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fix(ivy): apply all overrides from TestBed, not the last one only (#27734) 

In some cases in our tests we can define multiple overrides for a given class. As a result, only the last override is actually applied due to the fact that we store overrides in a Type<->Override map. This update changes the logic to keep all overrides defined in a given test for a Type (i.e. Type<->Override[] map) and applies them one by one at resolution phase. This behavior is more inline with the previous TestBed.

PR Close #27734
This commit is contained in:
Andrew Kushnir 2018-12-18 10:30:14 -08:00 committed by Matias Niemelä
parent cdd737e28b
commit 509aa61619
2 changed files with 16 additions and 11 deletions
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16
packages/core/testing/src/resolvers.ts
View File

@ -22,14 +22,18 @@ export interface Resolver<T> { resolve(type: Type<any>): T|null; }
* Allows to override ivy metadata for tests (via the `TestBed`).
*/
abstract class OverrideResolver<T> implements Resolver<T> {
private overrides = new Map<Type<any>, MetadataOverride<T>>();
private overrides = new Map<Type<any>, MetadataOverride<T>[]>();
private resolved = new Map<Type<any>, T|null>();
abstract get type(): any;
setOverrides(overrides: Array<[Type<any>, MetadataOverride<T>]>) {
this.overrides.clear();
overrides.forEach(([type, override]) => this.overrides.set(type, override));
overrides.forEach(([type, override]) => {
const overrides = this.overrides.get(type) || [];
overrides.push(override);
this.overrides.set(type, overrides);
});
}
getAnnotation(type: Type<any>): T|null {
@ -42,10 +46,12 @@ abstract class OverrideResolver<T> implements Resolver<T> {
if (!resolved) {
resolved = this.getAnnotation(type);
if (resolved) {
const override = this.overrides.get(type);
if (override) {
const overrides = this.overrides.get(type);
if (overrides) {
const overrider = new MetadataOverrider();
resolved = overrider.overrideMetadata(this.type, resolved, override);
overrides.forEach(override => {
resolved = overrider.overrideMetadata(this.type, resolved !, override);
});
}
}
this.resolved.set(type, resolved);

3
packages/platform-browser/test/testing_public_spec.ts
View File

@ -388,8 +388,7 @@ class CompWithUrlTemplate {
.overridePipe(SomePipe, {set: {name: 'somePipe'}})
.overridePipe(SomePipe, {add: {pure: false}});
});
fixmeIvy('FW-788: Support metadata override in TestBed (for AOT-compiled components)')
.it('should work', () => {
it('should work', () => {
const compFixture = TestBed.createComponent(SomeComponent);
compFixture.detectChanges();
expect(compFixture.nativeElement).toHaveText('transformed hello');