inconsistent_results_couchdb_reduce_error.js

inconsistent_results_couchdb_reduce_error.js

    it('should handle user errors in reduce functions', function () {
      return new Pouch(dbName).then(function (db) {
        function getKey(row) {return row.key; }
        db.on('error', function () { /* noop */ });
        return createView(db, {
          map : function (doc) {
            emit(doc.name, doc.data);
          },
          reduce : function (keys, values) {
            return values[0].foo.bar;
          }
        }).then(function (queryFun) {
          var docs = [
            {name: 'arb', _id: '0', data: {foo: {bar: 2}}},
            {name: 'bar', _id: '1', data: 'quux'},
            {name: 'bar', _id: '2', data: {foo: {bar: 1}}},
            {name: 'baz', _id: '3', data: 'quux'}
          ];
          return db.bulkDocs({docs: docs}).then(function () {
            return db.query(queryFun, {group: true});
          }).then(function (res) {
            res.rows.map(getKey).should.deep.equal(['arb', 'bar', 'bar', 'baz']);
            return db.query(queryFun, {reduce: false});
          }).then(function (res) {
            res.rows.map(getKey).should.deep.equal(['arb', 'bar', 'bar', 'baz']);
          });
        });
      });
    });

Occasionally the keys are ['arb', 'bar', 'bar', 'baz'], occasionally they are ['arb', 'bar', 'baz'].