make hoverlabel text selection query more robust

- so that it doesn't catch the <text>trace name</text> node
  by accident if present.

Author: etpinard

test/jasmine/tests/gl_plot_interact_test.js

@@ -65,7 +65,7 @@ describe('Test gl3d plots', function() {
         expect(path.style('fill')).toEqual(bgColor, 'bgcolor');
         expect(path.style('stroke')).toEqual(borderColor, 'bordercolor');
 
-        var text = node.select('text');
+        var text = node.select('text.nums');
         expect(parseInt(text.style('font-size'))).toEqual(fontSize, 'font.size');
         expect(text.style('font-family').split(',')[0]).toEqual(fontFamily, 'font.family');
         expect(text.style('fill')).toEqual(fontColor, 'font.color');

test/jasmine/tests/hover_label_test.js

@@ -995,7 +995,7 @@ describe('Test hover label custom styling:', function() {
         expect(path.style('fill')).toEqual(expectation.path[0], 'bgcolor');
         expect(path.style('stroke')).toEqual(expectation.path[1], 'bordercolor');
 
-        var text = g.select('text');
+        var text = g.select({hovertext: 'text.nums', axistext: 'text'}[className]);
         expect(parseInt(text.style('font-size'))).toEqual(expectation.text[0], 'font.size');
         expect(text.style('font-family').split(',')[0]).toEqual(expectation.text[1], 'font.family');
         expect(text.style('fill')).toEqual(expectation.text[2], 'font.color');

test/jasmine/tests/hover_pie_test.js

@@ -205,7 +205,7 @@ describe('pie hovering', function() {
                 expect(path.style('fill')).toEqual(style[0], 'bgcolor');
                 expect(path.style('stroke')).toEqual(style[1], 'bordercolor');
 
-                var text = g.select('text');
+                var text = g.select('text.nums');
                 expect(parseInt(text.style('font-size'))).toEqual(style[2], 'font.size');
                 expect(text.style('font-family').split(',')[0]).toEqual(style[3], 'font.family');
                 expect(text.style('fill')).toEqual(style[4], 'font.color');

test/jasmine/tests/mapbox_test.js

@@ -720,7 +720,7 @@ describe('@noCI, mapbox plots', function() {
         })
         .then(function() {
             var path = d3.select('g.hovertext').select('path');
-            var text = d3.select('g.hovertext').select('text');
+            var text = d3.select('g.hovertext').select('text.nums');
 
             expect(path.style('fill')).toEqual('rgb(255, 255, 0)', 'bgcolor');
             expect(text.style('font-size')).toEqual('20px', 'font.size[0]');

test/jasmine/tests/ternary_test.js

@@ -131,7 +131,7 @@ describe('ternary plots', function() {
                 mouseEvent('mousemove', pointPos[0], pointPos[1]);
 
                 var path = d3.select('g.hovertext').select('path');
-                var text = d3.select('g.hovertext').select('text');
+                var text = d3.select('g.hovertext').select('text.nums');
 
                 expect(path.style('stroke')).toEqual('rgb(0, 0, 255)', 'bordercolor');
                 expect(text.style('font-family')).toEqual('Gravitas', 'font.family[0]');