66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
import Cache from '~/lib/utils/cache';
|
|
|
|
describe('Cache', () => {
|
|
const dummyKey = 'just some key';
|
|
const dummyValue = 'more than a value';
|
|
let cache;
|
|
|
|
beforeEach(() => {
|
|
cache = new Cache();
|
|
});
|
|
|
|
describe('get', () => {
|
|
it('return cached data', () => {
|
|
cache.internalStorage[dummyKey] = dummyValue;
|
|
|
|
expect(cache.get(dummyKey)).toBe(dummyValue);
|
|
});
|
|
|
|
it('returns undefined for missing data', () => {
|
|
expect(cache.internalStorage[dummyKey]).toBe(undefined);
|
|
expect(cache.get(dummyKey)).toBe(undefined);
|
|
});
|
|
});
|
|
|
|
describe('hasData', () => {
|
|
it('return true for cached data', () => {
|
|
cache.internalStorage[dummyKey] = dummyValue;
|
|
|
|
expect(cache.hasData(dummyKey)).toBe(true);
|
|
});
|
|
|
|
it('returns false for missing data', () => {
|
|
expect(cache.internalStorage[dummyKey]).toBe(undefined);
|
|
expect(cache.hasData(dummyKey)).toBe(false);
|
|
});
|
|
});
|
|
|
|
describe('remove', () => {
|
|
it('removes data from cache', () => {
|
|
cache.internalStorage[dummyKey] = dummyValue;
|
|
|
|
cache.remove(dummyKey);
|
|
|
|
expect(cache.internalStorage[dummyKey]).toBe(undefined);
|
|
});
|
|
|
|
it('does nothing for missing data', () => {
|
|
expect(cache.internalStorage[dummyKey]).toBe(undefined);
|
|
|
|
cache.remove(dummyKey);
|
|
|
|
expect(cache.internalStorage[dummyKey]).toBe(undefined);
|
|
});
|
|
|
|
it('does not remove wrong data', () => {
|
|
cache.internalStorage[dummyKey] = dummyValue;
|
|
cache.internalStorage[dummyKey + dummyKey] = dummyValue + dummyValue;
|
|
|
|
cache.remove(dummyKey);
|
|
|
|
expect(cache.internalStorage[dummyKey]).toBe(undefined);
|
|
expect(cache.internalStorage[dummyKey + dummyKey]).toBe(dummyValue + dummyValue);
|
|
});
|
|
});
|
|
});
|