public void ApplyWillApplyDefaultProductDiscountForPreferredCustomer()
{
// Fixture setup
var fixture = new RepositoryFixture();
fixture.Register(() =>
{
var customerStub = new Mock<IPrincipal>();
customerStub.Setup(p => p.IsInRole("PreferredCustomer")).Returns(true);
return customerStub.Object;
});
var basket = fixture.CreateAnonymous<Basket>();
fixture.AddManyTo(basket.Contents);
var expectedExtents = (from e in basket.Contents
let ep = new DefaultCustomerDiscountPolicy().Apply(e.Product, basket.Owner)
select new Likeness<Extent, Extent>(e)
.With(d => d.Product).EqualsWhen((s, d) => new Likeness<Product, Product>(ep)
.Equals(d.Product))
.Without(d => d.Total)
.Without(d => d.Updated))
.ToList();
var sut = fixture.CreateAnonymous<DefaultProductDiscountPolicy>();
// Exercise system
var result = sut.Apply(basket);
// Verify outcome
Assert.True(expectedExtents.Cast<object>().SequenceEqual(result.Contents.Cast<object>()));
// Teardown
}
public void GetBasketWhenRepositoryHasNoBasketWillReturnEmptyBasket()
{
// Fixture setup
var fixture = new RepositoryFixture();
fixture.Register(() =>
{
var repositoryStub = new Mock<BasketRepository>();
repositoryStub.Setup(r => r.GetBasketFor(It.IsAny<IPrincipal>())).Returns(Enumerable.Empty<Extent>());
return repositoryStub.Object;
});
var sut = fixture.CreateAnonymous<BasketService>();
// Exercise system
Basket result = fixture.Get((IPrincipal user) => sut.GetBasketFor(user));
// Verify outcome
Assert.False(result.Contents.Any(), "GetBasketFor");
// Teardown
}
public void AddToBasketWillUseRepositoryCorrectly()
{
// Fixture setup
var fixture = new RepositoryFixture();
var productId = fixture.CreateAnonymous <int>();
var quantity = fixture.CreateAnonymous <int>();
var user = fixture.CreateAnonymous <IPrincipal>();
var repositoryMock = new Mock <BasketRepository>();
repositoryMock.Setup(r => r.AddToBasket(productId, quantity, user)).Verifiable();
fixture.Register(() => repositoryMock.Object);
var sut = fixture.CreateAnonymous <BasketService>();
// Exercise system
sut.AddToBasket(productId, quantity, user);
// Verify outcome
repositoryMock.Verify();
// Teardown
}
public void GetFeaturedProductsWillReturnCorrectProductsForNonPreferredUser()
{
// Fixture setup
var fixture = new RepositoryFixture();
var featuredProducts = fixture.CreateMany<Product>().ToList();
fixture.Register(() =>
{
var repositoryStub = new Mock<ProductRepository>();
repositoryStub.Setup(r => r.GetFeaturedProducts()).Returns(featuredProducts);
return repositoryStub.Object;
});
var expectedProducts = (from p in featuredProducts
select new Likeness<Product, Product>(p)).ToList();
var sut = fixture.CreateAnonymous<ProductService>();
// Exercise system
var result = fixture.Get((IPrincipal user) => sut.GetFeaturedProducts(user));
// Verify outcome
Assert.True(expectedProducts.Cast<object>().SequenceEqual(result.Cast<object>()));
// Teardown
}
public void ApplyWillApplyDiscountFromRepository()
{
// Fixture setup
var fixture = new RepositoryFixture();
var discountedProducts = fixture.CreateMany <Product>().ToList();
fixture.Register(() =>
{
var repositoryStub = new Mock <DiscountRepository>();
repositoryStub.Setup(r => r.GetDiscountedProducts()).Returns(discountedProducts);
return(repositoryStub.Object);
});
var basket = fixture.CreateAnonymous <Basket>();
basket.Contents.Add(new Extent(discountedProducts.First().WithUnitPrice(discountedProducts.First().UnitPrice.Add(fixture.CreateAnonymous <decimal>())))
{
Quantity = fixture.CreateAnonymous <int>()
});
var expectedExtent = new
{
Product = new Likeness <Product, Product>(discountedProducts.First()).Without(d => d.Id),
basket.Contents.First().Quantity
}.AsSource().OfLikeness <Extent>()
.Without(d => d.Total)
.Without(d => d.Updated);
var sut = fixture.CreateAnonymous <RepositoryBasketDiscountPolicy>();
// Exercise system
var result = sut.Apply(basket);
// Verify outcome
Assert.True(expectedExtent.Equals(result.Contents.First()));
// Teardown
}
public void GetFeaturedProductsWillReturnCorrectProductsForNonPreferredUser()
{
// Fixture setup
var fixture = new RepositoryFixture();
var featuredProducts = fixture.CreateMany <Product>().ToList();
fixture.Register(() =>
{
var repositoryStub = new Mock <ProductRepository>();
repositoryStub.Setup(r => r.GetFeaturedProducts()).Returns(featuredProducts);
return(repositoryStub.Object);
});
var expectedProducts = (from p in featuredProducts
select new Likeness <Product, Product>(p)).ToList();
var sut = fixture.CreateAnonymous <ProductService>();
// Exercise system
var result = fixture.Get((IPrincipal user) => sut.GetFeaturedProducts(user));
// Verify outcome
Assert.True(expectedProducts.Cast <object>().SequenceEqual(result.Cast <object>()));
// Teardown
}
public void GetBasketWhenRepositoryHasBasketWillReturnBasketWithCorrectContents()
{
// Fixture setup
var fixture = new RepositoryFixture();
var products = fixture.CreateMany<Extent>().ToList();
fixture.Register(() =>
{
var repositoryStub = new Mock<BasketRepository>();
repositoryStub.Setup(r => r.GetBasketFor(It.IsAny<IPrincipal>())).Returns(products);
return repositoryStub.Object;
});
var expectedItems = (from e in products
select new Likeness<Extent, Extent>(e)
.With(d => d.Product).EqualsWhen((s, d) => new Likeness<Product, Product>(s.Product).Equals(d.Product))
.Without(d => d.Total)
.Without(d => d.Updated))
.ToList();
var sut = fixture.CreateAnonymous<BasketService>();
// Exercise system
var result = fixture.Get((IPrincipal user) => sut.GetBasketFor(user));
// Verify outcome
Assert.True(expectedItems.Cast<object>().SequenceEqual(result.Contents.Cast<object>()));
// Teardown
}
public void EmptyWillUseRepositoryCorrectly()
{
// Fixture setup
var fixture = new RepositoryFixture();
var user = fixture.CreateAnonymous<IPrincipal>();
var repositoryMock = new Mock<BasketRepository>();
repositoryMock.Setup(r => r.Empty(user)).Verifiable();
fixture.Register(() => repositoryMock.Object);
var sut = fixture.CreateAnonymous<BasketService>();
// Exercise system
sut.Empty(user);
// Verify outcome
repositoryMock.Verify();
// Teardown
}
public void AddToBasketWillUseRepositoryCorrectly()
{
// Fixture setup
var fixture = new RepositoryFixture();
var productId = fixture.CreateAnonymous<int>();
var quantity = fixture.CreateAnonymous<int>();
var user = fixture.CreateAnonymous<IPrincipal>();
var repositoryMock = new Mock<BasketRepository>();
repositoryMock.Setup(r => r.AddToBasket(productId, quantity, user)).Verifiable();
fixture.Register(() => repositoryMock.Object);
var sut = fixture.CreateAnonymous<BasketService>();
// Exercise system
sut.AddToBasket(productId, quantity, user);
// Verify outcome
repositoryMock.Verify();
// Teardown
}
public void GetBasketWillReturnBasketWithAppliedDiscountPolicy()
{
// Fixture setup
var fixture = new RepositoryFixture();
var expectedBasket = fixture.CreateAnonymous<Basket>();
var discountPolicyMock = new Mock<BasketDiscountPolicy>();
discountPolicyMock.Setup(dp => dp.Apply(It.IsAny<Basket>())).Returns(expectedBasket);
fixture.Register(() => discountPolicyMock.Object);
var sut = fixture.CreateAnonymous<BasketService>();
// Exercise system
var result = fixture.Get((IPrincipal user) => sut.GetBasketFor(user));
// Verify outcome
Assert.Equal<Basket>(expectedBasket, result);
// Teardown
}
public void GetBasketWillApplyDiscountPolicyOnBasket()
{
// Fixture setup
var fixture = new RepositoryFixture();
var discountPolicyMock = new Mock<BasketDiscountPolicy>();
discountPolicyMock.Setup(p => p.Apply(It.IsAny<Basket>())).Returns((Basket b) => b);
fixture.Register(() => discountPolicyMock.Object);
fixture.Register(() =>
{
var basketRepositoryStub = new Mock<BasketRepository>();
basketRepositoryStub.Setup(r => r.GetBasketFor(It.IsAny<IPrincipal>())).Returns(fixture.CreateMany<Extent>());
return basketRepositoryStub.Object;
});
var sut = fixture.CreateAnonymous<BasketService>();
// Exercise system
var basket = fixture.Get((IPrincipal user) => sut.GetBasketFor(user));
// Verify outcome
discountPolicyMock.Verify(p => p.Apply(basket), "Discount policy not correctly invoked");
// Teardown
}
public void GetFeaturedProductsWillReturnCorrectProductsForPreferredCustomer()
{
// Fixture setup
var fixture = new RepositoryFixture();
var featuredProducts = fixture.CreateMany<Product>().ToList();
fixture.Register(() =>
{
var repositoryStub = new Mock<ProductRepository>();
repositoryStub.Setup(r => r.GetFeaturedProducts()).Returns(featuredProducts);
return repositoryStub.Object;
});
var expectedProducts = (from p in featuredProducts
select new Likeness<Product, Product>(p)
.With(d => d.UnitPrice).EqualsWhen((s, d) => s.UnitPrice.Multiply(.95m).Equals(d.UnitPrice)))
.ToList();
var sut = fixture.CreateAnonymous<ProductService>();
var preferredCustomerStub = new Mock<IPrincipal>();
preferredCustomerStub.Setup(u => u.IsInRole("PreferredCustomer")).Returns(true);
// Exercise system
var result = sut.GetFeaturedProducts(preferredCustomerStub.Object);
// Verify outcome
Assert.True(expectedProducts.Cast<object>().SequenceEqual(result.Cast<object>()));
// Teardown
}