apollo-cache-inmemory
Version:
Core abstract of Caching layer for Apollo Client
70 lines • 3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var inMemoryCache_1 = require("../inMemoryCache");
var objectCache_1 = require("../objectCache");
describe('OptimisticCacheLayer', function () {
function makeLayer(root) {
return new inMemoryCache_1.OptimisticCacheLayer('whatever', root, function () { });
}
describe('returns correct values during recording', function () {
var data = {
Human: { __typename: 'Human', name: 'Mark' },
Animal: { __typename: 'Mouse', name: '🐭' },
};
var dataToRecord = {
Human: { __typename: 'Human', name: 'John' },
};
var underlyingCache = new objectCache_1.ObjectCache(data);
var cache = makeLayer(underlyingCache);
beforeEach(function () {
cache = makeLayer(underlyingCache);
});
it('should passthrough values if not defined in recording', function () {
expect(cache.get('Human')).toBe(data.Human);
expect(cache.get('Animal')).toBe(data.Animal);
});
it('should return values defined during recording', function () {
cache.set('Human', dataToRecord.Human);
expect(cache.get('Human')).toBe(dataToRecord.Human);
expect(underlyingCache.get('Human')).toBe(data.Human);
});
it('should return undefined for values deleted during recording', function () {
expect(cache.get('Animal')).toBe(data.Animal);
cache.delete('Animal');
expect(cache.get('Animal')).toBeUndefined();
expect(cache.toObject()).toHaveProperty('Animal');
expect(underlyingCache.get('Animal')).toBe(data.Animal);
});
});
describe('returns correct result of a recorded transaction', function () {
var data = {
Human: { __typename: 'Human', name: 'Mark' },
Animal: { __typename: 'Mouse', name: '🐭' },
};
var dataToRecord = {
Human: { __typename: 'Human', name: 'John' },
};
var underlyingCache = new objectCache_1.ObjectCache(data);
var cache = makeLayer(underlyingCache);
var recording;
beforeEach(function () {
cache = makeLayer(underlyingCache);
cache.set('Human', dataToRecord.Human);
cache.delete('Animal');
recording = cache.toObject();
});
it('should contain the property indicating deletion', function () {
expect(recording).toHaveProperty('Animal');
});
it('should have recorded the changes made during recording', function () {
expect(recording).toEqual({
Human: dataToRecord.Human,
Animal: undefined,
});
});
it('should keep the original data unaffected', function () {
expect(underlyingCache.toObject()).toEqual(data);
});
});
});
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