Add unittest for swift.py and bug fix

Fixed a bug when parsing backup names. The issue
arised after the freezer_ prefix was introduced.

Added unittests for freezer/swift.py

In tox.ini now pytest doesn't recurse on .venv dir.

Change-Id: Ie29481e525efafcb4420f442174932f058e71d3f
LAUNCHPAD: https://bugs.launchpad.net/freezer/+bug/1412016
LAUNCHPAD: https://blueprints.launchpad.net/freezer/+spec/unittest-swift

freezer/arguments.py

@@ -39,7 +39,7 @@ def backup_arguments():
         help=(
             "Set the action to be taken. backup and restore are"
             " self explanatory, info is used to retrieve info from the"
-            " storage media, while maintenance is used to delete old backups"
+            " storage media, while admin is used to delete old backups"
             " and other admin actions. Default backup."),
         dest='action', default='backup')
     arg_parser.add_argument(

freezer/main.py

@@ -128,6 +128,7 @@ def freezer_main(backup_args):
     # Admin tasks code should go here, before moving it on a dedicated module
     if backup_args.action == 'admin' or backup_args.remove_older_than:
         # Remove backups older if set.
+        backup_args = get_container_content(backup_args)
         remove_obj_older_than(backup_args)
 
     # Compute elapsed time

freezer/swift.py

@@ -95,8 +95,9 @@ def show_objects(backup_opt_dict):
         backup_opt_dict.remote_obj_list]
 
     if not validate_all_args(required_list):
-        logging.critical('[*] Error: Remote Object list not avaiblale')
+        err_msg = '[*] Error: Remote Object list not avaiblale'
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
 
     ordered_objects = {}
     remote_obj = backup_opt_dict.remote_obj_list
@@ -125,8 +126,8 @@ def remove_obj_older_than(backup_opt_dict):
         float(backup_opt_dict.remove_older_than))
     logging.info('[*] Removing object older {0} day(s)'.format(
         backup_opt_dict.remove_older_than))
-    # Compute the amount of seconds from days to compare with
+    # Compute the amount of seconds from the number of days provided by
-    # the remote backup timestamp
+    # remove_older_than and compare it with the remote backup timestamp
     max_time = backup_opt_dict.remove_older_than * 86400
     current_timestamp = backup_opt_dict.time_stamp
     backup_name = backup_opt_dict.backup_name
@@ -134,29 +135,73 @@ def remove_obj_older_than(backup_opt_dict):
     backup_opt_dict = get_match_backup(backup_opt_dict)
     sorted_remote_list = sort_backup_list(backup_opt_dict)
     sw_connector = backup_opt_dict.sw_connector
+
+    level_0_flag = None
+    tar_meta_0_flag = None
     for match_object in sorted_remote_list:
-        obj_name_match = re.search(r'{0}_({1})_(\d+)_\d+?$'.format(
+        obj_name_match = re.search(r'{0}_({1})_(\d+)_(\d+?)$'.format(
             hostname, backup_name), match_object, re.I)
-        if not obj_name_match:
+
-            continue
+        if obj_name_match:
-        remote_obj_timestamp = int(obj_name_match.group(2))
+            remote_obj_timestamp = int(obj_name_match.group(2))
-        time_delta = current_timestamp - remote_obj_timestamp
+            time_delta = current_timestamp - remote_obj_timestamp
-        if time_delta > max_time:
+
-            logging.info('[*] Removing backup object: {0}'.format(
+            # If the difference between current_timestamp and the backup
-                match_object))
+            # timestamp is smaller then max_time, then the backup is valid
-            sw_connector.delete_object(
+            if time_delta > max_time:
-                backup_opt_dict.container, match_object)
+
-            # Try to remove also the corresponding tar_meta
+                # If the time_delta is bigger then max_time, then we verify
-            # NEED TO BE IMPROVED!
+                # if the level of the backup is 0. In case is not 0,
-            try:
+                # the backup is not removed as is part of a backup where the
-                tar_match_object = 'tar_metadata_{0}'.format(match_object)
+                # levels cross the max_time. In this case we don't remove the
-                sw_connector.delete_object(
+                # backup till its level 0.
-                    backup_opt_dict.container, tar_match_object)
+                # Both tar_meta data and backup objects names are handled
-                logging.info(
+                if match_object.startswith('tar_meta'):
-                    '[*] Object tar meta data removed: {0}'.format(
+                    if tar_meta_0_flag is None:
-                        tar_match_object))
+                        if obj_name_match.group(3) is '0':
-            except Exception:
+                            tar_meta_0_flag = True
-                pass
+                        else:
+                            continue
+                elif level_0_flag is None:
+                    if obj_name_match.group(3) is '0':
+                        level_0_flag = True
+                    else:
+                        continue
+
+                logging.info('[*] Removing backup object: {0}'.format(
+                    match_object))
+                sleep_time = 120
+                retry_max_count = 60
+                curr_count = 0
+                while True:
+                    try:
+                        sw_connector.delete_object(
+                            backup_opt_dict.container, match_object)
+                        logging.info(
+                            '[*] Remote object {0} removed'.format(
+                                match_object))
+                        break
+                    except Exception as error:
+                        curr_count += 1
+                        time.sleep(sleep_time)
+                        if curr_count >= retry_max_count:
+                            err_msg = (
+                                '[*] Remote Object {0} failed to be removed.'
+                                ' Retrying intent '
+                                '{1} out of {2} totals'.format(
+                                    match_object, curr_count,
+                                    retry_max_count))
+                            error_message = '[*] Error: {0}: {1}'.format(
+                                err_msg, error)
+                            logging.exception(error_message)
+                            raise Exception(error_message)
+                        else:
+                            logging.warning(
+                                ('[*] Remote object {0} failed to be removed'
+                                    ' Retrying intent n. '
+                                    '{1} out of {2} totals'.format(
+                                        match_object, curr_count,
+                                        retry_max_count)))
 
 
 def get_container_content(backup_opt_dict):
@@ -166,10 +211,9 @@ def get_container_content(backup_opt_dict):
     """
 
     if not backup_opt_dict.container:
-        print '[*] Error: please provide a valid container name'
+        err_msg = '[*] Error: please provide a valid container name'
-        logging.critical(
+        logging.exception(err_msg)
-            '[*] Error: please provide a valid container name')
+        raise Exception(err_msg)
-        raise Exception
 
     sw_connector = backup_opt_dict.sw_connector
     try:
@@ -177,8 +221,9 @@ def get_container_content(backup_opt_dict):
             sw_connector.get_container(backup_opt_dict.container)[1]
         return backup_opt_dict
     except Exception as error:
-        logging.critical('[*] Error: get_object_list: {0}'.format(error))
+        err_msg = '[*] Error: get_object_list: {0}'.format(error)
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
 
 
 def check_container_existance(backup_opt_dict):
@@ -195,9 +240,11 @@ def check_container_existance(backup_opt_dict):
         backup_opt_dict.container]
 
     if not validate_all_args(required_list):
-        logging.critical("[*] Error: please provide ALL the following args \
+        err_msg = ('[*] Error: please provide the following arg: '
-            {0}".format(','.join(required_list)))
+                   '--container')
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
+
     logging.info(
         "[*] Retrieving container {0}".format(backup_opt_dict.container))
     sw_connector = backup_opt_dict.sw_connector
@@ -260,6 +307,7 @@ def get_client(backup_opt_dict):
         authurl=options['auth_url'],
         user=options['username'], key=options['password'], os_options=options,
         tenant_name=options['tenant_name'], auth_version='2', retries=6)
+
     return backup_opt_dict
 
 
@@ -270,8 +318,9 @@ def manifest_upload(
     """
 
     if not manifest_meta_dict:
-        logging.critical('[*] Error Manifest Meta dictionary not available')
+        err_msg = '[*] Error Manifest Meta dictionary not available'
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
 
     sw_connector = backup_opt_dict.sw_connector
     tmp_manifest_meta = dict()
@@ -296,14 +345,16 @@ def add_object(
     """
 
     if not backup_opt_dict.container:
-        logging.critical('[*] Error: Please specify the container \
+        err_msg = ('[*] Error: Please specify the container '
-        name with -C option')
+                   'name with -C or --container option')
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
 
     if absolute_file_path is None and backup_queue is None:
-        logging.critical('[*] Error: Please specify the file you want to \
+        err_msg = ('[*] Error: Please specify the file or fs path '
-            upload on swift with -d option')
+                   'you want to upload on swift with -d or --dst-file')
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
 
     sw_connector = backup_opt_dict.sw_connector
     while True:
@@ -354,8 +405,9 @@ def get_containers_list(backup_opt_dict):
         backup_opt_dict.containers_list = sw_connector.get_account()[1]
         return backup_opt_dict
     except Exception as error:
-        logging.error('[*] Get containers list error: {0}').format(error)
+        err_msg = '[*] Get containers list error: {0}'.format(error)
-        raise Exception
+        logging.exception(err_msg)
+        raise Exception(err_msg)
 
 
 def object_to_file(backup_opt_dict, file_name_abs_path):
@@ -369,9 +421,10 @@ def object_to_file(backup_opt_dict, file_name_abs_path):
         file_name_abs_path]
 
     if not validate_all_args(required_list):
-        logging.critical('[*] Error: Please provide ALL the following \
+        err_msg = ('[*] Error in object_to_file(): Please provide ALL the '
-            arguments: {0}'.format(','.join(required_list)))
+                   'following arguments: --container file_name_abs_path')
-        raise ValueError
+        logging.exception(err_msg)
+        raise ValueError(err_msg)
 
     sw_connector = backup_opt_dict.sw_connector
     file_name = file_name_abs_path.split('/')[-1]
@@ -403,9 +456,10 @@ def object_to_stream(backup_opt_dict, write_pipe, read_pipe, obj_name):
         backup_opt_dict.container]
 
     if not validate_all_args(required_list):
-        logging.critical('[*] Error: Please provide ALL the following \
+        err_msg = ('[*] Error in object_to_stream(): Please provide ALL the '
-            arguments: {0}'.format(','.join(required_list)))
+                   'following argument: --container')
-        raise ValueError
+        logging.exception(err_msg)
+        raise ValueError(err_msg)
 
     backup_opt_dict = get_client(backup_opt_dict)
     logging.info('[*] Downloading data stream...')

freezer/utils.py

@@ -161,7 +161,7 @@ def sort_backup_list(backup_opt_dict):
 
     # Remove duplicates objects
     sorted_backups_list = list(set(backup_opt_dict.remote_match_backup))
-    sorted_backups_list.sort(key=lambda x: x.split('_')[2], reverse=True)
+    sorted_backups_list.sort(key=lambda x: x.rsplit('_', 2)[1], reverse=True)
     return sorted_backups_list
 
 

tests/commons.py

@@ -10,7 +10,7 @@ import os
 import MySQLdb
 import pymongo
 import re
-
+from collections import OrderedDict
 import __builtin__
 
 os.environ['OS_REGION_NAME'] = 'testregion'
@@ -21,6 +21,15 @@ os.environ['OS_USERNAME'] = 'testusername'
 os.environ['OS_TENANT_NAME'] = 'testtenantename'
 
 
+class FakeTime:
+
+    def __init__(self):
+        return None
+
+    def sleep(self, *args):
+        return True
+
+
 class FakeValidate:
 
     def __init__(self):
@@ -194,14 +203,15 @@ class FakeMultiProcessing:
             return True
 
         def get(self, opt1=dict()):
-            return True
+
+            return {'item': 'test-item-value'}
 
         def __call__(self, duplex=True):
             return []
 
     class Pipe:
-        #def __init__(self, duplex=True):
+        def __init__(self, duplex=True):
-        #    return None
+            return None
 
         def send_bytes(self, opt1=True):
             return True
@@ -245,6 +255,70 @@ class FakeMultiProcessing:
         return True
 
 
+class FakeMultiProcessing1:
+    def __init__(self, duplex=True, maxsize=True):
+        return None
+
+    class Queue:
+        def __init__(self, duplex=True):
+            return None
+
+        def put(self, opt1=dict()):
+            return False
+
+        def get(self, opt1=dict()):
+
+            return {'item': 'test-item-value'}
+
+        def __call__(self, duplex=True):
+            return []
+
+    class Pipe:
+        def __init__(self, duplex=True):
+            return None
+
+        def send_bytes(self, opt1=True):
+            return False
+
+        def recv_bytes(self, opt1=True):
+            raise EOFError
+
+        def send(self, opt1=True):
+            return False
+
+        def recv(self, opt1=True):
+            raise EOFError
+
+        def poll(self):
+            return False
+
+        def close(self):
+            return False
+
+        def __call__(self, duplex=True):
+            return [self, self]
+
+    class Process:
+        def __init__(self, target=True, args=True):
+            return None
+
+        def start(self):
+            return True
+
+        def stop(self):
+            return True
+
+        def daemon(self):
+            return True
+
+        def join(self):
+            return True
+
+    @classmethod
+    def util(cls):
+        return True
+
+
 class FakeSubProcess:
     def __init__(self, opt1=True, stdin=True, stdout=True,
             stderr=True, shell=True, executable=True, env={},
@@ -415,6 +489,53 @@ class FakeSwiftClient:
             def head_object(self, opt1=True, opt2=True):
                 return True
 
+            def put_container(self, container=True):
+                return True
+
+            def delete_object(self, *args, **kwargs):
+                return True
+
+            def get_container(self, *args, **kwargs):
+                return [True, True]
+
+            def get_account(self, *args, **kwargs):
+                return True, [{'name': 'test-container'}, {'name': 'test-container-segments'}]
+
+            def get_object(self, *args, **kwargs):
+                return ['abcdef', 'hijlmno']
+
+
+class FakeSwiftClient1:
+
+    def __init__(self):
+        return None
+
+    class client:
+        def __init__(self):
+            return None
+
+        class Connection:
+            def __init__(self, key=True, os_options=True, auth_version=True, user=True, authurl=True, tenant_name=True, retries=True):
+                return None
+
+            def put_object(self, opt1=True, opt2=True, opt3=True, opt4=True, opt5=True, headers=True, content_length=True, content_type=True):
+                raise Exception
+
+            def head_object(self, opt1=True, opt2=True):
+                raise Exception
+
+            def put_container(self, container=True):
+                raise Exception
+
+            def delete_object(self):
+                raise Exception
+
+            def get_container(self, *args, **kwargs):
+                raise Exception
+
+            def get_account(self, *args, **kwargs):
+                raise Exception
+
 
 class FakeRe:
 
@@ -486,7 +607,7 @@ class BackupOpt1:
         self.remove_older_than = '0'
         self.max_seg_size = '0'
         self.time_stamp = 123456789
-        self.container_segments = 'test-container-segements'
+        self.container_segments = 'test-container-segments'
         self.container = 'test-container'
         self.workdir = '/tmp'
         self.upload = 'true'
@@ -496,19 +617,33 @@ class BackupOpt1:
         self.always_backup_level = '20'
         self.remove_older_than = '20'
         self.restart_always_backup = 100000
-        self.container_segments = 'testcontainerseg'
         self.remote_match_backup = [
             'test-hostname_test-backup-name_1234567_0',
-            'test-hostname_test-backup-name_1234567_1',
+            'test-hostname_test-backup-name_aaaaa__a',
-            'test-hostname_test-backup-name_1234567_2']
+            'test-hostname_test-backup-name_9999999999999999999999999999999_0',
+            'test-hostname_test-backup-name_1234568_1',
+            'test-hostname_test-backup-name_1234569_2',
+            'tar_meta_test-hostname_test-backup-name_1234569_2',
+            'tar_meta_test-hostname_test-backup-name_1234568_1',
+            'tar_meta_test-hostname_test-backup-name_1234567_0']
         self.remote_obj_list = [
-            {'name' : 'test-hostname_test-backup-name_1234567_0'},
+            {'name': 'test-hostname_test-backup-name_1234567_0',
-            {'name' : 'test-hostname_test-backup-name_1234567_1'},
+                'last_modified': 'testdate'},
-            {'name' : 'test-hostname_test-backup-name_1234567_2'},
+            {'name': 'test-hostname_test-backup-name_1234567_1',
-            {'fakename' : 'test-hostname_test-backup-name_1234567_2'},
+                'last_modified': 'testdate'},
-            {'name' : 'test-hostname-test-backup-name-asdfa-asdfasdf'}]
+            {'name': 'test-hostname_test-backup-name_1234567_2',
+                'last_modified': 'testdate'},
+            #{'name': 'test-hostname_test-backup-name_1234567_2',
+            #    'last_modified': 'testdate'},
+            {'name': 'test-hostname-test-backup-name-asdfa-asdfasdf',
+                'last_modified': 'testdate'}]
         self.remote_objects = []
         self.restore_abs_path = '/tmp'
+        self.containers_list = [
+            {'name' : 'testcontainer1', 'bytes' : 123423, 'count' : 10}
+        ]
+        self.list_container = True
+        self.list_objects = True
 
 
 class FakeMySQLdb:
@@ -682,7 +817,6 @@ class Fake_get_vol_fs_type:
     def __init__(self):
         return None
 
-
     @classmethod
     def get_vol_fs_type1(self, opt1=True):
         return 'xfs'

tests/test_swift.py

@@ -0,0 +1,287 @@
+"""Freezer swift.py related tests
+
+Copyright 2014 Hewlett-Packard
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+This product includes cryptographic software written by Eric Young
+(eay@cryptsoft.com). This product includes software written by Tim
+Hudson (tjh@cryptsoft.com).
+========================================================================
+
+"""
+
+from commons import *
+from freezer.swift import (create_containers, show_containers,
+    show_objects, remove_obj_older_than, get_container_content,
+    check_container_existance, get_swift_os_env,
+    get_client, manifest_upload, add_object, get_containers_list,
+    object_to_file, object_to_stream)
+import os
+import logging
+import subprocess
+import pytest
+import time
+
+
+class TestSwift:
+
+    def test_create_containers(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert create_containers(backup_opt) is True
+
+    def test_show_containers(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert show_containers(backup_opt) is True
+
+        backup_opt.__dict__['list_container'] = False
+        assert show_containers(backup_opt) is False
+
+    def test_show_objects(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert show_objects(backup_opt) is True
+
+        backup_opt.__dict__['remote_obj_list'] = None
+        pytest.raises(Exception, show_objects, backup_opt)
+
+        backup_opt.__dict__['list_objects'] = False
+        assert show_objects(backup_opt) is False
+
+    def test_remove_obj_older_than(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+        fakeclient = FakeSwiftClient1()
+        fakeconnector = fakeclient.client()
+        fakeswclient = fakeconnector.Connection()
+        backup_opt.sw_connector = fakeswclient
+        faketime = FakeTime()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+        monkeypatch.setattr(time, 'sleep', faketime.sleep)
+
+        pytest.raises(Exception, remove_obj_older_than, backup_opt)
+
+        backup_opt.__dict__['remove_older_than'] = False
+        assert remove_obj_older_than(backup_opt) is False
+
+        backup_opt = BackupOpt1()
+        assert remove_obj_older_than(backup_opt) is None
+
+    def test_get_container_content(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert get_container_content(backup_opt) is not False
+        assert get_container_content(backup_opt) is not None
+
+        backup_opt = BackupOpt1()
+        backup_opt.container = False
+        pytest.raises(Exception, get_container_content, backup_opt)
+
+        fakeclient = FakeSwiftClient1()
+        fakeconnector = fakeclient.client()
+        fakeswclient = fakeconnector.Connection()
+        backup_opt = BackupOpt1()
+        backup_opt.sw_connector = fakeswclient
+        pytest.raises(Exception, get_container_content, backup_opt)
+
+    def test_check_container_existance(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert type(check_container_existance(backup_opt)) is dict
+
+        backup_opt = BackupOpt1()
+        backup_opt.container_segments = None
+        pytest.raises(Exception, check_container_existance, backup_opt)
+
+        backup_opt = BackupOpt1()
+        backup_opt.container = 'test-abcd'
+        backup_opt.container_segments = 'test-abcd-segments'
+        assert type(check_container_existance(backup_opt)) is dict
+
+    def test_get_client(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert isinstance(get_client(backup_opt), BackupOpt1) is True
+
+    def test_manifest_upload(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        manifest_file = 'test-manifest-file'
+        file_prefix = '000000'
+        manifest_meta_dict = {'x-object-manifest': 'test-x-object'}
+
+        assert manifest_upload(
+            manifest_file, backup_opt,
+            file_prefix, manifest_meta_dict) is None
+
+        manifest_meta_dict = {}
+        pytest.raises(
+            Exception, manifest_upload, manifest_file, backup_opt,
+            file_prefix, manifest_meta_dict)
+
+    def test_add_object(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+        fakemultiprocessing = FakeMultiProcessing()
+        backup_queue = fakemultiprocessing.Queue()
+
+        time_stamp = int(time.time())
+        faketime = FakeTime()
+        monkeypatch.setattr(time, 'sleep', faketime.sleep)
+        absolute_file_path = '/tmp/test-abs-file-path'
+
+        backup_opt = BackupOpt1()
+        backup_opt.container = None
+
+        pytest.raises(Exception, add_object, backup_opt, backup_queue,
+                      absolute_file_path, time_stamp)
+
+        fakeclient = FakeSwiftClient1()
+        fakeconnector = fakeclient.client()
+        fakeswclient = fakeconnector.Connection()
+        backup_opt = BackupOpt1()
+        backup_opt.sw_connector = fakeswclient
+        pytest.raises(Exception, add_object, backup_opt, backup_queue,
+                      absolute_file_path, time_stamp)
+
+        backup_opt = BackupOpt1()
+        absolute_file_path = None
+        backup_queue = None
+        pytest.raises(Exception, add_object, backup_opt, backup_queue,
+                      absolute_file_path, time_stamp)
+
+    def test_get_containers_list(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        assert isinstance(get_containers_list(backup_opt), BackupOpt1) is True
+
+        fakeclient = FakeSwiftClient1()
+        fakeconnector = fakeclient.client()
+        fakeswclient = fakeconnector.Connection()
+        backup_opt = BackupOpt1()
+        backup_opt.sw_connector = fakeswclient
+
+        pytest.raises(Exception, get_containers_list, backup_opt)
+
+    def test_object_to_file(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+
+        file_name_abs_path = '/tmp/test-abs-file-path'
+        assert object_to_file(backup_opt, file_name_abs_path) is True
+
+        backup_opt = BackupOpt1()
+        backup_opt.container = None
+        pytest.raises(Exception, object_to_file, backup_opt, file_name_abs_path)
+
+        os.unlink(file_name_abs_path)
+
+    def test_object_to_stream(self, monkeypatch):
+
+        backup_opt = BackupOpt1()
+        fakelogging = FakeLogging()
+        fakeclient = FakeSwiftClient()
+        fakeconnector = fakeclient.client
+
+        monkeypatch.setattr(logging, 'critical', fakelogging.critical)
+        monkeypatch.setattr(logging, 'warning', fakelogging.warning)
+        monkeypatch.setattr(logging, 'exception', fakelogging.exception)
+        monkeypatch.setattr(logging, 'error', fakelogging.error)
+        monkeypatch.setattr(swiftclient, 'client', fakeconnector)
+
+        obj_name = 'test-obj-name'
+        fakemultiprocessing = FakeMultiProcessing1()
+        backup_pipe_read = backup_pipe_write = fakemultiprocessing.Pipe()
+
+        backup_opt.container = None
+        pytest.raises(Exception, object_to_stream,
+            backup_opt, backup_pipe_write, backup_pipe_read, obj_name)
+
+        backup_opt = BackupOpt1()
+        assert object_to_stream(
+            backup_opt, backup_pipe_write, backup_pipe_read, obj_name) is None

tox.ini

@@ -17,7 +17,7 @@ commands = python runtests.py -v -n 2 --cov-report term-missing --cov freezer
 
 [pytest]
 python_files = test_*.py
-norecursedirs  = .tox
+norecursedirs  = .tox .venv
 
 [testenv:pep8]
 commands = flake8 freezer