public static void Main(string[] args)
        {
            var contentAnalyzer = new ContentAnalyzer(new FakeRepository());             // Could also have used Moq.

            Console.WriteLine("Story 1");
            Console.WriteLine("Scanned the text:");
            contentAnalyzer.SetContentFilteringStatus(false);
            Console.WriteLine(contentAnalyzer.GetContent());
            Console.WriteLine("Total Number of negative words: " + contentAnalyzer.GetBannedWordCount());
            Console.WriteLine();

            Console.WriteLine("Story 2");
            Console.WriteLine("I haven't implemented an UpdateBannedWords method but the unit tests prove that the list of banned words is not hard coded.");
            Console.WriteLine();

            Console.WriteLine("Story 3");
            contentAnalyzer.SetContentFilteringStatus(true);
            Console.WriteLine(contentAnalyzer.GetContent());
            Console.WriteLine();

            Console.WriteLine("Story 4");
            Console.WriteLine("Scanned the text:");
            contentAnalyzer.SetContentFilteringStatus(false);
            Console.WriteLine(contentAnalyzer.GetContent());
            Console.WriteLine("Total Number of negative words: " + contentAnalyzer.GetBannedWordCount());
            Console.WriteLine();

            Console.WriteLine("Press ANY key to exit.");
            Console.ReadKey();
        }
        public void DisableFilteringTest()
        {
            string content        = "bad weather";
            var    mockRepository = new Mock <IContentRepository>();

            mockRepository.Setup(x => x.GetBannedWords()).Returns(new List <string> {
                "bad", "horrible"
            });
            mockRepository.Setup(x => x.GetContent()).Returns(content);
            var contentAnalyser = new ContentAnalyzer(mockRepository.Object);

            Assert.AreEqual("b#d weather", contentAnalyser.GetContent());

            // After filtering is disabled.
            contentAnalyser.SetContentFilteringStatus(false);
            Assert.AreEqual(content, contentAnalyser.GetContent());
        }