Merge "Refactor: Abstract columns and datalist out in volume test cases"

7 files changed, 226 insertions, 603 deletions

diff --git a/openstackclient/tests/volume/v1/test_qos_specs.py b/openstackclient/tests/volume/v1/test_qos_specs.py
index c2e6c0af..7ecc8ee8 100644
--- a/openstackclient/tests/volume/v1/test_qos_specs.py
+++ b/openstackclient/tests/volume/v1/test_qos_specs.py
@@ -69,6 +69,18 @@ class TestQosAssociate(TestQos):
 
 
 class TestQosCreate(TestQos):
+
+    columns = (
+        'consumer',
+        'id',
+        'name',
+    )
+    datalist = (
+        volume_fakes.qos_consumer,
+        volume_fakes.qos_id,
+        volume_fakes.qos_name
+    )
+
     def setUp(self):
         super(TestQosCreate, self).setUp()
 
@@ -97,12 +109,7 @@ class TestQosCreate(TestQos):
             {'consumer': volume_fakes.qos_default_consumer}
         )
 
-        collist = (
-            'consumer',
-            'id',
-            'name'
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             volume_fakes.qos_default_consumer,
             volume_fakes.qos_id,
@@ -133,19 +140,8 @@ class TestQosCreate(TestQos):
             volume_fakes.qos_name,
             {'consumer': volume_fakes.qos_consumer}
         )
-
-        collist = (
-            'consumer',
-            'id',
-            'name'
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.qos_consumer,
-            volume_fakes.qos_id,
-            volume_fakes.qos_name
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_qos_create_with_properties(self):
         self.qos_mock.create.return_value = fakes.FakeResource(
@@ -176,17 +172,11 @@ class TestQosCreate(TestQos):
             specs
         )
 
-        collist = (
-            'consumer',
-            'id',
-            'name',
+        columns = self.columns + (
             'specs',
         )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.qos_consumer,
-            volume_fakes.qos_id,
-            volume_fakes.qos_name,
+        self.assertEqual(columns, columns)
+        datalist = self.datalist + (
             volume_fakes.qos_specs,
         )
         self.assertEqual(datalist, data)
diff --git a/openstackclient/tests/volume/v1/test_volume.py b/openstackclient/tests/volume/v1/test_volume.py
index 70ff50de..33255aac 100644
--- a/openstackclient/tests/volume/v1/test_volume.py
+++ b/openstackclient/tests/volume/v1/test_volume.py
@@ -49,6 +49,29 @@ class TestVolume(volume_fakes.TestVolumev1):
 
 class TestVolumeCreate(TestVolume):
 
+    columns = (
+        'attach_status',
+        'availability_zone',
+        'display_description',
+        'display_name',
+        'id',
+        'properties',
+        'size',
+        'status',
+        'type',
+    )
+    datalist = (
+        'detached',
+        volume_fakes.volume_zone,
+        volume_fakes.volume_description,
+        volume_fakes.volume_name,
+        volume_fakes.volume_id,
+        volume_fakes.volume_metadata_str,
+        volume_fakes.volume_size,
+        volume_fakes.volume_status,
+        volume_fakes.volume_type,
+    )
+
     def setUp(self):
         super(TestVolumeCreate, self).setUp()
 
@@ -93,31 +116,8 @@ class TestVolumeCreate(TestVolume):
             None,
             None,
         )
-
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_options(self):
         arglist = [
@@ -158,30 +158,8 @@ class TestVolumeCreate(TestVolume):
             None,
         )
 
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_user_project_id(self):
         # Return a project
@@ -233,30 +211,8 @@ class TestVolumeCreate(TestVolume):
             None,
         )
 
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_user_project_name(self):
         # Return a project
@@ -308,30 +264,8 @@ class TestVolumeCreate(TestVolume):
             None,
         )
 
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_properties(self):
         arglist = [
@@ -369,30 +303,8 @@ class TestVolumeCreate(TestVolume):
             None,
         )
 
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_image_id(self):
         self.images_mock.get.return_value = fakes.FakeResource(
@@ -435,30 +347,8 @@ class TestVolumeCreate(TestVolume):
             volume_fakes.image_id,
         )
 
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_image_name(self):
         self.images_mock.get.return_value = fakes.FakeResource(
@@ -501,34 +391,29 @@ class TestVolumeCreate(TestVolume):
             volume_fakes.image_id,
         )
 
-        collist = (
-            'attach_status',
-            'availability_zone',
-            'display_description',
-            'display_name',
-            'id',
-            'properties',
-            'size',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            'detached',
-            volume_fakes.volume_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_name,
-            volume_fakes.volume_id,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
 
 class TestVolumeList(TestVolume):
 
+    columns = (
+        'ID',
+        'Display Name',
+        'Status',
+        'Size',
+        'Attached to',
+    )
+    datalist = (
+        (
+            volume_fakes.volume_id,
+            volume_fakes.volume_name,
+            volume_fakes.volume_status,
+            volume_fakes.volume_size,
+            '',
+        ),
+    )
+
     def setUp(self):
         super(TestVolumeList, self).setUp()
 
@@ -555,23 +440,8 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, columns)
-
-        datalist = ((
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_status,
-            volume_fakes.volume_size,
-            '',
-        ), )
-        self.assertEqual(datalist, tuple(data))
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, tuple(data))
 
     def test_volume_list_name(self):
         arglist = [
@@ -586,24 +456,8 @@ class TestVolumeList(TestVolume):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         columns, data = self.cmd.take_action(parsed_args)
-
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
-
-        datalist = ((
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_status,
-            volume_fakes.volume_size,
-            '',
-        ), )
-        self.assertEqual(datalist, tuple(data))
+        self.assertEqual(self.columns, tuple(columns))
+        self.assertEqual(self.datalist, tuple(data))
 
     def test_volume_list_status(self):
         arglist = [
@@ -618,24 +472,8 @@ class TestVolumeList(TestVolume):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         columns, data = self.cmd.take_action(parsed_args)
-
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
-
-        datalist = ((
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_status,
-            volume_fakes.volume_size,
-            '',
-        ), )
-        self.assertEqual(datalist, tuple(data))
+        self.assertEqual(self.columns, tuple(columns))
+        self.assertEqual(self.datalist, tuple(data))
 
     def test_volume_list_all_projects(self):
         arglist = [
@@ -650,24 +488,8 @@ class TestVolumeList(TestVolume):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         columns, data = self.cmd.take_action(parsed_args)
-
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, columns)
-
-        datalist = ((
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_status,
-            volume_fakes.volume_size,
-            '',
-        ), )
-        self.assertEqual(datalist, tuple(data))
+        self.assertEqual(self.columns, tuple(columns))
+        self.assertEqual(self.datalist, tuple(data))
 
     def test_volume_list_long(self):
         arglist = [
diff --git a/openstackclient/tests/volume/v2/test_backup.py b/openstackclient/tests/volume/v2/test_backup.py
index 7af22e8a..dc1d7877 100644
--- a/openstackclient/tests/volume/v2/test_backup.py
+++ b/openstackclient/tests/volume/v2/test_backup.py
@@ -166,6 +166,24 @@ class TestBackupRestore(TestBackup):
 
 
 class TestBackupList(TestBackup):
+
+    columns = [
+        'ID',
+        'Name',
+        'Description',
+        'Status',
+        'Size',
+    ]
+    datalist = (
+        (
+            volume_fakes.backup_id,
+            volume_fakes.backup_name,
+            volume_fakes.backup_description,
+            volume_fakes.backup_status,
+            volume_fakes.backup_size
+        ),
+    )
+
     def setUp(self):
         super(TestBackupList, self).setUp()
 
@@ -193,17 +211,8 @@ class TestBackupList(TestBackup):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = ['ID', 'Name', 'Description', 'Status', 'Size']
-        self.assertEqual(collist, columns)
-
-        datalist = ((
-            volume_fakes.backup_id,
-            volume_fakes.backup_name,
-            volume_fakes.backup_description,
-            volume_fakes.backup_status,
-            volume_fakes.backup_size
-        ),)
-        self.assertEqual(datalist, tuple(data))
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, tuple(data))
 
     def test_backup_list_with_options(self):
         arglist = ["--long"]
@@ -212,9 +221,13 @@ class TestBackupList(TestBackup):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = ['ID', 'Name', 'Description', 'Status', 'Size',
-                   'Availability Zone', 'Volume', 'Container']
-        self.assertEqual(collist, columns)
+        columns = self.columns + [
+            'Availability Zone',
+            'Volume',
+            'Container',
+        ]
+
+        self.assertEqual(columns, columns)
 
         datalist = ((
             volume_fakes.backup_id,
diff --git a/openstackclient/tests/volume/v2/test_qos_specs.py b/openstackclient/tests/volume/v2/test_qos_specs.py
index 4222ed07..403634a3 100644
--- a/openstackclient/tests/volume/v2/test_qos_specs.py
+++ b/openstackclient/tests/volume/v2/test_qos_specs.py
@@ -69,6 +69,18 @@ class TestQosAssociate(TestQos):
 
 
 class TestQosCreate(TestQos):
+
+    columns = (
+        'consumer',
+        'id',
+        'name'
+    )
+    datalist = (
+        volume_fakes.qos_consumer,
+        volume_fakes.qos_id,
+        volume_fakes.qos_name
+    )
+
     def setUp(self):
         super(TestQosCreate, self).setUp()
 
@@ -97,12 +109,7 @@ class TestQosCreate(TestQos):
             {'consumer': volume_fakes.qos_default_consumer}
         )
 
-        collist = (
-            'consumer',
-            'id',
-            'name'
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             volume_fakes.qos_default_consumer,
             volume_fakes.qos_id,
@@ -134,18 +141,8 @@ class TestQosCreate(TestQos):
             {'consumer': volume_fakes.qos_consumer}
         )
 
-        collist = (
-            'consumer',
-            'id',
-            'name'
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.qos_consumer,
-            volume_fakes.qos_id,
-            volume_fakes.qos_name
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_qos_create_with_properties(self):
         self.qos_mock.create.return_value = fakes.FakeResource(
@@ -176,17 +173,11 @@ class TestQosCreate(TestQos):
             specs
         )
 
-        collist = (
-            'consumer',
-            'id',
-            'name',
+        columns = self.columns + (
             'specs',
         )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.qos_consumer,
-            volume_fakes.qos_id,
-            volume_fakes.qos_name,
+        self.assertEqual(columns, columns)
+        datalist = self.datalist + (
             volume_fakes.qos_specs,
         )
         self.assertEqual(datalist, data)
diff --git a/openstackclient/tests/volume/v2/test_snapshot.py b/openstackclient/tests/volume/v2/test_snapshot.py
index 3b30d4ef..1c1dd437 100644
--- a/openstackclient/tests/volume/v2/test_snapshot.py
+++ b/openstackclient/tests/volume/v2/test_snapshot.py
@@ -202,6 +202,15 @@ class TestSnapshotUnset(TestSnapshot):
 
 
 class TestSnapshotList(TestSnapshot):
+
+    columns = [
+        "ID",
+        "Name",
+        "Description",
+        "Status",
+        "Size"
+    ]
+
     def setUp(self):
         super(TestSnapshotList, self).setUp()
 
@@ -231,8 +240,7 @@ class TestSnapshotList(TestSnapshot):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         columns, data = self.cmd.take_action(parsed_args)
-        collist = ["ID", "Name", "Description", "Status", "Size"]
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = ((
             volume_fakes.snapshot_id,
             volume_fakes.snapshot_name,
@@ -249,9 +257,12 @@ class TestSnapshotList(TestSnapshot):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = ["ID", "Name", "Description", "Status", "Size", "Created At",
-                   "Volume", "Properties"]
-        self.assertEqual(collist, columns)
+        columns = self.columns + [
+            "Created At",
+            "Volume",
+            "Properties"
+        ]
+        self.assertEqual(columns, columns)
 
         datalist = ((
             volume_fakes.snapshot_id,
@@ -277,14 +288,7 @@ class TestSnapshotList(TestSnapshot):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = [
-            "ID",
-            "Name",
-            "Description",
-            "Status",
-            "Size"
-        ]
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
 
         datalist = ((
             volume_fakes.snapshot_id,
diff --git a/openstackclient/tests/volume/v2/test_type.py b/openstackclient/tests/volume/v2/test_type.py
index c63cd1fa..9bf60363 100644
--- a/openstackclient/tests/volume/v2/test_type.py
+++ b/openstackclient/tests/volume/v2/test_type.py
@@ -44,6 +44,17 @@ class TestType(volume_fakes.TestVolume):
 
 class TestTypeCreate(TestType):
 
+    columns = (
+        'description',
+        'id',
+        'name',
+    )
+    datalist = (
+        volume_fakes.type_description,
+        volume_fakes.type_id,
+        volume_fakes.type_name,
+    )
+
     def setUp(self):
         super(TestTypeCreate, self).setUp()
 
@@ -76,18 +87,8 @@ class TestTypeCreate(TestType):
             is_public=True,
         )
 
-        collist = (
-            'description',
-            'id',
-            'name',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.type_description,
-            volume_fakes.type_id,
-            volume_fakes.type_name,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_type_create_private(self):
         arglist = [
@@ -110,21 +111,17 @@ class TestTypeCreate(TestType):
             is_public=False,
         )
 
-        collist = (
-            'description',
-            'id',
-            'name',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.type_description,
-            volume_fakes.type_id,
-            volume_fakes.type_name,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
 
 class TestTypeList(TestType):
+
+    columns = [
+        "ID",
+        "Name"
+    ]
+
     def setUp(self):
         super(TestTypeList, self).setUp()
 
@@ -146,8 +143,7 @@ class TestTypeList(TestType):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         columns, data = self.cmd.take_action(parsed_args)
-        collist = ["ID", "Name"]
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = ((
             volume_fakes.type_id,
             volume_fakes.type_name,
@@ -160,8 +156,11 @@ class TestTypeList(TestType):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         columns, data = self.cmd.take_action(parsed_args)
-        collist = ["ID", "Name", "Description", "Properties"]
-        self.assertEqual(collist, columns)
+        columns = self.columns + [
+            "Description",
+            "Properties"
+        ]
+        self.assertEqual(columns, columns)
         datalist = ((
             volume_fakes.type_id,
             volume_fakes.type_name,
diff --git a/openstackclient/tests/volume/v2/test_volume.py b/openstackclient/tests/volume/v2/test_volume.py
index 50826c31..d61a6c15 100644
--- a/openstackclient/tests/volume/v2/test_volume.py
+++ b/openstackclient/tests/volume/v2/test_volume.py
@@ -48,6 +48,32 @@ class TestVolume(volume_fakes.TestVolume):
 
 
 class TestVolumeCreate(TestVolume):
+
+    columns = (
+        'attachments',
+        'availability_zone',
+        'description',
+        'id',
+        'name',
+        'properties',
+        'size',
+        'snapshot_id',
+        'status',
+        'type',
+    )
+    datalist = (
+        volume_fakes.volume_attachments,
+        volume_fakes.volume_availability_zone,
+        volume_fakes.volume_description,
+        volume_fakes.volume_id,
+        volume_fakes.volume_name,
+        volume_fakes.volume_metadata_str,
+        volume_fakes.volume_size,
+        volume_fakes.volume_snapshot_id,
+        volume_fakes.volume_status,
+        volume_fakes.volume_type,
+    )
+
     def setUp(self):
         super(TestVolumeCreate, self).setUp()
 
@@ -88,32 +114,8 @@ class TestVolumeCreate(TestVolume):
             source_volid=None
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_options(self):
         arglist = [
@@ -149,32 +151,8 @@ class TestVolumeCreate(TestVolume):
             source_volid=None
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_user_project_id(self):
         # Return a project
@@ -221,32 +199,8 @@ class TestVolumeCreate(TestVolume):
             source_volid=None
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_user_project_name(self):
         # Return a project
@@ -293,32 +247,8 @@ class TestVolumeCreate(TestVolume):
             source_volid=None
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_properties(self):
         arglist = [
@@ -351,32 +281,8 @@ class TestVolumeCreate(TestVolume):
             source_volid=None
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_image_id(self):
         self.images_mock.get.return_value = fakes.FakeResource(
@@ -411,35 +317,11 @@ class TestVolumeCreate(TestVolume):
             availability_zone=None,
             metadata=None,
             imageRef=volume_fakes.image_id,
-            source_volid=None
+            source_volid=None,
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
     def test_volume_create_image_name(self):
         self.images_mock.get.return_value = fakes.FakeResource(
@@ -477,36 +359,20 @@ class TestVolumeCreate(TestVolume):
             source_volid=None
         )
 
-        collist = (
-            'attachments',
-            'availability_zone',
-            'description',
-            'id',
-            'name',
-            'properties',
-            'size',
-            'snapshot_id',
-            'status',
-            'type',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            volume_fakes.volume_attachments,
-            volume_fakes.volume_availability_zone,
-            volume_fakes.volume_description,
-            volume_fakes.volume_id,
-            volume_fakes.volume_name,
-            volume_fakes.volume_metadata_str,
-            volume_fakes.volume_size,
-            volume_fakes.volume_snapshot_id,
-            volume_fakes.volume_status,
-            volume_fakes.volume_type,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist, data)
 
 
 class TestVolumeList(TestVolume):
 
+    columns = [
+        'ID',
+        'Display Name',
+        'Status',
+        'Size',
+        'Attached to',
+    ]
+
     def setUp(self):
         super(TestVolumeList, self).setUp()
 
@@ -549,14 +415,7 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = [
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        ]
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
@@ -584,19 +443,11 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
         msg = 'Attached to %s on %s ' % (server, device)
-
         datalist = ((
             volume_fakes.volume_id,
             volume_fakes.volume_name,
@@ -622,19 +473,11 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
         msg = 'Attached to %s on %s ' % (server, device)
-
         datalist = ((
             volume_fakes.volume_id,
             volume_fakes.volume_name,
@@ -658,19 +501,10 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
-
+        self.assertEqual(self.columns, columns)
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
         msg = 'Attached to %s on %s ' % (server, device)
-
         datalist = ((
             volume_fakes.volume_id,
             volume_fakes.volume_name,
@@ -696,19 +530,11 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
         msg = 'Attached to %s on %s ' % (server, device)
-
         datalist = ((
             volume_fakes.volume_id,
             volume_fakes.volume_name,
@@ -732,19 +558,11 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
         msg = 'Attached to %s on %s ' % (server, device)
-
         datalist = ((
             volume_fakes.volume_id,
             volume_fakes.volume_name,
@@ -768,14 +586,7 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = (
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        )
-        self.assertEqual(collist, tuple(columns))
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']
@@ -803,14 +614,7 @@ class TestVolumeList(TestVolume):
 
         columns, data = self.cmd.take_action(parsed_args)
 
-        collist = [
-            'ID',
-            'Display Name',
-            'Status',
-            'Size',
-            'Attached to',
-        ]
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
 
         server = volume_fakes.volume_attachment_server['server_id']
         device = volume_fakes.volume_attachment_server['device']