $this->getTransition('send_to_review');
+    $this->assertEquals(['send_to_review' => $transition], $workflow->getAllowedTransitions('draft', $entity));
+    $this->assertEquals([], $workflow->getAllowedTransitions('review', $entity));
+  }
+
+}

tests/src/Unit/Plugin/WorkflowGroup/WorkflowGroupTest.php

@@ -12,7 +12,7 @@ use Drupal\Tests\UnitTestCase;
 
 /**
  * @coversDefaultClass \Drupal\state_machine\Plugin\WorkflowGroup\WorkflowGroup
- * @group Workflow
+ * @group state_machine
  */
 class WorkflowGroupTest extends UnitTestCase {