Add entity test case

Author: lajohnston

karma.unit.conf.js

@@ -15,6 +15,7 @@ module.exports = (config) => {
 
     // list of files to exclude
     exclude: [
+      'src/index.js',
     ],
 
     // preprocess matching files before serving them to the browser

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eco",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "description": "Entity-component-system microframework",
   "main": "index.js",
   "scripts": {

spec/unit/entities/entity.spec.js

@@ -20,6 +20,13 @@ describe('Entity', () => {
       // this ensures the id matches the string ids used by componentCollection
       expect(entity.getId()).toBe('100');
     });
+
+    [null, true, false, {}, function foo() {}, 'string', []].forEach((nonNumber) => {
+      it('should return a non-numeric id as-is', () => {
+        const testEntity = new Entity(nonNumber);
+        expect(testEntity.getId()).toBe(nonNumber);
+      });
+    });
   });
 
   describe('get()', () => {