public void Valid_Parent_Fails_When_Successor_Fails_Validation()
{
var rule1 = new TrueRule().IfValidThenValidate(new FalseRule1()).Validate();
rule1.IsValid.ShouldBe(false);
rule1.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void Allows_access_to_successor_rules_via_IRulesContainer_interface()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new FalseRule2())
.IfValidThenValidate
(
new TrueRule().IfValidThenValidate(new FalseRule1()),
new FalseRule3()
);
rule.GetSuccessors().Count().ShouldBe(2);
var firstSuccessor = rule.GetSuccessors().First();
firstSuccessor.Rules.Count().ShouldBe(2);
firstSuccessor.Rules.First().ShouldBeOfType <TrueRule>();
firstSuccessor.Rules.Second().ShouldBeOfType <FalseRule2>();
var secondSuccessor = rule.GetSuccessors().Second();
secondSuccessor.Rules.Count().ShouldBe(2);
secondSuccessor.Rules.First().ShouldBeOfType <TrueRule>();
secondSuccessor.Rules.First().GetSuccessors().Count().ShouldBe(1);
secondSuccessor.Rules.First().GetSuccessors().First().Rules.First().ShouldBeOfType <FalseRule1>();
secondSuccessor.Rules.Second().ShouldBeOfType <FalseRule3>();
}
public void Allows_access_to_successor_rules_via_IRulesContainer_interface()
{
var output = string.Empty;
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new FalseRule2())
.IfValidThenValidate
(
new TrueRule().IfValidThenValidate(new FalseRule1()),
new FalseRule3()
);
var successors = (rule as IRulesContainer).Rules;
successors.Count.ShouldBe(2);
var firstSuccessors = successors.First();
firstSuccessors.Count().ShouldBe(2);
firstSuccessors.First().ShouldBeOfType <TrueRule>();
(firstSuccessors.First() as IRulesContainer).Rules.Count().ShouldBe(0);
firstSuccessors.Last().ShouldBeOfType <FalseRule2>();
(firstSuccessors.Last() as IRulesContainer).Rules.Count().ShouldBe(0);
var lastSuccessors = successors.Last();
lastSuccessors.Count().ShouldBe(2);
lastSuccessors.First().ShouldBeOfType <TrueRule>();
(lastSuccessors.First() as IRulesContainer).Rules.Count().ShouldBe(1);
(lastSuccessors.First() as IRulesContainer).Rules.First().First().ShouldBeOfType <FalseRule1>();
lastSuccessors.Last().ShouldBeOfType <FalseRule3>();
}
public void Three_Rule_Chain_Executes_Successfully()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule()
.IfValidThenValidate(new TrueRule())).Validate();
rule.IsValid.ShouldBe(true);
}
public void ThreeRuleChainFailSkipsThirdInChainWhenSecondFails()
{
var rule = new TrueRule()
.IfValidThenValidate(new FalseRule1()
.IfValidThenValidate(new FalseRule2())).Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void Three_Rule_Chain_Hits_Third_In_Chain_And_Fails_Parent()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule()
.IfValidThenValidate(new FalseRule1())).Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void All_Remaining_Successors_Skip_Validation_When_First_Successor_Fails()
{
var rule1 = new TrueRule()
.IfValidThenValidate(new FalseRule1(), new FalseRule2(), new FalseRule3())
.Validate();
rule1.IsValid.ShouldBe(false);
rule1.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void AllRemainingSuccessorsSkipValidationWhenFirstSuccessorFails()
{
var rule1 = new TrueRule()
.IfValidThenValidate(new FalseRule1(), new FalseRule2(), new FalseRule3())
.Validate();
rule1.IsValid.ShouldBe(false);
rule1.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public async Task The_Correct_Association_Is_Set_As_A_Result_Of_Failed_Successor_Async()
{
var rule = new TrueRule("Foo")
.IfValidThenValidate(new TrueRule(), new FalseRuleWithAssociation("Address"));
await rule.ValidateAsync();
rule.Association.ShouldBe("Address");
rule.ErrorMessage.ShouldBe("Address failed validation");
}
public void ThreeRuleChainHitsThirdInChainAndFailsParent()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule()
.IfValidThenValidate(new FalseRule1())).Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void Three_Rule_Chain_Fail_Skips_Third_In_Chain_When_Second_Fails()
{
var rule = new TrueRule()
.IfValidThenValidate(new FalseRule1()
.IfValidThenValidate(new FalseRule2())).Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void Last_Successor_Validates_When_First_Successors_Pass()
{
var rule1 = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule(), new FalseRule1())
.Validate();
rule1.IsValid.ShouldBe(false);
rule1.ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public void Parent_Fails_When_Last_Successor_In_Chains_Fails_Validation()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule())
.IfValidThenValidate(new TrueRule(), new FalseRule3())
.Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule3 failed validation");
}
public void ParentFailsWhenLastSuccessorInChainsFailsValidation()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule())
.IfValidThenValidate(new TrueRule(), new FalseRule3())
.Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule3 failed validation");
}
public void LastSuccessorInSuccessorChainIsSkippedWhenFirstSuccessorsPass()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule())
.IfValidThenValidate(new FalseRule2(), new FalseRule3())
.Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule2 failed validation");
}
public void SecondInvalidRuleInSecondSuccessorChainShouldExecute()
{
var output = string.Empty;
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule())
.IfValidThenValidate(new TrueRule(), new FalseRule3().IfInvalidThenExecute(r => output = "pass"))
.Validate();
output.ShouldBe("pass");
}
public void Last_Successor_In_Successor_Chain_Is_Skipped_When_First_Successors_Pass()
{
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule())
.IfValidThenValidate(new FalseRule2(), new FalseRule3())
.Validate();
rule.IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldBe("FalseRule2 failed validation");
}
public void Second_Invalid_Rule_In_Second_Successor_Chain_Should_Execute()
{
var output = string.Empty;
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule(), new TrueRule())
.IfValidThenValidate(new TrueRule(), new FalseRule3().IfInvalidThenExecute(r => output = "pass"))
.Validate();
output.ShouldBe("pass");
}
public void FirstValidRuleInSecondSuccessorChainShouldExecuteButThirdFalseRuleShouldNot()
{
var output = string.Empty;
var output2 = string.Empty;
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule().IfValidThenExecute(r => output = "pass"), new TrueRule())
.IfValidThenValidate(new FalseRule2().IfValidThenExecute(r => output2 = "pass"), new FalseRule3())
.Validate();
output.ShouldBe("pass");
output2.ShouldBe(string.Empty);
rule.ErrorMessage.ShouldBe("FalseRule2 failed validation");
}
public void First_Valid_Rule_In_Second_Successor_Chain_Should_Execute_But_Third_False_Rule_Should_Not()
{
var output = string.Empty;
var output2 = string.Empty;
var rule = new TrueRule()
.IfValidThenValidate(new TrueRule().IfValidThenExecute(r => output = "pass"), new TrueRule())
.IfValidThenValidate(new FalseRule2().IfValidThenExecute(r => output2 = "pass"), new FalseRule3())
.Validate();
output.ShouldBe("pass");
output2.ShouldBe(string.Empty);
rule.ErrorMessage.ShouldBe("FalseRule2 failed validation");
}
public void ValidRuleIsValidAfterValidation()
{
var rule = new TrueRule().Validate();
rule.IsValid.ShouldBe(true);
}
public void ValidRuleDoesNotContainAnErrorMessageAfterValidation()
{
var rule = new TrueRule().Validate();
rule.ErrorMessage.ShouldBe(null);
}
public void Valid_Rule_Does_Not_Contain_An_Error_Message_After_Validation()
{
var rule = new TrueRule().Validate();
rule.ErrorMessage.ShouldBe(null);
}
public void Valid_Rule_Is_Valid_After_Validation()
{
var rule = new TrueRule().Validate();
rule.IsValid.ShouldBe(true);
}