om/node_modules/sift/test/objects-test.js

import assert from 'assert';
import sift from '..';

describe(__filename + '#', function () {


    var topic = [
        {
            name: 'craig',
            age: 90001,
            tags: ['coder', 'programmer', 'traveler', 'photographer'],
            address: {
                city: 'Minneapolis',
                state: 'MN',
                phone: '9999999999'
            },
            tags: ['photos', 'cook'],
            hobbies: [
                {
                    name: 'programming',
                    description: 'some desc'
                },
                {
                    name: 'cooking'
                },
                {
                    name: 'photography',
                    places: ['haiti', 'brazil', 'costa rica']
                },
                {
                    name: 'backpacking'
                }
            ]
        },
        {
            name: 'tim',
            age: 90001,
            tags: ['traveler', 'photographer'],
            address: {
                city: 'St. Paul',
                state: 'MN',
                phone: '765765756765'
            },
            tags: ['dj'],
            hobbies: [
                {
                    name: 'biking',
                    description: 'some desc'
                },
                {
                    name: 'DJ'
                },
                {
                    name: 'photography',
                    places: ['costa rica']
                }
            ]
        }
    ];
    xit('throws error if $not is incorrect', function () {
        assert.throws(function () {
            sift({
                $not: ['abc']
            }, topic);
        }, Error);
    });
    it('has sifted through photography in brazil count of 1', function () {
        var sifted = sift({
            hobbies: {
                name: 'photography',
                places: {
                    $in: ['brazil']
                }
            }
        }, topic);
        assert.equal(sifted.length, 1);
    });
    it('has sifted through photography in brazil, haiti, and costa rica count of 1', function () {
        var sifted = sift({
            hobbies: {
                name: 'photography',
                places: {
                    $all: ['brazil', 'haiti', 'costa rica']
                }
            }
        }, topic);
        assert.equal(sifted.length, 1);
        assert.equal(sifted[0], topic[0]);
    });
    it('has a sifted hobbies of photography, cooking, or biking count of 2', function () {
        var sifted = sift({
            hobbies: {
                name: {
                    $in: ['photography', 'cooking', 'biking']
                }
            }
        }, topic);
        assert.equal(sifted.length, 2);
    });
    it('has sifted to complex count of 2', function () {
        var sifted = sift({
            hobbies: {
                name: 'photography',
                places: {
                    $in: ['costa rica']
                }
            },
            address: {
                state: 'MN',
                phone: {
                    $exists: true
                }
            }
        }, topic);

        assert.equal(sifted.length, 2);
    });
    it('has sifted to complex count of 0', function () {
        var sifted = sift({
            hobbies: {
                name: 'photos',
                places: {
                    $in: ['costa rica']
                }
            }
        }, topic);
        assert.equal(sifted.length, 0);
    });
    it('has sifted subobject hobbies count of 3', function () {
        var sifted = sift({
            'hobbies.name': 'photography'
        }, topic);
        assert.equal(sifted.length, 2);
    });
    it('has sifted dot-notation hobbies of photography, cooking, and biking count of 3', function () {
        var sifted = sift({
            'hobbies.name': {
                $in: ['photography', 'cooking', 'biking']
            }
        }, topic);
        assert.equal(sifted.length, 2);
    });
    it('has sifted to complex dot-search count of 2', function () {
        var sifted = sift({
            'hobbies.name': 'photography',
            'hobbies.places': {
                $in: ['costa rica']
            },
            'address.state': 'MN',
            'address.phone': {
                $exists: true
            }
        }, topic);
        assert.equal(sifted.length, 2);
    });
    it('has sifted with selector function count of 2', function () {
        var sifted = sift({
            'name': 'photography',
            'places': {
                $in: ['costa rica']
            }
        }, topic, function (item) {
            return item.hobbies;
        });
        assert.equal(sifted.length, 2);
    });

    describe('nesting', function () {
        it('$eq for nested object', function () {
            var sifted = sift({'sub.num': {'$eq': 10}}, loremArr);
            assert(sifted.length > 0);
            sifted.forEach(function (v) {
                assert.equal(10, v.sub.num);
            });
        });

        it('$ne for nested object', function () {
            var sifted = sift({'sub.num': {'$ne': 10}}, loremArr);
            assert(sifted.length > 0);
            sifted.forEach(function (v) {
                assert.notEqual(10, v.sub.num);
            });
        });

        it('$regex for nested object (one missing key)', function () {
            var persons = [{
              id: 1,
              prof: 'Mr. Moriarty'
            }, {
              id: 2,
              prof: 'Mycroft Holmes'
            }, {
              id: 3,
              name: 'Dr. Watson',
              prof: 'Doctor'
            }, {
              id: 4,
              name: 'Mr. Holmes',
              prof: 'Detective'
            }];
            var q = { 'name': { '$regex': 'n' } };
            var sifted = sift(q, persons);
            assert.deepEqual(sifted, [{
              id: 3,
              name: 'Dr. Watson',
              prof: 'Doctor'
            }]);
        });
    });

    describe('arrays of objects', function () {
        var objects = [
            {
                things: [
                    {
                        id: 123
                    }, {
                        id: 456
                    }
                ]
            }, {
                things: [
                    {
                        id: 123
                    },
                    {
                        id: 789
                    }
                ]
            }
        ];
        it('$eq for array of objects, matches if at least one exists', function () {
            let q = {
                'things.id': 123
            }
            var sifted = sift(q, objects)
            assert.deepEqual(sifted, objects)
            let q2 = {
                'things.id': 789
            }
            var sifted2 = sift(q2, objects)
            assert.deepEqual(sifted2, [objects[1]])
        })
        it('$ne for array of objects, returns if none of the array elements match the query', function () {
            let q = {
                'things.id': {
                    $ne: 123
                }
            }
            var sifted = sift(q, objects)
            assert.deepEqual(sifted, [])
            let q2 = {
                'things.id': {
                    $ne: 789
                }
            }
            var sifted2 = sift(q2, objects)
            assert.deepEqual(sifted2, [objects[0]])
        })
    })

    describe('$where', function() {

      var couples = [{
          name: 'SMITH',
          person: [{
                  firstName: 'craig',
                  gender: 'female',
                  age: 29
              }, {
                  firstName: 'tim',
                  gender: 'male',
                  age: 32
              }

          ]
      }, {
          name: 'JOHNSON',
          person: [{
                  firstName: 'emily',
                  gender: 'female',
                  age: 35
              }, {
                  firstName: 'jacob',
                  gender: 'male',
                  age: 32
              }

          ]
      }];

      it('can filter people', function() {
          var results = sift({'person': {$elemMatch: { 'gender': 'female', 'age': {'$lt': 30}}}}, couples);
          assert.equal(results[0].name, 'SMITH');

          var results = sift({'person': {$elemMatch: { 'gender': 'male', 'age': {'$lt': 30}}}}, [couples[0]]);
          assert.equal(results.length, 0);
      });
    });

    describe('keypath', function () {

        var arr = [
            {
                a: {
                    b: {
                        c: 1,
                        c2: 1
                    }
                }
            }
        ]
        it('can be used', function () {
            assert.equal(sift({'a.b.c':1})(arr[0]), true);
        });
    });
});


var loremArr = [
    {
        'num': 1,
        'pum': 1,
        'sub': {
            'num': 1,
            'pum': 1
        }
    },
    {
        'num': 2,
        'pum': 2,
        'sub': {
            'num': 2,
            'pum': 2
        }
    },
    {
        'num': 3,
        'pum': 3,
        'sub': {
            'num': 3,
            'pum': 3
        }
    },
    {
        'num': 4,
        'pum': 4,
        'sub': {
            'num': 4,
            'pum': 4
        }
    },
    {
        'num': 5,
        'pum': 5,
        'sub': {
            'num': 5,
            'pum': 5
        }
    },
    {
        'num': 6,
        'pum': 6,
        'sub': {
            'num': 6,
            'pum': 6
        }
    },
    {
        'num': 7,
        'pum': 7,
        'sub': {
            'num': 7,
            'pum': 7
        }
    },
    {
        'num': 8,
        'pum': 8,
        'sub': {
            'num': 8,
            'pum': 8
        }
    },
    {
        'num': 9,
        'pum': 9,
        'sub': {
            'num': 9,
            'pum': 9
        }
    },
    {
        'num': 10,
        'pum': 10,
        'sub': {
            'num': 10,
            'pum': 10
        }
    },
    {
        'num': 11,
        'pum': 11,
        'sub': {
            'num': 10,
            'pum': 10
        }
    }
];