Add test to verify execute: false actually disables methods

Author: rreusser

test/jasmine/tests/updatemenus_test.js

@@ -448,6 +448,32 @@ describe('update menus interactions', function() {
         });
     });
 
+    it('should execute the API command when execute = true', function(done) {
+        expect(gd.data[0].line.color).toEqual('blue');
+
+        click(selectHeader(0)).then(function() {
+            return click(selectButton(2));
+        }).then(function() {
+            // Has been changed:
+            expect(gd.data[0].line.color).toEqual('green');
+        }).catch(fail).then(done);
+    });
+
+    it('should not execute the API command when execute = false', function(done) {
+        // This test is identical to the one above, except that it disables
+        // the command by setting execute = false first:
+        expect(gd.data[0].line.color).toEqual('blue');
+
+        Plotly.relayout(gd, 'updatemenus[0].buttons[2].execute', false).then(function() {
+            return click(selectHeader(0));
+        }).then(function() {
+            return click(selectButton(2));
+        }).then(function() {
+            // Is unchanged:
+            expect(gd.data[0].line.color).toEqual('blue');
+        }).catch(fail).then(done);
+    });
+
     it('should emit an event on button click', function(done) {
         var clickCnt = 0;
         var data = [];