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fix(ivy): account for useValue: undefined providers in module injector (#27035)

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PR Close #27035
This commit is contained in:
JoostK
2018-11-21 19:45:49 +01:00
committed by Alex Rickabaugh
parent 75723d5c89
commit 6552471c49
2 changed files with 17 additions and 2 deletions
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15
packages/core/test/di/r3_injector_spec.ts
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@ -44,6 +44,9 @@ describe('InjectorDef-based createInjector()', () => {
const LOCALE = new InjectionToken<string[]>('LOCALE');
const PRIMITIVE_VALUE = new InjectionToken<string>('PRIMITIVE_VALUE');
const UNDEFINED_VALUE = new InjectionToken<undefined>('UNDEFINED_VALUE');
class ServiceWithDep {
constructor(readonly service: Service) {}
@ -127,6 +130,8 @@ describe('InjectorDef-based createInjector()', () => {
ServiceWithMultiDep,
{provide: LOCALE, multi: true, useValue: 'en'},
{provide: LOCALE, multi: true, useValue: 'es'},
{provide: PRIMITIVE_VALUE, useValue: 'foo'},
{provide: UNDEFINED_VALUE, useValue: undefined},
Service,
{provide: SERVICE_TOKEN, useExisting: Service},
CircularA,
@ -204,6 +209,16 @@ describe('InjectorDef-based createInjector()', () => {
expect(instance).toBe(injector.get(Service));
});
it('injects a useValue token with a primitive value', () => {
const value = injector.get(PRIMITIVE_VALUE);
expect(value).toEqual('foo');
});
it('injects a useValue token with value undefined', () => {
const value = injector.get(UNDEFINED_VALUE);
expect(value).toBeUndefined();
});
it('instantiates a class with useClass and deps', () => {
const instance = injector.get(STATIC_TOKEN);
expect(instance instanceof StaticService).toBeTruthy();