public void MockedReturnStringReturnsJohnThenJohnnyThenJohnson()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.ReturnString(Arg.AnyString)).Returns("John").InSequence();
Mock.Arrange(() => mock.ReturnString(Arg.AnyString)).Returns("Johnny").InSequence();
Mock.Arrange(() => mock.ReturnString(Arg.AnyString)).Returns("Johnson").InSequence();
//Act
string result1 = mock.ReturnString("");
string result2 = mock.ReturnString("");
string result3 = mock.ReturnString("");
//Assert
Assert.AreEqual("John",result1);
Assert.AreEqual("Johnny",result2);
Assert.AreEqual("Johnson", result3);
}
public void MockedAddReturnsOneThenTwoThenThree()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Add(Arg.AnyInt, Arg.AnyInt)).Returns(1).InSequence();
Mock.Arrange(() => mock.Add(Arg.AnyInt, Arg.AnyInt)).Returns(2).InSequence();
Mock.Arrange(() => mock.Add(Arg.AnyInt, Arg.AnyInt)).Returns(3).InSequence();
//Act
int result1 = mock.Add(3, 56);
int result2 = mock.Add(234, 234);
int result3 = mock.Add(254, 987);
//Assert
Assert.AreEqual(1,result1);
Assert.AreEqual(2,result2);
Assert.AreEqual(3,result3);
Mock.Assert(mock);
}
public void MockedAddReturnsOnlyMockedResultsWhenTheFirstNumberIsBiggerThanTenAndOriginalMustBeCalled()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Add(Arg.Matches<int>(x => x > 10), Arg.AnyInt)).Returns(1).InSequence();
Mock.Arrange(() => mock.Add(Arg.Matches<int>(x => x > 10), Arg.AnyInt)).Returns(2).InSequence();
//Test fails if mock.Add(Arg.AnyInt,Arg.AnyInt) is mocked with CallOriginal()
Mock.Arrange(() => mock.Add(Arg.Matches<int>(x => x < 10), Arg.AnyInt)).CallOriginal().MustBeCalled();
//Act
int firstMockedResult = mock.Add(234, 54);
int notMockedResult = mock.Add(3, 54);
int secondMockedResult = mock.Add(45, 23);
//Assert
Assert.AreEqual(1, firstMockedResult);
Assert.AreNotEqual(1, notMockedResult);
Assert.AreNotEqual(2, notMockedResult);
Assert.AreEqual(2,secondMockedResult);
}
public void MockedAddReturns7IfCalledWithArguments1And1()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Add(1, 1))
.Returns(7)
.OccursOnce();
//Act
var result = mock.Add(1, 1);
//Assert
Assert.AreEqual(7,result);
Mock.Assert(mock);
}
public void MockedDummyGetsCalledFromAdd()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Dummy(Arg.AnyString))
.OccursOnce();
//Act
mock.Add(4, 3);
//Assert
Mock.Assert(mock);
}
public void MockedAddArgumentsAreInRangeFrom20To30()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(
() => mock.Add(Arg.IsInRange(20, 30, RangeKind.Inclusive), Arg.IsInRange(20, 30, RangeKind.Inclusive)))
.Returns(2)
.OccursOnce();
//Act
var result = mock.Add(29, 27);
//Assert
Assert.AreEqual(2,result);
Mock.Assert(mock);
}
public void MockedAddThrowsArgumentException()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Add(Arg.IsAny<int>(), Arg.IsAny<int>()))
.Throws(new ArgumentException())
.OccursOnce();
//Act
mock.Add(2, 2);
// Assert
Mock.Assert(mock);
}
public void MockedAddReturns4()
{
//Arrange
int result = 0;
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Add(Arg.IsAny<int>(), Arg.IsAny<int>()))
.DoInstead(() => result = 4)
.OccursOnce();
//Act
mock.Add(3, 3);
//Assert
Assert.AreEqual(result, 4);
Mock.Assert(mock);
}
public void MockedDummySetsCalled()
{
//Arrange
MockSamplesHelper mock = new MockSamplesHelper();
Mock.Arrange(() => mock.Dummy(""))
.DoInstead(() => _called = true)
.OccursOnce();
//Act
mock.Dummy("");
//Assert
Assert.IsTrue(_called);
Mock.Assert(mock);
}