public void CreateWithStringRequestConstrainedbyMinLengthReturnsCorrectResult(int min)
{
// Arrange
var minLengthAttribute = new MinLengthAttribute(min);
var request = new FakeMemberInfo(
new ProvidedAttribute(minLengthAttribute, true));
var expectedRequest = new ConstrainedStringRequest(min, int.MaxValue);
var expectedResult = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedResult : new NoSpecimen()
};
var sut = new MinAndMaxLengthAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = r => typeof(string)
}
};
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void SutIsSpecimenBuilder()
{
// Act
var sut = new MinAndMaxLengthAttributeRelay();
// Assert
Assert.IsAssignableFrom <ISpecimenBuilder>(sut);
}
public void CreateWithNullContextThrows()
{
// Arrange
var sut = new MinAndMaxLengthAttributeRelay();
var dummyRequest = new object();
// Act & assert
Assert.Throws <ArgumentNullException>(() =>
sut.Create(dummyRequest, null));
}
public void CreateWithNullRequestReturnsCorrectResult()
{
// Arrange
var sut = new MinAndMaxLengthAttributeRelay();
// Act
var dummyContext = new DelegatingSpecimenContext();
var result = sut.Create(null, dummyContext);
// Assert
Assert.Equal(new NoSpecimen(), result);
}
public void CreateWithNonConstrainedStringRequestReturnsCorrectResult(object request)
{
// Arrange
var sut = new MinAndMaxLengthAttributeRelay();
// Act
var dummyContext = new DelegatingSpecimenContext();
var result = sut.Create(request, dummyContext);
// Assert
var expectedResult = new NoSpecimen();
Assert.Equal(expectedResult, result);
}
public void CreateWithFiniteSequenceRequestConstrainedbyMinAndMaxLengthReturnsCorrectResult(int min, int max)
{
// Arrange
var memberType = typeof(string[]);
var randomNumberWithinRange = (min + max) / 2;
var minLengthAttribute = new MinLengthAttribute(min);
var maxLengthAttribute = new MaxLengthAttribute(max);
var request = new FakeMemberInfo(
new ProvidedAttribute(minLengthAttribute, true),
new ProvidedAttribute(maxLengthAttribute, true));
var expectedRangedNumberRequest = new RangedNumberRequest(typeof(int), min, max);
var expectedFiniteSequenceRequest = new FiniteSequenceRequest(
memberType.GetElementType(),
randomNumberWithinRange);
var expectedResult = new List <string>();
var context = new DelegatingSpecimenContext
{
OnResolve = r =>
{
if (r.Equals(expectedRangedNumberRequest))
{
return(randomNumberWithinRange);
}
if (r.Equals(expectedFiniteSequenceRequest))
{
return(expectedResult);
}
return(new NoSpecimen());
}
};
var sut = new MinAndMaxLengthAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = r => memberType
}
};
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void CreateWithAnonymousRequestReturnsCorrectResult()
{
// Arrange
var sut = new MinAndMaxLengthAttributeRelay();
var dummyRequest = new object();
// Act
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(dummyRequest, dummyContainer);
// Assert
var expectedResult = new NoSpecimen();
Assert.Equal(expectedResult, result);
}
public void CreateWithRangedSequenceRequestConstrainedByMaxLengthReturnsCorrectResult(int max)
{
// Arrange
var memberType = typeof(string[]);
var maxLengthAttribute = new MaxLengthAttribute(max);
var request = new FakeMemberInfo(
new ProvidedAttribute(maxLengthAttribute, true));
var expectedRangedSequenceRequest = new RangedSequenceRequest(typeof(string), 1, max);
var expectedResult = new List <string>();
var context = new DelegatingSpecimenContext
{
OnResolve = r =>
{
if (expectedRangedSequenceRequest.Equals(r))
{
return(expectedResult);
}
return(new NoSpecimen());
}
};
var sut = new MinAndMaxLengthAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = r => memberType
}
};
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void WhenMaxValueIsGreaterThen0MinShouldBeEqualToAtLeast1(int min, int max, int expectedMin)
{
// Arrange
var minLengthAttribute = new MinLengthAttribute(min);
var maxLengthAttribute = new MaxLengthAttribute(max);
var request = new FakeMemberInfo(
new ProvidedAttribute(minLengthAttribute, true),
new ProvidedAttribute(maxLengthAttribute, true));
ConstrainedStringRequest actualRequest = null;
var context = new DelegatingSpecimenContext
{
OnResolve = r =>
{
actualRequest = (ConstrainedStringRequest)r;
return(new object());
}
};
var sut = new MinAndMaxLengthAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = r => typeof(string)
}
};
// Act
sut.Create(request, context);
// Assert
var expectedRequest = new ConstrainedStringRequest(expectedMin, max);
Assert.Equal(expectedRequest, actualRequest);
}
