add support for stop_signal to compose file

Signed-off-by: Jonathan Stewmon <jstewmon@rmn.com>

tests/acceptance/cli_test.py

@@ -717,6 +717,18 @@ class CLITestCase(DockerClientTestCase):
         self.assertEqual(len(service.containers(stopped=True)), 1)
         self.assertFalse(service.containers(stopped=True)[0].is_running)
 
+    def test_stop_signal(self):
+        self.base_dir = 'tests/fixtures/stop-signal-composefile'
+        self.dispatch(['up', '-d'], None)
+        service = self.project.get_service('simple')
+        self.assertEqual(len(service.containers()), 1)
+        self.assertTrue(service.containers()[0].is_running)
+
+        self.dispatch(['stop', '-t', '1'], None)
+        self.assertEqual(len(service.containers(stopped=True)), 1)
+        self.assertFalse(service.containers(stopped=True)[0].is_running)
+        self.assertEqual(service.containers(stopped=True)[0].exit_code, 0)
+
     def test_start_no_containers(self):
         result = self.dispatch(['start'], returncode=1)
         assert 'No containers to start' in result.stderr

tests/fixtures/stop-signal-composefile/docker-compose.yml

@@ -0,0 +1,10 @@
+simple:
+  image: busybox:latest
+  command:
+    - sh
+    - '-c'
+    - |
+        trap 'exit 0' SIGINT
+        trap 'exit 1' SIGTERM
+        while true; do :; done
+  stop_signal: SIGINT

tests/integration/service_test.py

@@ -887,6 +887,12 @@ class ServiceTest(DockerClientTestCase):
         for name in labels_dict:
             self.assertIn((name, ''), labels)
 
+    def test_stop_signal(self):
+        stop_signal = 'SIGINT'
+        service = self.create_service('web', stop_signal=stop_signal)
+        container = create_and_start_container(service)
+        self.assertEqual(container.stop_signal, stop_signal)
+
     def test_custom_container_name(self):
         service = self.create_service('web', container_name='my-web-container')
         self.assertEqual(service.custom_container_name(), 'my-web-container')