public void ShouldCorrectPassMinimumAndMaximum()
{
// Arrange
var sut = new EnumRangedRequestRelay();
int minimum = 5;
int maximum = 10;
var request = new RangedRequest(typeof(EnumType), typeof(int), minimum, maximum);
RangedNumberRequest capturedNumericRequest = null;
var context = new DelegatingSpecimenContext
{
OnResolve = r =>
{
capturedNumericRequest = (RangedNumberRequest)r;
return(new NoSpecimen());
}
};
// Act
sut.Create(request, context);
// Assert
Assert.NotNull(capturedNumericRequest);
Assert.Equal(minimum, capturedNumericRequest.Minimum);
Assert.Equal(maximum, capturedNumericRequest.Maximum);
}
public void ShouldRespectUnderlyingEnumType(Type enumType, Type underlyingType)
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request =
new RangedRequest(memberType: enumType, operandType: typeof(int), minimum: 1, maximum: 2);
RangedNumberRequest capturedNumericRequest = null;
var context = new DelegatingSpecimenContext
{
OnResolve = r =>
{
capturedNumericRequest = (RangedNumberRequest)r;
return(new NoSpecimen());
}
};
// Act
sut.Create(request, context);
// Assert
Assert.NotNull(capturedNumericRequest);
Assert.Equal(underlyingType, capturedNumericRequest.OperandType);
Assert.IsType(underlyingType, capturedNumericRequest.Minimum);
Assert.IsType(underlyingType, capturedNumericRequest.Maximum);
}
public void ShouldFailForNullContext()
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request = new object();
// Act & Assert
Assert.ThrowsAny <ArgumentNullException>(() =>
sut.Create(request, null));
}
public void ShouldNotHandleRequestIfMemberTypeIsNotEnum()
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request =
new RangedRequest(memberType: typeof(object), operandType: typeof(EnumType), minimum: 0, maximum: 1);
var context = new DelegatingSpecimenContext();
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(new NoSpecimen(), result);
}
public void ShouldReturnNoSpecimenIfUnableToSatisfyRangedRequest()
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request =
new RangedRequest(memberType: typeof(EnumType), operandType: typeof(int), minimum: 1, maximum: 2);
var context = new DelegatingSpecimenContext
{
OnResolve = _ => new NoSpecimen()
};
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(new NoSpecimen(), result);
}
public void ShouldCorrectlyConvertNumericValue(EnumType expectedResult, int numericValue)
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request =
new RangedRequest(memberType: typeof(EnumType), operandType: typeof(int), minimum: 1, maximum: 3);
var context = new DelegatingSpecimenContext
{
OnResolve = _ => numericValue
};
// Act
var result = sut.Create(request, context);
// Assert
Assert.Equal(expectedResult, result);
}
public void ShouldHandleRequestOfEnumType()
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request =
new RangedRequest(memberType: typeof(EnumType), operandType: typeof(int), minimum: 1, maximum: 2);
var result = (int)EnumType.Second;
var context = new DelegatingSpecimenContext
{
OnResolve = _ => result
};
// Act
var actualResult = sut.Create(request, context);
// Assert
Assert.Equal(EnumType.Second, actualResult);
}
public void ShouldSupportRangeForLiteralBoundaries()
{
// Arrange
var sut = new EnumRangedRequestRelay();
var request
= new RangedRequest(typeof(EnumType), typeof(EnumType), nameof(EnumType.First), nameof(EnumType.Third));
var result = (int)EnumType.Second;
var context = new DelegatingSpecimenContext
{
OnResolve = r => r is RangedNumberRequest ? (object)result : new NoSpecimen()
};
// Act
var actualResult = sut.Create(request, context);
// Assert
Assert.Equal(EnumType.Second, actualResult);
}