1 files changed, 46 insertions, 0 deletions
diff --git a/qa/qa/specs/features/browser_ui/3_create/repository/branch_with_unusual_name_spec.rb b/qa/qa/specs/features/browser_ui/3_create/repository/branch_with_unusual_name_spec.rb
new file mode 100644
index 00000000000..db31cadb37d
--- /dev/null
+++ b/qa/qa/specs/features/browser_ui/3_create/repository/branch_with_unusual_name_spec.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module QA
+  RSpec.describe 'Create' do
+    describe 'Branch with unusual name' do
+      let(:branch_name) { 'unUsually/named#br--anch' }
+      let(:project) do
+        Resource::Project.fabricate_via_api! do |resource|
+          resource.name = 'unusually-named-branch-project'
+          resource.initialize_with_readme = true
+        end
+      end
+
+      before do
+        Flow::Login.sign_in
+      end
+
+      context 'when branch name contains slash, hash, double dash, and capital letter' do
+        it 'renders repository file tree correctly', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/1780' do
+          Resource::Repository::Commit.fabricate_via_api! do |commit|
+            commit.project = project
+            commit.branch = branch_name
+            commit.start_branch = project.default_branch
+            commit.commit_message = 'Add new file'
+            commit.add_files([
+                                 { file_path: 'test-folder/test-file.md', content: 'new content' }
+                             ])
+          end
+
+          project.visit!
+
+          Page::Project::Show.perform do |show|
+            show.switch_to_branch(branch_name)
+            show.click_file('test-folder')
+
+            expect(show).to have_file('test-file.md')
+
+            show.click_file('test-file.md')
+
+            expect(show).to have_content('new content')
+          end
+        end
+      end
+    end
+  end
+end