Change result of Comments#countsPerTarget.

     *

     * @param {Function} callback Called with the result.

     * @param {Error} callback.err The error object.

     * @param {Object} callback.counts Map of targets to counts:

     * @param {Object[]} callback.counts Array of counts per target:

     *

     *     {

     *         "class__Ext__": 3,

     *         "class__Ext__method-define": 1,

     *         "class__Ext.Panel__cfg-title": 8

     *     }

     *     [

     *         {_id: "class__Ext__": value: 3},

     *         {_id: "class__Ext__method-define": value: 1},

     *         {_id: "class__Ext.Panel__cfg-title": value: 8}

     *     ]

     */

    countsPerTarget: function(callback) {

        var sql = [

            'SELECT',

            '    type,',

            '    cls,',

            '    member,',

            '    count(*) AS count',

            "    CONCAT(type, '__', cls, '__', member) AS _id,",

            "    count(*) AS value",

            'FROM full_visible_comments',

            'WHERE domain = ?',

            'GROUP BY target_id'

        ];

        this.db.query(sql, [this.domain], function(err, rows) {

            var map = {};

            rows.forEach(function(r) {

                var id = [r.type, r.cls, r.member].join("__");

                map[id] = +r.count;

            });

            callback(err, map);

            // convert values to numbers

            rows.forEach(function(r) { r.value = +r.value; });

            callback(err, rows);

        });

    },

    it("#countPerTarget gets number of comments for each target", function(done) {

        comments.countsPerTarget(function(err, counts) {

            expect(counts["class__Ext__"]).toEqual(5);

            var line = counts.filter(function(row) { return row._id === "class__Ext__"; })[0];

            expect(line.value).toEqual(5);

            done();

        });

    });