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Add existing instance registration scope

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Mike Bierlee 2014-05-21 00:26:44 +02:00
parent bb0a8d5746
commit cbecebf43f
3 changed files with 27 additions and 3 deletions
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5
source/poodinis/registration.d
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@ -85,3 +85,8 @@ class ExistingInstanceScope : RegistrationScope {
return instance; return instance;
} }
} }
public Registration existingInstance(Registration registration, Object instance) {
registration.registationScope = new ExistingInstanceScope(instance);
return registration;
}

13
test/poodinis/containertest.d
View file

@ -100,7 +100,7 @@ version(unittest) {
container.register!(TestClass)().singleInstance(); container.register!(TestClass)().singleInstance();
auto instance1 = container.resolve!(TestClass); auto instance1 = container.resolve!(TestClass);
auto instance2 = container.resolve!(TestClass); auto instance2 = container.resolve!(TestClass);
assert(instance1 is instance2); assert(instance1 is instance2, "Resolved instance from single instance scope is not the each time it is resolved");
} }
// Test resolve new instance for type // Test resolve new instance for type
@ -109,7 +109,16 @@ version(unittest) {
container.register!(TestClass)().newInstance(); container.register!(TestClass)().newInstance();
auto instance1 = container.resolve!(TestClass); auto instance1 = container.resolve!(TestClass);
auto instance2 = container.resolve!(TestClass); auto instance2 = container.resolve!(TestClass);
assert(instance1 !is instance2); assert(instance1 !is instance2, "Resolved instance from new instance scope is the same each time it is resolved");
}
// Test resolve existing instance for type
unittest {
auto container = new Container();
auto expectedInstance = new TestClass();
container.register!(TestClass)().existingInstance(expectedInstance);
auto actualInstance = container.resolve!(TestClass);
assert(expectedInstance is actualInstance, "Resolved instance from existing instance scope is not the same as the registered instance");
} }
} }

10
test/poodinis/registrationtest.d
View file

@ -60,4 +60,14 @@ version(unittest) {
assert(expectedInstance is actualInstance, "Registration with existing instance did not return given instance"); assert(expectedInstance is actualInstance, "Registration with existing instance did not return given instance");
} }
// Test set existing instance scope using scope setter
unittest {
Registration registration = new Registration(null, null);
auto expectedInstance = new TestType();
auto chainedRegistration = registration.existingInstance(expectedInstance);
auto actualInstance = registration.getInstance();
assert(expectedInstance is expectedInstance, "Registration with existing instance scope did not return the same instance");
assert(registration is chainedRegistration, "Registration returned by scope setting is not the same as the registration being set");
}
} }