Function _assert

test/jasmine/tests/pie_test.js:824–829

(msg, exp)

        var mock = Lib.extendDeep({}, require('../../image/mocks/pie_title_multiple.json'));

        function _assert(msg, exp) {
            return function() {
                var layer = d3Select(gd).select('.pielayer');
                expect(layer.selectAll('.trace').size()).toBe(exp, msg);
            };
        }

        Plotly.newPlot(gd, mock)
        .then(_assert('base', 4))