1 files changed, 66 insertions, 0 deletions
diff --git a/spec/requests/projects/redirect_controller_spec.rb b/spec/requests/projects/redirect_controller_spec.rb
new file mode 100644
index 00000000000..3bbca3ca32b
--- /dev/null
+++ b/spec/requests/projects/redirect_controller_spec.rb
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe "Projects::RedirectController requests" do
+  using RSpec::Parameterized::TableSyntax
+
+  let_it_be(:private_project) { create(:project, :private) }
+  let_it_be(:public_project) { create(:project, :public) }
+  let_it_be(:user) { create(:user) }
+
+  before_all do
+    private_project.add_developer(user)
+  end
+
+  describe 'GET redirect_from_id' do
+    where(:authenticated, :project, :is_found) do
+      true  | ref(:private_project)        | true
+      false | ref(:private_project)        | false
+      true  | ref(:public_project)         | true
+      false | ref(:public_project)         | true
+      true  | build(:project, id: 0)       | false
+    end
+
+    with_them do
+      before do
+        sign_in(user) if authenticated
+
+        get "/projects/#{project.id}"
+      end
+
+      if params[:is_found]
+        it 'redirects to the project page' do
+          expect(response).to have_gitlab_http_status(:found)
+          expect(response).to redirect_to(project_path(project))
+        end
+      else
+        it 'gives 404' do
+          expect(response).to have_gitlab_http_status(:not_found)
+        end
+      end
+    end
+  end
+
+  # This is a regression test for https://gitlab.com/gitlab-org/gitlab/-/issues/351058
+  context 'with sourcegraph enabled' do
+    let_it_be(:sourcegraph_url) { 'https://sourcegraph.test' }
+
+    before do
+      allow(Gitlab::CurrentSettings).to receive(:sourcegraph_url).and_return(sourcegraph_url)
+      allow(Gitlab::CurrentSettings).to receive(:sourcegraph_enabled).and_return(true)
+
+      sign_in(user)
+    end
+
+    context 'with projects/:id route' do
+      subject { get "/projects/#{public_project.id}" }
+
+      it 'redirects successfully' do
+        subject
+
+        expect(response).to redirect_to(project_path(public_project))
+      end
+    end
+  end
+end