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59 lines
2.1 KiB
TypeScript
59 lines
2.1 KiB
TypeScript
import { RepresentationMetadata } from '../../../../src/http/representation/RepresentationMetadata';
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import type {
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JsonInteractionHandler,
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JsonInteractionHandlerInput,
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} from '../../../../src/identity/interaction/JsonInteractionHandler';
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import type { JsonView } from '../../../../src/identity/interaction/JsonView';
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import { ViewInteractionHandler } from '../../../../src/identity/interaction/ViewInteractionHandler';
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import { MethodNotAllowedHttpError } from '../../../../src/util/errors/MethodNotAllowedHttpError';
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describe('A BaseInteractionHandler', (): void => {
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let input: JsonInteractionHandlerInput;
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let source: jest.Mocked<JsonInteractionHandler & JsonView>;
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let handler: ViewInteractionHandler;
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beforeEach(async(): Promise<void> => {
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input = {
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method: 'GET',
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target: { path: 'target' },
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json: { input: 'data' },
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metadata: new RepresentationMetadata(),
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};
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source = {
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getView: jest.fn().mockResolvedValue('view'),
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canHandle: jest.fn(),
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handle: jest.fn().mockResolvedValue('response'),
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handleSafe: jest.fn(),
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};
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handler = new ViewInteractionHandler(source);
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});
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it('can only handle GET and POST requests.', async(): Promise<void> => {
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input.method = 'DELETE';
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await expect(handler.canHandle(input)).rejects.toThrow(MethodNotAllowedHttpError);
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input.method = 'GET';
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await expect(handler.canHandle(input)).resolves.toBeUndefined();
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input.method = 'POST';
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await expect(handler.canHandle(input)).resolves.toBeUndefined();
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});
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it('returns the view on GET requests.', async(): Promise<void> => {
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input.method = 'GET';
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await expect(handler.handle(input)).resolves.toBe('view');
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expect(source.getView).toHaveBeenCalledTimes(1);
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expect(source.getView).toHaveBeenLastCalledWith(input);
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});
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it('calls the handlePost function on POST requests.', async(): Promise<void> => {
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input.method = 'POST';
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await expect(handler.handle(input)).resolves.toBe('response');
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expect(source.handle).toHaveBeenCalledTimes(1);
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expect(source.handle).toHaveBeenLastCalledWith(input);
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});
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});
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