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openlp/tests/functional/openlp_core_utils/test_utils.py

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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2015 OpenLP Developers #
# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
Functional tests to test the AppLocation class and related methods.
"""
import os
from unittest import TestCase
from openlp.core.utils import clean_filename, get_filesystem_encoding, get_locale_key, \
get_natural_key, split_filename, _get_user_agent, get_web_page, get_uno_instance, add_actions
from tests.functional import MagicMock, patch
class TestUtils(TestCase):
"""
A test suite to test out various methods around the AppLocation class.
"""
def add_actions_empty_list_test(self):
"""
Test that no actions are added when the list is empty
"""
# GIVEN: a mocked action list, and an empty list
mocked_target = MagicMock()
empty_list = []
# WHEN: The empty list is added to the mocked target
add_actions(mocked_target, empty_list)
# THEN: The add method on the mocked target is never called
self.assertEqual(0, mocked_target.addSeparator.call_count, 'addSeparator method should not have been called')
self.assertEqual(0, mocked_target.addAction.call_count, 'addAction method should not have been called')
def add_actions_none_action_test(self):
"""
Test that a separator is added when a None action is in the list
"""
# GIVEN: a mocked action list, and a list with None in it
mocked_target = MagicMock()
separator_list = [None]
# WHEN: The list is added to the mocked target
add_actions(mocked_target, separator_list)
# THEN: The addSeparator method is called, but the addAction method is never called
mocked_target.addSeparator.assert_called_with()
self.assertEqual(0, mocked_target.addAction.call_count, 'addAction method should not have been called')
def add_actions_add_action_test(self):
"""
Test that an action is added when a valid action is in the list
"""
# GIVEN: a mocked action list, and a list with an action in it
mocked_target = MagicMock()
action_list = ['action']
# WHEN: The list is added to the mocked target
add_actions(mocked_target, action_list)
# THEN: The addSeparator method is not called, and the addAction method is called
self.assertEqual(0, mocked_target.addSeparator.call_count, 'addSeparator method should not have been called')
mocked_target.addAction.assert_called_with('action')
def add_actions_action_and_none_test(self):
"""
Test that an action and a separator are added when a valid action and None are in the list
"""
# GIVEN: a mocked action list, and a list with an action and None in it
mocked_target = MagicMock()
action_list = ['action', None]
# WHEN: The list is added to the mocked target
add_actions(mocked_target, action_list)
# THEN: The addSeparator method is called, and the addAction method is called
mocked_target.addSeparator.assert_called_with()
mocked_target.addAction.assert_called_with('action')
def get_filesystem_encoding_sys_function_not_called_test(self):
"""
Test the get_filesystem_encoding() function does not call the sys.getdefaultencoding() function
"""
# GIVEN: sys.getfilesystemencoding returns "cp1252"
with patch('openlp.core.utils.sys.getfilesystemencoding') as mocked_getfilesystemencoding, \
patch('openlp.core.utils.sys.getdefaultencoding') as mocked_getdefaultencoding:
mocked_getfilesystemencoding.return_value = 'cp1252'
# WHEN: get_filesystem_encoding() is called
result = get_filesystem_encoding()
# THEN: getdefaultencoding should have been called
mocked_getfilesystemencoding.assert_called_with()
self.assertEqual(0, mocked_getdefaultencoding.called, 'getdefaultencoding should not have been called')
self.assertEqual('cp1252', result, 'The result should be "cp1252"')
def get_filesystem_encoding_sys_function_is_called_test(self):
"""
Test the get_filesystem_encoding() function calls the sys.getdefaultencoding() function
"""
# GIVEN: sys.getfilesystemencoding returns None and sys.getdefaultencoding returns "utf-8"
with patch('openlp.core.utils.sys.getfilesystemencoding') as mocked_getfilesystemencoding, \
patch('openlp.core.utils.sys.getdefaultencoding') as mocked_getdefaultencoding:
mocked_getfilesystemencoding.return_value = None
mocked_getdefaultencoding.return_value = 'utf-8'
# WHEN: get_filesystem_encoding() is called
result = get_filesystem_encoding()
# THEN: getdefaultencoding should have been called
mocked_getfilesystemencoding.assert_called_with()
mocked_getdefaultencoding.assert_called_with()
self.assertEqual('utf-8', result, 'The result should be "utf-8"')
def split_filename_with_file_path_test(self):
"""
Test the split_filename() function with a path to a file
"""
# GIVEN: A path to a file.
if os.name == 'nt':
file_path = 'C:\\home\\user\\myfile.txt'
wanted_result = ('C:\\home\\user', 'myfile.txt')
else:
file_path = '/home/user/myfile.txt'
wanted_result = ('/home/user', 'myfile.txt')
with patch('openlp.core.utils.os.path.isfile') as mocked_is_file:
mocked_is_file.return_value = True
# WHEN: Split the file name.
result = split_filename(file_path)
# THEN: A tuple should be returned.
self.assertEqual(wanted_result, result, 'A tuple with the dir and file name should have been returned')
def split_filename_with_dir_path_test(self):
"""
Test the split_filename() function with a path to a directory
"""
# GIVEN: A path to a dir.
if os.name == 'nt':
file_path = 'C:\\home\\user\\mydir'
wanted_result = ('C:\\home\\user\\mydir', '')
else:
file_path = '/home/user/mydir'
wanted_result = ('/home/user/mydir', '')
with patch('openlp.core.utils.os.path.isfile') as mocked_is_file:
mocked_is_file.return_value = False
# WHEN: Split the file name.
result = split_filename(file_path)
# THEN: A tuple should be returned.
self.assertEqual(wanted_result, result,
'A two-entry tuple with the directory and file name (empty) should have been returned.')
def clean_filename_test(self):
"""
Test the clean_filename() function
"""
# GIVEN: A invalid file name and the valid file name.
invalid_name = 'A_file_with_invalid_characters_[\\/:\*\?"<>\|\+\[\]%].py'
wanted_name = 'A_file_with_invalid_characters______________________.py'
# WHEN: Clean the name.
result = clean_filename(invalid_name)
# THEN: The file name should be cleaned.
self.assertEqual(wanted_name, result, 'The file name should not contain any special characters.')
def get_locale_key_test(self):
"""
Test the get_locale_key(string) function
"""
with patch('openlp.core.utils.languagemanager.LanguageManager.get_language') as mocked_get_language:
# GIVEN: The language is German
# 0x00C3 (A with diaresis) should be sorted as "A". 0x00DF (sharp s) should be sorted as "ss".
mocked_get_language.return_value = 'de'
unsorted_list = ['Auszug', 'Aushang', '\u00C4u\u00DFerung']
# WHEN: We sort the list and use get_locale_key() to generate the sorting keys
sorted_list = sorted(unsorted_list, key=get_locale_key)
# THEN: We get a properly sorted list
self.assertEqual(['Aushang', '\u00C4u\u00DFerung', 'Auszug'], sorted_list,
'Strings should be sorted properly')
def get_natural_key_test(self):
"""
Test the get_natural_key(string) function
"""
with patch('openlp.core.utils.languagemanager.LanguageManager.get_language') as mocked_get_language:
# GIVEN: The language is English (a language, which sorts digits before letters)
mocked_get_language.return_value = 'en'
unsorted_list = ['item 10a', 'item 3b', '1st item']
# WHEN: We sort the list and use get_natural_key() to generate the sorting keys
sorted_list = sorted(unsorted_list, key=get_natural_key)
# THEN: We get a properly sorted list
self.assertEqual(['1st item', 'item 3b', 'item 10a'], sorted_list, 'Numbers should be sorted naturally')
def get_uno_instance_pipe_test(self):
"""
Test that when the UNO connection type is "pipe" the resolver is given the "pipe" URI
"""
# GIVEN: A mock resolver object and UNO_CONNECTION_TYPE is "pipe"
mock_resolver = MagicMock()
# WHEN: get_uno_instance() is called
get_uno_instance(mock_resolver)
# THEN: the resolve method is called with the correct argument
mock_resolver.resolve.assert_called_with('uno:pipe,name=openlp_pipe;urp;StarOffice.ComponentContext')
def get_uno_instance_socket_test(self):
"""
Test that when the UNO connection type is other than "pipe" the resolver is given the "socket" URI
"""
# GIVEN: A mock resolver object and UNO_CONNECTION_TYPE is "socket"
mock_resolver = MagicMock()
# WHEN: get_uno_instance() is called
get_uno_instance(mock_resolver, 'socket')
# THEN: the resolve method is called with the correct argument
mock_resolver.resolve.assert_called_with('uno:socket,host=localhost,port=2002;urp;StarOffice.ComponentContext')
def get_user_agent_linux_test(self):
"""
Test that getting a user agent on Linux returns a user agent suitable for Linux
"""
with patch('openlp.core.utils.sys') as mocked_sys:
# GIVEN: The system is Linux
mocked_sys.platform = 'linux2'
# WHEN: We call _get_user_agent()
user_agent = _get_user_agent()
# THEN: The user agent is a Linux (or ChromeOS) user agent
result = 'Linux' in user_agent or 'CrOS' in user_agent
self.assertTrue(result, 'The user agent should be a valid Linux user agent')
def get_user_agent_windows_test(self):
"""
Test that getting a user agent on Windows returns a user agent suitable for Windows
"""
with patch('openlp.core.utils.sys') as mocked_sys:
# GIVEN: The system is Linux
mocked_sys.platform = 'win32'
# WHEN: We call _get_user_agent()
user_agent = _get_user_agent()
# THEN: The user agent is a Linux (or ChromeOS) user agent
self.assertIn('Windows', user_agent, 'The user agent should be a valid Windows user agent')
def get_user_agent_macos_test(self):
"""
Test that getting a user agent on OS X returns a user agent suitable for OS X
"""
with patch('openlp.core.utils.sys') as mocked_sys:
# GIVEN: The system is Linux
mocked_sys.platform = 'darwin'
# WHEN: We call _get_user_agent()
user_agent = _get_user_agent()
# THEN: The user agent is a Linux (or ChromeOS) user agent
self.assertIn('Mac OS X', user_agent, 'The user agent should be a valid OS X user agent')
def get_user_agent_default_test(self):
"""
Test that getting a user agent on a non-Linux/Windows/OS X platform returns the default user agent
"""
with patch('openlp.core.utils.sys') as mocked_sys:
# GIVEN: The system is Linux
mocked_sys.platform = 'freebsd'
# WHEN: We call _get_user_agent()
user_agent = _get_user_agent()
# THEN: The user agent is a Linux (or ChromeOS) user agent
self.assertIn('NetBSD', user_agent, 'The user agent should be the default user agent')
def get_web_page_no_url_test(self):
"""
Test that sending a URL of None to the get_web_page method returns None
"""
# GIVEN: A None url
test_url = None
# WHEN: We try to get the test URL
result = get_web_page(test_url)
# THEN: None should be returned
self.assertIsNone(result, 'The return value of get_web_page should be None')
def get_web_page_test(self):
"""
Test that the get_web_page method works correctly
"""
with patch('openlp.core.utils.urllib.request.Request') as MockRequest, \
patch('openlp.core.utils.urllib.request.urlopen') as mock_urlopen, \
patch('openlp.core.utils._get_user_agent') as mock_get_user_agent, \
patch('openlp.core.utils.Registry') as MockRegistry:
# GIVEN: Mocked out objects and a fake URL
mocked_request_object = MagicMock()
MockRequest.return_value = mocked_request_object
mocked_page_object = MagicMock()
mock_urlopen.return_value = mocked_page_object
mock_get_user_agent.return_value = 'user_agent'
fake_url = 'this://is.a.fake/url'
# WHEN: The get_web_page() method is called
returned_page = get_web_page(fake_url)
# THEN: The correct methods are called with the correct arguments and a web page is returned
MockRequest.assert_called_with(fake_url)
mocked_request_object.add_header.assert_called_with('User-Agent', 'user_agent')
self.assertEqual(1, mocked_request_object.add_header.call_count,
'There should only be 1 call to add_header')
mock_get_user_agent.assert_called_with()
mock_urlopen.assert_called_with(mocked_request_object, timeout=30)
mocked_page_object.geturl.assert_called_with()
self.assertEqual(0, MockRegistry.call_count, 'The Registry() object should have never been called')
self.assertEqual(mocked_page_object, returned_page, 'The returned page should be the mock object')
def get_web_page_with_header_test(self):
"""
Test that adding a header to the call to get_web_page() adds the header to the request
"""
with patch('openlp.core.utils.urllib.request.Request') as MockRequest, \
patch('openlp.core.utils.urllib.request.urlopen') as mock_urlopen, \
patch('openlp.core.utils._get_user_agent') as mock_get_user_agent:
# GIVEN: Mocked out objects, a fake URL and a fake header
mocked_request_object = MagicMock()
MockRequest.return_value = mocked_request_object
mocked_page_object = MagicMock()
mock_urlopen.return_value = mocked_page_object
mock_get_user_agent.return_value = 'user_agent'
fake_url = 'this://is.a.fake/url'
fake_header = ('Fake-Header', 'fake value')
# WHEN: The get_web_page() method is called
returned_page = get_web_page(fake_url, header=fake_header)
# THEN: The correct methods are called with the correct arguments and a web page is returned
MockRequest.assert_called_with(fake_url)
mocked_request_object.add_header.assert_called_with(fake_header[0], fake_header[1])
self.assertEqual(2, mocked_request_object.add_header.call_count,
'There should only be 2 calls to add_header')
mock_get_user_agent.assert_called_with()
mock_urlopen.assert_called_with(mocked_request_object, timeout=30)
mocked_page_object.geturl.assert_called_with()
self.assertEqual(mocked_page_object, returned_page, 'The returned page should be the mock object')
def get_web_page_with_user_agent_in_headers_test(self):
"""
Test that adding a user agent in the header when calling get_web_page() adds that user agent to the request
"""
with patch('openlp.core.utils.urllib.request.Request') as MockRequest, \
patch('openlp.core.utils.urllib.request.urlopen') as mock_urlopen, \
patch('openlp.core.utils._get_user_agent') as mock_get_user_agent:
# GIVEN: Mocked out objects, a fake URL and a fake header
mocked_request_object = MagicMock()
MockRequest.return_value = mocked_request_object
mocked_page_object = MagicMock()
mock_urlopen.return_value = mocked_page_object
fake_url = 'this://is.a.fake/url'
user_agent_header = ('User-Agent', 'OpenLP/2.2.0')
# WHEN: The get_web_page() method is called
returned_page = get_web_page(fake_url, header=user_agent_header)
# THEN: The correct methods are called with the correct arguments and a web page is returned
MockRequest.assert_called_with(fake_url)
mocked_request_object.add_header.assert_called_with(user_agent_header[0], user_agent_header[1])
self.assertEqual(1, mocked_request_object.add_header.call_count,
'There should only be 1 call to add_header')
self.assertEqual(0, mock_get_user_agent.call_count, '_get_user_agent should not have been called')
mock_urlopen.assert_called_with(mocked_request_object, timeout=30)
mocked_page_object.geturl.assert_called_with()
self.assertEqual(mocked_page_object, returned_page, 'The returned page should be the mock object')
def get_web_page_update_openlp_test(self):
"""
Test that passing "update_openlp" as true to get_web_page calls Registry().get('app').process_events()
"""
with patch('openlp.core.utils.urllib.request.Request') as MockRequest, \
patch('openlp.core.utils.urllib.request.urlopen') as mock_urlopen, \
patch('openlp.core.utils._get_user_agent') as mock_get_user_agent, \
patch('openlp.core.utils.Registry') as MockRegistry:
# GIVEN: Mocked out objects, a fake URL
mocked_request_object = MagicMock()
MockRequest.return_value = mocked_request_object
mocked_page_object = MagicMock()
mock_urlopen.return_value = mocked_page_object
mock_get_user_agent.return_value = 'user_agent'
mocked_registry_object = MagicMock()
mocked_application_object = MagicMock()
mocked_registry_object.get.return_value = mocked_application_object
MockRegistry.return_value = mocked_registry_object
fake_url = 'this://is.a.fake/url'
# WHEN: The get_web_page() method is called
returned_page = get_web_page(fake_url, update_openlp=True)
# THEN: The correct methods are called with the correct arguments and a web page is returned
MockRequest.assert_called_with(fake_url)
mocked_request_object.add_header.assert_called_with('User-Agent', 'user_agent')
self.assertEqual(1, mocked_request_object.add_header.call_count,
'There should only be 1 call to add_header')
mock_urlopen.assert_called_with(mocked_request_object, timeout=30)
mocked_page_object.geturl.assert_called_with()
mocked_registry_object.get.assert_called_with('application')
mocked_application_object.process_events.assert_called_with()
self.assertEqual(mocked_page_object, returned_page, 'The returned page should be the mock object')
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