public void Test_Verify_Succeeds_If_Correct_Method_Calls()
{
// Arrange
var stub = new StubILogWriter();
var mock = stub.AsMock();
// Act
((ILogWriter)stub).Write("42");
// Assert
mock.Verify(lw => lw.Write(It.IsAny<string>()));
}
public void Test_WriteLine_Calls_Write_With_Appropriate_Argument()
{
// Arrange
var stub = new StubILogWriter();
var mock = stub.AsMock();
var logger = new Logger(stub);
// Act
logger.Write("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_With_Any_Of_String()
{
// StubILogWriter : StubBase<ILogWriter>, ILogWriter
// Arrange
var stub = new StubILogWriter();
Mock<ILogWriter> mock = stub.AsMock();
var logger = new Logger(stub);
// Act
logger.Write("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 stub = new StubILogWriter();
var mock = stub.AsMock();
var logger = new Logger(mock.Object);
// Act
logger.Write("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 stub = new StubILogWriter();
var mock = stub.AsMock();
mock.Setup(lw => lw.Write(It.IsAny<string>()));
mock.Setup(lw => lw.Write(It.IsAny<int>()));
var logger = new Logger(mock.Object);
// Act
logger.Write("Hello, logger!");
logger.Write(42);
// Assert
// We're not explicitly stated what we're expecting.
// mock.Setup expectations would be use.
mock.Verify();
}
public void Test_WriteLine_Never_Calls_Write_Int()
{
// Arrange
var stub = new StubILogWriter();
var mock = stub.AsMock();
var logger = new Logger(mock.Object);
// Act
logger.Write("Hello, logger");
// Assert
mock.Verify(lw => lw.Write(It.IsAny<int>()), Times.Never());
}
public void Test_Write_Int_Calls_Write_With_Argument_In_Specific_Interval()
{
// Arrange
var stub = new StubILogWriter();
var mock = stub.AsMock();
var logger = new Logger(mock.Object);
// Act
logger.Write(42);
// Assert
mock.Verify(lw => lw.Write(It.IsInRange(40, 50)));
}