pouchdb-find/test/test-suite-1/test.pick-fields.js

'use strict';

module.exports = function (dbType, context) {

  describe(dbType + ': pick fields', function () {

    it('should pick shallow fields', function () {
      var db = context.db;
      return db.bulkDocs([
        { name: 'Mario', _id: 'mario', series: 'Mario', debut: {year: 1981, month: 'May'}  },
        { name: 'Jigglypuff', _id: 'puff', series: 'Pokemon', debut: {year: 1996, month: 'June'} },
        { name: 'Link', _id: 'link', series: 'Zelda', debut: {year: 1986, month: 'July'} },
        { name: 'Donkey Kong', _id: 'dk', series: 'Mario', debut: {year: 1981, month: 'April'} },
        { name: 'Pikachu', series: 'Pokemon', _id: 'pikachu',
          debut: {year: 1996, month: 'September'} },
        { name: 'Captain Falcon', _id: 'falcon', series: 'F-Zero',
          debut: {year: 1990, month: 'December'} }
      ]).then(function () {
        return db.find({
          selector: {_id: {$gt: null}},
          sort: ['_id'],
          fields: ['name']
        });
      }).then(function (res) {
        res.docs.should.deep.equal([
          { name: 'Donkey Kong' },
          { name: 'Captain Falcon' },
          { name: 'Link' },
          { name: 'Mario' },
          { name: 'Pikachu' },
          { name: 'Jigglypuff' } ]);
      });
    });
    
    it('should pick deep fields', function () {
      var db = context.db;
      return db.bulkDocs([
        {_id: 'a', foo: {bar: 'yo'}, bar: {baz: 'hey'}},
        {_id: 'b', foo: {bar: 'sup'}, bar: {baz: 'dawg'}},
        {_id: 'c', foo: true, bar: "yo"},
        {_id: 'd', foo: null, bar: []}
      ]).then(function () {
        return db.find({
          selector: {_id: {$gt: null}},
          sort: ['_id'],
          fields: ['_id', 'bar.baz']
        });
      }).then(function (res) {
        res.docs.should.deep.equal([
          { _id: 'a', bar: { baz: 'hey' } },
          { _id: 'b', bar: { baz: 'dawg' } },
          { _id: 'c' },
          { _id: 'd' } ]);
      });
    });

    it('should pick really deep fields with escape', function () {
      var db = context.db;
      return db.bulkDocs([
        {_id: 'a', really: {deeply: {nested: {'escaped.field': 'You found me!'}}}}
      ]).then(function () {
        return db.find({
          selector: {_id: {$gt: null}},
          fields: ['really.deeply.nested.escaped\\.field']
        });
      }).then(function (res) {
        res.docs.should.deep.equal([
          { really: { deeply: { nested: { 'escaped.field': 'You found me!' } } } }
        ]);
      });
    });
    
  });
  
};