add surface defaults tests

Author: etpinard

test/jasmine/tests/surface_test.js

@@ -0,0 +1,137 @@
+var Surface = require('@src/traces/surface');
+
+
+describe('Test surface', function() {
+    'use strict';
+
+    describe('supplyDefaults', function() {
+        var supplyDefaults = Surface.supplyDefaults;
+
+        var defaultColor = '#444',
+            layout = {};
+
+        var traceIn, traceOut;
+
+        beforeEach(function() {
+            traceOut = {};
+        });
+
+        it('should set \'visible\' to false if \'z\' isn\'t provided', function() {
+            traceIn = {};
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.visible).toBe(false);
+        });
+
+        it('should fill \'x\' and \'y\' if not provided', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]]
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.x).toEqual([0,1,2]);
+            expect(traceOut.y).toEqual([0,1]);
+        });
+
+        it('should coerce \'project\' if contours or highlight lines are enabled', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]],
+                contours: {
+                    x: { show: true }
+                }
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.contours.x.project).toEqual({ x: false, y: false, z: false });
+            expect(traceOut.contours.y).toEqual({ show: false, highlight: false });
+            expect(traceOut.contours.z).toEqual({ show: false, highlight: false });
+        });
+
+        it('should coerce contour style attributes if contours lines are enabled', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]],
+                contours: {
+                    x: { show: true }
+                }
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.contours.x.color).toEqual('#000');
+            expect(traceOut.contours.x.width).toEqual(2);
+            expect(traceOut.contours.x.usecolormap).toEqual(false);
+
+            ['y', 'z'].forEach(function(ax) {
+                expect(traceOut.contours[ax].color).toBeUndefined();
+                expect(traceOut.contours[ax].width).toBeUndefined();
+                expect(traceOut.contours[ax].usecolormap).toBeUndefined();
+            });
+        });
+
+        it('should coerce colorscale and colorbar attributes', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]]
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.cauto).toBe(true);
+            expect(traceOut.cmin).toBeUndefined();
+            expect(traceOut.cmax).toBeUndefined();
+            expect(traceOut.colorscale).toEqual([
+                [0, 'rgb(5,10,172)'],
+                [0.35, 'rgb(106,137,247)'],
+                [0.5, 'rgb(190,190,190)'],
+                [0.6, 'rgb(220,170,132)'],
+                [0.7, 'rgb(230,145,90)'],
+                [1, 'rgb(178,10,28)']
+            ]);
+            expect(traceOut.showscale).toBe(true);
+            expect(traceOut.colorbar).toBeDefined();
+        });
+
+        it('should coerce \'c\' attributes with \'z\' if \'c\' isn\'t present', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]],
+                zauto: false,
+                zmin: 0,
+                zmax: 10
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.cauto).toEqual(false);
+            expect(traceOut.cmin).toEqual(0);
+            expect(traceOut.cmax).toEqual(10);
+        });
+
+        it('should coerce \'c\' attributes with \'c\' values regardless of `\'z\' if \'c\' is present', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]],
+                zauto: false,
+                zmin: 0,
+                zmax: 10,
+                cauto: true,
+                cmin: -10,
+                cmax: 20
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.cauto).toEqual(true);
+            expect(traceOut.cmin).toEqual(-10);
+            expect(traceOut.cmax).toEqual(20);
+        });
+
+        it('should default \'c\' attributes with if \'surfacecolor\' is present', function() {
+            traceIn = {
+                z: [[1,2,3], [2,1,2]],
+                surfacecolor: [[2,1,2], [1,2,3]],
+                zauto: false,
+                zmin: 0,
+                zmax: 10
+            };
+
+            supplyDefaults(traceIn, traceOut, defaultColor, layout);
+            expect(traceOut.cauto).toEqual(true);
+            expect(traceOut.cmin).toBeUndefined();
+            expect(traceOut.cmax).toBeUndefined();
+        });
+    });
+});