Adding unit tests for rule based styling

test/spec/ol/layer/vectorlayer.test.js

@@ -0,0 +1,53 @@
+goog.provide('ol.test.layer.Vector');
+
+describe('ol.layer.Vector', function() {
+
+  describe('#groupFeaturesBySymbolizerLiteral()', function() {
+
+    it('groups equal symbolizers', function() {
+      var layer = new ol.layer.Vector({
+        source: new ol.source.Vector({
+          projection: ol.Projection.getFromCode('EPSG:4326')
+        }),
+        style: new ol.style.Style({
+          rules: [
+            new ol.style.Rule({
+              symbolizers: [
+                new ol.style.Line({
+                  strokeWidth: 2,
+                  strokeStyle: new ol.Expression('colorProperty'),
+                  opacity: 1
+                })
+              ]
+            })
+          ]
+        })
+      });
+      var features = [
+        new ol.Feature({
+          g: new ol.geom.LineString([[-10, -10], [10, 10]]),
+          colorProperty: '#BADA55'
+        }),
+        new ol.Feature({
+          g: new ol.geom.LineString([[-10, 10], [10, -10]]),
+          colorProperty: '#013'
+        }),
+        new ol.Feature({
+          g: new ol.geom.LineString([[10, -10], [-10, -10]]),
+          colorProperty: '#013'
+        })
+      ];
+
+      var groups = layer.groupFeaturesBySymbolizerLiteral(features);
+      expect(groups.length).toBe(2);
+      expect(groups[0][0].length).toBe(1);
+      expect(groups[0][1].strokeStyle).toBe('#BADA55');
+      expect(groups[1][0].length).toBe(2);
+      expect(groups[1][1].strokeStyle).toBe('#013');
+
+      layer.dispose();
+    });
+
+  });
+
+});

test/spec/ol/style/line.test.js

@@ -1,5 +1,30 @@
 goog.provide('ol.test.style.Line');
 
+describe('ol.style.LineLiteral', function() {
+
+  describe('#equals()', function() {
+
+    it('identifies equal literals', function() {
+      var literal = new ol.style.LineLiteral({
+        strokeWidth: 3,
+        strokeStyle: '#BADA55'
+      });
+      var equalLiteral = new ol.style.LineLiteral({
+        strokeStyle: '#BADA55',
+        strokeWidth: 3
+      });
+      var differentLiteral = new ol.style.LineLiteral({
+        strokeStyle: '#013',
+        strokeWidth: 3
+      });
+      expect(literal.equals(equalLiteral)).toBe(true);
+      expect(literal.equals(differentLiteral)).toBe(false);
+    });
+
+  });
+
+});
+
 describe('ol.style.Line', function() {
 
   describe('constructor', function() {

test/spec/ol/style/polygon.test.js

@@ -1,5 +1,30 @@
 goog.provide('ol.test.style.Polygon');
 
+describe('ol.style.PolygonLiteral', function() {
+
+  describe('#equals()', function() {
+
+    it('identifies equal literals', function() {
+      var literal = new ol.style.PolygonLiteral({
+        strokeWidth: 3,
+        fillStyle: '#BADA55'
+      });
+      var equalLiteral = new ol.style.PolygonLiteral({
+        fillStyle: '#BADA55',
+        strokeWidth: 3
+      });
+      var differentLiteral = new ol.style.PolygonLiteral({
+        fillStyle: '#013',
+        strokeWidth: 3
+      });
+      expect(literal.equals(equalLiteral)).toBe(true);
+      expect(literal.equals(differentLiteral)).toBe(false);
+    });
+
+  });
+
+});
+
 describe('ol.style.Polygon', function() {
 
   describe('constructor', function() {

test/spec/ol/style/rule.test.js

@@ -0,0 +1,33 @@
+goog.provide('ol.test.style.Rule');
+
+describe('ol.style.Rule', function() {
+
+  describe('#applies()', function() {
+    var feature = new ol.Feature(),
+        rule;
+
+    it('returns true for a rule without filter', function() {
+      rule = new ol.style.Rule({});
+      expect(rule.applies(feature)).toBe(true);
+    });
+
+    it('returns false when the rule does not apply', function() {
+      rule = new ol.style.Rule({
+        filter: new ol.filter.Filter(function() { return false; })
+      });
+      expect(rule.applies(feature)).toBe(false);
+    });
+
+    it('returns true when the rule applies', function() {
+      rule = new ol.style.Rule({
+        filter: new ol.filter.Filter(function() { return true; })
+      });
+      expect(rule.applies(feature)).toBe(true);
+    });
+  });
+
+});
+
+goog.require('ol.Feature');
+goog.require('ol.filter.Filter');
+goog.require('ol.style.Rule');

test/spec/ol/style/shape.test.js

@@ -1,5 +1,30 @@
 goog.provide('ol.test.style.Shape');
 
+describe('ol.style.ShapeLiteral', function() {
+
+  describe('#equals()', function() {
+
+    it('identifies equal literals', function() {
+      var literal = new ol.style.ShapeLiteral({
+        size: 4,
+        fillStyle: '#BADA55'
+      });
+      var equalLiteral = new ol.style.ShapeLiteral({
+        fillStyle: '#BADA55',
+        size: 4
+      });
+      var differentLiteral = new ol.style.ShapeLiteral({
+        fillStyle: '#013',
+        size: 4
+      });
+      expect(literal.equals(equalLiteral)).toBe(true);
+      expect(literal.equals(differentLiteral)).toBe(false);
+    });
+
+  });
+
+});
+
 describe('ol.style.Shape', function() {
 
   describe('constructor', function() {

test/spec/ol/style/style.test.js

@@ -0,0 +1,66 @@
+goog.provide('ol.test.style.Style');
+
+describe('ol.style.Style', function() {
+
+  describe('#apply()', function() {
+
+    it('applies a style to a feature', function() {
+      var style = new ol.style.Style({
+        rules: [
+          new ol.style.Rule({
+            filter: new ol.filter.Filter(function(feature) {
+              return feature.get('foo') == 'bar';
+            }),
+            symbolizers: [
+              new ol.style.Shape({
+                size: 4,
+                fillStyle: '#BADA55'
+              })
+            ]
+          })
+        ]
+      });
+      var feature = new ol.Feature();
+      feature.set('foo', 'bar');
+      expect(style.apply(feature).length).toBe(1);
+      expect(style.apply(feature)[0].fillStyle).toBe('#BADA55');
+      feature.set('foo', 'baz');
+      expect(style.apply(feature).length).toBe(0);
+    });
+
+  });
+  
+  describe('ol.style.Style.applyDefaultStyle()', function() {
+    var feature = new ol.Feature();
+
+    it('returns an empty array for features without geometry', function() {
+      expect(ol.style.Style.applyDefaultStyle(feature).length).toBe(0);
+    });
+
+    it('returns an array with the Shape default for points', function() {
+      feature.setGeometry(new ol.geom.Point([0, 0]));
+      expect(ol.style.Style.applyDefaultStyle(feature)[0]
+          .equals(ol.style.ShapeDefaults)).toBe(true);
+    });
+
+    it('returns an array with the Line default for lines', function() {
+      feature.setGeometry(new ol.geom.LineString([[0, 0], [1, 1]]));
+      expect(ol.style.Style.applyDefaultStyle(feature)[0]
+          .equals(ol.style.LineDefaults)).toBe(true);
+    });
+
+    it('returns an array with the Polygon default for polygons', function() {
+      feature.setGeometry(new ol.geom.Polygon([[[0, 0], [1, 1], [0, 0]]]));
+      expect(ol.style.Style.applyDefaultStyle(feature)[0]
+          .equals(ol.style.PolygonDefaults)).toBe(true);
+    });
+
+  });
+
+});
+
+goog.require('ol.geom.LineString');
+goog.require('ol.geom.Point');
+goog.require('ol.geom.Polygon');
+goog.require('ol.filter.Filter');
+goog.require('ol.style.Style');