1 files changed, 87 insertions, 0 deletions
diff --git a/www/wiki/extensions/MultimediaViewer/tests/qunit/mmv/logging/mmv.logging.ViewLogger.test.js b/www/wiki/extensions/MultimediaViewer/tests/qunit/mmv/logging/mmv.logging.ViewLogger.test.js
new file mode 100644
index 00000000..5da3633f
--- /dev/null
+++ b/www/wiki/extensions/MultimediaViewer/tests/qunit/mmv/logging/mmv.logging.ViewLogger.test.js
@@ -0,0 +1,87 @@
+( function ( mw, $ ) {
+	QUnit.module( 'mmv.logging.ViewLogger', QUnit.newMwEnvironment( {
+		setup: function () {
+			this.clock = this.sandbox.useFakeTimers();
+
+			// since jQuery 2/3, $.now will capture a reference to Date.now
+			// before above fake timer gets a chance to override it, so I'll
+			// override that new behavior in order to run these tests...
+			// @see https://github.com/sinonjs/lolex/issues/76
+			this.oldNow = $.now;
+			$.now = function () { return +( new Date() ); };
+		},
+
+		teardown: function () {
+			$.now = this.oldNow;
+			this.clock.restore();
+		}
+	} ) );
+
+	QUnit.test( 'unview()', function ( assert ) {
+		var logger = { log: $.noop },
+			viewLogger = new mw.mmv.logging.ViewLogger( { recordVirtualViewBeaconURI: $.noop }, {}, logger );
+
+		this.sandbox.stub( logger, 'log' );
+
+		viewLogger.unview();
+
+		assert.ok( !logger.log.called, 'action logger not called' );
+
+		viewLogger.setLastViewLogged( false );
+		viewLogger.unview();
+
+		assert.ok( !logger.log.called, 'action logger not called' );
+
+		viewLogger.setLastViewLogged( true );
+		viewLogger.unview();
+
+		assert.ok( logger.log.calledOnce, 'action logger called' );
+
+		viewLogger.unview();
+
+		assert.ok( logger.log.calledOnce, 'action logger not called again' );
+	} );
+
+	QUnit.test( 'focus and blur', function ( assert ) {
+		var fakeWindow = $( '<div>' ),
+			viewLogger = new mw.mmv.logging.ViewLogger( { recordVirtualViewBeaconURI: $.noop }, fakeWindow, { log: $.noop } );
+
+		this.clock.tick( 1 ); // This is just so that $.now() > 0 in the fake timer environment
+
+		viewLogger.attach();
+
+		this.clock.tick( 5 );
+
+		fakeWindow.triggerHandler( 'blur' );
+
+		this.clock.tick( 2 );
+
+		fakeWindow.triggerHandler( 'focus' );
+
+		this.clock.tick( 3 );
+
+		fakeWindow.triggerHandler( 'blur' );
+
+		this.clock.tick( 4 );
+
+		assert.strictEqual( viewLogger.viewDuration, 8, 'Only focus duration was logged' );
+	} );
+
+	QUnit.test( 'stopViewDuration before startViewDuration', function ( assert ) {
+		var viewLogger = new mw.mmv.logging.ViewLogger( { recordVirtualViewBeaconURI: $.noop }, {}, { log: $.noop } );
+
+		this.clock.tick( 1 ); // This is just so that $.now() > 0 in the fake timer environment
+
+		viewLogger.stopViewDuration();
+
+		this.clock.tick( 2 );
+
+		viewLogger.startViewDuration();
+
+		this.clock.tick( 3 );
+
+		viewLogger.stopViewDuration();
+
+		assert.strictEqual( viewLogger.viewDuration, 3, 'Only last timeframe was logged' );
+	} );
+}( mediaWiki, jQuery ) );