Merge branch 'posita-raise-on-inspect-empty-string-602'

docker/client.py

@@ -747,6 +747,8 @@ class Client(requests.Session):
 
     @check_resource
     def inspect_image(self, image):
+        if isinstance(image, dict):
+            image = image.get('Id')
         return self._result(
             self._get(self._url("/images/{0}/json".format(image))),
             True

docker/utils/decorators.py

@@ -8,9 +8,9 @@ def check_resource(f):
                 resource_id = kwargs.pop('container')
             elif kwargs.get('image'):
                 resource_id = kwargs.pop('image')
-            else:
-                raise errors.NullResource(
-                    'image or container param is undefined'
-                )
+        if not resource_id:
+            raise errors.NullResource(
+                'image or container param is undefined'
+            )
         return f(self, resource_id, *args, **kwargs)
     return wrapped

tests/test.py

@@ -1781,12 +1781,21 @@ class DockerClientTest(Cleanup, base.BaseTestCase):
             self.client.inspect_container(fake_api.FAKE_CONTAINER_ID)
         except Exception as e:
             self.fail('Command should not raise exception: {0}'.format(e))
-
         fake_request.assert_called_with(
             url_prefix + 'containers/3cc2351ab11b/json',
             timeout=DEFAULT_TIMEOUT_SECONDS
         )
 
+    def test_inspect_container_empty_id(self):
+        try:
+            self.client.inspect_container('')
+        except docker.errors.NullResource as e:
+            self.assertEqual(
+                e.args[0], 'image or container param is undefined'
+            )
+        else:
+            self.fail('Command expected NullResource exception')
+
     def test_container_stats(self):
         try:
             self.client.stats(fake_api.FAKE_CONTAINER_ID)
@@ -1958,6 +1967,16 @@ class DockerClientTest(Cleanup, base.BaseTestCase):
             timeout=DEFAULT_TIMEOUT_SECONDS
         )
 
+    def test_inspect_image_empty_id(self):
+        try:
+            self.client.inspect_image('')
+        except docker.errors.NullResource as e:
+            self.assertEqual(
+                e.args[0], 'image or container param is undefined'
+            )
+        else:
+            self.fail('Command expected NullResource exception')
+
     def test_insert_image(self):
         try:
             self.client.insert(fake_api.FAKE_IMAGE_NAME,