public void TestTemporaryContext1()
{
var IoC_inject = GetInjectorForTest();
Assert.Null(IoC_inject.Get <MyClass1>(this));
for (int i = 0; i < 100; i++)
{
TaskV2.Run(() => {
var myContextInstance1 = new MyClass1();
IoC_inject.DoWithTempContext <MyClass1>(myContextInstance1, () => {
Assert.Equal(myContextInstance1, IoC_inject.Get <MyClass1>(this));
});
// when the temporary context is gone requesting an injection returns null again:
Assert.Null(IoC_inject.Get <MyClass1>(this));
var myContextInstance2 = new MyClass1();
var testUser = new MyUserClass1();
IoC_inject.DoWithTempContext <MyClass1>(myContextInstance2, () => {
IoC_inject.DoWithTempContext <MyUserClass1>(testUser, () => {
Assert.Equal(myContextInstance2, IoC_inject.Get <MyClass1>(this));
Assert.Equal(testUser, IoC_inject.Get <MyUserClass1>(this));
});
});
// when the temporary context is gone requesting an injection returns null again:
Assert.Null(IoC_inject.Get <MyClass1>(this));
Assert.Null(IoC_inject.Get <MyUserClass1>(this));
});
}
}
public async Task TestHasIdDbConnection()
{
var userId1 = "123";
MyUserClass1 user1 = new MyUserClass1()
{
id = userId1, name = "Some Name"
};
{ // Inject the HasIdDbConnection globally:
// If the store is not registered x.Save() will throw an injection exception:
await Assert.ThrowsAsync <InjectionException>(async() => { await user1.SaveToDb(); });
IoC.inject.SetSingleton(new HasIdDbConnection <MyUserClass1>(new InMemoryKeyValueStore()));
}
{ // Now use the extension method x.Save() that will use the injected store internally:
Assert.Null(await user1.SaveToDb());
user1.name = "Some new name";
Assert.Equal(user1, await user1.SaveToDb());
}
{ // HasId also provides an extension method for Load that does the same:
MyUserClass1 defaultValue = null;
MyUserClass1 loadedUser1 = await defaultValue.LoadFromDb(userId1);
Assert.Equal(user1.name, loadedUser1.name);
}
{ // The injected DB can also be used directly without the extension methods:
var injectedDB = IoC.inject.Get <HasIdDbConnection <MyUserClass1> >(this);
// Loading the same item again from the DB:
MyUserClass1 loadedUser1 = await injectedDB.Load(userId1, null);
Assert.Equal(user1.name, loadedUser1.name);
// The DB can also load all entries:
var allEntries = await injectedDB.LoadAllEntries();
Assert.Contains(user1, allEntries);
}
}
