1 files changed, 28 insertions, 0 deletions
diff --git a/tests/qunit/suites/resources/mediawiki/mediawiki.messagePoster.factory.test.js b/tests/qunit/suites/resources/mediawiki/mediawiki.messagePoster.factory.test.js
new file mode 100644
index 00000000..61bab03f
--- /dev/null
+++ b/tests/qunit/suites/resources/mediawiki/mediawiki.messagePoster.factory.test.js
@@ -0,0 +1,28 @@
+( function ( mw ) {
+	var TEST_MODEL = 'test-content-model';
+
+	QUnit.module( 'mediawiki.messagePoster', QUnit.newMwEnvironment( {
+		teardown: function () {
+			mw.messagePoster.factory.unregister( TEST_MODEL );
+		}
+	} ) );
+
+	QUnit.test( 'register', 2, function ( assert ) {
+		var testMessagePosterConstructor = function () {};
+
+		mw.messagePoster.factory.register( TEST_MODEL, testMessagePosterConstructor );
+		assert.strictEqual(
+			mw.messagePoster.factory.contentModelToClass[TEST_MODEL],
+			testMessagePosterConstructor,
+			'Constructor is registered'
+		);
+
+		assert.throws(
+			function () {
+				mw.messagePoster.factory.register( TEST_MODEL, testMessagePosterConstructor );
+			},
+			new RegExp( 'The content model \'' + TEST_MODEL + '\' is already registered.' ),
+			'Throws exception is same model is registered a second time'
+		);
+	} );
+}( mediaWiki ) );