1 files changed, 50 insertions, 0 deletions
diff --git a/spec/services/users/ban_service_spec.rb b/spec/services/users/ban_service_spec.rb
new file mode 100644
index 00000000000..0e6ac615da5
--- /dev/null
+++ b/spec/services/users/ban_service_spec.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Users::BanService do
+  let(:current_user) { create(:admin) }
+
+  subject(:service) { described_class.new(current_user) }
+
+  describe '#execute' do
+    subject(:operation) { service.execute(user) }
+
+    context 'when successful' do
+      let(:user) { create(:user) }
+
+      it { is_expected.to eq(status: :success) }
+
+      it "bans the user" do
+        expect { operation }.to change { user.state }.to('banned')
+      end
+
+      it "blocks the user" do
+        expect { operation }.to change { user.blocked? }.from(false).to(true)
+      end
+
+      it 'logs ban in application logs' do
+        allow(Gitlab::AppLogger).to receive(:info)
+
+        operation
+
+        expect(Gitlab::AppLogger).to have_received(:info).with(message: "User banned", user: "#{user.username}", email: "#{user.email}", banned_by: "#{current_user.username}", ip_address: "#{current_user.current_sign_in_ip}")
+      end
+    end
+
+    context 'when failed' do
+      let(:user) { create(:user, :blocked) }
+
+      it 'returns error result' do
+        aggregate_failures 'error result' do
+          expect(operation[:status]).to eq(:error)
+          expect(operation[:message]).to match(/State cannot transition/)
+        end
+      end
+
+      it "does not change the user's state" do
+        expect { operation }.not_to change { user.state }
+      end
+    end
+  end
+end