public void AddErrorFilter_1_Services_Is_Null()
{
// arrange
// act
Action action = () =>
SchemaServiceCollectionExtensions.AddErrorFilter <MyErrorFilter>(null);
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void AddErrorFilter_2_Filter_Is_Null()
{
// arrange
var services = new ServiceCollection();
// act
Action action = () =>
SchemaServiceCollectionExtensions.AddErrorFilter(
services, default(Func <IError, IError>));
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void AddErrorFilter_1()
{
// arrange
var services = new ServiceCollection();
// act
SchemaServiceCollectionExtensions.AddErrorFilter <MyErrorFilter>(services);
// assert
Assert.Collection(services,
t =>
{
Assert.Equal(typeof(IErrorFilter), t.ServiceType);
Assert.Equal(typeof(MyErrorFilter), t.ImplementationType);
});
}
public void AddErrorFilter_2()
{
// arrange
var services = new ServiceCollection();
Func <IError, IError> filter = error => error;
// act
SchemaServiceCollectionExtensions.AddErrorFilter(services, filter);
// assert
Assert.Collection(services,
t =>
{
Assert.Equal(typeof(IErrorFilter), t.ServiceType);
Assert.IsType <FuncErrorFilterWrapper>(t.ImplementationInstance);
});
}
public void AddErrorFilter_3()
{
// arrange
var services = new ServiceCollection();
Func <IServiceProvider, IErrorFilter> factory =
sp => sp.GetRequiredService <IErrorFilter>();
// act
SchemaServiceCollectionExtensions.AddErrorFilter(services, factory);
// assert
Assert.Collection(services,
t =>
{
Assert.Equal(typeof(IErrorFilter), t.ServiceType);
Assert.Equal(factory, t.ImplementationFactory);
});
}