83 lines
2.5 KiB
TypeScript
83 lines
2.5 KiB
TypeScript
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/*
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This file is part of GNU Taler
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(C) 2021 Taler Systems S.A.
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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import { ComponentChildren, FunctionalComponent, h, VNode } from "preact";
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import { MockEnvironment, Query } from "./mock.js";
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import { SWRConfig } from "swr";
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export { Query };
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/**
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* Helper for hook that use SWR inside.
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*
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* buildTestingContext() will return a testing context
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*
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*/
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export class SwrMockEnvironment extends MockEnvironment {
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constructor(debug = false) {
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super(debug);
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}
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mockApiIfNeeded(): void {
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null; // do nothing
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}
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public buildTestingContext(): FunctionalComponent<{
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children: ComponentChildren;
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}> {
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const __REGISTER_REQUEST = this.registerRequest.bind(this);
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return function TestingContext({
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children,
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}: {
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children: ComponentChildren;
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}): VNode {
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return h(
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SWRConfig,
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{
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value: {
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fetcher: (url: string, options: object) => {
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const mocked = __REGISTER_REQUEST(
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{
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method: "get",
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url,
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},
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{},
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);
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if (!mocked) return undefined;
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if (mocked.status > 400) {
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const e: any = Error("simulated error for testing");
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//example error handling from https://swr.vercel.app/docs/error-handling
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e.status = mocked.status;
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throw e;
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}
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return mocked.payload;
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},
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//These options are set for ending the test faster
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//otherwise SWR will create timeouts that will live after the test finished
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loadingTimeout: 0,
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dedupingInterval: 0,
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shouldRetryOnError: false,
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errorRetryInterval: 0,
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errorRetryCount: 0,
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//clean cache for every test
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provider: () => new Map(),
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},
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},
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children,
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);
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};
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}
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}
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