Use proper markdown rendering for previews

1 files changed, 18 insertions, 3 deletions

diff --git a/spec/helpers/markup_helper_spec.rb b/spec/helpers/markup_helper_spec.rb
index 1a720aae55c..d5ed5c59c61 100644
--- a/spec/helpers/markup_helper_spec.rb
+++ b/spec/helpers/markup_helper_spec.rb
@@ -205,7 +205,9 @@ describe MarkupHelper do
     it "uses Wiki pipeline for markdown files" do
       allow(@wiki).to receive(:format).and_return(:markdown)
 
-      expect(helper).to receive(:markdown_unsafe).with('wiki content', pipeline: :wiki, project: project, project_wiki: @wiki, page_slug: "nested/page", issuable_state_filter_enabled: true)
+      expect(helper).to receive(:markdown_unsafe).with('wiki content',
+        pipeline: :wiki, project: project, project_wiki: @wiki, page_slug: "nested/page",
+        issuable_state_filter_enabled: true, markdown_engine: :redcarpet)
 
       helper.render_wiki_content(@wiki)
     end
@@ -236,19 +238,32 @@ describe MarkupHelper do
       expect(helper.markup('foo.rst', content).encoding.name).to eq('UTF-8')
     end
 
-    it "delegates to #markdown_unsafe when file name corresponds to Markdown" do
+    it 'delegates to #markdown_unsafe when file name corresponds to Markdown' do
       expect(helper).to receive(:gitlab_markdown?).with('foo.md').and_return(true)
       expect(helper).to receive(:markdown_unsafe).and_return('NOEL')
 
       expect(helper.markup('foo.md', content)).to eq('NOEL')
     end
 
-    it "delegates to #asciidoc_unsafe when file name corresponds to AsciiDoc" do
+    it 'delegates to #asciidoc_unsafe when file name corresponds to AsciiDoc' do
       expect(helper).to receive(:asciidoc?).with('foo.adoc').and_return(true)
       expect(helper).to receive(:asciidoc_unsafe).and_return('NOEL')
 
       expect(helper.markup('foo.adoc', content)).to eq('NOEL')
     end
+
+    it 'uses passed in rendered content' do
+      expect(helper).not_to receive(:gitlab_markdown?)
+      expect(helper).not_to receive(:markdown_unsafe)
+
+      expect(helper.markup('foo.md', content, rendered: '<p>NOEL</p>')).to eq('<p>NOEL</p>')
+    end
+
+    it 'defaults to Redcarpet' do
+      expect(helper).to receive(:markdown_unsafe).with(content, hash_including(markdown_engine: :redcarpet)).and_return('NOEL')
+
+      expect(helper.markup('foo.md', content)).to eq('NOEL')
+    end
   end
 
   describe '#first_line_in_markdown' do