public async Task ShouldThrowInvalidOperationExceptionWhenDefaultExtensionCannotBeFound()
{
// Arrange
var extensions = new Dictionary <string, Func <ServiceFactory, IAsyncExtensionBase> >();
var extender = new AsyncExtenderProxy <string>(proxy => new AsyncExtender <string>(new AsyncExtenderCore <string>(extensions), proxy, _ => null));
var component = new TestItem("TEST-ITEM");
// Act
var exception = await Assert
.ThrowsAsync <InvalidOperationException>(() => extender
.Extend(component));
// Assert
Assert.Equal("Default extension could not by found.", exception.Message);
}
public async Task ShouldUseDefaultExtensionWhenConcreteExtensionIsNull()
{
// Arrange
var defaultExtension = Mock.Of <IAsyncExtension <string, object> >(MockBehavior.Strict);
var extensions = new Dictionary <string, Func <ServiceFactory, IAsyncExtensionBase> >(new Dictionary <string, Func <ServiceFactory, IAsyncExtensionBase> >
{
[typeof(TestItem).FullName] = _ => null,
[typeof(object).FullName] = _ => defaultExtension
});
var extender = new AsyncExtenderProxy <string>(proxy => new AsyncExtender <string>(new AsyncExtenderCore <string>(extensions), proxy, _ => null));
var component = new TestItem("TEST-ITEM");
Mock.Get(defaultExtension)
.Setup(d => d.Extend(component, extender))
.Returns(Task.CompletedTask);
// Act & Assert
await extender.Extend(component);
}