public void CodePackageActivationContext_PackageChangeNotificationsWorkForDataPackages()
{
{
var testData = new ChangeNotificationTestData <DataPackageInfo, DataPackage>
{
EventHookupFunction = (context, handler) => context.DataPackageAddedEvent += new EventHandler <PackageAddedEventArgs <DataPackage> >(handler),
EventInvoker = (stub, oldInfo, newInfo) => stub.DataPackageRegistrations[0].OnPackageAdded(null, newInfo),
Helper = DataPackageTest.HelperInstance
};
this.AddOfNewPackageChangeNotificationTestHelper(testData);
}
{
var testData = new ChangeNotificationTestData <DataPackageInfo, DataPackage>
{
EventHookupFunction = (context, handler) => context.DataPackageRemovedEvent += new EventHandler <PackageRemovedEventArgs <DataPackage> >(handler),
EventInvoker = (stub, oldInfo, newInfo) => stub.DataPackageRegistrations[0].OnPackageRemoved(null, oldInfo),
Helper = DataPackageTest.HelperInstance
};
this.DeleteOfExistingPackageChangeNotificationTestHelper(testData);
}
{
var testData = new ChangeNotificationTestData <DataPackageInfo, DataPackage>
{
EventHookupFunction = (context, handler) => context.DataPackageModifiedEvent += new EventHandler <PackageModifiedEventArgs <DataPackage> >(handler),
EventInvoker = (stub, oldInfo, newInfo) => stub.DataPackageRegistrations[0].OnPackageModified(null, oldInfo, newInfo),
Helper = DataPackageTest.HelperInstance
};
this.UpgradeOfExistingPackageChangeNotificationTestHelper(testData);
}
}
private void ChangeNotificationTestHelper <TPackageInfo, TPackage>(
ChangeNotificationTestData <TPackageInfo, TPackage> data,
TPackageInfo oldPackage,
TPackageInfo newPackage,
Action <EventArgs> validator)
where TPackageInfo : IPackageInfo
where TPackage : class
{
var stub = new CodePackageActivationContextStub();
// create the context
var context = new CodePackageActivationContext(stub);
EventArgs packageChangedArgs = null;
// create a delegate for handling the event
Action <object, EventArgs> eventHandler = (sender, args) =>
{
Assert.AreSame(context, sender);
packageChangedArgs = args;
};
// hookup the delegate as the event handler
data.EventHookupFunction(context, eventHandler);
// invoke the event
data.EventInvoker(stub, oldPackage, newPackage);
// validate that the event was invoked
Assert.IsNotNull(packageChangedArgs);
validator(packageChangedArgs);
}
private void DeleteOfExistingPackageChangeNotificationTestHelper <TPackageInfo, TPackage>(ChangeNotificationTestData <TPackageInfo, TPackage> data)
where TPackageInfo : IPackageInfo
where TPackage : class
{
var initialPackage = data.Helper.CreateDefaultInfo();
var upgradedPackage = default(TPackageInfo);
this.ChangeNotificationTestHelper(
data,
initialPackage,
upgradedPackage,
(packageChangedArgs) =>
{
var casted = packageChangedArgs as PackageRemovedEventArgs <TPackage>;
Assert.IsNotNull(casted);
data.Helper.Compare(data.Helper.Factory(initialPackage), casted.Package);
});
}
private void UpgradeOfExistingPackageChangeNotificationTestHelper <TPackageInfo, TPackage>(ChangeNotificationTestData <TPackageInfo, TPackage> data)
where TPackageInfo : IPackageInfo
where TPackage : class
{
var initialPackage = data.Helper.CreateDefaultInfo();
var upgradedPackage = data.Helper.CreateDefaultInfo();
upgradedPackage.Version = upgradedPackage.Version + "a";
this.ChangeNotificationTestHelper(
data,
initialPackage,
upgradedPackage,
(packageChangedArgs) =>
{
var casted = packageChangedArgs as PackageModifiedEventArgs <TPackage>;
Assert.IsNotNull(casted);
data.Helper.Compare(data.Helper.Factory(initialPackage), casted.OldPackage);
data.Helper.Compare(data.Helper.Factory(upgradedPackage), casted.NewPackage);
});
}
