Working through slider testing issues

src/components/sliders/attributes.js

@@ -200,6 +200,7 @@ module.exports = {
             valType: 'enumerated',
             values: ['left', 'center', 'right'],
             dflt: 'left',
+            role: 'info',
             description: [
                 'The alignment of the value readout relative to the length of the slider.'
             ].join(' ')
@@ -219,7 +220,7 @@ module.exports = {
             valType: 'string',
             role: 'info',
             description: [
-                'When `currentvalue.visible` is true, this sets the prefix of the lable. If provided,',
+                'When currentvalue.visible is true, this sets the prefix of the lable. If provided,',
                 'it will be joined to the current value with a single space between.'
             ].join(' ')
         },

test/jasmine/tests/sliders_test.js

@@ -0,0 +1,149 @@
+var Sliders = require('@src/components/sliders');
+// var constants = require('@src/components/sliders/constants');
+
+// var d3 = require('d3');
+// var Plotly = require('@lib');
+// var Lib = require('@src/lib');
+// var createGraphDiv = require('../assets/create_graph_div');
+// var destroyGraphDiv = require('../assets/destroy_graph_div');
+
+describe('sliders defaults', function() {
+    'use strict';
+
+    var supply = Sliders.supplyLayoutDefaults;
+
+    var layoutIn, layoutOut;
+
+    beforeEach(function() {
+        layoutIn = {};
+        layoutOut = {};
+    });
+
+    it('should set \'visible\' to false when no steps are present', function() {
+        layoutIn.sliders = [{
+            steps: [{
+                method: 'relayout',
+                args: ['title', 'Hello World']
+            }, {
+                method: 'update',
+                args: [ { 'marker.size': 20 }, { 'xaxis.range': [0, 10] }, [0, 1] ]
+            }, {
+                method: 'animate',
+                args: [ 'frame1', { transition: { duration: 500, ease: 'cubic-in-out' }}]
+            }]
+        }, {
+            bgcolor: 'red'
+        }, {
+            visible: false,
+            steps: [{
+                method: 'relayout',
+                args: ['title', 'Hello World']
+            }]
+        }];
+
+        supply(layoutIn, layoutOut);
+
+        expect(layoutOut.sliders[0].visible).toBe(true);
+        expect(layoutOut.sliders[0].active).toEqual(0);
+        expect(layoutOut.sliders[0].steps[0].args.length).toEqual(2);
+        expect(layoutOut.sliders[0].steps[1].args.length).toEqual(3);
+        expect(layoutOut.sliders[0].steps[2].args.length).toEqual(2);
+
+        expect(layoutOut.sliders[1].visible).toBe(false);
+        expect(layoutOut.sliders[1].active).toBeUndefined();
+
+        expect(layoutOut.sliders[2].visible).toBe(false);
+        expect(layoutOut.sliders[2].active).toBeUndefined();
+    });
+
+    it('should skip over non-object steps', function() {
+        layoutIn.sliders = [{
+            steps: [
+                null,
+                {
+                    method: 'relayout',
+                    args: ['title', 'Hello World']
+                },
+                'remove'
+            ]
+        }];
+
+        supply(layoutIn, layoutOut);
+
+        expect(layoutOut.sliders[0].steps.length).toEqual(1);
+        expect(layoutOut.sliders[0].steps[0]).toEqual({
+            method: 'relayout',
+            args: ['title', 'Hello World'],
+            label: '',
+            _index: 1
+        });
+    });
+
+    it('should skip over steps with array \'args\' field', function() {
+        layoutIn.sliders = [{
+            steps: [{
+                method: 'restyle',
+            }, {
+                method: 'relayout',
+                args: ['title', 'Hello World']
+            }, {
+                method: 'relayout',
+                args: null
+            }, {}]
+        }];
+
+        supply(layoutIn, layoutOut);
+
+        expect(layoutOut.sliders[0].steps.length).toEqual(1);
+        expect(layoutOut.sliders[0].steps[0]).toEqual({
+            method: 'relayout',
+            args: ['title', 'Hello World'],
+            label: '',
+            _index: 1
+        });
+    });
+
+    it('should keep ref to input update menu container', function() {
+        layoutIn.sliders = [{
+            steps: [{
+                method: 'relayout',
+                args: ['title', 'Hello World']
+            }]
+        }, {
+            bgcolor: 'red'
+        }, {
+            visible: false,
+            steps: [{
+                method: 'relayout',
+                args: ['title', 'Hello World']
+            }]
+        }];
+
+        supply(layoutIn, layoutOut);
+
+        expect(layoutOut.sliders[0]._input).toBe(layoutIn.sliders[0]);
+        expect(layoutOut.sliders[1]._input).toBe(layoutIn.sliders[1]);
+        expect(layoutOut.sliders[2]._input).toBe(layoutIn.sliders[2]);
+    });
+
+    it('should default \'bgcolor\' to layout \'paper_bgcolor\'', function() {
+        var steps = [{
+            method: 'relayout',
+            args: ['title', 'Hello World']
+        }];
+
+        layoutIn.sliders = [{
+            steps: steps,
+        }, {
+            bgcolor: 'red',
+            steps: steps
+        }];
+
+        layoutOut.paper_bgcolor = 'blue';
+
+        supply(layoutIn, layoutOut);
+
+        expect(layoutOut.sliders[0].bgcolor).toEqual('blue');
+        expect(layoutOut.sliders[1].bgcolor).toEqual('red');
+    });
+});