public void OverrideInstanceByType()
{
var container = new DependencyInjectionContainer().Register <ClassWithoutDependencies>(options => options.UseSingletonLifetime())
.Register <ClassWithDependency>()
.Register <ClassWithTwoDependencies>();
var overriddenInstance = new ClassWithoutDependencies();
var dependencyOverrides = container.OverrideDependenciesFor <ClassWithTwoDependencies>()
.OverrideRegistration(overriddenInstance);
var resolvedInstance = container.Resolve <ClassWithTwoDependencies>(dependencyOverrides);
resolvedInstance.A.Should().BeSameAs(overriddenInstance);
resolvedInstance.B.A.Should().BeSameAs(overriddenInstance);
}
public void OverrideDependencyThatIsNotRegistered()
{
var containerServices = new ContainerServicesBuilder().WithAutomaticRegistrationFactory(new NoAutoRegistrationsAllowedFactory())
.Build();
var container = new DependencyInjectionContainer(containerServices).Register <ClassWithDependency>()
.Register <ClassWithTwoDependencies>();
var overriddenInstance = new ClassWithoutDependencies();
var dependencyOverrides = container.OverrideDependenciesFor <ClassWithTwoDependencies>()
.OverrideDependency(overriddenInstance);
var resolvedInstance = container.Resolve <ClassWithTwoDependencies>(dependencyOverrides);
resolvedInstance.A.Should().BeSameAs(overriddenInstance);
resolvedInstance.B.A.Should().BeSameAs(overriddenInstance);
}
public ClassWithTwoDependencies(ClassWithoutDependencies a, ClassWithDependency b)
{
A = a;
B = b;
}
public static ClassWithDependency CreateClassWithDependency(ClassWithoutDependencies instance)
{
return(new ClassWithDependency(instance));
}
public ClassWithDependency(ClassWithoutDependencies a)
{
A = a;
}
