public void EmptyListIsValidProtectedIsValid()
{
RegExpDemoObject obj = new RegExpDemoObject();
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "DemoStrings";
List <ValidationResult> validationResults = new List <ValidationResult>();
Validator.TryValidateProperty(obj.DemoStrings, ctx, validationResults).Should().BeTrue();
}
public void EmptyPatternShouldThrow()
{
RegExpDemoObject obj = new RegExpDemoObject();
obj.EmptyRegExPattern.Add("Something");
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "EmptyRegExPattern";
Action act = () => Validator.ValidateProperty(obj.EmptyRegExPattern, ctx);
act.ShouldThrow <InvalidOperationException>("RegEx pattern cannot be empty string.");
}
public void InvalidPatternShouldThrow()
{
RegExpDemoObject obj = new RegExpDemoObject();
obj.InvalidRegExPattern.Add("Something");
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "InvalidRegExPattern";
Action act = () => Validator.ValidateProperty(obj.InvalidRegExPattern, ctx);
act.ShouldThrowExactly <ArgumentException>("Because regex pattern is invalid.");
}
public void ShouldThrowInvalidPropertyTypeUsage()
{
RegExpDemoObject obj = new RegExpDemoObject();
// this needs to be different from null so that the TryValidateProperty doesn't throw ArgumentNullException
obj.InvalidPropertyUsage = "some string";
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "InvalidPropertyUsage";
Action act = () => Validator.ValidateProperty(obj.InvalidPropertyUsage, ctx);
act.ShouldThrow <InvalidOperationException>("Attribute used on a property that doesn't implement IList.");
}
public void PublicIsValidAndProtectedIsValidShouldUseSameImplementationEmptyList()
{
ListRegularExpressionAttribute attr = new ListRegularExpressionAttribute(@"^\d+$");
// actually currently what happens is that list is converted to string and it doesn't match the numeric string pattern
bool publicIsValid = attr.IsValid(new List <string>());
RegExpDemoObject obj = new RegExpDemoObject();
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "DemoStrings";
List <ValidationResult> validationResults = new List <ValidationResult>();
Validator.TryValidateProperty(obj.DemoStrings, ctx, validationResults).Should().Be(publicIsValid);
}
public void ListContainsValidNumericStrings()
{
RegExpDemoObject obj = new RegExpDemoObject();
obj.DemoStrings.Add("555");
obj.DemoStrings.Add("1");
obj.DemoStrings.Add("2017");
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "DemoStrings";
List <ValidationResult> validationResults = new List <ValidationResult>();
Validator.TryValidateProperty(obj.DemoStrings, ctx, validationResults).Should().BeTrue();
}
public void ListContainsValidThreeLetterStrings()
{
RegExpDemoObject obj = new RegExpDemoObject();
obj.ThreeLetterItems = new List <string>()
{
"ana",
"ptv",
"vrk"
};
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "ThreeLetterItems";
List <ValidationResult> validationResults = new List <ValidationResult>();
Validator.TryValidateProperty(obj.ThreeLetterItems, ctx, validationResults).Should().BeTrue();
}
public void ListContainsThreeLetterStringsAndNullShouldntCauseInternalCrash()
{
RegExpDemoObject obj = new RegExpDemoObject();
obj.ThreeLetterItems = new List <string>()
{
"ana",
"ptv",
"vrk",
null
};
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "ThreeLetterItems";
Action act = () => Validator.ValidateProperty(obj.ThreeLetterItems, ctx);
act.ShouldNotThrow <NullReferenceException>("Code shouldn't crash to the null value but check for nulls.");
}
public void ListContainsInvalidThreeLetterStrings()
{
RegExpDemoObject obj = new RegExpDemoObject();
obj.ThreeLetterItems = new List <string>()
{
"ana",
"ptv",
"vrk",
"IS"
};
ValidationContext ctx = new ValidationContext(obj);
ctx.MemberName = "ThreeLetterItems";
List <ValidationResult> validationResults = new List <ValidationResult>();
Validator.TryValidateProperty(obj.ThreeLetterItems, ctx, validationResults).Should().BeFalse("Because 'IS' is not a three letter string.");
}
