Fix 500 when visiting a commit where blobs do not exist (nil blobs)

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/41491

1 files changed, 14 insertions, 1 deletions

diff --git a/spec/features/projects/commits/user_browses_commits_spec.rb b/spec/features/projects/commits/user_browses_commits_spec.rb
index 41f3c15a94c..b650c1f4197 100644
--- a/spec/features/projects/commits/user_browses_commits_spec.rb
+++ b/spec/features/projects/commits/user_browses_commits_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe 'User broweses commits' do
+describe 'User browses commits' do
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository, namespace: user.namespace) }
 
@@ -31,6 +31,19 @@ describe 'User broweses commits' do
       check_author_link(RepoHelpers.sample_commit.author_email, user)
     end
   end
+
+  context 'when the blob does not exist' do
+    let(:commit) { create(:commit, project: project) }
+
+    it 'shows a blank label' do
+      allow_any_instance_of(Gitlab::Diff::File).to receive(:blob).and_return(nil)
+      allow_any_instance_of(Gitlab::Diff::File).to receive(:raw_binary?).and_return(true)
+
+      visit(project_commit_path(project, commit))
+
+      expect(find('.diff-file-changes', visible: false)).to have_content('No file name available')
+    end
+  end
 end
 
 private