protected override IExpectation GetExpectation(MethodInfo m, Range r, int actual)
{
IExpectation expectation = new ConstraintsExpectation(new FakeInvocation(m), new AbstractConstraint[0], new Range(1, 1));
SetupExpectation(expectation, r, actual);
return(expectation);
}
private static IExpectation BuildParamExpectation(IInvocation invocation, MethodInfo method)
{
ArgManager.CheckMethodSignature(method);
IExpectation expectation = new ConstraintsExpectation(invocation, ArgManager.GetAllConstraints(), new Range(1, null));
expectation.OutRefParams = ArgManager.GetAllReturnValues();
return(expectation);
}
public ConstraintExpectationTests()
{
method = typeof(IDemo).GetMethod("VoidThreeArgs");
expectation = new ConstraintsExpectation(new FakeInvocation(this.method), new AbstractConstraint[]
{
Is.Anything(),
Text.Like(@"[\w\d]+"),
Is.Equal(3.14f),
}, new Range(1, 1));
}
public void PassingNullConstraintsThrows()
{
Assert.Throws <InvalidOperationException>(
"The constraint at index 1 is null! Use Is.Null() to represent null parameters.",
() =>
expectation = new ConstraintsExpectation(new FakeInvocation(this.method), new AbstractConstraint[]
{
Is.Anything(),
null,
Is.Equal(3.14f),
}, new Range(1, 1)));
}
public void CreateErrorMessageForConstraints()
{
ConstraintsExpectation expectation = new ConstraintsExpectation(new FakeInvocation(this.method), new AbstractConstraint[]
{
Is.Anything(),
Is.Null(),
Text.Like(@"[\w\d]+1234")
}, new Range(1, 1));
string message = "IDemo.VoidThreeArgs(anything, equal to null, like \"[\\w\\d]+1234\");";
Assert.Equal(message, expectation.ErrorMessage);
}
/// <summary>
/// Add constraints for the method's arguments.
/// </summary>
public IMethodOptions <T> Constraints(params AbstractConstraint[] constraints)
{
if (expectation is ConstraintsExpectation)
{
throw new InvalidOperationException(
string.Format("You have already specified constraints for this method. ({0})", this.expectation.ErrorMessage));
}
ConstraintsExpectation constraintsExpectation = new ConstraintsExpectation(expectation, constraints);
ReplaceExpectation(constraintsExpectation);
return(this);
}
