public void Constrain_GivenNullConstraint_ThrowsArgumentException()
{
var rule = PropertyRule.CreatePropertyRule<Customer, string> ( c => c.FirstName, "Rule1" );
var ruleBuilder = new PropertyRuleBuilder<RuleEngineContext<Customer>, Customer, string> ( rule );
ruleBuilder.Constrain ( null );
}
public void Constrain_GivenNullConstraint_ThrowsArgumentException()
{
var rule = PropertyRule.CreatePropertyRule <Customer, string> (c => c.FirstName, "Rule1");
var ruleBuilder = new PropertyRuleBuilder <RuleEngineContext <Customer>, Customer, string> (rule);
ruleBuilder.Constrain(null);
}
public void Constrain_WithAConstraint_AssignsConstraintToRule()
{
var rule = PropertyRule.CreatePropertyRule<Customer, string> ( c => c.FirstName, "Rule1" );
var ruleBuilder = new PropertyRuleBuilder<RuleEngineContext<Customer>, Customer, string> ( rule );
ruleBuilder.Constrain ( new NotNullConstraint () );
var customer = new Customer { Age = 10 };
var context = new RuleEngineContext<Customer> ( customer );
var whenResult = rule.WhenClause ( context );
Assert.IsFalse ( whenResult );
}
public void Constrain_WithAConstraint_AssignsConstraintToRule()
{
var rule = PropertyRule.CreatePropertyRule <Customer, string> (c => c.FirstName, "Rule1");
var ruleBuilder = new PropertyRuleBuilder <RuleEngineContext <Customer>, Customer, string> (rule);
ruleBuilder.Constrain(new NotNullConstraint());
var customer = new Customer {
Age = 10
};
var context = new RuleEngineContext <Customer> (customer);
var whenResult = rule.WhenClause(context);
Assert.IsFalse(whenResult);
}