# coding=utf-8
+import copy
import datetime
+import itertools
+import json
+import pytz
+import six
import shutil
+import sys
import tempfile
import unittest
-from .task import TaskWarrior, Task
+from .task import TaskWarrior, Task, ReadOnlyDictView, local_zone, DATE_FORMAT
+
+# http://taskwarrior.org/docs/design/task.html , Section: The Attributes
+TASK_STANDARD_ATTRS = (
+ 'status',
+ 'uuid',
+ 'entry',
+ 'description',
+ 'start',
+ 'end',
+ 'due',
+ 'until',
+ 'wait',
+ 'modified',
+ 'scheduled',
+ 'recur',
+ 'mask',
+ 'imask',
+ 'parent',
+ 'project',
+ 'priority',
+ 'depends',
+ 'tags',
+ 'annotations',
+)
+
+total_seconds_2_6 = lambda x: x.microseconds / 1e6 + x.seconds + x.days * 24 * 3600
class TasklibTest(unittest.TestCase):
def setUp(self):
self.tmp = tempfile.mkdtemp(dir='.')
- self.tw = TaskWarrior(data_location=self.tmp)
+ self.tw = TaskWarrior(data_location=self.tmp, taskrc_location='/')
def tearDown(self):
shutil.rmtree(self.tmp)
filtered_task = self.tw.tasks.get(project="random")
self.assertEqual(filtered_task['project'], "random")
+ def test_filter_with_empty_uuid(self):
+ self.assertRaises(ValueError, lambda: self.tw.tasks.get(uuid=''))
+
+ def test_filter_dummy_by_status(self):
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(status=t['status'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_uuid(self):
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(uuid=t['uuid'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_entry(self):
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(entry=t['entry'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_description(self):
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(description=t['description'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_start(self):
+ t = Task(self.tw, description="test")
+ t.save()
+ t.start()
+
+ tasks = self.tw.tasks.filter(start=t['start'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_end(self):
+ t = Task(self.tw, description="test")
+ t.save()
+ t.done()
+
+ tasks = self.tw.tasks.filter(end=t['end'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_due(self):
+ t = Task(self.tw, description="test", due=datetime.datetime.now())
+ t.save()
+
+ tasks = self.tw.tasks.filter(due=t['due'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_until(self):
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(until=t['until'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_modified(self):
+ # Older TW version does not support bumping modified
+ # on save
+ if self.tw.version < six.text_type('2.2.0'):
+ # Python2.6 does not support SkipTest. As a workaround
+ # mark the test as passed by exiting.
+ if getattr(unittest, 'SkipTest', None) is not None:
+ raise unittest.SkipTest()
+ else:
+ return
+
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(modified=t['modified'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_scheduled(self):
+ t = Task(self.tw, description="test")
+ t.save()
+
+ tasks = self.tw.tasks.filter(scheduled=t['scheduled'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_tags(self):
+ t = Task(self.tw, description="test", tags=["home"])
+ t.save()
+
+ tasks = self.tw.tasks.filter(tags=t['tags'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_dummy_by_projects(self):
+ t = Task(self.tw, description="test", project="random")
+ t.save()
+
+ tasks = self.tw.tasks.filter(project=t['project'])
+ self.assertEqual(list(tasks), [t])
+
+ def test_filter_by_priority(self):
+ t = Task(self.tw, description="test", priority="H")
+ t.save()
+
+ tasks = self.tw.tasks.filter(priority=t['priority'])
+ self.assertEqual(list(tasks), [t])
+
class TaskTest(TasklibTest):
t = Task(self.tw, description="test task")
self.assertRaises(Task.NotSaved, t.refresh)
+ def test_start_unsaved_task(self):
+ t = Task(self.tw, description="test task")
+ self.assertRaises(Task.NotSaved, t.start)
+
def test_delete_deleted_task(self):
t = Task(self.tw, description="test task")
t.save()
self.assertRaises(Task.CompletedTask, t.done)
+ def test_start_completed_task(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.done()
+
+ self.assertRaises(Task.CompletedTask, t.start)
+
def test_complete_deleted_task(self):
t = Task(self.tw, description="test task")
t.save()
self.assertRaises(Task.DeletedTask, t.done)
+ def test_starting_task(self):
+ t = Task(self.tw, description="test task")
+ now = t.datetime_normalizer(datetime.datetime.now())
+ t.save()
+ t.start()
+
+ self.assertTrue(now.replace(microsecond=0) <= t['start'])
+ self.assertEqual(t['status'], 'pending')
+
+ def test_completing_task(self):
+ t = Task(self.tw, description="test task")
+ now = t.datetime_normalizer(datetime.datetime.now())
+ t.save()
+ t.done()
+
+ self.assertTrue(now.replace(microsecond=0) <= t['end'])
+ self.assertEqual(t['status'], 'completed')
+
+ def test_deleting_task(self):
+ t = Task(self.tw, description="test task")
+ now = t.datetime_normalizer(datetime.datetime.now())
+ t.save()
+ t.delete()
+
+ self.assertTrue(now.replace(microsecond=0) <= t['end'])
+ self.assertEqual(t['status'], 'deleted')
+
+ def test_started_task_active(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.start()
+ self.assertTrue(t.active)
+
+ def test_unstarted_task_inactive(self):
+ t = Task(self.tw, description="test task")
+ self.assertFalse(t.active)
+ t.save()
+ self.assertFalse(t.active)
+
+ def test_stop_completed_task(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.start()
+ t.done()
+
+ self.assertRaises(Task.InactiveTask, t.stop)
+
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.done()
+
+ self.assertRaises(Task.InactiveTask, t.stop)
+
+ def test_stop_deleted_task(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.start()
+ t.delete()
+ t.stop()
+
+ def test_stop_inactive_task(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+
+ self.assertRaises(Task.InactiveTask, t.stop)
+
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.start()
+ t.stop()
+
+ self.assertRaises(Task.InactiveTask, t.stop)
+
+ def test_stopping_task(self):
+ t = Task(self.tw, description="test task")
+ now = t.datetime_normalizer(datetime.datetime.now())
+ t.save()
+ t.start()
+ t.stop()
+
+ self.assertEqual(t['end'], None)
+ self.assertEqual(t['status'], 'pending')
+ self.assertFalse(t.active)
+
def test_modify_simple_attribute_without_space(self):
t = Task(self.tw, description="test")
t.save()
# We only save the parent task, dependency task is unsaved
t.save()
+ t['depends'] = set([dependency])
- self.assertRaises(Task.NotSaved,
- t.__setitem__, 'depends', set([dependency]))
+ self.assertRaises(Task.NotSaved, t.save)
def test_set_simple_dependency_set(self):
# Adds only one dependency to task with no dependencies
t['depends'] = set([dependency1, dependency2])
t.save()
- t['depends'] = t['depends'] - set([dependency2])
+ t['depends'].remove(dependency2)
t.save()
self.assertEqual(t['depends'], set([dependency1]))
t['depends'] = set([dependency1])
t.save()
- t['depends'] = t['depends'] | set([dependency2])
+ t['depends'].add(dependency2)
t.save()
self.assertEqual(t['depends'], set([dependency1, dependency2]))
+ def test_add_to_empty_dependency_set(self):
+ # Adds dependency to task with one dependencies
+ t = Task(self.tw, description="test task")
+ dependency = Task(self.tw, description="needs to be done first")
+
+ dependency.save()
+
+ t['depends'].add(dependency)
+ t.save()
+
+ self.assertEqual(t['depends'], set([dependency]))
+
def test_simple_dependency_set_save_repeatedly(self):
# Adds only one dependency to task with no dependencies
t = Task(self.tw, description="test task")
t['depends'] = set([dependency])
self.assertEqual(set(t._modified_fields), set())
+ def test_modified_fields_not_affected_by_reading(self):
+ t = Task(self.tw)
+
+ for field in TASK_STANDARD_ATTRS:
+ value = t[field]
+
+ self.assertEqual(set(t._modified_fields), set())
+
def test_setting_read_only_attrs_through_init(self):
# Test that we are unable to set readonly attrs through __init__
for readonly_key in Task.read_only_fields:
self.assertRaises(RuntimeError,
lambda: t.__setitem__(readonly_key, 'value'))
+ def test_saving_unmodified_task(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.save()
+
+ def test_adding_tag_by_appending(self):
+ t = Task(self.tw, description="test task", tags=['test1'])
+ t.save()
+ t['tags'].append('test2')
+ t.save()
+ self.assertEqual(t['tags'], ['test1', 'test2'])
+
+ def test_adding_tag_by_appending_empty(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t['tags'].append('test')
+ t.save()
+ self.assertEqual(t['tags'], ['test'])
+
+ def test_serializers_returning_empty_string_for_none(self):
+ # Test that any serializer returns '' when passed None
+ t = Task(self.tw)
+ serializers = [getattr(t, serializer_name) for serializer_name in
+ filter(lambda x: x.startswith('serialize_'), dir(t))]
+ for serializer in serializers:
+ self.assertEqual(serializer(None), '')
+
+ def test_deserializer_returning_empty_value_for_empty_string(self):
+ # Test that any deserializer returns empty value when passed ''
+ t = Task(self.tw)
+ deserializers = [getattr(t, deserializer_name) for deserializer_name in
+ filter(lambda x: x.startswith('deserialize_'), dir(t))]
+ for deserializer in deserializers:
+ self.assertTrue(deserializer('') in (None, [], set()))
+
+ def test_normalizers_handling_none(self):
+ # Test that any normalizer can handle None as a valid value
+ t = Task(self.tw)
+
+ for key in TASK_STANDARD_ATTRS:
+ t._normalize(key, None)
+
+ def test_recurrent_task_generation(self):
+ today = datetime.date.today()
+ t = Task(self.tw, description="brush teeth",
+ due=today, recur="daily")
+ t.save()
+ self.assertEqual(len(self.tw.tasks.pending()), 2)
+
+ def test_modify_number_of_tasks_at_once(self):
+ for i in range(1, 100):
+ Task(self.tw, description="test task %d" % i, tags=['test']).save()
+
+ self.tw.execute_command(['+test', 'mod', 'unified', 'description'])
+
+ def test_return_all_from_executed_command(self):
+ Task(self.tw, description="test task", tags=['test']).save()
+ out, err, rc = self.tw.execute_command(['count'], return_all=True)
+ self.assertEqual(rc, 0)
+
+ def test_return_all_from_failed_executed_command(self):
+ Task(self.tw, description="test task", tags=['test']).save()
+ out, err, rc = self.tw.execute_command(['countinvalid'],
+ return_all=True, allow_failure=False)
+ self.assertNotEqual(rc, 0)
+
+
+class TaskFromHookTest(TasklibTest):
+
+ input_add_data = six.StringIO(
+ '{"description":"Buy some milk",'
+ '"entry":"20141118T050231Z",'
+ '"status":"pending",'
+ '"start":"20141119T152233Z",'
+ '"uuid":"a360fc44-315c-4366-b70c-ea7e7520b749"}')
+
+ input_modify_data = six.StringIO(input_add_data.getvalue() + '\n' +
+ '{"description":"Buy some milk finally",'
+ '"entry":"20141118T050231Z",'
+ '"status":"completed",'
+ '"uuid":"a360fc44-315c-4366-b70c-ea7e7520b749"}')
+
+ exported_raw_data = (
+ '{"project":"Home",'
+ '"due":"20150101T232323Z",'
+ '"description":"test task"}')
+
+ def test_setting_up_from_add_hook_input(self):
+ t = Task.from_input(input_file=self.input_add_data, warrior=self.tw)
+ self.assertEqual(t['description'], "Buy some milk")
+ self.assertEqual(t.pending, True)
+
+ def test_setting_up_from_modified_hook_input(self):
+ t = Task.from_input(input_file=self.input_modify_data, modify=True,
+ warrior=self.tw)
+ self.assertEqual(t['description'], "Buy some milk finally")
+ self.assertEqual(t.pending, False)
+ self.assertEqual(t.completed, True)
+
+ self.assertEqual(t._original_data['status'], "pending")
+ self.assertEqual(t._original_data['description'], "Buy some milk")
+ self.assertEqual(set(t._modified_fields),
+ set(['status', 'description', 'start']))
+
+ def test_export_data(self):
+ t = Task(self.tw, description="test task",
+ project="Home",
+ due=pytz.utc.localize(datetime.datetime(2015,1,1,23,23,23)))
+
+ # Check that the output is a permutation of:
+ # {"project":"Home","description":"test task","due":"20150101232323Z"}
+ allowed_segments = self.exported_raw_data[1:-1].split(',')
+ allowed_output = [
+ '{' + ','.join(segments) + '}'
+ for segments in itertools.permutations(allowed_segments)
+ ]
+
+ self.assertTrue(any(t.export_data() == expected
+ for expected in allowed_output))
+
+class TimezoneAwareDatetimeTest(TasklibTest):
+
+ def setUp(self):
+ super(TimezoneAwareDatetimeTest, self).setUp()
+ self.zone = local_zone
+ self.localdate_naive = datetime.datetime(2015,2,2)
+ self.localtime_naive = datetime.datetime(2015,2,2,0,0,0)
+ self.localtime_aware = self.zone.localize(self.localtime_naive)
+ self.utctime_aware = self.localtime_aware.astimezone(pytz.utc)
+
+ def test_timezone_naive_datetime_setitem(self):
+ t = Task(self.tw, description="test task")
+ t['due'] = self.localtime_naive
+ self.assertEqual(t['due'], self.localtime_aware)
+
+ def test_timezone_naive_datetime_using_init(self):
+ t = Task(self.tw, description="test task", due=self.localtime_naive)
+ self.assertEqual(t['due'], self.localtime_aware)
+
+ def test_filter_by_naive_datetime(self):
+ t = Task(self.tw, description="task1", due=self.localtime_naive)
+ t.save()
+ matching_tasks = self.tw.tasks.filter(due=self.localtime_naive)
+ self.assertEqual(len(matching_tasks), 1)
+
+ def test_serialize_naive_datetime(self):
+ t = Task(self.tw, description="task1", due=self.localtime_naive)
+ self.assertEqual(json.loads(t.export_data())['due'],
+ self.utctime_aware.strftime(DATE_FORMAT))
+
+ def test_timezone_naive_date_setitem(self):
+ t = Task(self.tw, description="test task")
+ t['due'] = self.localdate_naive
+ self.assertEqual(t['due'], self.localtime_aware)
+
+ def test_timezone_naive_date_using_init(self):
+ t = Task(self.tw, description="test task", due=self.localdate_naive)
+ self.assertEqual(t['due'], self.localtime_aware)
+
+ def test_filter_by_naive_date(self):
+ t = Task(self.tw, description="task1", due=self.localdate_naive)
+ t.save()
+ matching_tasks = self.tw.tasks.filter(due=self.localdate_naive)
+ self.assertEqual(len(matching_tasks), 1)
+
+ def test_serialize_naive_date(self):
+ t = Task(self.tw, description="task1", due=self.localdate_naive)
+ self.assertEqual(json.loads(t.export_data())['due'],
+ self.utctime_aware.strftime(DATE_FORMAT))
+
+ def test_timezone_aware_datetime_setitem(self):
+ t = Task(self.tw, description="test task")
+ t['due'] = self.localtime_aware
+ self.assertEqual(t['due'], self.localtime_aware)
+
+ def test_timezone_aware_datetime_using_init(self):
+ t = Task(self.tw, description="test task", due=self.localtime_aware)
+ self.assertEqual(t['due'], self.localtime_aware)
+
+ def test_filter_by_aware_datetime(self):
+ t = Task(self.tw, description="task1", due=self.localtime_aware)
+ t.save()
+ matching_tasks = self.tw.tasks.filter(due=self.localtime_aware)
+ self.assertEqual(len(matching_tasks), 1)
+
+ def test_serialize_aware_datetime(self):
+ t = Task(self.tw, description="task1", due=self.localtime_aware)
+ self.assertEqual(json.loads(t.export_data())['due'],
+ self.utctime_aware.strftime(DATE_FORMAT))
+
+class DatetimeStringTest(TasklibTest):
+
+ def test_simple_now_conversion(self):
+ if self.tw.version < six.text_type('2.4.0'):
+ # Python2.6 does not support SkipTest. As a workaround
+ # mark the test as passed by exiting.
+ if getattr(unittest, 'SkipTest', None) is not None:
+ raise unittest.SkipTest()
+ else:
+ return
+
+ t = Task(self.tw, description="test task", due="now")
+ now = local_zone.localize(datetime.datetime.now())
+
+ # Assert that both times are not more than 5 seconds apart
+ if sys.version_info < (2,7):
+ self.assertTrue(total_seconds_2_6(now - t['due']) < 5)
+ self.assertTrue(total_seconds_2_6(t['due'] - now) < 5)
+ else:
+ self.assertTrue((now - t['due']).total_seconds() < 5)
+ self.assertTrue((t['due'] - now).total_seconds() < 5)
+
+ def test_simple_eoy_conversion(self):
+ if self.tw.version < six.text_type('2.4.0'):
+ # Python2.6 does not support SkipTest. As a workaround
+ # mark the test as passed by exiting.
+ if getattr(unittest, 'SkipTest', None) is not None:
+ raise unittest.SkipTest()
+ else:
+ return
+
+ t = Task(self.tw, description="test task", due="eoy")
+ now = local_zone.localize(datetime.datetime.now())
+ eoy = local_zone.localize(datetime.datetime(
+ year=now.year,
+ month=12,
+ day=31,
+ hour=23,
+ minute=59,
+ second=59
+ ))
+ self.assertEqual(eoy, t['due'])
+
+ def test_complex_eoy_conversion(self):
+ if self.tw.version < six.text_type('2.4.0'):
+ # Python2.6 does not support SkipTest. As a workaround
+ # mark the test as passed by exiting.
+ if getattr(unittest, 'SkipTest', None) is not None:
+ raise unittest.SkipTest()
+ else:
+ return
+
+ t = Task(self.tw, description="test task", due="eoy - 4 months")
+ now = local_zone.localize(datetime.datetime.now())
+ due_date = local_zone.localize(datetime.datetime(
+ year=now.year,
+ month=12,
+ day=31,
+ hour=23,
+ minute=59,
+ second=59
+ )) - datetime.timedelta(0,4 * 30 * 86400)
+ self.assertEqual(due_date, t['due'])
+
+ def test_filtering_with_string_datetime(self):
+ if self.tw.version < six.text_type('2.4.0'):
+ # Python2.6 does not support SkipTest. As a workaround
+ # mark the test as passed by exiting.
+ if getattr(unittest, 'SkipTest', None) is not None:
+ raise unittest.SkipTest()
+ else:
+ return
+
+ t = Task(self.tw, description="test task",
+ due=datetime.datetime.now() - datetime.timedelta(0,2))
+ t.save()
+ self.assertEqual(len(self.tw.tasks.filter(due__before="now")), 1)
class AnnotationTest(TasklibTest):
task.remove_annotation(ann)
self.assertEqual(len(task['annotations']), 0)
+ def test_annotation_after_modification(self):
+ task = self.tw.tasks.get()
+ task['project'] = 'test'
+ task.add_annotation('I should really do this task')
+ self.assertEqual(task['project'], 'test')
+ task.save()
+ self.assertEqual(task['project'], 'test')
+
+ def test_serialize_annotations(self):
+ # Test that serializing annotations is possible
+ t = Task(self.tw, description="test")
+ t.save()
+
+ t.add_annotation("annotation1")
+ t.add_annotation("annotation2")
+
+ data = t._serialize('annotations', t._data['annotations'])
+
+ self.assertEqual(len(data), 2)
+ self.assertEqual(type(data[0]), dict)
+ self.assertEqual(type(data[1]), dict)
+
+ self.assertEqual(data[0]['description'], "annotation1")
+ self.assertEqual(data[1]['description'], "annotation2")
+
class UnicodeTest(TasklibTest):
def test_unicode_task(self):
- Task(self.tw, description="†åßk").save()
+ Task(self.tw, description=six.u("†åßk")).save()
self.tw.tasks.get()
+ def test_filter_by_unicode_task(self):
+ Task(self.tw, description=six.u("†åßk")).save()
+ tasks = self.tw.tasks.filter(description=six.u("†åßk"))
+ self.assertEqual(len(tasks), 1)
+
def test_non_unicode_task(self):
Task(self.tw, description="test task").save()
self.tw.tasks.get()
+
+class ReadOnlyDictViewTest(unittest.TestCase):
+
+ def setUp(self):
+ self.sample = dict(l=[1,2,3], d={'k':'v'})
+ self.original_sample = copy.deepcopy(self.sample)
+ self.view = ReadOnlyDictView(self.sample)
+
+ def test_readonlydictview_getitem(self):
+ l = self.view['l']
+ self.assertEqual(l, self.sample['l'])
+
+ # Assert that modification changed only copied value
+ l.append(4)
+ self.assertNotEqual(l, self.sample['l'])
+
+ # Assert that viewed dict is not changed
+ self.assertEqual(self.sample, self.original_sample)
+
+ def test_readonlydictview_contains(self):
+ self.assertEqual('l' in self.view, 'l' in self.sample)
+ self.assertEqual('d' in self.view, 'd' in self.sample)
+ self.assertEqual('k' in self.view, 'k' in self.sample)
+
+ # Assert that viewed dict is not changed
+ self.assertEqual(self.sample, self.original_sample)
+
+ def test_readonlydictview_iter(self):
+ self.assertEqual(list(k for k in self.view),
+ list(k for k in self.sample))
+
+ # Assert the view is correct after modification
+ self.sample['new'] = 'value'
+ self.assertEqual(list(k for k in self.view),
+ list(k for k in self.sample))
+
+ def test_readonlydictview_len(self):
+ self.assertEqual(len(self.view), len(self.sample))
+
+ # Assert the view is correct after modification
+ self.sample['new'] = 'value'
+ self.assertEqual(len(self.view), len(self.sample))
+
+ def test_readonlydictview_get(self):
+ l = self.view.get('l')
+ self.assertEqual(l, self.sample.get('l'))
+
+ # Assert that modification changed only copied value
+ l.append(4)
+ self.assertNotEqual(l, self.sample.get('l'))
+
+ # Assert that viewed dict is not changed
+ self.assertEqual(self.sample, self.original_sample)
+
+ def test_readonlydict_items(self):
+ view_items = self.view.items()
+ sample_items = list(self.sample.items())
+ self.assertEqual(view_items, sample_items)
+
+ view_items.append('newkey')
+ self.assertNotEqual(view_items, sample_items)
+ self.assertEqual(self.sample, self.original_sample)
+
+ def test_readonlydict_values(self):
+ view_values = self.view.values()
+ sample_values = list(self.sample.values())
+ self.assertEqual(view_values, sample_values)
+
+ view_list_item = list(filter(lambda x: type(x) is list,
+ view_values))[0]
+ view_list_item.append(4)
+ self.assertNotEqual(view_values, sample_values)
+ self.assertEqual(self.sample, self.original_sample)