test: unit test enchancement

test/index.js

@@ -262,34 +262,50 @@ describe('Hexo Renderer Markdown-it', () => {
     });
 
     it('enable unsafe link', () => {
-      hexo.extend.filter.register('markdown-it:renderer', md => {
+      const filter = md => {
         md.validateLink = function() { return true; };
-      });
+      };
+      hexo.extend.filter.register('markdown-it:renderer', filter);
+
+      const renderer = new Renderer(hexo);
+      const result = renderer.render({ text: '[foo](javascript:bar)' });
+
+      hexo.extend.filter.unregister('markdown-it:renderer', filter);
+
+      result.should.equal('<p><a href="javascript:bar">foo</a></p>\n');
+    });
 
+    it('should execute loaded scripts', async () => {
       const renderer = new Renderer(hexo);
+
+      hexo.env.init = true;
+      await hexo.init();
+
       const result = renderer.render({ text: '[foo](javascript:bar)' });
 
       result.should.equal('<p><a href="javascript:bar">foo</a></p>\n');
     });
 
     it('should be called in render', () => {
+      const iterates = 3;
       const spy = {
         called: 0,
         call() {
           this.called++;
         }
       };
 
-      hexo.extend.filter.register('markdown-it:renderer', md => {
-        spy.call(md);
-      });
+      const filter = md => spy.call(md);
+      hexo.extend.filter.register('markdown-it:renderer', filter);
 
       const renderer = new Renderer(hexo);
-      for (let i = 0; i < 3; i++) {
+      for (let i = 0; i < iterates; i++) {
         renderer.render({ text: '' });
       }
 
-      spy.called.should.equal(3);
+      hexo.extend.filter.unregister('markdown-it:renderer', filter);
+
+      spy.called.should.equal(iterates);
     });
   });
 

test/scripts/enable_unsafe_link.js

@@ -0,0 +1,6 @@
+'use strict';
+
+// eslint-disable-next-line no-undef
+hexo.extend.filter.register('markdown-it:renderer', md => {
+  md.validateLink = function() { return true; };
+});