1 files changed, 57 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/mutations/incident_management/timeline_event_tag/create_spec.rb b/spec/requests/api/graphql/mutations/incident_management/timeline_event_tag/create_spec.rb
new file mode 100644
index 00000000000..7476499d9da
--- /dev/null
+++ b/spec/requests/api/graphql/mutations/incident_management/timeline_event_tag/create_spec.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Creating a timeline event tag' do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:name) { 'Test tag 1' }
+
+  let(:input) { { project_path: project.full_path, name: name } }
+  let(:mutation) do
+    graphql_mutation(:timeline_event_tag_create, input) do
+      <<~QL
+        clientMutationId
+        errors
+        timelineEventTag {
+          id
+          name
+        }
+      QL
+    end
+  end
+
+  let(:mutation_response) { graphql_mutation_response(:timeline_event_tag_create) }
+
+  context 'when user has permissions to create timeline event tag' do
+    before do
+      project.add_maintainer(user)
+    end
+
+    it 'creates timeline event tag', :aggregate_failures do
+      post_graphql_mutation(mutation, current_user: user)
+
+      timeline_event_tag_response = mutation_response['timelineEventTag']
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(timeline_event_tag_response).to include(
+        'name' => name
+      )
+    end
+  end
+
+  context 'when user does not have permissions to create timeline event tag' do
+    before do
+      project.add_developer(user)
+    end
+
+    it 'raises error' do
+      post_graphql_mutation(mutation, current_user: user)
+
+      expect(mutation_response).to be_nil
+      expect_graphql_errors_to_include(Gitlab::Graphql::Authorize::AuthorizeResource::RESOURCE_ACCESS_ERROR)
+    end
+  end
+end