Adding unit tests for rule based styling

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');