Adopt sdk_fakes for compute.test_usage

Depends-On: https://review.opendev.org/c/openstack/openstacksdk/+/882682
Change-Id: Ia8fd2ccfd1e86749fdeeb49c2d57de64635cbb82

Author: gtema

openstackclient/tests/unit/compute/v2/fakes.py

@@ -32,7 +32,6 @@
 from openstack.compute.v2 import server_group as _server_group
 from openstack.compute.v2 import server_interface as _server_interface
 from openstack.compute.v2 import server_migration as _server_migration
-from openstack.compute.v2 import usage as _usage
 from openstack.compute.v2 import volume_attachment as _volume_attachment
 
 from openstackclient.tests.unit import fakes
@@ -810,62 +809,6 @@ def get_networks(networks=None, count=2):
     return mock.Mock(side_effect=networks)
 
 
-def create_one_usage(attrs=None):
-    """Create a fake usage.
-
-    :param dict attrs:
-        A dictionary with all attributes
-    :return:
-        A FakeResource object, with tenant_id and other attributes
-    """
-    if attrs is None:
-        attrs = {}
-
-    # Set default attributes.
-    usage_info = {
-        'project_id': 'usage-tenant-id-' + uuid.uuid4().hex,
-        'total_memory_mb_usage': 512.0,
-        'total_vcpus_usage': 1.0,
-        'total_local_gb_usage': 1.0,
-        'server_usages': [
-            {
-                'ended_at': None,
-                'flavor': 'usage-flavor-' + uuid.uuid4().hex,
-                'hours': 1.0,
-                'local_gb': 1,
-                'memory_mb': 512,
-                'name': 'usage-name-' + uuid.uuid4().hex,
-                'instance_id': uuid.uuid4().hex,
-                'state': 'active',
-                'uptime': 3600,
-                'vcpus': 1,
-            }
-        ],
-    }
-
-    # Overwrite default attributes.
-    usage_info.update(attrs)
-
-    return _usage.Usage(**usage_info)
-
-
-def create_usages(attrs=None, count=2):
-    """Create multiple fake services.
-
-    :param dict attrs:
-        A dictionary with all attributes
-    :param int count:
-        The number of services to fake
-    :return:
-        A list of FakeResource objects faking the services
-    """
-    usages = []
-    for i in range(0, count):
-        usages.append(create_one_usage(attrs))
-
-    return usages
-
-
 def create_limits(attrs=None):
     """Create a fake limits object."""
     attrs = attrs or {}

openstackclient/tests/unit/compute/v2/test_usage.py

@@ -14,9 +14,12 @@
 import datetime
 from unittest import mock
 
+from openstack.compute.v2 import usage as _usage
+from openstack.identity.v3 import project as _project
+from openstack.test import fakes as sdk_fakes
+
 from openstackclient.compute.v2 import usage as usage_cmds
 from openstackclient.tests.unit.compute.v2 import fakes as compute_fakes
-from openstackclient.tests.unit.identity.v3 import fakes as identity_fakes
 
 
 class TestUsage(compute_fakes.TestComputev2):
@@ -28,11 +31,11 @@ def setUp(self):
 
 
 class TestUsageList(TestUsage):
-    project = identity_fakes.FakeProject.create_one_project()
+    project = sdk_fakes.generate_fake_resource(_project.Project)
     # Return value of self.usage_mock.list().
-    usages = compute_fakes.create_usages(
-        attrs={'project_id': project.name}, count=1
-    )
+    usages = [
+        sdk_fakes.generate_fake_resource(_usage.Usage, project_id=project.name)
+    ]
 
     columns = (
         "Project",
@@ -123,9 +126,11 @@ def test_usage_list_with_pagination(self):
 
 
 class TestUsageShow(TestUsage):
-    project = identity_fakes.FakeProject.create_one_project()
+    project = sdk_fakes.generate_fake_resource(_project.Project)
     # Return value of self.usage_mock.list().
-    usage = compute_fakes.create_one_usage(attrs={'project_id': project.name})
+    usage = sdk_fakes.generate_fake_resource(
+        _usage.Usage, project_id=project.name
+    )
 
     columns = (
         'Project',