test: add scatter3d dflt test cases

Author: etpinard

test/jasmine/tests/scatter3d_test.js

@@ -0,0 +1,68 @@
+var Scatter3D = require('@src/traces/scatter3d');
+var Lib = require('@src/lib');
+var Color = require('@src/components/color');
+
+
+describe('Scatter3D defaults', function() {
+    'use strict';
+
+    var defaultColor = '#d3d3d3';
+
+    function _supply(traceIn) {
+        var traceOut = { visible: true },
+            layout = { _dataLength: 1 };
+
+        Scatter3D.supplyDefaults(traceIn, traceOut, defaultColor, layout);
+        return traceOut;
+    }
+
+    var base = {
+        x: [1, 2, 3],
+        y: [1, 2, 3],
+        z: [1, 2, 1]
+    };
+
+    it('should make marker.color inherit from line.color (scalar case)', function() {
+        var out = _supply(Lib.extendFlat({}, base, {
+            line: { color: 'red' }
+        }));
+
+        expect(out.line.color).toEqual('red');
+        expect(out.marker.color).toEqual('red');
+        expect(out.marker.line.color).toBe(Color.defaultLine, 'but not marker.line.color');
+    });
+
+    it('should make marker.color inherit from line.color (array case)', function() {
+        var color = [1, 2, 3];
+
+        var out = _supply(Lib.extendFlat({}, base, {
+            line: { color: color }
+        }));
+
+        expect(out.line.color).toBe(color);
+        expect(out.marker.color).toBe(color);
+        expect(out.marker.line.color).toBe(Color.defaultLine, 'but not marker.line.color');
+    });
+
+    it('should make line.color inherit from marker.color if scalar)', function() {
+        var out = _supply(Lib.extendFlat({}, base, {
+            marker: { color: 'red' }
+        }));
+
+        expect(out.line.color).toEqual('red');
+        expect(out.marker.color).toEqual('red');
+        expect(out.marker.line.color).toBe(Color.defaultLine);
+    });
+
+    it('should not make line.color inherit from marker.color if array', function() {
+        var color = [1, 2, 3];
+
+        var out = _supply(Lib.extendFlat({}, base, {
+            marker: { color: color }
+        }));
+
+        expect(out.line.color).toBe(defaultColor);
+        expect(out.marker.color).toBe(color);
+        expect(out.marker.line.color).toBe(Color.defaultLine);
+    });
+});