1 files changed, 97 insertions, 11 deletions
diff --git a/spec/finders/groups_finder_spec.rb b/spec/finders/groups_finder_spec.rb
index d5d111e8d15..abc470788e1 100644
--- a/spec/finders/groups_finder_spec.rb
+++ b/spec/finders/groups_finder_spec.rb
@@ -3,29 +3,115 @@ require 'spec_helper'
 describe GroupsFinder do
   describe '#execute' do
     let(:user)            { create(:user) }
-    let!(:private_group)  { create(:group, :private) }
-    let!(:internal_group) { create(:group, :internal) }
-    let!(:public_group)   { create(:group, :public) }
-    let(:finder)          { described_class.new }
 
-    describe 'execute' do
-      describe 'without a user' do
-        subject { finder.execute }
+    context 'root level groups' do
+      let!(:private_group)  { create(:group, :private) }
+      let!(:internal_group) { create(:group, :internal) }
+      let!(:public_group)   { create(:group, :public) }
+
+      context 'without a user' do
+        subject { described_class.new.execute }
 
         it { is_expected.to eq([public_group]) }
       end
 
-      describe 'with a user' do
-        subject { finder.execute(user) }
+      context 'with a user' do
+        subject { described_class.new(user).execute }
 
         context 'normal user' do
-          it { is_expected.to eq([public_group, internal_group]) }
+          it { is_expected.to contain_exactly(public_group, internal_group) }
         end
 
         context 'external user' do
           let(:user) { create(:user, external: true) }
 
-          it { is_expected.to eq([public_group]) }
+          it { is_expected.to contain_exactly(public_group) }
+        end
+
+        context 'user is member of the private group' do
+          before do
+            private_group.add_guest(user)
+          end
+
+          it { is_expected.to contain_exactly(public_group, internal_group, private_group) }
+        end
+      end
+    end
+
+    context 'subgroups', :nested_groups do
+      let!(:parent_group) { create(:group, :public) }
+      let!(:public_subgroup) { create(:group, :public, parent: parent_group) }
+      let!(:internal_subgroup) { create(:group, :internal, parent: parent_group) }
+      let!(:private_subgroup) { create(:group, :private, parent: parent_group) }
+
+      context 'without a user' do
+        it 'only returns parent and public subgroups' do
+          expect(described_class.new(nil).execute).to contain_exactly(parent_group, public_subgroup)
+        end
+      end
+
+      context 'with a user' do
+        subject { described_class.new(user).execute }
+
+        it 'returns parent, public, and internal subgroups' do
+          is_expected.to contain_exactly(parent_group, public_subgroup, internal_subgroup)
+        end
+
+        context 'being member' do
+          it 'returns parent, public subgroups, internal subgroups, and private subgroups user is member of' do
+            private_subgroup.add_guest(user)
+
+            is_expected.to contain_exactly(parent_group, public_subgroup, internal_subgroup, private_subgroup)
+          end
+        end
+
+        context 'parent group private' do
+          before do
+            parent_group.update_attribute(:visibility_level, Gitlab::VisibilityLevel::PRIVATE)
+          end
+
+          context 'being member of parent group' do
+            it 'returns all subgroups' do
+              parent_group.add_guest(user)
+
+              is_expected.to contain_exactly(parent_group, public_subgroup, internal_subgroup, private_subgroup)
+            end
+          end
+
+          context 'authorized to private project' do
+            context 'project one level deep' do
+              let!(:subproject) { create(:project, :private, namespace: private_subgroup) }
+              before do
+                subproject.add_guest(user)
+              end
+
+              it 'includes the subgroup of the project' do
+                is_expected.to include(private_subgroup)
+              end
+
+              it 'does not include private subgroups deeper down' do
+                subsubgroup = create(:group, :private, parent: private_subgroup)
+
+                is_expected.not_to include(subsubgroup)
+              end
+            end
+
+            context 'project two levels deep' do
+              let!(:private_subsubgroup) { create(:group, :private, parent: private_subgroup) }
+              let!(:subsubproject) { create(:project, :private, namespace: private_subsubgroup) }
+              before do
+                subsubproject.add_guest(user)
+              end
+
+              it 'returns all the ancestor groups' do
+                is_expected.to include(private_subsubgroup, private_subgroup, parent_group)
+              end
+
+              it 'returns the groups for a given parent' do
+                expect(described_class.new(user, parent: parent_group).execute).to include(private_subgroup)
+              end
+            end
+          end
         end
       end
     end