1 files changed, 208 insertions, 0 deletions
diff --git a/www/wiki/tests/phpunit/includes/actions/ActionTest.php b/www/wiki/tests/phpunit/includes/actions/ActionTest.php
new file mode 100644
index 00000000..b96b4914
--- /dev/null
+++ b/www/wiki/tests/phpunit/includes/actions/ActionTest.php
@@ -0,0 +1,208 @@
+<?php
+
+/**
+ * @covers Action
+ *
+ * @group Action
+ * @group Database
+ *
+ * @license GNU GPL v2+
+ * @author Thiemo Kreuz
+ */
+class ActionTest extends MediaWikiTestCase {
+
+	protected function setUp() {
+		parent::setUp();
+
+		$context = $this->getContext();
+		$this->setMwGlobals( 'wgActions', [
+			'null' => null,
+			'disabled' => false,
+			'view' => true,
+			'edit' => true,
+			'revisiondelete' => SpecialPageAction::class,
+			'dummy' => true,
+			'string' => 'NamedDummyAction',
+			'declared' => 'NonExistingClassName',
+			'callable' => [ $this, 'dummyActionCallback' ],
+			'object' => new InstantiatedDummyAction( $context->getWikiPage(), $context ),
+		] );
+	}
+
+	private function getPage() {
+		return WikiPage::factory( Title::makeTitle( 0, 'Title' ) );
+	}
+
+	private function getContext( $requestedAction = null ) {
+		$request = new FauxRequest( [ 'action' => $requestedAction ] );
+
+		$context = new DerivativeContext( RequestContext::getMain() );
+		$context->setRequest( $request );
+		$context->setWikiPage( $this->getPage() );
+
+		return $context;
+	}
+
+	public function actionProvider() {
+		return [
+			[ 'dummy', 'DummyAction' ],
+			[ 'string', 'NamedDummyAction' ],
+			[ 'callable', 'CalledDummyAction' ],
+			[ 'object', 'InstantiatedDummyAction' ],
+
+			// Capitalization is ignored
+			[ 'DUMMY', 'DummyAction' ],
+			[ 'STRING', 'NamedDummyAction' ],
+
+			// Null and non-existing values
+			[ 'null', null ],
+			[ 'undeclared', null ],
+			[ '', null ],
+			[ false, null ],
+		];
+	}
+
+	/**
+	 * @dataProvider actionProvider
+	 * @param string $requestedAction
+	 * @param string|null $expected
+	 */
+	public function testActionExists( $requestedAction, $expected ) {
+		$exists = Action::exists( $requestedAction );
+
+		$this->assertSame( $expected !== null, $exists );
+	}
+
+	public function testActionExists_doesNotRequireInstantiation() {
+		// The method is not supposed to check if the action can be instantiated.
+		$exists = Action::exists( 'declared' );
+
+		$this->assertTrue( $exists );
+	}
+
+	/**
+	 * @dataProvider actionProvider
+	 * @param string $requestedAction
+	 * @param string|null $expected
+	 */
+	public function testGetActionName( $requestedAction, $expected ) {
+		$context = $this->getContext( $requestedAction );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( $expected ?: 'nosuchaction', $actionName );
+	}
+
+	public function testGetActionName_editredlinkWorkaround() {
+		// See https://phabricator.wikimedia.org/T22966
+		$context = $this->getContext( 'editredlink' );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( 'edit', $actionName );
+	}
+
+	public function testGetActionName_historysubmitWorkaround() {
+		// See https://phabricator.wikimedia.org/T22966
+		$context = $this->getContext( 'historysubmit' );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( 'view', $actionName );
+	}
+
+	public function testGetActionName_revisiondeleteWorkaround() {
+		// See https://phabricator.wikimedia.org/T22966
+		$context = $this->getContext( 'historysubmit' );
+		$context->getRequest()->setVal( 'revisiondelete', true );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( 'revisiondelete', $actionName );
+	}
+
+	public function testGetActionName_whenCanNotUseWikiPage_defaultsToView() {
+		$request = new FauxRequest( [ 'action' => 'edit' ] );
+		$context = new DerivativeContext( RequestContext::getMain() );
+		$context->setRequest( $request );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( 'view', $actionName );
+	}
+
+	/**
+	 * @dataProvider actionProvider
+	 * @param string $requestedAction
+	 * @param string|null $expected
+	 */
+	public function testActionFactory( $requestedAction, $expected ) {
+		$context = $this->getContext();
+		$action = Action::factory( $requestedAction, $context->getWikiPage(), $context );
+
+		$this->assertType( $expected ?: 'null', $action );
+	}
+
+	public function testNull_doesNotExist() {
+		$exists = Action::exists( null );
+
+		$this->assertFalse( $exists );
+	}
+
+	public function testNull_defaultsToView() {
+		$context = $this->getContext( null );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( 'view', $actionName );
+	}
+
+	public function testNull_canNotBeInstantiated() {
+		$page = $this->getPage();
+		$action = Action::factory( null, $page );
+
+		$this->assertNull( $action );
+	}
+
+	public function testDisabledAction_exists() {
+		$exists = Action::exists( 'disabled' );
+
+		$this->assertTrue( $exists );
+	}
+
+	public function testDisabledAction_isNotResolved() {
+		$context = $this->getContext( 'disabled' );
+		$actionName = Action::getActionName( $context );
+
+		$this->assertEquals( 'nosuchaction', $actionName );
+	}
+
+	public function testDisabledAction_factoryReturnsFalse() {
+		$page = $this->getPage();
+		$action = Action::factory( 'disabled', $page );
+
+		$this->assertFalse( $action );
+	}
+
+	public function dummyActionCallback() {
+		$context = $this->getContext();
+		return new CalledDummyAction( $context->getWikiPage(), $context );
+	}
+
+}
+
+class DummyAction extends Action {
+
+	public function getName() {
+		return static::class;
+	}
+
+	public function show() {
+	}
+
+	public function execute() {
+	}
+}
+
+class NamedDummyAction extends DummyAction {
+}
+
+class CalledDummyAction extends DummyAction {
+}
+
+class InstantiatedDummyAction extends DummyAction {
+}