public void ShouldNotReturnValueIfOmitted()
{
// Arrange
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithParameterlessMethod>();
var call = CallHelper.CreateCallMock(() => target.Method());
specimenContext.Resolve(typeof(string)).Returns(new OmitSpecimen());
// Act
var result = sut.ResolveResult(call);
// Assert
Assert.False(result.ReturnValue.HasValue());
}
public void ShouldNotReturnValueIfOmitted()
{
// Fixture setup
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithParameterlessMethod>();
var call = CallHelper.CreateCallMock(() => target.Method());
specimenContext.Resolve(typeof(string)).Returns(new OmitSpecimen());
// Exercise system
var result = sut.ResolveResult(call);
// Verify outcome
Assert.False(result.ReturnValue.HasValue());
// Teardown
}
public void ShouldResolveRefParameterValue()
{
// Arrange
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithRefIntMethod>();
int passedValue = 1;
var call = CallHelper.CreateCallMock(() => target.Method(ref passedValue));
specimenContext.Resolve(typeof(int)).Returns(42);
// Act
var callResult = sut.ResolveResult(call);
// Assert
Assert.Single(callResult.ArgumentValues);
Assert.Equal(0, callResult.ArgumentValues.First().Index);
Assert.Equal(42, callResult.ArgumentValues.First().Value);
}
public void ShouldUseTypeRequestToResolveReturnValue()
{
// Arrange
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithParameterlessMethod>();
var call = CallHelper.CreateCallMock(() => target.Method());
var returnValue = "returnResult";
specimenContext.Resolve(typeof(string)).Returns(returnValue);
// Act
var callResult = sut.ResolveResult(call);
// Assert
Assert.True(callResult.ReturnValue.HasValue());
Assert.Equal(returnValue, callResult.ReturnValue.ValueOrDefault());
}
public void ShouldNotResolveArgumentValueIfOmitted()
{
// Arrange
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithRefIntMethod>();
int ignored = 0;
var call = CallHelper.CreateCallMock(() => target.Method(ref ignored));
specimenContext.Resolve(typeof(int)).Returns(new OmitSpecimen());
// Act
var result = sut.ResolveResult(call);
// Assert
Assert.True(result.ReturnValue.HasValue());
Assert.Empty(result.ArgumentValues);
}
public void ShouldUsePropertyInfoRequestToResolvePropertyValue()
{
// Arrange
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithProperty>();
var call = CallHelper.CreatePropertyGetterCallMock(() => target.Property);
var propertyInfo = typeof(IInterfaceWithProperty).GetProperty(nameof(IInterfaceWithProperty.Property));
var retValue = "returnValue";
specimenContext.Resolve(propertyInfo).Returns(retValue);
// Act
var result = sut.ResolveResult(call);
// Assert
Assert.True(result.ReturnValue.HasValue());
Assert.Equal(retValue, result.ReturnValue.ValueOrDefault());
}
public void ShouldResolveOutParameterValue()
{
// Fixture setup
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithParameterAndOutVoidMethod>();
int _;
var call = CallHelper.CreateCallMock(() => target.Method(null, out _));
specimenContext.Resolve(typeof(int)).Returns(42);
// Exercise system
var callResult = sut.ResolveResult(call);
// Verify outcome
Assert.Single(callResult.ArgumentValues);
Assert.Equal(1, callResult.ArgumentValues.First().Index);
Assert.Equal(42, callResult.ArgumentValues.First().Value);
// Teardown
}
public void ShouldNotResolveArgumentValueIfOmitted()
{
// Fixture setup
var specimenContext = Substitute.For <ISpecimenContext>();
var sut = new CallResultResolver(specimenContext);
var target = Substitute.For <IInterfaceWithRefIntMethod>();
int _ = 0;
var call = CallHelper.CreateCallMock(() => target.Method(ref _));
specimenContext.Resolve(typeof(int)).Returns(new OmitSpecimen());
// Exercise system
var result = sut.ResolveResult(call);
// Verify outcome
Assert.True(result.ReturnValue.HasValue());
Assert.Empty(result.ArgumentValues);
// Teardown
}
