1 files changed, 111 insertions, 0 deletions
diff --git a/spec/services/resource_access_tokens/revoke_service_spec.rb b/spec/services/resource_access_tokens/revoke_service_spec.rb
new file mode 100644
index 00000000000..3ce82745b9e
--- /dev/null
+++ b/spec/services/resource_access_tokens/revoke_service_spec.rb
@@ -0,0 +1,111 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ResourceAccessTokens::RevokeService do
+  subject { described_class.new(user, resource, access_token).execute }
+
+  let_it_be(:user) { create(:user) }
+  let(:access_token) { create(:personal_access_token, user: resource_bot) }
+
+  describe '#execute' do
+    # Created shared_examples as it will easy to include specs for group bots in https://gitlab.com/gitlab-org/gitlab/-/issues/214046
+    shared_examples 'revokes access token' do
+      it { expect(subject.success?).to be true }
+
+      it { expect(subject.message).to eq("Revoked access token: #{access_token.name}") }
+
+      it 'revokes token access' do
+        subject
+
+        expect(access_token.reload.revoked?).to be true
+      end
+
+      it 'removes membership of bot user' do
+        subject
+
+        expect(resource.reload.users).not_to include(resource_bot)
+      end
+
+      it 'transfer issuables of bot user to ghost user' do
+        issue = create(:issue, author: resource_bot)
+
+        subject
+
+        expect(issue.reload.author.ghost?).to be true
+      end
+    end
+
+    shared_examples 'rollback revoke steps' do
+      it 'does not revoke the access token' do
+        subject
+
+        expect(access_token.reload.revoked?).to be false
+      end
+
+      it 'does not remove bot from member list' do
+        subject
+
+        expect(resource.reload.users).to include(resource_bot)
+      end
+
+      it 'does not transfer issuables of bot user to ghost user' do
+        issue = create(:issue, author: resource_bot)
+
+        subject
+
+        expect(issue.reload.author.ghost?).to be false
+      end
+    end
+
+    context 'when resource is a project' do
+      let_it_be(:resource) { create(:project, :private) }
+      let_it_be(:resource_bot) { create(:user, :project_bot) }
+
+      before_all do
+        resource.add_maintainer(user)
+        resource.add_maintainer(resource_bot)
+      end
+
+      it_behaves_like 'revokes access token'
+
+      context 'when revoke fails' do
+        context 'invalid resource type' do
+          subject { described_class.new(user, resource, access_token).execute }
+
+          let_it_be(:resource) { double }
+          let_it_be(:resource_bot) { create(:user, :project_bot) }
+
+          it 'returns error response' do
+            response = subject
+
+            expect(response.success?).to be false
+            expect(response.message).to eq("Failed to find bot user")
+          end
+
+          it { expect { subject }.not_to change(access_token.reload, :revoked) }
+        end
+
+        context 'when migration to ghost user fails' do
+          before do
+            allow_next_instance_of(::Members::DestroyService) do |service|
+              allow(service).to receive(:execute).and_return(false)
+            end
+          end
+
+          it_behaves_like 'rollback revoke steps'
+        end
+
+        context 'when migration to ghost user fails' do
+          before do
+            allow_next_instance_of(::Users::MigrateToGhostUserService) do |service|
+              allow(service).to receive(:execute).and_return(false)
+            end
+          end
+
+          it_behaves_like 'rollback revoke steps'
+        end
+      end
+    end
+  end
+end