public void PropertyName_ThrowsArgumentNullException_WhenThisArgIsNull()
{
FakeStringLengthCommand owner = null;
// ReSharper disable ExpressionIsAlwaysNull
var exception = Assert.Throws <ArgumentNullException>(() => owner.PropertyName(x => x.StringProperty));
// ReSharper restore ExpressionIsAlwaysNull
exception.ShouldNotBeNull();
exception.ParamName.ShouldEqual("owner");
}
public void IsValid_WhenString_IsNull()
{
var command = new FakeStringLengthCommand { StringProperty = null };
var validator = new FakeStringMaxLengthValidator(5);
var result = validator.Validate(command);
result.IsValid.ShouldBeTrue();
Func<ValidationFailure, bool> maxLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Any(maxLengthError).ShouldBeFalse();
validator.ShouldNotHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}
public void IsValid_WhenString_IsNull()
{
var command = new FakeStringLengthCommand {
StringProperty = null
};
var validator = new FakeStringMaxLengthValidator(5);
var result = validator.Validate(command);
result.IsValid.ShouldBeTrue();
Func <ValidationFailure, bool> maxLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Any(maxLengthError).ShouldBeFalse();
validator.ShouldNotHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}
public void IsValid_WhenStringLength_IsLessThanMaxLength()
{
var command = new FakeStringLengthCommand {
StringProperty = Guid.NewGuid().ToString()
};
var validator = new FakeStringMaxLengthValidator(command.StringProperty.Length + 1);
var result = validator.Validate(command);
result.IsValid.ShouldBeTrue();
Func <ValidationFailure, bool> maxLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Any(maxLengthError).ShouldBeFalse();
validator.ShouldNotHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}
public void IsInvalid_WhenStringLength_IsGreaterThanMaxLength()
{
var command = new FakeStringLengthCommand { StringProperty = "asdf" };
var validator = new FakeStringMaxLengthValidator(3);
var result = validator.Validate(command);
result.IsValid.ShouldBeFalse();
Func<ValidationFailure, bool> maxLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Count(maxLengthError).ShouldEqual(1);
result.Errors.Single(maxLengthError).ErrorMessage.ShouldEqual(Resources.Validation_MaxLength
.Replace("{PropertyName}", "String Property")
.Replace("{MaxLength}", "3")
.Replace("{TotalLength}", command.StringProperty.Length.ToString(CultureInfo.InvariantCulture))
);
validator.ShouldHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}
public void IsInvalid_WhenStringLength_IsGreaterThanMaxLength()
{
var command = new FakeStringLengthCommand {
StringProperty = "asdf"
};
var validator = new FakeStringMaxLengthValidator(3);
var result = validator.Validate(command);
result.IsValid.ShouldBeFalse();
Func <ValidationFailure, bool> maxLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Count(maxLengthError).ShouldEqual(1);
result.Errors.Single(maxLengthError).ErrorMessage.ShouldEqual(Resources.Validation_MaxLength
.Replace("{PropertyName}", "String Property")
.Replace("{MaxLength}", "3")
.Replace("{TotalLength}", command.StringProperty.Length.ToString(CultureInfo.InvariantCulture))
);
validator.ShouldHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}
public void IsInvalid_WhenStringLength_IsLessThanMinLength(string value, int minLength)
{
var command = new FakeStringLengthCommand { StringProperty = value };
var validator = new FakeStringMinLengthValidator(minLength);
var result = validator.Validate(command);
result.IsValid.ShouldBeFalse();
Func<ValidationFailure, bool> minLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Count(minLengthError).ShouldEqual(1);
result.Errors.Single(minLengthError).ErrorMessage.ShouldEqual(Resources.Validation_MinLength
.Replace("{PropertyName}", "String Property")
.Replace("{MinLength}", minLength.ToString(CultureInfo.InvariantCulture))
.Replace("{TotalLength}", command.StringProperty.Length.ToString(CultureInfo.InvariantCulture))
.Replace("{Characters}", value.Length == 1
? Resources.Validation_CharacterLower
: Resources.Validation_CharactersLower)
);
validator.ShouldHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}
public void IsInvalid_WhenStringLength_IsLessThanMinLength(string value, int minLength)
{
var command = new FakeStringLengthCommand {
StringProperty = value
};
var validator = new FakeStringMinLengthValidator(minLength);
var result = validator.Validate(command);
result.IsValid.ShouldBeFalse();
Func <ValidationFailure, bool> minLengthError = x => x.PropertyName == command.PropertyName(y => y.StringProperty);
result.Errors.Count(minLengthError).ShouldEqual(1);
result.Errors.Single(minLengthError).ErrorMessage.ShouldEqual(Resources.Validation_MinLength
.Replace("{PropertyName}", "String Property")
.Replace("{MinLength}", minLength.ToString(CultureInfo.InvariantCulture))
.Replace("{TotalLength}", command.StringProperty.Length.ToString(CultureInfo.InvariantCulture))
.Replace("{Characters}", value.Length == 1
? Resources.Validation_CharacterLower
: Resources.Validation_CharactersLower)
);
validator.ShouldHaveValidationErrorFor(x => x.StringProperty, command.StringProperty);
}