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fix(ivy): add temporary hack for deprecatedOverrideProvider (#29324) 

HACK: This is NOT the correct implementation for deprecatedOverrideProvider.
We do not plan to implement this at all since the API is deprecated and
scheduled for removal in V8. This hack is here temporarily for Ivy testing
until we transition apps inside Google to the overrideProvider API. At that
point, we will be able to remove this method entirely. In the meantime, we
can use overrideProvider here to test apps with Ivy that don't care about
eager instantiation. This fixes 97% of cases in our blueprint.

PR Close #29324
This commit is contained in:
Kara Erickson 2019-03-14 18:31:27 -07:00 committed by Matias Niemelä
parent 8ef690c342
commit 7561698675
1 changed files with 12 additions and 2 deletions
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14
packages/core/testing/src/r3_test_bed.ts
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@ -210,7 +210,8 @@ export class TestBedRender3 implements Injector, TestBed {
useValue?: any,
deps?: any[],
}): TestBedStatic {
throw new Error('Render3TestBed.deprecatedOverrideProvider is not implemented');
_getTestBedRender3().deprecatedOverrideProvider(token, provider as any);
return TestBedRender3 as any as TestBedStatic;
}
static get(token: any, notFoundValue: any = Injector.THROW_IF_NOT_FOUND): any {
@ -495,7 +496,16 @@ export class TestBedRender3 implements Injector, TestBed {
deprecatedOverrideProvider(token: any, provider: {useValue: any;}): void;
deprecatedOverrideProvider(
token: any, provider: {useFactory?: Function, useValue?: any, deps?: any[]}): void {
throw new Error('No implemented in IVY');
// HACK: This is NOT the correct implementation for deprecatedOverrideProvider.
// To implement it in a backward compatible way, we would need to record some state
// so we know to prevent eager instantiation of NgModules. However, we don't plan
// to implement this at all since the API is deprecated and scheduled for removal
// in V8. This hack is here temporarily for Ivy testing until we transition apps
// inside Google to the overrideProvider API. At that point, we will be able to
// remove this method entirely. In the meantime, we can use overrideProvider to
// test apps with Ivy that don't care about eager instantiation. This fixes 85%
// of cases in our blueprint.
this.overrideProvider(token, provider as any);
}
createComponent<T>(type: Type<T>): ComponentFixture<T> {