const factory = require('./hasValues'); describe('hasValues filter', () => { let filter; beforeEach(function() { filter = factory(); }); it('should be called "hasValues"', function() { expect(filter.name).toEqual('hasValues'); }); it('should return true if the specified property is truthy on any item in the list', function() { expect(filter.process([], 'a')).toEqual(false); expect(filter.process(0, 'a')).toEqual(false); expect(filter.process({}, 'a')).toEqual(false); expect(filter.process([{a: 1}], 'a')).toEqual(true); expect(filter.process([{b: 2}], 'a')).toEqual(false); expect(filter.process([{a: 1, b: 2}], 'a')).toEqual(true); expect(filter.process([{b: 2}, {a: 1}], 'a')).toEqual(true); }); });