pie chart hover tests

Author: mdtusz

test/jasmine/tests/hover_pie_test.js

@@ -0,0 +1,73 @@
+var Plotly = require('@src/index');
+var Lib = require('@src/lib');
+
+var createGraphDiv = require('../assets/create_graph_div');
+var destroyGraphDiv = require('../assets/destroy_graph_div');
+var mouseEvent = require('../assets/mouse_event');
+
+describe('pie hovering', function () {
+    var mock = require('@mocks/pie_simple.json');
+
+    describe('event data', function () {
+        var mockCopy = Lib.extendDeep({}, mock),
+            width = mockCopy.layout.width,
+            height = mockCopy.layout.height,
+            gd;
+
+        beforeEach(function (done) {
+            gd = createGraphDiv();
+
+            Plotly.plot(gd, mockCopy.data, mockCopy.layout)
+                .then(done);
+        });
+
+        afterEach(destroyGraphDiv);
+
+        it('should contain the correct fields', function () {
+
+            var expected = [{
+                    "v":4,
+                    "label":"3",
+                    "color":"#ff7f0e",
+                    "i":3,
+                    "hidden":false,
+                    "text":"26.7%",
+                    "px1":[0,-60],
+                    "pxmid":[-44.588689528643656,-40.14783638153149],
+                    "midangle":-0.8377580409572781,
+                    "px0":[-59.67131372209641,6.2717077960592],
+                    "largeArc":0,
+                    "cxFinal":200,
+                    "cyFinal":160
+                }],
+                futureData;
+
+
+            gd.on('plotly_hover', function (data) {
+                futureData = data;
+            });
+
+            mouseEvent('mouseover', width / 2, height / 2);
+            expect(futureData.points).toEqual(expected);
+        });
+
+        it('should fire when moving from one slice to another', function (done) {
+            var count = 0
+                futureData = [];
+
+            gd.on('plotly_hover', function (data) {
+                count++;
+                futureData.push(data);
+                console.log(data);
+            });
+
+            mouseEvent('mouseover', 180, 140);
+            setTimeout(function () {
+                mouseEvent('mouseover', 240, 200);
+                expect(count).toEqual(2);
+                expect(futureData[0]).not.toEqual(futureData[1])
+                done();
+            }, 100);
+        });
+    });
+});