public void Error_GivenCollectionOfErrors_ReturnsRuleOperationResultWithErrorsAndNoSuccess()
{
// Arrange
IEnumerable <string> errors = new[] { "Error1", "Error2" };
// Act
RuleOperationResult ruleOperationResult = RuleOperationResult.Error(errors);
// Assert
ruleOperationResult.Should().NotBeNull();
ruleOperationResult.IsSuccess.Should().BeFalse();
ruleOperationResult.Errors.Should().BeSameAs(errors);
}
public void Error_GivenNullCollectionOfErrors_ThrowsArgumentNullException()
{
// Arrange
IEnumerable <string> errors = null;
// Act
ArgumentNullException argumentNullException = Assert.Throws <ArgumentNullException>(() => RuleOperationResult.Error(errors));
// Assert
argumentNullException.Should().NotBeNull();
argumentNullException.ParamName.Should().Be(nameof(errors));
}