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import MemoryStorage from 'background/infrastructures/MemoryStorage';
describe("background/infrastructures/memory-storage", () => {
it('stores values', () => {
let cache = new MemoryStorage();
cache.set('number', 123);
expect(cache.get('number')).to.equal(123);
cache.set('string', '123');
expect(cache.get('string')).to.equal('123');
cache.set('object', { hello: '123' });
expect(cache.get('object')).to.deep.equal({ hello: '123' });
});
it('returns undefined if no keys', () => {
let cache = new MemoryStorage();
expect(cache.get('no-keys')).to.be.undefined;
})
it('stored on shared memory', () => {
let cache = new MemoryStorage();
cache.set('red', 'apple');
cache = new MemoryStorage();
let got = cache.get('red');
expect(got).to.equal('apple');
});
it('stored cloned objects', () => {
let cache = new MemoryStorage();
let recipe = { sugar: '300g' };
cache.set('recipe', recipe);
recipe.salt = '20g'
let got = cache.get('recipe', recipe);
expect(got).to.deep.equal({ sugar: '300g' });
});
it('throws an error with unserializable objects', () => {
let cache = new MemoryStorage();
expect(() => cache.set('fn', setTimeout)).to.throw();
})
});