chore: add some tests (#1)

spec/plugin_spec.rb

@@ -0,0 +1,65 @@
+# spec/plugin_spec.rb
+# frozen_string_literal: true
+
+RSpec.describe LastDayUsedKey do
+  let(:user) { Fabricate(:user) }
+  let(:user_api_key) { Fabricate(:user_api_key, user: user) }
+  let(:api_key) { Fabricate(:api_key, user: user) }
+
+  describe '#update_last_used for UserApiKey' do
+    it 'updates last_used_at to beginning of the day if not already set' do
+      user_api_key.update!(last_used_at: 2.days.ago)
+
+      expect {
+        user_api_key.update_last_used("client_id_1")
+      }.to change { user_api_key.reload.last_used_at }
+         .to(Time.zone.now.beginning_of_day)
+    end
+
+    it 'does not update last_used_at if already set to beginning of the day' do
+      user_api_key.update!(last_used_at: Time.zone.now.beginning_of_day, client_id: "client_id_1")
+
+      allow(user_api_key).to receive(:update_column)
+      allow(user_api_key).to receive(:update_columns)
+
+      expect {
+        user_api_key.update_last_used("client_id_1")
+      }.not_to change { user_api_key.reload.last_used_at }
+
+      expect(user_api_key).not_to have_received(:update_column)
+      expect(user_api_key).not_to have_received(:update_columns)
+    end
+
+    it 'updates client_id and destroys other keys with same client_id and user_id' do
+      Fabricate(:user_api_key, user: user, client_id: "client_id_1")
+
+      expect {
+        user_api_key.update_last_used("client_id_1")
+      }.to change { user_api_key.reload.client_id }.to("client_id_1")
+      expect(UserApiKey.where(client_id: "client_id_1", user_id: user.id).count).to eq(1)
+    end
+  end
+
+  describe '#update_last_used! for ApiKey' do
+    let(:api_key) { Fabricate(:api_key, last_used_at: nil) }
+
+    it 'updates last_used_at to the beginning of the day if not already set' do
+        expect {
+        api_key.update_last_used!
+        }.to change { api_key.reload.last_used_at }
+            .to(Time.zone.now.beginning_of_day)
+    end
+
+    it 'does not perform any database write if last_used_at is already set to the beginning of the day' do
+      api_key.update!(last_used_at: Time.zone.now.beginning_of_day)
+
+      allow(api_key).to receive(:update_column)
+      allow(api_key).to receive(:update_columns)
+
+      api_key.update_last_used!
+
+      expect(api_key).not_to have_received(:update_column)
+      expect(api_key).not_to have_received(:update_columns)
+    end
+  end
+end