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import AccountDataCache, { AccountFetchRetryAction } from '../src/renderer/lib/account-data-cache';
import { IAccountData } from '../src/shared/daemon-rpc-types';
import * as sinon from 'sinon';
import { expect, spy } from 'chai';
describe('IAccountData cache', () => {
const dummyAccountToken = '9876543210';
const dummyAccountData: IAccountData = {
expiry: new Date('2038-01-01').toISOString(),
};
let clock: sinon.SinonFakeTimers;
beforeEach(() => {
clock = sinon.useFakeTimers({ shouldAdvanceTime: true });
});
afterEach(() => {
clock.restore();
});
it('should notify when fetch succeeds on the first attempt', async () => {
const cache = new AccountDataCache(
(_token) => Promise.resolve(dummyAccountData),
(_data) => {},
);
const watcher = new Promise((resolve, reject) => {
cache.fetch(dummyAccountToken, {
onFinish: () => resolve(),
onError: (_error: Error) => {
reject();
return AccountFetchRetryAction.stop;
},
});
});
return expect(watcher).to.eventually.be.fulfilled;
});
it('should notify when fetch fails on the first attempt', async () => {
const cache = new AccountDataCache(
(_token) => Promise.reject(new Error('Fetch fail')),
(_data) => {},
);
const watcher = new Promise((resolve, reject) => {
cache.fetch(dummyAccountToken, {
onFinish: (_reason?: any) => resolve(),
onError: (_error: Error) => {
reject();
return AccountFetchRetryAction.stop;
},
});
});
return expect(watcher).to.eventually.be.rejected;
});
it('should update when fetch succeeds on the first attempt', async () => {
const update = new Promise((resolve, reject) => {
const cache = new AccountDataCache((_) => Promise.resolve(dummyAccountData), () => resolve());
cache.fetch(dummyAccountToken, {
onFinish: spy(),
onError: (_error: Error) => {
reject();
return AccountFetchRetryAction.stop;
},
});
});
return expect(update).to.eventually.be.fulfilled;
});
it('should update when fetch succeeds on the second attempt', async () => {
const update = new Promise((resolve, reject) => {
let firstAttempt = true;
const fetch = () => {
if (firstAttempt) {
firstAttempt = false;
setTimeout(() => clock.tick(9000), 0);
return Promise.reject(new Error('First attempt fails'));
} else {
resolve();
return Promise.resolve(dummyAccountData);
}
};
const cache = new AccountDataCache(fetch, () => resolve());
cache.fetch(dummyAccountToken, {
onFinish: () => reject(),
onError: spy((_error: Error) => AccountFetchRetryAction.retry),
});
});
return expect(update).to.eventually.be.fulfilled;
});
it('should not retry if told to stop', async () => {
const update = new Promise((resolve, reject) => {
let firstAttempt = true;
const fetch = () => {
if (firstAttempt) {
firstAttempt = false;
setTimeout(() => clock.tick(14000), 0);
return Promise.reject(new Error('First attempt fails'));
} else {
reject();
return Promise.resolve(dummyAccountData);
}
};
const cache = new AccountDataCache(fetch, () => resolve());
setTimeout(resolve, 12000);
cache.fetch(dummyAccountToken, {
onFinish: spy(),
onError: spy((_error: Error) => AccountFetchRetryAction.stop),
});
});
return expect(update).to.eventually.be.fulfilled;
});
it('should cancel first fetch', async () => {
const firstError = spy((_error: Error) => AccountFetchRetryAction.stop);
const secondSuccess = spy();
const update = new Promise<IAccountData>((resolve, reject) => {
let firstAttempt = true;
const fetch = (_token: string) => {
if (firstAttempt) {
firstAttempt = false;
cache.fetch('1231231231', {
onFinish: secondSuccess,
onError: () => {
reject();
return AccountFetchRetryAction.stop;
},
});
return new Promise<IAccountData>((resolve) => {
setTimeout(() => resolve(dummyAccountData), 1000);
});
} else {
reject();
return Promise.resolve(dummyAccountData);
}
};
const cache = new AccountDataCache(fetch, (_accountData?: IAccountData) => {
resolve();
});
setTimeout(resolve, 12000);
cache.fetch(dummyAccountToken, {
onFinish: reject,
onError: firstError,
});
});
return expect(update).to.eventually.be.fulfilled.then(() => {
expect(firstError).to.have.been.called.once;
expect(secondSuccess).to.have.been.called.once;
return;
});
});
});
|
