@p-j/eapi-middleware-errorhandler/dist/withErrorHandler.test.js

An Error Handler middleware to work within an EAPI app. Check worker-eapi-template for context.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const withErrorHandler_1 = require("./withErrorHandler");
describe('withErrorHandler', () => {
    let successFn, errorFn, forwardFn, error;
    beforeEach(() => {
        error = new Error();
        successFn = jest.fn(() => 'hello');
        errorFn = jest.fn(() => {
            throw error;
        });
        forwardFn = jest.fn();
    });
    it('to not do anything if the passed function succed', async () => {
        const request = new Request('https://example.com');
        const event = new FetchEvent('fetch', { request });
        const requestHandler = (0, withErrorHandler_1.withErrorHandler)()(successFn);
        const response = await requestHandler({ event, request, params: {} });
        expect(successFn.mock.calls.length).toBe(1);
        expect(response).toBe('hello');
    });
    it('produce an empty 500 response in case of failure', async () => {
        const request = new Request('https://example.com');
        const event = new FetchEvent('fetch', { request });
        const requestHandler = (0, withErrorHandler_1.withErrorHandler)()(errorFn);
        const response = await requestHandler({ event, request, params: {} });
        expect(errorFn.mock.calls.length).toBe(1);
        expect(response.status).toBe(500);
        expect(response.body).toBe(null);
    });
    it('produce a detailed 500 response in case of failure & debug=true is in the URL', async () => {
        const request = new Request('https://example.com?debug=true');
        const event = new FetchEvent('fetch', { request });
        const requestHandler = (0, withErrorHandler_1.withErrorHandler)({ enableDebug: true })(errorFn);
        const response = await requestHandler({ event, request, params: {} });
        expect(errorFn.mock.calls.length).toBe(1);
        expect(response.status).toBe(500);
        expect(await response.text()).toBe(error.stack);
    });
    it('call the forward function when given', async () => {
        const request = new Request('https://example.com');
        const event = new FetchEvent('fetch', { request });
        const requestHandler = (0, withErrorHandler_1.withErrorHandler)({ forwardError: forwardFn })(errorFn);
        const response = await requestHandler({ event, request, params: {} });
        expect(errorFn.mock.calls.length).toBe(1);
        expect(forwardFn.mock.calls.length).toBe(1);
        expect(response.status).toBe(500);
        expect(response.body).toBe(null);
    });
});
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