1 files changed, 90 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/users_spec.rb b/spec/requests/api/graphql/users_spec.rb
new file mode 100644
index 00000000000..1e6d73cbd7d
--- /dev/null
+++ b/spec/requests/api/graphql/users_spec.rb
@@ -0,0 +1,90 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Users' do
+  include GraphqlHelpers
+
+  let_it_be(:current_user) { create(:user, created_at: 1.day.ago) }
+  let_it_be(:user1) { create(:user, created_at: 2.days.ago) }
+  let_it_be(:user2) { create(:user, created_at: 3.days.ago) }
+  let_it_be(:user3) { create(:user, created_at: 4.days.ago) }
+
+  describe '.users' do
+    shared_examples 'a working users query' do
+      it_behaves_like 'a working graphql query' do
+        before do
+          post_graphql(query, current_user: current_user)
+        end
+      end
+
+      it 'includes a list of users' do
+        post_graphql(query)
+
+        expect(graphql_data.dig('users', 'nodes')).not_to be_empty
+      end
+    end
+
+    context 'with no arguments' do
+      let_it_be(:query) { graphql_query_for(:users, { usernames: [user1.username] }, 'nodes { id }') }
+
+      it_behaves_like 'a working users query'
+    end
+
+    context 'with a list of usernames' do
+      let(:query) { graphql_query_for(:users, { usernames: [user1.username] }, 'nodes { id }') }
+
+      it_behaves_like 'a working users query'
+    end
+
+    context 'with a list of IDs' do
+      let(:query) { graphql_query_for(:users, { ids: [user1.to_global_id.to_s] }, 'nodes { id }') }
+
+      it_behaves_like 'a working users query'
+    end
+
+    context 'when usernames and ids parameter are used' do
+      let_it_be(:query) { graphql_query_for(:users, { ids: user1.to_global_id.to_s, usernames: user1.username }, 'nodes { id }') }
+
+      it 'displays an error' do
+        post_graphql(query)
+
+        expect(graphql_errors).to include(
+          a_hash_including('message' => a_string_matching(%r{Provide either a list of usernames or ids}))
+        )
+      end
+    end
+  end
+
+  describe 'sorting and pagination' do
+    let_it_be(:data_path) { [:users] }
+
+    def pagination_query(params, page_info)
+      graphql_query_for("users", params, "#{page_info} edges { node { id } }")
+    end
+
+    def pagination_results_data(data)
+      data.map { |user| user.dig('node', 'id') }
+    end
+
+    context 'when sorting by created_at' do
+      let_it_be(:ascending_users) { [user3, user2, user1, current_user].map(&:to_global_id).map(&:to_s) }
+
+      context 'when ascending' do
+        it_behaves_like 'sorted paginated query' do
+          let(:sort_param)       { 'created_asc' }
+          let(:first_param)      { 1 }
+          let(:expected_results) { ascending_users }
+        end
+      end
+
+      context 'when descending' do
+        it_behaves_like 'sorted paginated query' do
+          let(:sort_param)       { 'created_desc' }
+          let(:first_param)      { 1 }
+          let(:expected_results) { ascending_users.reverse }
+        end
+      end
+    end
+  end
+end