public void ValidateProps_ShouldReturnInvalid_WhenTooManyPropsSpecified()
{
// Arrange
int[] propsCounts = _fixture.CreateMany <int>(2).ToArray();
int presentedPropsCount = propsCounts.Max();
int requiredPropsCount = propsCounts.Min();
string[] presentedProps = _fixture.CreateMany <string>(presentedPropsCount).ToArray();
string[] requiredProps = presentedProps.Take(requiredPropsCount).ToArray();
Dictionary <string, double> figureProps = presentedProps.ToDictionary(prop => prop, _ => _fixture.Create <double>());
TestFigureDescriptor descriptor = CreateDescriptor(requiredProps);
// Act
ValidationResult validationResult = descriptor.ValidateProps(figureProps);
// Assert
Assert.NotNull(validationResult);
Assert.False(validationResult.IsValid);
Assert.Equal(presentedPropsCount - requiredPropsCount, validationResult.Errors.Count);
Assert.All(validationResult.Errors, failure => Assert.Contains(failure.PropertyName, presentedProps));
Assert.All(validationResult.Errors, failure => Assert.Contains("is redundant", failure.ErrorMessage));
Assert.Equal(0, descriptor.ValidatePropsValuesCalledCount);
}
public void ValidateProps_ShouldReturnValid_WhenAllPropsSpecified()
{
// Arrange
string[] requiredProps = _fixture.CreateMany <string>().ToArray();
Dictionary <string, double> figureProps = requiredProps.ToDictionary(prop => prop, _ => _fixture.Create <double>());
TestFigureDescriptor descriptor = CreateDescriptor(requiredProps);
// Act
ValidationResult validationResult = descriptor.ValidateProps(figureProps);
// Assert
Assert.NotNull(validationResult);
Assert.True(validationResult.IsValid);
Assert.Equal(1, descriptor.ValidatePropsValuesCalledCount);
}