public void WelcomeScreen_ShowsWelcomeMessage()
{
// Arrange
var consoleMock = new Mock <IConsole>();
var socialNetworkConsoleApp = new SocialNetworkConsoleApp(consoleMock.Object);
consoleMock.Setup(m => m.ReadLine()).Returns("exit");
// Act
socialNetworkConsoleApp.Run();
// Assert
consoleMock.Verify(m => m.WriteLine("Welcome to Social Network!"), Times.Once);
}
public void WelcomeScreen_ShowsLoginRequest()
{
// Arrange
var consoleMock = new Mock <IConsole>();
var socialNetworkConsoleApp = new SocialNetworkConsoleApp(consoleMock.Object);
consoleMock.Setup(m => m.ReadLine()).Returns("exit");
// Act
socialNetworkConsoleApp.Run();
// Assert
consoleMock.Verify(m => m.WriteLine("Please, Login to start: Write your user name."), Times.Once);
}
public void WelcomeScreen_ShowsTwoLines()
{
// Arrange
var consoleMock = new Mock <IConsole>();
var socialNetworkConsoleApp = new SocialNetworkConsoleApp(consoleMock.Object);
consoleMock.Setup(m => m.ReadLine()).Returns("exit");
// Act
socialNetworkConsoleApp.Run();
// Assert
consoleMock.Verify(m => m.WriteLine(It.IsAny <string>()), Times.Exactly(2));
}
public void WelcomeScreen_AfterLogin_TheUserIsWelcome()
{
// Arrange
var consoleMock = new Mock <IConsole>();
var socialNetworkConsoleApp = new SocialNetworkConsoleApp(consoleMock.Object);
using var semaphore = new ManualResetEvent(false);
var errorOccurred = false;
var readLines = 0;
consoleMock.Setup(m => m.ReadLine()).
Returns(() =>
{
switch (readLines)
{
case 0:
readLines++;
return("Alice");
case 1:
readLines++;
semaphore.Set();
return("exit");
default:
errorOccurred = true;
return("");
}
});
// Act
Task.Run(() => socialNetworkConsoleApp.RunAsync(CancellationToken.None));
// Assert
semaphore.WaitOne();
Assert.IsFalse(errorOccurred);
consoleMock.Verify(m => m.WriteLine("Welcome Alice!"), Times.Once);
}