use lowercase for exposed hover button names

Author: archmoj

src/components/modebar/manage.js

@@ -192,13 +192,13 @@ function getButtonGroups(gd) {
                     ) {
                         dragModeGroup.push(b);
                     }
-                } else if(b === 'toggleSpikelines') {
+                } else if(b === 'togglespikelines') {
                     enableHover('toggleSpikelines');
-                } else if(b === 'toggleHover') {
+                } else if(b === 'togglehover') {
                     enableHover('toggleHover');
-                } else if(b === 'hoverCompare') {
+                } else if(b === 'hovercompare') {
                     enableHover('hoverCompareCartesian');
-                } else if(b === 'hoverClosest') {
+                } else if(b === 'hoverclosest') {
                     enableHover('hoverClosestCartesian');
                     enableHover('hoverClosestGeo');
                     enableHover('hoverClosest3d');

test/jasmine/tests/gl3d_plot_interact_test.js

@@ -457,7 +457,7 @@ describe('Test gl3d modebar handlers - perspective case', function() {
                 }
             },
             config: {
-                modeBarButtonsToAdd: ['hoverClosest']
+                modeBarButtonsToAdd: ['hoverclosest']
             }
         };
 

test/jasmine/tests/modebar_test.js

@@ -1067,9 +1067,9 @@ describe('ModeBar', function() {
                 gd = createGraphDiv();
                 Plotly.newPlot(gd, mockData, mockLayout, {
                     modeBarButtonsToAdd: [
-                        'toggleSpikelines',
-                        'hoverCompare',
-                        'hoverClosest'
+                        'togglespikelines',
+                        'hovercompare',
+                        'hoverclosest'
                     ]
                 }).then(function() {
                     modeBar = gd._fullLayout._modeBar;
@@ -1246,7 +1246,7 @@ describe('ModeBar', function() {
 
                 gd = createGraphDiv();
                 Plotly.newPlot(gd, mockData, {}, {
-                    modeBarButtonsToAdd: ['hoverClosest']
+                    modeBarButtonsToAdd: ['hoverclosest']
                 }).then(function() {
                     modeBar = gd._fullLayout._modeBar;
                     done();
@@ -1281,7 +1281,7 @@ describe('ModeBar', function() {
 
                 gd = createGraphDiv();
                 Plotly.newPlot(gd, mockData, {}, {
-                    modeBarButtonsToAdd: ['hoverClosest']
+                    modeBarButtonsToAdd: ['hoverclosest']
                 }).then(function() {
                     modeBar = gd._fullLayout._modeBar;
                     done();
@@ -1367,7 +1367,7 @@ describe('ModeBar', function() {
                 Plotly.newPlot(gd, [
                     {type: 'scatterternary', a: [1], b: [2], c: [3]}
                 ], {}, {
-                    modeBarButtonsToAdd: ['toggleHover']
+                    modeBarButtonsToAdd: ['togglehover']
                 })
                 .then(function() {
                     _run('base');