@data-client/test
Version:
Testing utilities for Data Client
45 lines • 5 kB
JavaScript
import { Controller, __INTERNAL__ } from '@data-client/react';
const {
initialState,
createReducer
} = __INTERNAL__;
export default function mockInitialState(fixtures = []) {
const actions = [];
const dispatch = action => {
actions.push(action);
return Promise.resolve();
};
const controller = new Controller({
dispatch
});
const reducer = createReducer(controller);
fixtures.forEach(fixture => {
dispatchFixture(fixture, fixture.args, controller);
});
return actions.reduce(reducer, initialState);
}
function dispatchFixture(fixture, args, controller, fetchedAt) {
// eslint-disable-next-line prefer-const
let {
endpoint
} = fixture;
const {
response,
error
} = fixture;
if (controller.resolve) {
controller.resolve(endpoint, {
args,
response,
error,
fetchedAt: fetchedAt ?? Date.now()
});
} else {
if (error === true) {
controller.setError(endpoint, ...args, response);
} else {
controller.setResponse(endpoint, ...args, response);
}
}
}
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