scattergl: 🔒 down handling of texttemplate with fewer elements than data

Author: antoinerg

Diff for: test/image/baselines/gl2d_texttemplate.png

@@ -15,7 +15,7 @@
         "mode": "markers+text",
         "x": [3, 2, 1, 0],
         "y": [0, 1, 4, 9],
-        "text": ["1", "2", "3"],
+        "texttemplate": ["1", "2", "3"],
         "textposition": "top center",
         "xaxis": "x2",
         "yaxis": "y2"

Diff for: test/image/mocks/gl2d_texttemplate.json

@@ -117,18 +117,21 @@ describe('end-to-end scattergl tests', function() {
         }).catch(failTest).then(done);
     });
 
-    it('@gl should handle a plot with less text labels than data points', function(done) {
-        expect(function() {
-            Plotly.plot(gd, [{
-                'type': 'scattergl',
-                'mode': 'markers+text',
-                'x': [3, 2, 1, 0],
-                'y': [0, 1, 4, 9],
-                'text': ['1', '2', '3'],
-                'textposition': 'top center'
-            }]);
-        }).not.toThrow();
-        done();
+    ['text', 'texttemplate'].forEach(function(attr) {
+        it('@gl should handle a plot with less ' + attr + ' labels than data points', function(done) {
+            expect(function() {
+                var mock = {
+                    'type': 'scattergl',
+                    'mode': 'markers+text',
+                    'x': [3, 2, 1, 0],
+                    'y': [0, 1, 4, 9],
+                    'textposition': 'top center'
+                };
+                mock[attr] = ['1', '2', '3'];
+                Plotly.plot(gd, [mock]);
+            }).not.toThrow();
+            done();
+        });
     });
 
     it('@gl should be able to toggle visibility', function(done) {