1 files changed, 61 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/tests/phpunit/api/ApiQueryMessageCollectionTest.php b/www/wiki/extensions/Translate/tests/phpunit/api/ApiQueryMessageCollectionTest.php
new file mode 100644
index 00000000..17424a80
--- /dev/null
+++ b/www/wiki/extensions/Translate/tests/phpunit/api/ApiQueryMessageCollectionTest.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * @file
+ * @author Abijeet Patro
+ * @license GPL-2.0-or-later
+ */
+
+/**
+ * @group medium
+ */
+class ApiQueryMessageCollectionTest extends ApiTestCase {
+	protected function setUp() {
+		parent::setUp();
+
+		$this->setTemporaryHook(
+			'TranslatePostInitGroups',
+			function ( &$list ) {
+				$exampleMessageGroup = new WikiMessageGroup( 'theid', 'thesource' );
+				$exampleMessageGroup->setLabel( 'thelabel' ); // Example
+				$exampleMessageGroup->setNamespace( 5 ); // Example
+				$list['theid'] = $exampleMessageGroup;
+
+				$anotherExampleMessageGroup = new WikiMessageGroup( 'anotherid', 'thesource' );
+				$anotherExampleMessageGroup->setLabel( 'thelabel' ); // Example
+				$anotherExampleMessageGroup->setNamespace( 5 ); // Example
+				$list['anotherid'] = $anotherExampleMessageGroup;
+
+				return false;
+			}
+		);
+
+		$mg = MessageGroups::singleton();
+		$mg->setCache( new WANObjectCache( [ 'cache' => wfGetCache( 'hash' ) ] ) );
+		$mg->recache();
+	}
+
+	public function testSameAsSourceLanguage() {
+		global $wgLanguageCode;
+
+		$groups = MessageGroups::getAllGroups();
+		list( $response ) = $this->doApiRequest(
+			[
+				'mcgroup' => $groups['anotherid']->getId(),
+				'action' => 'query',
+				'list' => 'messagecollection',
+				'mcprop' => 'definition|translation|tags|properties',
+				// @see https://gerrit.wikimedia.org/r/#/c/160222/
+				'continue' => '',
+				'errorformat' => 'html',
+				'mclanguage' => $wgLanguageCode
+			]
+		);
+
+		$this->assertArrayHasKey( 'warnings', $response,
+			'warning triggered when source language same as target language.' );
+		$this->assertCount( 1, $response['warnings'],
+			'warning triggered when source language same as target language.' );
+		$this->assertArrayNotHasKey( 'errors', $response,
+			'no error triggered when source language same as target language.' );
+	}
+}