public override bool Evaluate(Order order) {
foreach (var rule in _rules) {
if (rule.Evaluate(order)) {
return true;
}
}
return false;
}
public void OrRule_Tests() {
var order1 = new Order(id: "123-456-111", value: 10, state: State.Closed, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
var order2 = new Order(id: "123-456-222", value: 10, state: State.Open, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
Rule rule1 = new GreaterThanRule() { Value = 30 };
Rule rule2 = new OrderClosedRule();
var rules = new[] { rule1, rule2 };
var orRule = new OrRule();
orRule.AddRules(rules);
Assert.AreEqual(orRule.Evaluate(order1), true);
Assert.AreEqual(orRule.Evaluate(order2), false);
}
public void GreaterThanRule_And_OrderClosedRule_Tests() {
var order = new Order(id: "123-456-111", value: 50, state: State.Closed, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
Rule rule1 = new GreaterThanRule() { Value = 30 };
Rule rule2 = new OrderClosedRule();
Assert.AreEqual(rule1.Evaluate(order), true);
Assert.AreEqual(rule2.Evaluate(order), true);
order.State = State.Open;
order.Value = 1;
Assert.AreEqual(rule1.Evaluate(order), false);
Assert.AreEqual(rule2.Evaluate(order), false);
}
public void CriticalMassRule_Tests() {
var order1 = new Order(id: "123-456-111", value: 50, state: State.Closed, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
var order2 = new Order(id: "123-456-222", value: 10, state: State.Closed, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
var order3 = new Order(id: "123-456-333", value: 10, state: State.Open, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
Rule rule1 = new GreaterThanRule() { Value = 30 };
Rule rule2 = new OrderClosedRule();
var rules = new[] { rule1, rule2 };
var massRules = new CriticalMassRule(minimunRulesCount: 1);
massRules.AddRules(rules);
Assert.AreEqual(massRules.Evaluate(order1), true);
Assert.AreEqual(massRules.Evaluate(order2), true);
Assert.AreEqual(massRules.Evaluate(order3), false);
massRules = new CriticalMassRule(minimunRulesCount: 2);
massRules.AddRules(rules);
Assert.AreEqual(massRules.Evaluate(order1), true);
Assert.AreEqual(massRules.Evaluate(order2), false);
Assert.AreEqual(massRules.Evaluate(order3), false);
}
public override bool Evaluate(Order order) {
return !String.IsNullOrWhiteSpace(order.CardNumber)
&& order.CardNumber.All(Char.IsDigit)
&& order.CardNumber.Length == 16;
}
public override bool Evaluate(Order order) {
return (order.State == State.Closed);
}
public override bool Evaluate(Order order) {
return (order.Value > Value);
}
public override bool Evaluate(Order order) {
return _rules.Where(r => r.Evaluate(order)).Count() >= _minimunRulesCount;
}
public abstract bool Evaluate(Order order);
public void CardNumberValidRule_Tests() {
var order = new Order(id: "123-456-111", value: 50, state: State.Closed, total: 100.0m, paymentMethod: PaymentMethod.CreditCard);
Rule rule = new CardNumberValidRule();
Assert.AreEqual(rule.Evaluate(order), false);
order.CardNumber = "1234";
Assert.AreEqual(rule.Evaluate(order), false);
order.CardNumber = "abcd1234efgh5678";
Assert.AreEqual(rule.Evaluate(order), false);
order.CardNumber = "1234567890123456";
Assert.AreEqual(rule.Evaluate(order), true);
}
