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refactor: Implement empty canHandle on base class. (#289)

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This commit is contained in:
Ruben Verborgh
2020-10-30 17:56:39 +01:00
committed by GitHub
parent ac8423d28d
commit 1a45b65df7
19 changed files with 23 additions and 46 deletions
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12
test/unit/util/AsyncHandler.test.ts
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@@ -1,7 +1,17 @@
import type { AsyncHandler } from '../../../src/util/AsyncHandler';
import { AsyncHandler } from '../../../src/util/AsyncHandler';
import { StaticAsyncHandler } from '../../util/StaticAsyncHandler';
describe('An AsyncHandler', (): void => {
it('supports any input by default.', async(): Promise<void> => {
class EmptyHandler<T> extends AsyncHandler<T, null> {
public async handle(): Promise<null> {
return null;
}
}
const handler = new EmptyHandler<string>();
await expect(handler.canHandle('test')).resolves.toBeUndefined();
});
it('calls canHandle and handle when handleSafe is called.', async(): Promise<void> => {
const handlerTrue: AsyncHandler<any, any> = new StaticAsyncHandler(true, null);
const canHandleFn = jest.fn(async(input: any): Promise<void> => input);