Add create_one_image_member() in FakeImage class and update test

Usually we use a fake object in unit test. To match the other
test, add create_one_image_member() in FakeImage class in imagev2
to create a fake image member, delete the old data and update
the unit test of image.

Change-Id: I062a362b15db7e8bc89ec48c540d310199fd6c0b

Author: Huanxuan Ao

openstackclient/tests/image/v2/fakes.py

@@ -49,13 +49,6 @@
 IMAGE_SHOW['tags'] = ''
 IMAGE_SHOW_data = tuple((IMAGE_SHOW[x] for x in sorted(IMAGE_SHOW)))
 
-member_status = 'pending'
-MEMBER = {
-    'member_id': identity_fakes.project_id,
-    'image_id': image_id,
-    'status': member_status,
-}
-
 # Just enough v2 schema to do some testing
 IMAGE_schema = {
     "additionalProperties": {
@@ -288,3 +281,29 @@ def get_image_data(image=None):
                 else:
                     data_list.append(getattr(image, x))
         return tuple(data_list)
+
+    @staticmethod
+    def create_one_image_member(attrs=None):
+        """Create a fake image member.
+
+        :param Dictionary attrs:
+            A dictionary with all attrbutes of image member
+        :return:
+            A FakeResource object with member_id, image_id and so on
+        """
+        attrs = attrs or {}
+
+        # Set default attribute
+        image_member_info = {
+            'member_id': 'member-id-' + uuid.uuid4().hex,
+            'image_id': 'image-id-' + uuid.uuid4().hex,
+            'status': 'pending',
+        }
+
+        # Overwrite default attributes if there are some attributes set
+        image_member_info.update(attrs)
+
+        image_member = fakes.FakeModel(
+            copy.deepcopy(image_member_info))
+
+        return image_member

openstackclient/tests/image/v2/test_image.py

@@ -347,6 +347,10 @@ def test_image_create_dead_options(self):
 class TestAddProjectToImage(TestImage):
 
     _image = image_fakes.FakeImage.create_one_image()
+    new_member = image_fakes.FakeImage.create_one_image_member(
+        attrs={'image_id': _image.id,
+               'member_id': identity_fakes.project_id}
+    )
 
     columns = (
         'image_id',
@@ -357,7 +361,7 @@ class TestAddProjectToImage(TestImage):
     datalist = (
         _image.id,
         identity_fakes.project_id,
-        image_fakes.member_status
+        new_member.status
     )
 
     def setUp(self):
@@ -367,11 +371,7 @@ def setUp(self):
         self.images_mock.get.return_value = self._image
 
         # Update the image_id in the MEMBER dict
-        self.new_member = copy.deepcopy(image_fakes.MEMBER)
-        self.new_member['image_id'] = self._image.id
-        self.image_members_mock.create.return_value = fakes.FakeModel(
-            self.new_member,
-        )
+        self.image_members_mock.create.return_value = self.new_member
         self.project_mock.get.return_value = fakes.FakeResource(
             None,
             copy.deepcopy(identity_fakes.PROJECT),