add click event test:

- use mouse event asset to simulation an svg2d click event
- plotly_click is a combinaison of a mousemove, mousedown and mouseup
  mouse events
- use that to inspect click event data

Author: etpinard

test/jasmine/tests/click_test.js

@@ -0,0 +1,55 @@
+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('click event', function() {
+    var mock = require('@mocks/14.json');
+
+    describe('event data', function() {
+        var mockCopy = Lib.extendDeep({}, mock),
+            clientX = 351,
+            clientY = 223,
+            gd;
+
+        function click() {
+            mouseEvent('mousemove', clientX, clientY);
+            mouseEvent('mousedown', clientX, clientY);
+            mouseEvent('mouseup', clientX, clientY);
+        }
+
+        beforeEach(function(done) {
+            gd = createGraphDiv();
+
+            Plotly.plot(gd, mockCopy.data, mockCopy.layout)
+                .then(done);
+        });
+
+        afterEach(destroyGraphDiv);
+
+        it('should contain the correct fields', function() {
+            var futureData;
+
+            gd.on('plotly_click', function(data) {
+                futureData = data;
+            });
+
+            click();
+
+            expect(futureData.points.length).toEqual(1);
+
+            var pt = futureData.points[0];
+            expect(Object.keys(pt)).toEqual([
+                'data', 'fullData', 'curveNumber', 'pointNumber',
+                'x', 'y', 'xaxis', 'yaxis'
+            ]);
+            expect(pt.curveNumber).toEqual(0);
+            expect(pt.pointNumber).toEqual(11);
+            expect(pt.x).toEqual(0.125);
+            expect(pt.y).toEqual(2.125);
+        });
+    });
+});