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Add stronger types #413

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Add stronger types #413

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b880be9
Add stronger types
Sep 11, 2023
04c9711
Fix review feedback
Christian24 Sep 25, 2023
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14 changes: 10 additions & 4 deletions projects/testing-library/src/lib/models.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Type, DebugElement } from '@angular/core';
import { Type, DebugElement, ModuleWithProviders, EnvironmentProviders, TypeProvider } from '@angular/core';
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { Routes } from '@angular/router';
import { BoundFunction, Queries, queries, Config as dtlConfig, PrettyDOMOptions } from '@testing-library/dom';
Expand Down Expand Up @@ -65,6 +65,12 @@ export interface RenderResult<ComponentType, WrapperType = ComponentType> extend
) => Promise<void>;
}

export interface ProviderInterface {
provide: any;
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Hi, thanks for creating this PR.

The reason why this is typed as any is because it's also like that within the Angular TestBed. Let me think on this for a while longer before deciding to merge this in.

Do you think this could potentially break something?

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Thanks for the feedback. Take your time. I know this is different from the Implementation in Angular and I have been thinking about raising an issue with them as well.

So with all the types I looked at Angular proper (not the Testbed) and adapted accordingly. The imports type is straight from Angular proper.

The providers types I basically looked at what does Angular proper have as type definition and made it a bit more loose. There is a Provider type in Angular, but intentionally I only tried to mimic the structure and not the types. useValue and provide are still any. I basically want to make it easier for people writing tests. Because as it is now you get no auto completion or even error if you make a mistake.

That said I do not know if this could potentially break something.

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I opened an issue in the angular repo: angular/angular#51765

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Apparently the Angular team is already at it: angular/angular#37178

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Thanks @Christian24 , because the Angular team is busy with it I want to wait until they provide the proper types for it. Otherwise it could lead into breaking changes or other things.

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I agree. I subscribed myself to the PR. I will update mine as soon as it is merged.

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Sounds like a plan!

useValue: any;
multi?: boolean;
}

export interface RenderComponentOptions<ComponentType, Q extends Queries = typeof queries> {
/**
* @description
Expand Down Expand Up @@ -128,7 +134,7 @@ export interface RenderComponentOptions<ComponentType, Q extends Queries = typeo
* ]
* })
*/
providers?: any[];
providers?: Array<ProviderInterface | TypeProvider | EnvironmentProviders>;
/**
* @description
* A collection of imports needed to render the component, for example, shared modules.
Expand All @@ -147,7 +153,7 @@ export interface RenderComponentOptions<ComponentType, Q extends Queries = typeo
* ]
* })
*/
imports?: any[];
imports?: Array<Type<any> | ModuleWithProviders<unknown> | any[]>;
/**
* @description
* A collection of schemas needed to render the component.
Expand Down Expand Up @@ -231,7 +237,7 @@ export interface RenderComponentOptions<ComponentType, Q extends Queries = typeo
* ]
* })
*/
componentProviders?: any[];
componentProviders?: Array<ProviderInterface | TypeProvider | EnvironmentProviders>;
/**
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* @description
* Collection of child component specified providers to override with
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