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* @license
* Copyright 2019 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { expect } from 'chai';
import { AppConfig } from '../interfaces/app-config';
import { getFakeAppConfig } from '../testing/get-fake-app';
import '../testing/setup';
import { clear, get, remove, set, update } from './idb-manager';
import {
InstallationEntry,
RequestStatus
} from '../interfaces/installation-entry';
const VALUE_A: InstallationEntry = {
fid: 'VALUE_A',
registrationStatus: RequestStatus.NOT_STARTED
};
const VALUE_B: InstallationEntry = {
fid: 'VALUE_B',
registrationStatus: RequestStatus.NOT_STARTED
};
describe('idb manager', () => {
let appConfig1: AppConfig;
let appConfig2: AppConfig;
beforeEach(() => {
appConfig1 = { ...getFakeAppConfig(), appName: 'appName1' };
appConfig2 = { ...getFakeAppConfig(), appName: 'appName2' };
});
describe('get / set', () => {
it('sets a value and then gets the same value back', async () => {
await set(appConfig1, VALUE_A);
const value = await get(appConfig1);
expect(value).to.deep.equal(VALUE_A);
});
it('gets undefined for a key that does not exist', async () => {
const value = await get(appConfig1);
expect(value).to.be.undefined;
});
it('sets and gets multiple values with different keys', async () => {
await set(appConfig1, VALUE_A);
await set(appConfig2, VALUE_B);
expect(await get(appConfig1)).to.deep.equal(VALUE_A);
expect(await get(appConfig2)).to.deep.equal(VALUE_B);
});
it('overwrites a value', async () => {
await set(appConfig1, VALUE_A);
await set(appConfig1, VALUE_B);
expect(await get(appConfig1)).to.deep.equal(VALUE_B);
});
});
describe('remove', () => {
it('deletes a key', async () => {
await set(appConfig1, VALUE_A);
await remove(appConfig1);
expect(await get(appConfig1)).to.be.undefined;
});
it('does not throw if key does not exist', async () => {
await remove(appConfig1);
expect(await get(appConfig1)).to.be.undefined;
});
});
describe('clear', () => {
it('deletes all keys', async () => {
await set(appConfig1, VALUE_A);
await set(appConfig2, VALUE_B);
await clear();
expect(await get(appConfig1)).to.be.undefined;
expect(await get(appConfig2)).to.be.undefined;
});
});
describe('update', () => {
it('gets and sets a value atomically, returns the new value', async () => {
let isGetCalled = false;
await set(appConfig1, VALUE_A);
const resultPromise = update(appConfig1, oldValue => {
// get is already called for the same key, but it will only complete
// after update transaction finishes, at which point it will return the
// new value.
expect(isGetCalled).to.be.true;
expect(oldValue).to.deep.equal(VALUE_A);
return VALUE_B;
});
// Called immediately after update, but before update completed.
const getPromise = get(appConfig1);
isGetCalled = true;
// Update returns the new value
expect(await resultPromise).to.deep.equal(VALUE_B);
// If update weren't atomic, this would return the old value.
expect(await getPromise).to.deep.equal(VALUE_B);
});
});
});
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