public void NameFilterTest() { // instance var exporter = new ConversationExporter(); exporter.ExportConversation("chat.txt", "chat.json"); var serializedConversation = new StreamReader(new FileStream("chat.json", FileMode.Open)).ReadToEnd(); var savedConversation = JsonConvert.DeserializeObject<Conversation>(serializedConversation); var messages = savedConversation.messages.ToList(); TextFilter filter = new TextFilter(); string user = "******"; //actual var actual1 = filter.NameFilter(messages, user); var actualString1 = actual1[1].senderId; //assert(actual == expected) Assert.That(actualString1, Is.EqualTo("bob")); }