public void TryFindExistingBuilderFor_WhenHaveExistingBuilder_ShouldUseIt()
{
//---------------Set up test pack-------------------
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = GenericBuilderLocator.TryFindExistingBuilderFor(typeof(SomeClassWithKnownBuilder));
//---------------Test Result -----------------------
Expect(result).To.Equal(typeof(SomeClassWithKnownBuilderBuilder));
}
public void TryFindExistingBuilderFor_GivenNullType_ShouldReturnNull()
{
//---------------Set up test pack-------------------
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = GenericBuilderLocator.TryFindExistingBuilderFor(null);
//---------------Test Result -----------------------
Expect(result).To.Be.Null();
}
public void TryFindExistingBuilderFor_ShouldBeAbleToFindBuilderInAnotherAssembly()
{
//---------------Set up test pack-------------------
var type = typeof(SomeEntityWithBuilder);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var builderType = GenericBuilderLocator.TryFindExistingBuilderFor(type);
//---------------Test Result -----------------------
Expect(builderType).To.Equal(typeof(SomeEntityWithBuilderBuilder));
}
public void TryFindExistingBuilderFor_WhenHaveMultipleBuilders_ShouldReturnBuilderWithClosestNamespaceMatch()
{
//---------------Set up test pack-------------------
var entityType = typeof(AnotherEntityWithBuilder);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = GenericBuilderLocator.TryFindExistingBuilderFor(entityType);
//---------------Test Result -----------------------
Expect(typeof(GenericBuilderTestArtifactBuilders.Sub1.AnotherEntityWithBuilderBuilder))
.To.Equal(result);
}
private TEntity BuildWithBuilder()
{
var entityType = typeof(TEntity);
var builderType = GenericBuilderLocator.TryFindExistingBuilderFor(entityType)
?? GenericBuilderLocator.FindOrGenerateDynamicBuilderFor(entityType);
Assert.IsNotNull(builderType, $"Can't find or create a builder for {entityType.Name}");
var builder = Activator.CreateInstance(builderType) as IGenericBuilder;
Assert.IsNotNull(builder, $"Located builder {builderType.Name} does not implement IGenericBuilder");
var entity = builder.GenericWithRandomProps().GenericBuild() as TEntity;
Assert.IsNotNull(entity, $"located builder {builderType.Name} for {entityType.Name} builds NULL or invalid entity");
return(entity);
}
public void TryFindExistingBuilderFor_WhenCannotFindExistingBuilderInAnotherAssembly_ShouldReturnNull()
{
//---------------Set up test pack-------------------
var type = typeof(SomeEntityWithoutBuilder);
//---------------Assert Precondition----------------
var existingBuilders = AppDomain.CurrentDomain
.GetAssemblies()
.SelectMany(a => a.GetTypes())
.Where(t => t.IsBuilderFor(type));
Expect(existingBuilders).To.Be.Empty();
//---------------Execute Test ----------------------
var builderType = GenericBuilderLocator.TryFindExistingBuilderFor(type);
//---------------Test Result -----------------------
Expect(builderType).To.Be.Null();
}