gristlabs_grist-core/test/client/lib/UrlState.ts

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import {HistWindow, UrlState} from 'app/client/lib/UrlState';
import {assert} from 'chai';
import {dom} from 'grainjs';
import {popGlobals, pushGlobals} from 'grainjs/dist/cjs/lib/browserGlobals';
import {JSDOM} from 'jsdom';
import fromPairs = require('lodash/fromPairs');
describe('UrlState', function() {
let mockWindow: HistWindow;
function pushState(state: any, title: any, href: string) {
mockWindow.location = new URL(href) as unknown as Location;
}
beforeEach(function() {
mockWindow = {
location: new URL('http://localhost:8080') as unknown as Location,
history: {pushState} as History,
addEventListener: () => undefined,
removeEventListener: () => undefined,
dispatchEvent: () => true,
};
// These grainjs browserGlobals are needed for using dom() in tests.
const jsdomDoc = new JSDOM("<!doctype html><html><body></body></html>");
pushGlobals(jsdomDoc.window);
});
afterEach(function() {
popGlobals();
});
interface State {
[key: string]: string;
}
function encodeUrl(state: State, baseLocation: Location | URL): string {
const url = new URL(baseLocation.href);
for (const key of Object.keys(state)) { url.searchParams.set(key, state[key]); }
return url.href;
}
function decodeUrl(location: Location | URL): State {
const url = new URL(location.href);
return fromPairs(Array.from(url.searchParams.entries()));
}
function updateState(prevState: State, newState: State): State {
return {...prevState, ...newState};
}
function needPageLoad(prevState: State, newState: State): boolean {
return false;
}
async function delayPushUrl(prevState: State, newState: State): Promise<void> {
// no-op
}
it('should produce correct results with configProd', async function() {
mockWindow.location = new URL('https://example.com/?foo=A&bar=B') as unknown as Location;
const urlState = new UrlState<State>(mockWindow, {encodeUrl, decodeUrl, updateState, needPageLoad, delayPushUrl});
assert.deepEqual(urlState.state.get(), {foo: 'A', bar: 'B'});
const link = dom('a', urlState.setLinkUrl({bar: 'C'}));
assert.equal(link.getAttribute('href'), 'https://example.com/?foo=A&bar=C');
assert.equal(urlState.makeUrl({bar: "X"}), 'https://example.com/?foo=A&bar=X');
assert.equal(urlState.makeUrl({foo: 'F', bar: ""}), 'https://example.com/?foo=F&bar=');
await urlState.pushUrl({bar: 'X'});
assert.equal(mockWindow.location.href, 'https://example.com/?foo=A&bar=X');
assert.deepEqual(urlState.state.get(), {foo: 'A', bar: 'X'});
assert.equal(link.getAttribute('href'), 'https://example.com/?foo=A&bar=C');
await urlState.pushUrl({foo: 'F', baz: 'T'});
assert.equal(mockWindow.location.href, 'https://example.com/?foo=F&bar=X&baz=T');
assert.deepEqual(urlState.state.get(), {foo: 'F', bar: 'X', baz: 'T'});
assert.equal(link.getAttribute('href'), 'https://example.com/?foo=F&bar=C&baz=T');
});
});