test(post): add cases for issue #3346

test/fixtures/post_render.js

@@ -7,7 +7,7 @@ const code = [
   '  sleep()'
 ].join('\n');
 
-const content = [
+exports.content = [
   '# Title',
   '``` python',
   code,
@@ -24,7 +24,19 @@ const content = [
   '{% endquote %}'
 ].join('\n');
 
-exports.content = content;
+exports.content_for_issue_3346 = [
+  '# Title',
+  '```',
+  '{% test1 %}',
+  '{{ test2 }}',
+  '```',
+  'some content',
+  '',
+  '## Another title',
+  '{% blockquote %}',
+  'quote content',
+  '{% endblockquote %}'
+].join('\n');
 
 exports.expected = [
   '<h1 id="Title"><a href="#Title" class="headerlink" title="Title"></a>Title</h1>',
@@ -50,3 +62,13 @@ exports.expected_disable_nunjucks = [
   'quote content<br>',
   '{% endquote %}</p>'
 ].join('');
+
+exports.expected_for_issue_3346 = [
+  '<h1 id="Title"><a href="#Title" class="headerlink" title="Title"></a>Title</h1>',
+  highlight('{% test1 %}\n{{ test2 }}').replace(/{/g, '&#123;').replace(/}/g, '&#125;'), // Escaped by backtick_code_block
+  '\n<p>some content</p>\n',
+  '<h2 id="Another-title"><a href="#Another-title" class="headerlink" title="Another title"></a>Another title</h2>',
+  '<blockquote>',
+  '<p>quote content</p>\n',
+  '</blockquote>'
+].join('');

test/scripts/hexo/post.js

@@ -939,4 +939,15 @@ describe('Post', () => {
     });
   });
 
+  // test for Issue #3346
+  it('render() - swig tag inside backtick code block', () => {
+    const content = fixture.content_for_issue_3346;
+
+    return post.render(null, {
+      content,
+      engine: 'markdown'
+    }).then(data => {
+      data.content.trim().should.eql(fixture.expected_for_issue_3346);
+    });
+  });
 });