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test(ivy): verify ngOnDestroy is called for tree-shakeable providers (#28943) 

This test verifies that Ivy's module injector does not suffer from
#28927 to prevent regressing on this behavior going forward.

PR Close #28943
This commit is contained in:
JoostK 2019-02-23 16:23:25 +01:00 committed by Igor Minar
parent 30b04424a3
commit 5c13feebfd
1 changed files with 11 additions and 0 deletions
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11
packages/core/test/di/r3_injector_spec.ts
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@ -200,11 +200,14 @@ describe('InjectorDef-based createInjector()', () => {
});
}
let scopedServiceDestroyed = false;
class ScopedService {
static ngInjectableDef = defineInjectable({
providedIn: Module,
factory: () => new ScopedService(),
});
ngOnDestroy(): void { scopedServiceDestroyed = true; }
}
class WrongScopeService {
@ -323,10 +326,18 @@ describe('InjectorDef-based createInjector()', () => {
it('calls ngOnDestroy on services when destroyed', () => {
injector.get(DeepService);
expect(deepServiceDestroyed).toBe(false, 'DeepService already destroyed');
(injector as R3Injector).destroy();
expect(deepServiceDestroyed).toBe(true, 'DeepService not destroyed');
});
it('calls ngOnDestroy on scoped providers', () => {
injector.get(ScopedService);
expect(scopedServiceDestroyed).toBe(false, 'ScopedService already destroyed');
(injector as R3Injector).destroy();
expect(scopedServiceDestroyed).toBe(true, 'ScopedService not destroyed');
});
it('does not allow injection after destroy', () => {
(injector as R3Injector).destroy();
expect(() => injector.get(DeepService)).toThrowError('Injector has already been destroyed.');