1 files changed, 133 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/groups_resolver_spec.rb b/spec/graphql/resolvers/groups_resolver_spec.rb
new file mode 100644
index 00000000000..e53ca674163
--- /dev/null
+++ b/spec/graphql/resolvers/groups_resolver_spec.rb
@@ -0,0 +1,133 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Resolvers::GroupsResolver do
+  include GraphqlHelpers
+
+  describe '#resolve' do
+    let_it_be(:group) { create(:group, name: 'public-group') }
+    let_it_be(:private_group) { create(:group, :private, name: 'private-group') }
+    let_it_be(:subgroup1) { create(:group, parent: group, name: 'Subgroup') }
+    let_it_be(:subgroup2) { create(:group, parent: subgroup1, name: 'Test Subgroup 2') }
+    let_it_be(:private_subgroup1) { create(:group, :private, parent: private_group, name: 'Subgroup1') }
+    let_it_be(:private_subgroup2) { create(:group, :private, parent: private_subgroup1, name: 'Subgroup2') }
+    let_it_be(:user) { create(:user) }
+
+    before_all do
+      private_group.add_developer(user)
+    end
+
+    shared_examples 'access to all public descendant groups' do
+      it 'returns all public descendant groups of the parent group ordered by ASC name' do
+        is_expected.to eq([subgroup1, subgroup2])
+      end
+    end
+
+    shared_examples 'access to all public subgroups' do
+      it 'returns all public subgroups of the parent group' do
+        is_expected.to contain_exactly(subgroup1)
+      end
+    end
+
+    shared_examples 'returning empty results' do
+      it 'returns empty results' do
+        is_expected.to be_empty
+      end
+    end
+
+    context 'when parent group is public' do
+      subject { resolve(described_class, obj: group, args: params, ctx: { current_user: current_user }) }
+
+      context 'when `include_parent_descendants` is false' do
+        let(:params) { { include_parent_descendants: false } }
+
+        context 'when user is not logged in' do
+          let(:current_user) { nil }
+
+          it_behaves_like 'access to all public subgroups'
+        end
+
+        context 'when user is logged in' do
+          let(:current_user) { user }
+
+          it_behaves_like 'access to all public subgroups'
+        end
+      end
+
+      context 'when `include_parent_descendants` is true' do
+        let(:params) { { include_parent_descendants: true } }
+
+        context 'when user is not logged in' do
+          let(:current_user) { nil }
+
+          it_behaves_like 'access to all public descendant groups'
+        end
+
+        context 'when user is logged in' do
+          let(:current_user) { user }
+
+          it_behaves_like 'access to all public descendant groups'
+
+          context 'with owned argument set as true' do
+            before do
+              subgroup1.add_owner(current_user)
+              params[:owned] = true
+            end
+
+            it 'returns only descendant groups owned by the user' do
+              is_expected.to contain_exactly(subgroup1)
+            end
+          end
+
+          context 'with search argument' do
+            it 'returns only descendant groups with matching name or path' do
+              params[:search] = 'Test'
+              is_expected.to contain_exactly(subgroup2)
+            end
+          end
+        end
+      end
+    end
+
+    context 'when parent group is private' do
+      subject { resolve(described_class, obj: private_group, args: params, ctx: { current_user: current_user }) }
+
+      context 'when `include_parent_descendants` is true' do
+        let(:params) { { include_parent_descendants: true } }
+
+        context 'when user is not logged in' do
+          let(:current_user) { nil }
+
+          it_behaves_like 'returning empty results'
+        end
+
+        context 'when user is logged in' do
+          let(:current_user) { user }
+
+          it 'returns all private descendant groups' do
+            is_expected.to contain_exactly(private_subgroup1, private_subgroup2)
+          end
+        end
+      end
+
+      context 'when `include_parent_descendants` is false' do
+        let(:params) { { include_parent_descendants: false } }
+
+        context 'when user is not logged in' do
+          let(:current_user) { nil }
+
+          it_behaves_like 'returning empty results'
+        end
+
+        context 'when user is logged in' do
+          let(:current_user) { user }
+
+          it 'returns private subgroups' do
+            is_expected.to contain_exactly(private_subgroup1)
+          end
+        end
+      end
+    end
+  end
+end