public void RequestForEnumTypeReturnsResultAsString(
Type enumType, int requestCount, string expectedResult)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var dummyContext = new DelegatingSpecimenContext();
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => typeof(string)
}
};
// Act
var result = Enumerable
.Repeat <Func <object> >(() => sut.Create(request, dummyContext), requestCount)
.Select(f => f()).ToArray().Last();
// Assert
Assert.Equal(expectedResult, result);
}
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 CanCorrectlyInterleaveDifferentEnumTypes(Type enumType, string expectedResult)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var dummyContext = new DelegatingSpecimenContext();
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => typeof(string)
}
};
var triStateEnumDataTypeAttribute = new EnumDataTypeAttribute(typeof(TriState));
var triStateProvidedAttribute = new ProvidedAttribute(triStateEnumDataTypeAttribute, true);
var dayOfWeekEnumDataTypeAttribute = new EnumDataTypeAttribute(typeof(DayOfWeek));
var dayOfWeekProvidedAttribute = new ProvidedAttribute(dayOfWeekEnumDataTypeAttribute, true);
sut.Create(new FakeMemberInfo(triStateProvidedAttribute), dummyContext);
sut.Create(new FakeMemberInfo(triStateProvidedAttribute), dummyContext);
sut.Create(new FakeMemberInfo(dayOfWeekProvidedAttribute), dummyContext);
// Act
var result = sut.Create(request, dummyContext);
// Assert
Assert.Equal(expectedResult, result);
}
public FakeParameterInfo(Type parameterType, Attribute attribute)
{
ClassImpl = parameterType;
_attribute = attribute;
AttrsImpl = ParameterAttributes.In;
NameImpl = "?";
MemberImpl = new FakeMemberInfo();
}
public void Equals_False_DifferentModules()
{
var one = new FakeMemberInfo(typeof(object), 1, typeof(object).Module);
var two = new FakeMemberInfo(one.DeclaringType, one.MetadataToken, typeof(MemberInfoEqualityComparerTest).Module);
var result = MemberInfoEqualityComparer <FakeMemberInfo> .Instance.Equals(one, two);
Assert.That(result, Is.False);
}
public void Equals_False_DifferentTypes()
{
var one = typeof(ClassWithMethods).GetMethod("SimpleMethod1");
var two = new FakeMemberInfo(typeof(string), one.MetadataToken, one.Module);
var result = MemberInfoEqualityComparer <MemberInfo> .Instance.Equals(one, two);
Assert.That(result, Is.False);
}
public void GetHashcode_NullDeclaringType()
{
var one = new FakeMemberInfo(null, 1, typeof(object).Module);
var two = new FakeMemberInfo(null, 1, typeof(object).Module);
Assert.That(one.DeclaringType, Is.SameAs(two.DeclaringType));
Assert.That(
MemberInfoEqualityComparer <FakeMemberInfo> .Instance.GetHashCode(one),
Is.EqualTo(MemberInfoEqualityComparer <FakeMemberInfo> .Instance.GetHashCode(two)));
}
public void Equals_True_NullDeclaringType()
{
var one = new FakeMemberInfo(null, 1, typeof(object).Module);
var two = new FakeMemberInfo(null, 1, typeof(object).Module);
Assert.That(one.DeclaringType, Is.SameAs(two.DeclaringType));
var result = MemberInfoEqualityComparer <FakeMemberInfo> .Instance.Equals(one, two);
Assert.That(result, Is.True);
}
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 ReturnsNoSpecimenWhenEnumGeneratorReturnsNoSpecimen(Type enumType)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var enumGenerator = new DelegatingSpecimenBuilder
{
OnCreate = (_, _) => new NoSpecimen()
};
var sut = new EnumDataTypeAttributeRelay(enumGenerator);
// Act
var actual = sut.Create(request, null);
// Assert
Assert.IsType <NoSpecimen>(actual);
}
public void CreateWithRegularExpressionAttributeRequestReturnsCorrectResult(string pattern)
{
// Arrange
var regularExpressionAttribute = new RegularExpressionAttribute(pattern);
var providedAttribute = new ProvidedAttribute(regularExpressionAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var expectedRequest = new RegularExpressionRequest(regularExpressionAttribute.Pattern);
var expectedResult = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedResult : new NoSpecimen()
};
var sut = new RegularExpressionAttributeRelay();
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void RequestForEnumWithNoValuesThrows()
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(typeof(EmptyEnum));
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var dummyContext = new DelegatingSpecimenContext();
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => typeof(string)
}
};
// Act & assert
Assert.Throws <ObjectCreationException>(() => sut.Create(request, dummyContext));
}
public void CreateWithConstrainedStringRequestReturnsCorrectResult(int maximum)
{
// Arrange
var stringLengthAttribute = new StringLengthAttribute(maximum);
var providedAttribute = new ProvidedAttribute(stringLengthAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var expectedRequest = new ConstrainedStringRequest(stringLengthAttribute.MaximumLength);
var expectedResult = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedResult : new NoSpecimen()
};
var sut = new StringLengthAttributeRelay();
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void CreateWithRegularExpressionAttributeRequestReturnsCorrectResult(string pattern)
{
// Fixture setup
var regularExpressionAttribute = new RegularExpressionAttribute(pattern);
var providedAttribute = new ProvidedAttribute(regularExpressionAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var expectedRequest = new RegularExpressionRequest(regularExpressionAttribute.Pattern);
var expectedResult = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedResult : new NoSpecimen()
};
var sut = new RegularExpressionAttributeRelay();
// Exercise system
var result = sut.Create(request, context);
// Verify outcome
Assert.Equal(expectedResult, result);
// Teardown
}
public void ReturnsNoSpecimenWhenResolverReturnsNoSpecimen(Type enumType)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => null
}
};
// Act
var actual = sut.Create(request, null);
// Assert
Assert.IsType <NoSpecimen>(actual);
}
public void CreateWithRangeAttributeRequestReturnsCorrectResult(Type type, object minimum, object maximum)
{
// Arrange
var rangeAttribute = new RangeAttribute(type, minimum.ToString(), maximum.ToString());
var providedAttribute = new ProvidedAttribute(rangeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
Type conversionType = rangeAttribute.OperandType;
var expectedRequest = new RangedRequest(conversionType, conversionType, rangeAttribute.Minimum,
rangeAttribute.Maximum);
var expectedResult = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedResult : new NoSpecimen()
};
var sut = new RangeAttributeRelay();
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void RequestReturnsExpectedResultForEnumMemberType(Type enumType, Type memberType, object expectedResult)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var dummyContext = new DelegatingSpecimenContext();
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => memberType
}
};
// Act
var actual = sut.Create(request, dummyContext);
// Assert
Assert.Equal(expectedResult, actual);
}
public void ReturnsNoSpecimenResultForCustomClassMemberType(Type enumType, Type memberType)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var dummyContext = new DelegatingSpecimenContext();
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => memberType
}
};
// Act
var actual = sut.Create(request, dummyContext);
// Assert
Assert.IsType <NoSpecimen>(actual);
}
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 CreateWithStringRequestConstrainedbyMinimunLengthReturnsCorrectResult(int maximum)
{
// Fixture setup
var stringLengthAttribute = new StringLengthAttribute(maximum)
{
MinimumLength = 1
};
var providedAttribute = new ProvidedAttribute(stringLengthAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var expectedRequest = new ConstrainedStringRequest(stringLengthAttribute.MinimumLength, stringLengthAttribute.MaximumLength);
var expectedResult = new object();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedRequest.Equals(r) ? expectedResult : new NoSpecimen()
};
var sut = new StringLengthAttributeRelay();
// Exercise system
var result = sut.Create(request, context);
// Verify outcome
Assert.Equal(expectedResult, result);
// Teardown
}
public void RequestReturnsCorrectTypeForDifferentMemberTypes(
Type enumType, Type memberType)
{
// Arrange
var enumDataTypeAttribute = new EnumDataTypeAttribute(enumType);
var providedAttribute = new ProvidedAttribute(enumDataTypeAttribute, true);
var request = new FakeMemberInfo(providedAttribute);
var dummyContext = new DelegatingSpecimenContext();
var sut = new EnumDataTypeAttributeRelay
{
RequestMemberTypeResolver = new DelegatingRequestMemberTypeResolver
{
OnTryGetMemberType = _ => memberType
}
};
// Act
var result = sut.Create(request, dummyContext);
// Assert
Assert.IsType(memberType, 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);
}
