1 files changed, 22 insertions, 0 deletions
diff --git a/spec/services/wiki_pages/update_service_spec.rb b/spec/services/wiki_pages/update_service_spec.rb
index 33ac98e764d..62881817e32 100644
--- a/spec/services/wiki_pages/update_service_spec.rb
+++ b/spec/services/wiki_pages/update_service_spec.rb
@@ -4,4 +4,26 @@ require 'spec_helper'
 
 RSpec.describe WikiPages::UpdateService do
   it_behaves_like 'WikiPages::UpdateService#execute', :project
+
+  describe '#execute' do
+    let_it_be(:project) { create(:project) }
+
+    let(:page) { create(:wiki_page, project: project) }
+
+    subject(:service) { described_class.new(container: project) }
+
+    context 'when wiki create fails due to git error' do
+      let(:wiki_git_error) { 'Could not update wiki page' }
+
+      it 'catches the thrown error and returns a ServiceResponse error' do
+        allow_next_instance_of(WikiPage) do |instance|
+          allow(instance).to receive(:update).and_raise(Gitlab::Git::CommandError.new(wiki_git_error))
+        end
+
+        result = service.execute(page)
+        expect(result).to be_error
+        expect(result.message).to eq(wiki_git_error)
+      end
+    end
+  end
 end