public void ShouldDifferentiateLambdas()
{
//Although the 2 expressions are very similar, the comparer should not be fooled.
var exp1 = ExpressionHelper.New <Foo, int>(a => a.Value);
var exp2 = ExpressionHelper.New <Foo2, int>(a => a.Value);
AssertNotEqual(exp1, exp2, CreateComparer());
}
public void ShouldShortCircuit()
{
var en2 = new Engine(_en1);
en2.For <Member>()
.MustPassGenericRule(m => { throw new AssertFailedException("Should have short-circuited."); });
var member1 = new Member(null);
var memberNameExp = ExpressionHelper.New <Member, string>(mm => mm.Name);
var report = new ValidationReport();
//Only short-circuit here would work...Others would throw exception...
_en1.Validate(member1, report, ValidationReportDepth.ShortCircuit);
}
public void ShouldValidateAllItemsInEnumeration()
{
var member1 = new Member(null);
var member2 = new Member(null);
var club = new Club(new Member("president"), member1, member2);
var report = new ValidationReport();
_en1.Validate(club, report, ValidationReportDepth.FieldShortCircuit);
var memberNameExp = new EquatableExpression(ExpressionHelper.New <Member, string>(mm => mm.Name));
Assert.IsTrue(report.HasError(member1, memberNameExp), "Expected validation failure for member1. Name was null...");
Assert.IsTrue(report.HasError(member2, memberNameExp), "Expected validation failure for member2. Name was null...");
}
public void ShouldSkipValidationWhenShortCircuiting()
{
var president = new Member(null);
var club = new Club(president);
var report = new ValidationReport();
var memberNameExp = new EquatableExpression(ExpressionHelper.New <Member, string>(mm => mm.Name));
var presidentExp = new EquatableExpression(ExpressionHelper.New <Club, Member>(cc => cc.President));
//Report an error on the President expression...
report.AddError(new ValidationError(new EqualRule <int>(2), presidentExp, new object[0], club));
_en1.Validate(club, report, ValidationReportDepth.FieldShortCircuit);
//because an error has already been reported on the club's president, the member's name rule would not have been invoked
Assert.IsFalse(report.HasError(president, memberNameExp));
//Now try this again without short-circuiting
_en1.Validate(club, report, ValidationReportDepth.All);
Assert.IsTrue(report.HasError(president, memberNameExp));
}
public void ShouldThrowArgumentException()
{
//NOTE: Can only accept Func's with 1 parameter.
new EquatableExpression(ExpressionHelper.New <ClassA, int, int>((a, b) => 123));
}
