1 files changed, 62 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/project_members_resolver_spec.rb b/spec/graphql/resolvers/project_members_resolver_spec.rb
new file mode 100644
index 00000000000..3209838850b
--- /dev/null
+++ b/spec/graphql/resolvers/project_members_resolver_spec.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Resolvers::ProjectMembersResolver do
+  include GraphqlHelpers
+
+  context "with a group" do
+    let_it_be(:root_group)   { create(:group) }
+    let_it_be(:group_1)      { create(:group, parent: root_group) }
+    let_it_be(:group_2)      { create(:group, parent: root_group) }
+    let_it_be(:project)      { create(:project, :public, group: group_1) }
+
+    let_it_be(:user_1) { create(:user, name: 'test user') }
+    let_it_be(:user_2) { create(:user, name: 'test user 2') }
+    let_it_be(:user_3) { create(:user, name: 'another user 1') }
+    let_it_be(:user_4) { create(:user, name: 'another user 2') }
+
+    let_it_be(:project_member)    { create(:project_member, user: user_1, project: project) }
+    let_it_be(:group_1_member)    { create(:group_member, user: user_2, group: group_1) }
+    let_it_be(:group_2_member)    { create(:group_member, user: user_3, group: group_2) }
+    let_it_be(:root_group_member) { create(:group_member, user: user_4, group: root_group) }
+
+    let(:args) { {} }
+
+    subject do
+      resolve(described_class, obj: project, args: args, ctx: { context: user_4 })
+    end
+
+    describe '#resolve' do
+      it 'finds all project members' do
+        expect(subject).to contain_exactly(project_member, group_1_member, root_group_member)
+      end
+
+      context 'with search' do
+        context 'when the search term matches a user' do
+          let(:args) { { search: 'test' } }
+
+          it 'searches users by user name' do
+            expect(subject).to contain_exactly(project_member, group_1_member)
+          end
+        end
+
+        context 'when the search term does not match any user' do
+          let(:args) { { search: 'nothing' } }
+
+          it 'is empty' do
+            expect(subject).to be_empty
+          end
+        end
+      end
+
+      context 'when project is nil' do
+        let(:project) { nil }
+
+        it 'returns nil' do
+          expect(subject).to be_empty
+        end
+      end
+    end
+  end
+end