Test fixes and updated Makefile for 1.12 testing

Signed-off-by: Joffrey F <joffrey@docker.com>

Makefile

@@ -32,16 +32,27 @@ integration-test-py3: build-py3
 
 integration-dind: build build-py3
 	docker rm -vf dpy-dind || :
-	docker run -d --name dpy-dind --privileged dockerswarm/dind:1.10.3 docker daemon -H tcp://0.0.0.0:2375
-	docker run --env="DOCKER_HOST=tcp://docker:2375" --link=dpy-dind:docker docker-py py.test tests/integration
-	docker run --env="DOCKER_HOST=tcp://docker:2375" --link=dpy-dind:docker docker-py3 py.test tests/integration
+	docker run -d --name dpy-dind --privileged dockerswarm/dind:1.12.0 docker daemon\
+		-H tcp://0.0.0.0:2375
+	docker run --env="DOCKER_HOST=tcp://docker:2375" --link=dpy-dind:docker docker-py\
+		py.test tests/integration
+	docker run --env="DOCKER_HOST=tcp://docker:2375" --link=dpy-dind:docker docker-py3\
+		py.test tests/integration
 	docker rm -vf dpy-dind
 
 integration-dind-ssl: build-dind-certs build build-py3
 	docker run -d --name dpy-dind-certs dpy-dind-certs
-	docker run -d --env="DOCKER_HOST=tcp://localhost:2375" --env="DOCKER_TLS_VERIFY=1" --env="DOCKER_CERT_PATH=/certs" --volumes-from dpy-dind-certs --name dpy-dind-ssl -v /tmp --privileged dockerswarm/dind:1.10.3 docker daemon --tlsverify --tlscacert=/certs/ca.pem --tlscert=/certs/server-cert.pem --tlskey=/certs/server-key.pem -H tcp://0.0.0.0:2375
-	docker run --volumes-from dpy-dind-ssl --env="DOCKER_HOST=tcp://docker:2375" --env="DOCKER_TLS_VERIFY=1" --env="DOCKER_CERT_PATH=/certs" --link=dpy-dind-ssl:docker docker-py py.test tests/integration
-	docker run --volumes-from dpy-dind-ssl --env="DOCKER_HOST=tcp://docker:2375" --env="DOCKER_TLS_VERIFY=1" --env="DOCKER_CERT_PATH=/certs" --link=dpy-dind-ssl:docker docker-py3 py.test tests/integration
+	docker run -d --env="DOCKER_HOST=tcp://localhost:2375" --env="DOCKER_TLS_VERIFY=1"\
+		--env="DOCKER_CERT_PATH=/certs" --volumes-from dpy-dind-certs --name dpy-dind-ssl\
+		-v /tmp --privileged dockerswarm/dind:1.12.0 docker daemon --tlsverify\
+		--tlscacert=/certs/ca.pem --tlscert=/certs/server-cert.pem\
+		--tlskey=/certs/server-key.pem -H tcp://0.0.0.0:2375
+	docker run --volumes-from dpy-dind-ssl --env="DOCKER_HOST=tcp://docker:2375"\
+		--env="DOCKER_TLS_VERIFY=1" --env="DOCKER_CERT_PATH=/certs"\
+		--link=dpy-dind-ssl:docker docker-py py.test tests/integration
+	docker run --volumes-from dpy-dind-ssl --env="DOCKER_HOST=tcp://docker:2375"\
+		--env="DOCKER_TLS_VERIFY=1" --env="DOCKER_CERT_PATH=/certs"\
+		--link=dpy-dind-ssl:docker docker-py3 py.test tests/integration
 	docker rm -vf dpy-dind-ssl dpy-dind-certs
 
 flake8: build

docker/utils/__init__.py

+# flake8: noqa
 from .utils import (
     compare_version, convert_port_bindings, convert_volume_binds,
     mkbuildcontext, tar, exclude_paths, parse_repository_tag, parse_host,
-    kwargs_from_env, convert_filters, datetime_to_timestamp, create_host_config,
-    create_container_config, parse_bytes, ping_registry, parse_env_file,
-    version_lt, version_gte, decode_json_header, split_command,
+    kwargs_from_env, convert_filters, datetime_to_timestamp,
+    create_host_config, create_container_config, parse_bytes, ping_registry,
+    parse_env_file, version_lt, version_gte, decode_json_header, split_command,
     create_ipam_config, create_ipam_pool, parse_devices, normalize_links,
-) # flake8: noqa
+)
 
-from .types import Ulimit, LogConfig # flake8: noqa
-from .decorators import check_resource, minimum_version, update_headers #flake8: noqa
+from .types import Ulimit, LogConfig
+from .decorators import check_resource, minimum_version, update_headers

tests/integration/container_test.py

@@ -292,7 +292,7 @@ class CreateContainerTest(helpers.BaseTestCase):
             )
             self.client.start(container)
 
-        assert expected_msg in str(excinfo.value)
+        assert six.b(expected_msg) in excinfo.value.explanation
 
     def test_valid_no_log_driver_specified(self):
         log_config = docker.utils.LogConfig(