public void Process_Should_Process_Order()
{
var businessEngineMock = new Mock <IBussinessRuleEngine>();
var agent = new Agent {
Name = "Test"
};
var book = new Product
{
Attribute = Domain.ProductAttribute.PHYSICAL,
Id = 1,
Type = "Book",
Name = "Hitchhiker's Guide to the Galaxy"
};
var orderEngine = new OrderProcessor(businessEngineMock.Object, agent);
orderEngine.Add(new OrderLine(book, 1));
orderEngine.Add(new OrderLine(book, 1));
var order = orderEngine.Order;
var expected = new List <string> {
"Applied"
};
businessEngineMock.Setup(x => x.Process(order)).Returns(expected);
orderEngine.Process().Should().BeEquivalentTo(expected);
businessEngineMock.Verify(x => x.Process(order), Times.Once);
}
public void Add_Should_Add_To_Quantity_For_The_Same_Product()
{
var businessEngineMock = new Mock <IBussinessRuleEngine>();
var agent = new Agent {
Name = "Test"
};
var orderEngine = new OrderProcessor(businessEngineMock.Object, agent);
var book = new Product
{
Attribute = Domain.ProductAttribute.PHYSICAL,
Id = 1,
Type = "Book",
Name = "Hitchhiker's Guide to the Galaxy"
};
orderEngine.Add(new OrderLine(book, 1));
orderEngine.Add(new OrderLine(book, 1));
var order = orderEngine.Order;
var orderLine = order.OrderLines.Single();
order.OrderId.Should().NotBe(Guid.Empty);
orderLine.Product.Should().Be(book);
orderLine.Quantity.Should().Be(2);
}
public void Upgrade_Product_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new UpgradeProductRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.NONPHYSICAL,
Id = 1,
Type = ProductType.Upgrade,
Name = "Upgrade to Premium"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Applying the upgrade");
}
public void Book_Product_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new BookProductRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.PHYSICAL,
Id = 1,
Type = ProductType.Book,
Name = "Hitchhiker's Guide to the Galaxy"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Creating a duplicate packing slip for the royalty department");
}
public void Membership_Product_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new MembershipProductRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.NONPHYSICAL,
Id = 1,
Type = ProductType.Membership,
Name = "5 months subscription"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Activating membership");
}
public void Physical_Product_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new PhysicalProductRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.PHYSICAL,
Id = 1,
Type = "Book",
Name = "Hitchhiker's Guide to the Galaxy"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Generating a packing slip for shipping.");
}
public void Commision_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new CommissionRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.PHYSICAL,
Id = 1,
Type = ProductType.Book,
Name = "Learning Python"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Generating commision payment to the agent");
}
public void VideoProduct_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new VideoProductRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.NONPHYSICAL,
Id = 1,
Type = ProductType.Video,
Name = "Learning to Ski"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Adding a free \"First Aid\" video to the packing slip (the result of a court decision in 1997)");
}
public void Email_Rule_Test()
{
IBussinessRuleEngine businessEngine = new BusinessRuleEngine();
var rule = new EmailRule();
businessEngine.AddRule(rule);
var agent = new Agent {
Name = "Test"
};
var product = new Product
{
Attribute = ProductAttribute.NONPHYSICAL,
Id = 1,
Type = ProductType.Upgrade,
Name = "Upgrade to Premium"
};
var orderEngine = new OrderProcessor(businessEngine, agent);
orderEngine.Add(new OrderLine(product, 1));
orderEngine.Process().Single().Should().Be("Sending email to the owner for activation/upgrade");
}
public static void Main()
{
var ruleEngine = SetUpBusinessRuleEngine();
var orderProcessor = new OrderProcessor(ruleEngine, new Agent {
Name = "Real Agent"
});
var results = orderProcessor
.Add(new OrderLine(book, 1))
.Add(new OrderLine(membership, 1))
.Add(new OrderLine(upgrade, 1))
.Add(new OrderLine(video, 1))
.Process();
Console.WriteLine();
Console.WriteLine("Final Result");
foreach (var x in results)
{
Console.WriteLine(x);
}
;
}
