Add failing test fro transition transform

Author: rreusser

test/jasmine/tests/transition_test.js

@@ -65,6 +65,41 @@ function runTests(transitionDuration) {
                 }).catch(fail).then(done);
         });
 
+        it('transitions a transform', function(done) {
+            Plotly.restyle(gd, {
+                'transforms[0]': {
+                    enabled: true,
+                    type: 'filter',
+                    operation: '<',
+                    filtersrc: 'x',
+                    value: 10
+                }
+            }, [0]).then(function() {
+                expect(gd._fullData[0].transforms).toEqual([{
+                    enabled: true,
+                    type: 'filter',
+                    operation: '<',
+                    filtersrc: 'x',
+                    value: 10
+                }]);
+
+                return Plots.transition(gd, [{
+                    'transforms[0].operation': '>'
+                }], null, [0],
+                    {redraw: true, duration: transitionDuration},
+                    {duration: transitionDuration, easing: 'cubic-in-out'}
+                );
+            }).then(function() {
+                expect(gd._fullData[0].transforms).toEqual([{
+                    enabled: true,
+                    type: 'filter',
+                    operation: '>',
+                    filtersrc: 'x',
+                    value: 10
+                }]);
+            }).catch(fail).then(done);
+        });
+
         // This doesn't really test anything that the above tests don't cover, but it combines
         // the behavior and attempts to ensure chaining and events happen in the correct order.
         it('transitions may be chained', function(done) {