add hrName related plot schema tests

Author: etpinard

shelly/plotlyjs/static/plotlyjs/tests/plotschema_test.js

@@ -154,4 +154,42 @@ describe('plot schema', function() {
             }
         );
     });
+
+    it('axis and bin attributes should have `human-readable name` field', function() {
+        var HR_NAME = '_hrName';
+
+        assertPlotSchema(
+            function(attr, attrName) {
+                if(isValObject(attr) || !isPlainObject(attr)) return;
+
+                if(attrName === 'xbins') {
+                    expect(attr[HR_NAME]).toEqual('x_bins');
+                }
+                else if(attrName === 'ybins') {
+                    expect(attr[HR_NAME]).toEqual('y_bins');
+                }
+                else if(attrName === 'xaxis') {
+                    expect(attr[HR_NAME]).toEqual('x_axis');
+                }
+                else if(attrName === 'yaxis') {
+                    expect(attr[HR_NAME]).toEqual('y_axis');
+                }
+                else if(attrName === 'zaxis') {
+                    expect(attr[HR_NAME]).toEqual('z_axis');
+                }
+                else if(attrName === 'lonaxis') {
+                    expect(attr[HR_NAME]).toEqual('lon_axis');
+                }
+                else if(attrName === 'lataxis') {
+                    expect(attr[HR_NAME]).toEqual('lat_axis');
+                }
+                else if(attrName === 'radialaxis') {
+                    expect(attr[HR_NAME]).toEqual('radial_axis');
+                }
+                else if(attrName === 'angularaxis') {
+                    expect(attr[HR_NAME]).toEqual('angular_axis');
+                }
+            }
+        )
+    });
 });