Merge branch 'modify_group_policy' into 'master'

Update group policy to reflect all the requirements

See merge request gitlab-org/gitlab-ce!25854

(cherry picked from commit d8bbd3e7)

0a706446 Modify group policy
8a37dd7a Add changelog to reflect changes
71e522a5 Remove not relevant changes
9559470b Remove not relevant changes

app/policies/group_policy.rb

@@ -26,7 +26,7 @@ class GroupPolicy < BasePolicy
   condition(:can_change_parent_share_with_group_lock) { can?(:change_share_with_group_lock, @subject.parent) }
   condition(:has_projects) do
-    GroupProjectsFinder.new(group: @subject, current_user: @user, options: { include_subgroups: true }).execute.any?
+    GroupProjectsFinder.new(group: @subject, current_user: @user, options: { include_subgroups: true, only_owned: true }).execute.any?
   end
   condition(:has_clusters, scope: :subject) { clusterable_has_clusters? }
@@ -55,6 +55,7 @@ class GroupPolicy < BasePolicy
   rule { has_projects }.policy do
     enable :read_list
     enable :read_label
+    enable :read_group
   end
   rule { has_access }.enable :read_namespace

changelogs/unreleased/modify_group_policy.yml

+---
+title: Allow project members to see private group if the project is in the group namespace
+merge_request:
+author:
+type: fixed

spec/features/security/group/private_access_spec.rb

@@ -27,7 +27,7 @@ describe 'Private Group access' do
     it { is_expected.to be_allowed_for(:developer).of(group) }
     it { is_expected.to be_allowed_for(:reporter).of(group) }
     it { is_expected.to be_allowed_for(:guest).of(group) }
-    it { is_expected.to be_denied_for(project_guest) }
+    it { is_expected.to be_allowed_for(project_guest) }
     it { is_expected.to be_denied_for(:user) }
     it { is_expected.to be_denied_for(:external) }
     it { is_expected.to be_denied_for(:visitor) }
@@ -42,7 +42,7 @@ describe 'Private Group access' do
     it { is_expected.to be_allowed_for(:developer).of(group) }
     it { is_expected.to be_allowed_for(:reporter).of(group) }
     it { is_expected.to be_allowed_for(:guest).of(group) }
-    it { is_expected.to be_denied_for(project_guest) }
+    it { is_expected.to be_allowed_for(project_guest) }
     it { is_expected.to be_denied_for(:user) }
     it { is_expected.to be_denied_for(:external) }
     it { is_expected.to be_denied_for(:visitor) }
@@ -58,7 +58,7 @@ describe 'Private Group access' do
     it { is_expected.to be_allowed_for(:developer).of(group) }
     it { is_expected.to be_allowed_for(:reporter).of(group) }
     it { is_expected.to be_allowed_for(:guest).of(group) }
-    it { is_expected.to be_denied_for(project_guest) }
+    it { is_expected.to be_allowed_for(project_guest) }
     it { is_expected.to be_denied_for(:user) }
     it { is_expected.to be_denied_for(:external) }
     it { is_expected.to be_denied_for(:visitor) }
@@ -73,7 +73,7 @@ describe 'Private Group access' do
     it { is_expected.to be_allowed_for(:developer).of(group) }
     it { is_expected.to be_allowed_for(:reporter).of(group) }
     it { is_expected.to be_allowed_for(:guest).of(group) }
-    it { is_expected.to be_denied_for(project_guest) }
+    it { is_expected.to be_allowed_for(project_guest) }
     it { is_expected.to be_denied_for(:user) }
     it { is_expected.to be_denied_for(:external) }
     it { is_expected.to be_denied_for(:visitor) }
@@ -96,6 +96,7 @@ describe 'Private Group access' do
   describe 'GET /groups/:path for shared projects' do
     let(:project) { create(:project, :public) }
+
     before do
       Projects::GroupLinks::CreateService.new(
         project,