import expect from 'expect';

import { memoryStore } from './memoryStore';

describe('memoryStore', () => {
    it('should allow to store and retrieve a value', () => {
        const store = memoryStore();
        store.setItem('foo', 'bar');
        expect(store.getItem('foo')).toEqual('bar');
    });
    describe('removeItem', () => {
        it('should remove an item', () => {
            const store = memoryStore();
            store.setItem('foo', 'bar');
            store.setItem('hello', 'world');
            store.removeItem('foo');
            expect(store.getItem('foo')).toEqual(undefined);
            expect(store.getItem('hello')).toEqual('world');
        });
    });
    describe('removeItems', () => {
        it('should remove all items with the given prefix', () => {
            const store = memoryStore();
            store.setItem('foo', 'bar');
            store.setItem('foo2', 'bar2');
            store.setItem('foo3', 'bar3');
            store.setItem('hello', 'world');
            store.removeItems('foo');
            expect(store.getItem('foo')).toEqual(undefined);
            expect(store.getItem('foo2')).toEqual(undefined);
            expect(store.getItem('foo3')).toEqual(undefined);
            expect(store.getItem('hello')).toEqual('world');
        });
    });
    describe('reset', () => {
        it('should reset the store', () => {
            const store = memoryStore();
            store.setItem('foo', 'bar');
            store.reset();
            expect(store.getItem('foo')).toEqual(undefined);
        });
    });
});