Tag v2-only tests

- Don't run them against Engine < 1.10
- Set the API version appropriately for the Engine version, so all tests
  use API version 1.22 against Engine 1.10

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>

tests/integration/project_test.py

@@ -14,6 +14,7 @@ from compose.const import LABEL_PROJECT
 from compose.container import Container
 from compose.project import Project
 from compose.service import ConvergenceStrategy
+from tests.integration.testcases import v2_only
 
 
 def build_service_dicts(service_config):
@@ -482,6 +483,7 @@ class ProjectTest(DockerClientTestCase):
         service = project.get_service('web')
         self.assertEqual(len(service.containers()), 1)
 
+    @v2_only()
     def test_project_up_networks(self):
         config_data = config.Config(
             version=2,
@@ -514,6 +516,7 @@ class ProjectTest(DockerClientTestCase):
         foo_data = self.client.inspect_network('composetest_foo')
         self.assertEqual(foo_data['Driver'], 'bridge')
 
+    @v2_only()
     def test_project_up_volumes(self):
         vol_name = '{0:x}'.format(random.getrandbits(32))
         full_vol_name = 'composetest_{0}'.format(vol_name)
@@ -539,6 +542,7 @@ class ProjectTest(DockerClientTestCase):
         self.assertEqual(volume_data['Name'], full_vol_name)
         self.assertEqual(volume_data['Driver'], 'local')
 
+    @v2_only()
     def test_project_up_logging_with_multiple_files(self):
         base_file = config.ConfigFile(
             'base.yml',
@@ -590,6 +594,7 @@ class ProjectTest(DockerClientTestCase):
         self.assertTrue(log_config)
         self.assertEqual(log_config.get('Type'), 'none')
 
+    @v2_only()
     def test_initialize_volumes(self):
         vol_name = '{0:x}'.format(random.getrandbits(32))
         full_vol_name = 'composetest_{0}'.format(vol_name)
@@ -614,6 +619,7 @@ class ProjectTest(DockerClientTestCase):
         self.assertEqual(volume_data['Name'], full_vol_name)
         self.assertEqual(volume_data['Driver'], 'local')
 
+    @v2_only()
     def test_project_up_implicit_volume_driver(self):
         vol_name = '{0:x}'.format(random.getrandbits(32))
         full_vol_name = 'composetest_{0}'.format(vol_name)
@@ -638,6 +644,7 @@ class ProjectTest(DockerClientTestCase):
         self.assertEqual(volume_data['Name'], full_vol_name)
         self.assertEqual(volume_data['Driver'], 'local')
 
+    @v2_only()
     def test_initialize_volumes_invalid_volume_driver(self):
         vol_name = '{0:x}'.format(random.getrandbits(32))
 
@@ -659,6 +666,7 @@ class ProjectTest(DockerClientTestCase):
         with self.assertRaises(config.ConfigurationError):
             project.initialize_volumes()
 
+    @v2_only()
     def test_initialize_volumes_updated_driver(self):
         vol_name = '{0:x}'.format(random.getrandbits(32))
         full_vol_name = 'composetest_{0}'.format(vol_name)
@@ -696,6 +704,7 @@ class ProjectTest(DockerClientTestCase):
             vol_name
         ) in str(e.exception)
 
+    @v2_only()
     def test_initialize_volumes_external_volumes(self):
         # Use composetest_ prefix so it gets garbage-collected in tearDown()
         vol_name = 'composetest_{0:x}'.format(random.getrandbits(32))
@@ -722,6 +731,7 @@ class ProjectTest(DockerClientTestCase):
         with self.assertRaises(NotFound):
             self.client.inspect_volume(full_vol_name)
 
+    @v2_only()
     def test_initialize_volumes_inexistent_external_volume(self):
         vol_name = '{0:x}'.format(random.getrandbits(32))
 

tests/integration/testcases.py

@@ -1,12 +1,16 @@
 from __future__ import absolute_import
 from __future__ import unicode_literals
 
+import functools
+import os
+
 from docker.utils import version_lt
 from pytest import skip
 
 from .. import unittest
 from compose.cli.docker_client import docker_client
 from compose.config.config import resolve_environment
+from compose.const import API_VERSIONS
 from compose.const import LABEL_PROJECT
 from compose.progress_stream import stream_output
 from compose.service import Service
@@ -26,10 +30,35 @@ def get_links(container):
     return [format_link(link) for link in links]
 
 
+def engine_version_too_low_for_v2():
+    if 'DOCKER_VERSION' not in os.environ:
+        return False
+    version = os.environ['DOCKER_VERSION'].partition('-')[0]
+    return version_lt(version, '1.10')
+
+
+def v2_only():
+    def decorator(f):
+        @functools.wraps(f)
+        def wrapper(self, *args, **kwargs):
+            if engine_version_too_low_for_v2():
+                skip("Engine version is too low")
+                return
+            return f(self, *args, **kwargs)
+        return wrapper
+
+    return decorator
+
+
 class DockerClientTestCase(unittest.TestCase):
     @classmethod
     def setUpClass(cls):
-        cls.client = docker_client()
+        if engine_version_too_low_for_v2():
+            version = API_VERSIONS[1]
+        else:
+            version = API_VERSIONS[2]
+
+        cls.client = docker_client(version)
 
     def tearDown(self):
         for c in self.client.containers(