Merge branch 'ee-1159-allow-permission-check-bypass-in-approve-access-request-service' into 'master'

Allow Members::ApproveAccessRequestService to accept a new `:force` option

## What does this MR do?

See the commit message.

This is a backport of the EE fix for https://gitlab.com/gitlab-org/gitlab-ee/issues/1159: gitlab-org/gitlab-ee!830

See merge request !7168

1 files changed, 57 insertions, 6 deletions

diff --git a/spec/services/members/approve_access_request_service_spec.rb b/spec/services/members/approve_access_request_service_spec.rb
index 03e296259f9..7b090343a3e 100644
--- a/spec/services/members/approve_access_request_service_spec.rb
+++ b/spec/services/members/approve_access_request_service_spec.rb
@@ -5,36 +5,37 @@ describe Members::ApproveAccessRequestService, services: true do
   let(:access_requester) { create(:user) }
   let(:project) { create(:project, :public) }
   let(:group) { create(:group, :public) }
+  let(:opts) { {} }
 
   shared_examples 'a service raising ActiveRecord::RecordNotFound' do
     it 'raises ActiveRecord::RecordNotFound' do
-      expect { described_class.new(source, user, params).execute }.to raise_error(ActiveRecord::RecordNotFound)
+      expect { described_class.new(source, user, params).execute(opts) }.to raise_error(ActiveRecord::RecordNotFound)
     end
   end
 
   shared_examples 'a service raising Gitlab::Access::AccessDeniedError' do
     it 'raises Gitlab::Access::AccessDeniedError' do
-      expect { described_class.new(source, user, params).execute }.to raise_error(Gitlab::Access::AccessDeniedError)
+      expect { described_class.new(source, user, params).execute(opts) }.to raise_error(Gitlab::Access::AccessDeniedError)
     end
   end
 
   shared_examples 'a service approving an access request' do
     it 'succeeds' do
-      expect { described_class.new(source, user, params).execute }.to change { source.requesters.count }.by(-1)
+      expect { described_class.new(source, user, params).execute(opts) }.to change { source.requesters.count }.by(-1)
     end
 
     it 'returns a <Source>Member' do
-      member = described_class.new(source, user, params).execute
+      member = described_class.new(source, user, params).execute(opts)
 
       expect(member).to be_a "#{source.class}Member".constantize
       expect(member.requested_at).to be_nil
     end
 
     context 'with a custom access level' do
-      let(:params) { { user_id: access_requester.id, access_level: Gitlab::Access::MASTER } }
+      let(:params2) { params.merge(user_id: access_requester.id, access_level: Gitlab::Access::MASTER) }
 
       it 'returns a ProjectMember with the custom access level' do
-        member = described_class.new(source, user, params).execute
+        member = described_class.new(source, user, params2).execute(opts)
 
         expect(member.access_level).to eq Gitlab::Access::MASTER
       end
@@ -60,6 +61,56 @@ describe Members::ApproveAccessRequestService, services: true do
     end
     let(:params) { { user_id: access_requester.id } }
 
+    context 'when current user is nil' do
+      let(:user) { nil }
+
+      context 'and :force option is not given' do
+        it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
+          let(:source) { project }
+        end
+
+        it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
+          let(:source) { group }
+        end
+      end
+
+      context 'and :force option is false' do
+        let(:opts) { { force: false } }
+
+        it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
+          let(:source) { project }
+        end
+
+        it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
+          let(:source) { group }
+        end
+      end
+
+      context 'and :force option is true' do
+        let(:opts) { { force: true } }
+
+        it_behaves_like 'a service approving an access request' do
+          let(:source) { project }
+        end
+
+        it_behaves_like 'a service approving an access request' do
+          let(:source) { group }
+        end
+      end
+
+      context 'and :force param is true' do
+        let(:params) { { user_id: access_requester.id, force: true } }
+
+        it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
+          let(:source) { project }
+        end
+
+        it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
+          let(:source) { group }
+        end
+      end
+    end
+
     context 'when current user cannot approve access request to the project' do
       it_behaves_like 'a service raising Gitlab::Access::AccessDeniedError' do
         let(:source) { project }