fix arrayOk hoverinfo support for finance traces

Author: etpinard

src/traces/ohlc/hover.js

@@ -101,7 +101,9 @@ function hoverSplit(pointData, xval, yval, hovermode) {
     // skip the rest (for this trace) if we didn't find a close point
     if(!closestPoint) return [];
 
-    var hoverinfo = trace.hoverinfo;
+    var cdIndex = closestPoint.index;
+    var di = cd[cdIndex];
+    var hoverinfo = di.hi || trace.hoverinfo;
     var hoverParts = hoverinfo.split('+');
     var isAll = hoverinfo === 'all';
     var hasY = isAll || hoverParts.indexOf('y') !== -1;
@@ -166,7 +168,7 @@ function hoverOnPoints(pointData, xval, yval, hovermode) {
         return t.labels[attr] + Axes.hoverLabelText(ya, trace[attr][i]);
     }
 
-    var hoverinfo = trace.hoverinfo;
+    var hoverinfo = di.hi || trace.hoverinfo;
     var hoverParts = hoverinfo.split('+');
     var isAll = hoverinfo === 'all';
     var hasY = isAll || hoverParts.indexOf('y') !== -1;

test/jasmine/tests/finance_test.js

@@ -1140,6 +1140,13 @@ describe('finance trace hover:', function() {
             exp: {
                 extraText: 'A'
             }
+        }, {
+            type: type,
+            desc: 'just array text with array hoverinfo',
+            traces: [{hoverinfo: ['text', 'text'], text: ['A', 'B']}],
+            exp: {
+                extraText: 'A'
+            }
         }]
         .forEach(function(specs) {
             it('should generate correct hover labels ' + type + ' - ' + specs.desc, function(done) {