public void Get_Falls_Through_To_Global()
{
HttpConfiguration config = new HttpConfiguration();
ControllerServices cs = new ControllerServices(config.Services);
// Act
IActionValueBinder localVal = (IActionValueBinder) cs.GetService(typeof(IActionValueBinder));
IActionValueBinder globalVal = (IActionValueBinder) config.Services.GetService(typeof(IActionValueBinder));
// Assert
// Local controller didn't override, should get same value as global case.
Assert.Same(localVal, globalVal);
}
public void Controller_Overrides_Global()
{
HttpConfiguration config = new HttpConfiguration();
ControllerServices cs = new ControllerServices(config.Services);
IActionValueBinder newLocalService = new Mock<IActionValueBinder>().Object;
cs.Replace(typeof(IActionValueBinder), newLocalService);
// Act
IActionValueBinder localVal = (IActionValueBinder)cs.GetService(typeof(IActionValueBinder));
IActionValueBinder globalVal = (IActionValueBinder)config.Services.GetService(typeof(IActionValueBinder));
// Assert
// Local controller didn't override, should get same value as global case.
Assert.Same(localVal, newLocalService);
Assert.NotSame(localVal, globalVal);
}
public void Controller_Appends_Inherited_List()
{
// Controller Services has "copy on write" semantics for inherited list.
// It can get the inherited list and mutate it.
HttpConfiguration config = new HttpConfiguration();
ServicesContainer global = config.Services;
ControllerServices cs = new ControllerServices(config.Services);
ValueProviderFactory vpf = new Mock<ValueProviderFactory>().Object;
// Act
cs.Add(typeof(ValueProviderFactory), vpf); // appends to end
// Assert
IEnumerable<object> original = global.GetServices(typeof(ValueProviderFactory));
object[] modified = cs.GetServices(typeof(ValueProviderFactory)).ToArray();
Assert.True(original.Count() > 1);
object[] expected = original.Concat(new object[] { vpf }).ToArray();
Assert.Equal(expected, modified);
}
public void Controller_Overrides_DependencyInjection()
{
// Setting on Controller config overrides the DI container.
HttpConfiguration config = new HttpConfiguration();
IActionValueBinder newDIService = new Mock<IActionValueBinder>().Object;
var mockDependencyResolver = new Mock<IDependencyResolver>();
mockDependencyResolver.Setup(dr => dr.GetService(typeof(IActionValueBinder))).Returns(newDIService);
config.DependencyResolver = mockDependencyResolver.Object;
ControllerServices cs = new ControllerServices(config.Services);
IActionValueBinder newLocalService = new Mock<IActionValueBinder>().Object;
cs.Replace(typeof(IActionValueBinder), newLocalService);
// Act
IActionValueBinder localVal = (IActionValueBinder)cs.GetService(typeof(IActionValueBinder));
IActionValueBinder globalVal = (IActionValueBinder)config.Services.GetService(typeof(IActionValueBinder));
// Assert
// Local controller didn't override, should get same value as global case.
Assert.Same(newDIService, globalVal); // asking the config will give back the DI service
Assert.Same(newLocalService, localVal); // but asking locally will get back the local service.
}
public void Controller_Set_Null()
{
HttpConfiguration config = new HttpConfiguration();
ServicesContainer global = config.Services;
ControllerServices cs = new ControllerServices(config.Services);
// Act
// Setting to null is not the same as clear. Clear() means fall through to global config.
cs.Replace(typeof(IActionValueBinder), null);
// Assert
IActionValueBinder localVal = (IActionValueBinder)cs.GetService(typeof(IActionValueBinder));
Assert.Null(localVal);
}
public void Controller_Clear_Single_Item()
{
HttpConfiguration config = new HttpConfiguration();
ServicesContainer global = config.Services;
ControllerServices cs = new ControllerServices(config.Services);
IActionValueBinder newLocalService = new Mock<IActionValueBinder>().Object;
cs.Replace(typeof(IActionValueBinder), newLocalService);
// Act
cs.Clear(typeof(IActionValueBinder));
// Assert
IActionValueBinder localVal = (IActionValueBinder)cs.GetService(typeof(IActionValueBinder));
IActionValueBinder globalVal = (IActionValueBinder)config.Services.GetService(typeof(IActionValueBinder));
Assert.Same(globalVal, localVal);
}
