snippet-java
diff --git a/‎cf_spec/integration/deploy_a_python_app_spec.rb‎
Lines changed: 23 additions & 0 deletions b/‎cf_spec/integration/deploy_a_python_app_spec.rb‎
Lines changed: 23 additions & 0 deletions
@@ -5,6 +5,29 @@
   subject(:app) { Machete.deploy_app(app_name) }
   let(:browser) { Machete::Browser.new(app) }
 
+  describe 'switching stacks' do
+    subject(:app) { Machete.deploy_app(app_name, stack: 'lucid64') }
+    let(:app_name) { 'flask_web_app_not_vendored' }
+
+    specify do
+      expect(app).to be_running
+
+      browser.visit_path('/')
+      expect(browser).to have_body('Hello, World!')
+
+      replacement_app = Machete::App.new(app_name, Machete::Host.create, stack: 'cflinuxfs2')
+
+      app_push_command = Machete::CF::PushApp.new
+      app_push_command.execute(replacement_app)
+
+      expect(replacement_app).to be_running
+
+      browser.visit_path('/')
+      expect(browser).to have_body('Hello, World!')
+
+    end
+  end
+
   context 'with cached buildpack dependencies' do
     context 'in an offline environment', if: Machete::BuildpackMode.offline? do
       context 'app has dependencies' do