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joplin/packages/lib/services/KvStore.test.js
2021-05-21 15:17:21 +02:00

100 lines
2.7 KiB
JavaScript

const { setupDatabaseAndSynchronizer, db, switchClient } = require('../testing/test-utils.js');
const KvStore = require('../services/KvStore').default;
function setupStore() {
const store = KvStore.instance();
store.setDb(db());
return store;
}
describe('services_KvStore', function() {
beforeEach(async (done) => {
await setupDatabaseAndSynchronizer(1);
await switchClient(1);
done();
});
it('should set and get values', (async () => {
const store = setupStore();
await store.setValue('a', 123);
expect(await store.value('a')).toBe(123);
await store.setValue('a', 123);
expect(await store.countKeys()).toBe(1);
expect(await store.value('a')).toBe(123);
await store.setValue('a', 456);
expect(await store.countKeys()).toBe(1);
expect(await store.value('a')).toBe(456);
await store.setValue('b', 789);
expect(await store.countKeys()).toBe(2);
expect(await store.value('a')).toBe(456);
expect(await store.value('b')).toBe(789);
}));
it('should set and get values with the right type', (async () => {
const store = setupStore();
await store.setValue('string', 'something');
await store.setValue('int', 123);
expect(await store.value('string')).toBe('something');
expect(await store.value('int')).toBe(123);
}));
it('should increment values', (async () => {
const store = setupStore();
await store.setValue('int', 1);
const newValue = await store.incValue('int');
expect(newValue).toBe(2);
expect(await store.value('int')).toBe(2);
expect(await store.incValue('int2')).toBe(1);
expect(await store.countKeys()).toBe(2);
}));
it('should handle non-existent values', (async () => {
const store = setupStore();
expect(await store.value('nope')).toBe(null);
}));
it('should delete values', (async () => {
const store = setupStore();
await store.setValue('int', 1);
expect(await store.countKeys()).toBe(1);
await store.deleteValue('int');
expect(await store.countKeys()).toBe(0);
await store.deleteValue('int'); // That should not throw
}));
it('should increment in an atomic way', (async () => {
const store = setupStore();
await store.setValue('int', 0);
const promises = [];
for (let i = 0; i < 20; i++) {
promises.push(store.incValue('int'));
}
await Promise.all(promises);
expect(await store.value('int')).toBe(20);
}));
it('should search by prefix', (async () => {
const store = setupStore();
await store.setValue('testing:1', 1);
await store.setValue('testing:2', 2);
const results = await store.searchByPrefix('testing:');
expect(results.length).toBe(2);
const numbers = results.map(r => r.value).sort();
expect(numbers[0]).toBe(1);
expect(numbers[1]).toBe(2);
}));
});