public void Throw_When_Product_Id_Changed_Before_Product_Built()
{
// Arrange
ProductBuilder target = new ProductBuilderBuilder().Build();
target.BuildProductData(1);
target.BuildProductData(19);
}
public void Cannot_Build_Product_With_No_Product_Data()
{
// Arrange
ProductBuilder target = new ProductBuilderBuilder().Build();
// Act
Product result = target.Build();
// Assert
Assert.IsNull(result);
}
public void Can_Reuse_Builder_After_Product_Built()
{
// Arrange
int productId = 1;
int productIdNext = 2;
ProductBuilder target = new ProductBuilderBuilder().WithProductData().WithNoEligibity(productId).WithNoEligibity(productIdNext).Build(); // No eligibility to make the test simpler.
target.BuildProductData(productId).Build();
// Act
Product result = target.BuildProductData(productIdNext).Build();
// Assert
Assert.IsNotNull(result);
Assert.IsTrue(result.ProductData.Id == 2);
}
public void Can_Build_Product_With_No_Eligibility()
{
// Arrange
int productId = 1;
ProductBuilder target = new ProductBuilderBuilder().WithProductData().WithNoEligibity(productId).Build();
// Act
Product result = target.BuildProductData(productId).BuildEligibility().Build();
// Assert - result in general
Assert.IsNotNull(result);
// Assert - product data exists and contains correct data.
Assert.IsNotNull(result.ProductData);
Assert.IsTrue(result.ProductData.Id == 1);
// Assert - lack of eligibility is signalled through Null Eligibility object.
Assert.IsInstanceOfType(result.Eligibility, typeof(NullEligibility));
}
public void Can_Build_Product_With_Eligibility()
{
// Arrange
int productId = 1;
ProductBuilder target = new ProductBuilderBuilder().WithProductData().WithRuleSetEligibities(productId).Build();
// Act
Product result = target.BuildProductData(productId).BuildEligibility().Build();
// Assert - result in general
Assert.IsNotNull(result);
// Assert - product data exists and contains correct data.
Assert.IsNotNull(result.ProductData);
Assert.IsTrue(result.ProductData.Id == 1);
// Assert - eligibility
Assert.IsNotNull(result.Eligibility);
Assert.IsTrue(result.Eligibility.RuleSet == 1);
}
