/**
     * Tests InputJsonConverter->convertActivities()
     */
    public function testConvertActivities()
    {
        $json = '{
		"body":"write back!",
		"id":"202",
		"mediaItems":[{"mimeType":"image","type":"image","url":"http:\\/\\/cdn.davesdaily.com\\/pictures\\/784-awesome-hands.jpg"}],
		"postedTime":"1217886794",
		"streamTitle":"activities",
		"title":"test title",
		"userId":"1"
		}';
        $activity = $this->InputJsonConverter->convertActivities($json);
        $this->assertEquals('write back!', $activity['body']);
        $this->assertEquals('202', $activity['id']);
        $this->assertEquals('image', $activity['mediaItems'][0]['mimeType']);
        $this->assertEquals('image', $activity['mediaItems'][0]['type']);
        $this->assertEquals('http://cdn.davesdaily.com/pictures/784-awesome-hands.jpg', $activity['mediaItems'][0]['url']);
        $this->assertEquals('1217886794', $activity['postedTime']);
        $this->assertEquals('activities', $activity['streamTitle']);
        $this->assertEquals('test title', $activity['title']);
        $this->assertEquals('1', $activity['userId']);
    }