Fix Markdown styling inside reference links

Fixes: https://gitlab.com/gitlab-org/gitlab-ce/issues/18096

1 files changed, 13 insertions, 0 deletions

diff --git a/spec/support/banzai/reference_filter_shared_examples.rb b/spec/support/banzai/reference_filter_shared_examples.rb
new file mode 100644
index 00000000000..eb5da662ab5
--- /dev/null
+++ b/spec/support/banzai/reference_filter_shared_examples.rb
@@ -0,0 +1,13 @@
+# Specs for reference links containing HTML.
+#
+# Requires a reference:
+#   let(:reference) { '#42' }
+shared_examples 'a reference containing an element node' do
+  let(:inner_html) { 'element <code>node</code> inside' }
+  let(:reference_with_element) { %{<a href="#{reference}">#{inner_html}</a>} }
+
+  it 'does not escape inner html' do
+    doc = reference_filter(reference_with_element)
+    expect(doc.children.first.inner_html).to eq(inner_html)
+  end
+end