add missing tests for new trace type icicle

Author: archmoj

test/jasmine/assets/mock_lists.js

@@ -35,6 +35,7 @@ var svgMockList = [
     ['sankey_energy', require('@mocks/sankey_energy.json')],
     ['sunburst_coffee', require('@mocks/sunburst_coffee.json')],
     ['treemap_coffee', require('@mocks/treemap_coffee.json')],
+    ['icicle_coffee', require('@mocks/icicle_coffee.json')],
     ['parcats_bad-displayindex', require('@mocks/parcats_bad-displayindex.json')],
     ['scattercarpet', require('@mocks/scattercarpet.json')],
     ['shapes', require('@mocks/shapes.json')],

test/jasmine/tests/plot_api_react_test.js

@@ -2117,6 +2117,41 @@ describe('Plotly.react and uirevision attributes', function() {
         })
         .then(done, done.fail);
     });
+
+    it('preserves icicle level changes', function(done) {
+        function assertLevel(msg, exp) {
+            expect(gd._fullData[0].level).toBe(exp, msg);
+        }
+
+        Plotly.react(gd, [{
+            type: 'icicle',
+            labels: ['Eve', 'Cain', 'Seth', 'Enos', 'Noam', 'Abel', 'Awan', 'Enoch', 'Azura'],
+            parents: ['', 'Eve', 'Eve', 'Seth', 'Seth', 'Eve', 'Eve', 'Awan', 'Eve'],
+            uirevision: 1
+        }])
+        .then(function() {
+            assertLevel('no set level at start', undefined);
+        })
+        .then(function() {
+            var nodeSeth = d3Select('.slice:nth-child(2)').node();
+            mouseEvent('click', 0, 0, {element: nodeSeth});
+        })
+        .then(function() {
+            assertLevel('after clicking on Seth sector', 'Seth');
+        })
+        .then(function() {
+            return Plotly.react(gd, [{
+                type: 'icicle',
+                labels: ['Eve', 'Cain', 'Seth', 'Enos', 'Noam', 'Abel', 'Awan', 'Enoch', 'Azura', 'Joe'],
+                parents: ['', 'Eve', 'Eve', 'Seth', 'Seth', 'Eve', 'Eve', 'Awan', 'Eve', 'Seth'],
+                uirevision: 1
+            }]);
+        })
+        .then(function() {
+            assertLevel('after reacting with new data, but with same uirevision', 'Seth');
+        })
+        .then(done, done.fail);
+    });
 });
 
 describe('Test Plotly.react + interactions under uirevision:', function() {