public void Test_WriteLine_Calls_Write_With_Appropriate_Argument()
{
// Arrange
var mock = new Mock<ILogWriter>();
var logger = new Logger(mock.Object);
// Act
logger.WriteLine("Hello, logger!");
// Assert
// Checking that Write method was called with appropriate argument
mock.Verify(lw => lw.Write("Hello, logger!"));
}
public void Test_WriteLine_Calls_Write()
{
// Arrange
var mock = new Mock<ILogWriter>();
var logger = new Logger(mock.Object);
// Act
logger.WriteLine("Hello, logger!");
// Assert
// Checking that Write method of the ILogWriter was called
mock.Verify(lw => lw.Write(It.IsAny<string>()));
}
public void Test_WriteLine_Called_Exactly_Once()
{
// Arrange
var mock = new Mock<ILogWriter>();
var logger = new Logger(mock.Object);
// Act
logger.WriteLine("Hello, logger!");
// Assert
// We could check, that particular method calls specified number of times
mock.Verify(lw => lw.Write(It.IsAny<string>()),
Times.Once());
}
public void Test_WriteLine_Calls_Write_With_Setup_Method()
{
// Arrange
var mock = new Mock<ILogWriter>();
mock.Setup(lw => lw.Write(It.IsAny<string>()));
var logger = new Logger(mock.Object);
// Act
logger.WriteLine("Hello, logger!");
// Assert
// We're not explicitly stated what we're expecting.
// mock.Setup expectations would be use.
mock.Verify();
}
public void Test_WriteLine_And_SetLogger_Calls()
{
// By default Moq uses loose verification model, so verify method will
// passed even if we're not explicitly set up all required dependencies.
// In strict mode Verify method will fail if we left some calls in setup method.
// Arrange
var mock = new Mock<ILogWriter>(MockBehavior.Strict);
// Commenting one of the following lines will lead to exception in mock.Verify()
mock.Setup(lw => lw.Write(It.IsAny<string>()));
mock.Setup(lw => lw.SetLogger(It.IsAny<string>()));
var logger = new Logger(mock.Object);
// Act
logger.WriteLine("Hello, logger!");
// Assert
mock.Verify();
}