Add tests for custom fields filters

Author: anttiai

test/settings.js

@@ -7,10 +7,56 @@ describe('settings', function() {
 
     it('language setting should be set', function() {
       const expect = {lang: 'en'};
-      var s = new Settings();
-      s.setLanguage('en');
-      assert.equal(s.getSettings().lang, expect.lang);
+      var set = new Settings();
+      set.setLanguage('en');
+      assert.equal(set.getSettings().lang, expect.lang);
     });
 
+
+
+    var s = new Settings();
+    it('city london should be added to custom field filters', function() {
+      s.addCustomFieldFilter('city', 'london');
+      var expect = '["city%3Dlondon"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+    });
+
+    it('city berlin and color red should be added to custom field filters', function() {
+      s.addCustomFieldFilter('city', 'berlin');
+      var expect = '["city%3Dlondon","city%3Dberlin"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+
+      s.addCustomFieldFilter('color', 'red');
+      expect = '["city%3Dlondon","city%3Dberlin","color%3Dred"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+    });
+
+    it('color blue should be added and red removed from custom field filters', function() {
+      s.addCustomFieldFilter('color', 'blue');
+      var expect = '["city%3Dlondon","city%3Dberlin","color%3Dred","color%3Dblue"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+
+      s.removeCustomFieldFilter('color', 'red');
+      expect = '["city%3Dlondon","city%3Dberlin","color%3Dblue"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+    });
+
+    it('all cities should be removed from custom field filters', function() {
+      s.removeCustomFieldFilter('city');
+      var expect = '["color%3Dblue"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+    });
+
+    it('all colors should be removed from custom field filters', function() {
+      s.removeCustomFieldFilter('foo');
+      var expect = '["color%3Dblue"]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+
+      s.removeCustomFieldFilter('color');
+      expect = '[]';
+      assert.equal(JSON.stringify(s.getSettings().customFieldFilters), expect);
+    });
+
+
   });
 });