1 files changed, 59 insertions, 0 deletions
diff --git a/spec/controllers/admin/runner_projects_controller_spec.rb b/spec/controllers/admin/runner_projects_controller_spec.rb
new file mode 100644
index 00000000000..e5f63025cf7
--- /dev/null
+++ b/spec/controllers/admin/runner_projects_controller_spec.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Admin::RunnerProjectsController do
+  let_it_be(:group) { create(:group) }
+  let_it_be(:project) { create(:project, group: group) }
+
+  before do
+    sign_in(create(:admin))
+  end
+
+  describe '#create' do
+    let(:project_id) { project.path }
+
+    subject do
+      post :create, params: {
+        namespace_id: group.path,
+        project_id: project_id,
+        runner_project: { runner_id: project_runner.id }
+      }
+    end
+
+    context 'assigning runner to same project' do
+      let(:project_runner) { create(:ci_runner, :project, projects: [project]) }
+
+      it 'redirects to the admin runner edit page' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:redirect)
+        expect(response).to redirect_to edit_admin_runner_url(project_runner)
+      end
+    end
+
+    context 'assigning runner to another project' do
+      let(:project_runner) { create(:ci_runner, :project, projects: [source_project]) }
+      let(:source_project) { create(:project) }
+
+      it 'redirects to the admin runner edit page' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:redirect)
+        expect(response).to redirect_to edit_admin_runner_url(project_runner)
+      end
+    end
+
+    context 'for unknown project' do
+      let_it_be(:project_runner) { create(:ci_runner, :project, projects: [project]) }
+
+      let(:project_id) { 0 }
+
+      it 'shows 404 for unknown project' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+  end
+end