public void CanPrintMessage()
{
var fixture = new Fixture();
var messages = fixture.CreateMany<Message>(5);
var mockDateTimeHelper = new Mock<IDateTimeHelper>();
var mockPrinterHelper = new Mock<IPrinterHelper>();
mockDateTimeHelper.Setup(d => d.CurrentDateTime).Returns(DateTime.UtcNow);
var messagePrinterService = new MessagePrinterService(mockDateTimeHelper.Object, mockPrinterHelper.Object);
messagePrinterService.PrintMessage(messages);
mockPrinterHelper.Verify(p => p.WriteLine(It.IsAny<string>()), Times.Exactly(5));
}
public void CanPrintMessageDescByDate()
{
var fixture = new Fixture();
var messages = fixture.CreateMany<Message>(5);
var results = new List<string>();
var mockDateTimeHelper = new Mock<IDateTimeHelper>();
var mockPrinterHelper = new Mock<IPrinterHelper>();
mockDateTimeHelper.Setup(d => d.CurrentDateTime).Returns(DateTime.UtcNow);
mockPrinterHelper.Setup(p => p.WriteLine(It.IsAny<string>())).Callback<string>(s => results.Add(s));
var messagePrinterService = new MessagePrinterService(mockDateTimeHelper.Object, mockPrinterHelper.Object);
messagePrinterService.PrintMessage(messages);
Assert.IsTrue(results[0].Contains(messages.OrderByDescending(m => m.CreatedDate).ElementAt(0).Text));
Assert.IsTrue(results[1].Contains(messages.OrderByDescending(m => m.CreatedDate).ElementAt(1).Text));
Assert.IsTrue(results[2].Contains(messages.OrderByDescending(m => m.CreatedDate).ElementAt(2).Text));
Assert.IsTrue(results[3].Contains(messages.OrderByDescending(m => m.CreatedDate).ElementAt(3).Text));
Assert.IsTrue(results[4].Contains(messages.OrderByDescending(m => m.CreatedDate).ElementAt(4).Text));
}
