1 files changed, 55 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/mutations/alert_management/alerts/todo/create_spec.rb b/spec/requests/api/graphql/mutations/alert_management/alerts/todo/create_spec.rb
new file mode 100644
index 00000000000..e5803f50474
--- /dev/null
+++ b/spec/requests/api/graphql/mutations/alert_management/alerts/todo/create_spec.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Creating a todo for the alert' do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let(:alert) { create(:alert_management_alert, project: project) }
+
+  let(:mutation) do
+    variables = {
+      project_path: project.full_path,
+      iid: alert.iid.to_s
+    }
+    graphql_mutation(:alert_todo_create, variables) do
+      <<~QL
+         clientMutationId
+         errors
+         todo {
+           author {
+             username
+           }
+         }
+      QL
+    end
+  end
+
+  let(:mutation_response) { graphql_mutation_response(:alert_todo_create) }
+
+  before do
+    project.add_developer(user)
+  end
+
+  it 'creates a todo for the current user' do
+    post_graphql_mutation(mutation, current_user: user)
+
+    expect(response).to have_gitlab_http_status(:success)
+    expect(mutation_response['todo']['author']['username']).to eq(user.username)
+  end
+
+  context 'todo already exists' do
+    before do
+      create(:todo, :pending, project: project, user: user, target: alert)
+    end
+
+    it 'surfaces an error' do
+      post_graphql_mutation(mutation, current_user: user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response['errors']).to eq(['You already have pending todo for this alert'])
+    end
+  end
+end