tasklib/tests.py

   1 # coding=utf-8
   2
   3 import copy
   4 import datetime
   5 import itertools
   6 import json
   7 import pytz
   8 import six
   9 import shutil
  10 import sys
  11 import tempfile
  12 import unittest
  13
  14 from .backends import TaskWarrior
  15 from .task import Task, ReadOnlyDictView, TaskQuerySet
  16 from .lazy import LazyUUIDTask, LazyUUIDTaskSet
  17 from .serializing import DATE_FORMAT, local_zone
  18
  19 # http://taskwarrior.org/docs/design/task.html , Section: The Attributes
  20 TASK_STANDARD_ATTRS = (
  21     'status',
  22     'uuid',
  23     'entry',
  24     'description',
  25     'start',
  26     'end',
  27     'due',
  28     'until',
  29     'wait',
  30     'modified',
  31     'scheduled',
  32     'recur',
  33     'mask',
  34     'imask',
  35     'parent',
  36     'project',
  37     'priority',
  38     'depends',
  39     'tags',
  40     'annotations',
  41 )
  42
  43 total_seconds_2_6 = lambda x: x.microseconds / 1e6 + x.seconds + x.days * 24 * 3600
  44
  45
  46 class TasklibTest(unittest.TestCase):
  47
  48     def setUp(self):
  49         self.tmp = tempfile.mkdtemp(dir='.')
  50         self.tw = TaskWarrior(data_location=self.tmp, taskrc_location='/')
  51
  52     def tearDown(self):
  53         shutil.rmtree(self.tmp)
  54
  55
  56 class TaskFilterTest(TasklibTest):
  57
  58     def test_all_empty(self):
  59         self.assertEqual(len(self.tw.tasks.all()), 0)
  60
  61     def test_all_non_empty(self):
  62         Task(self.tw, description="test task").save()
  63         self.assertEqual(len(self.tw.tasks.all()), 1)
  64         self.assertEqual(self.tw.tasks.all()[0]['description'], 'test task')
  65         self.assertEqual(self.tw.tasks.all()[0]['status'], 'pending')
  66
  67     def test_pending_non_empty(self):
  68         Task(self.tw, description="test task").save()
  69         self.assertEqual(len(self.tw.tasks.pending()), 1)
  70         self.assertEqual(self.tw.tasks.pending()[0]['description'],
  71                          'test task')
  72         self.assertEqual(self.tw.tasks.pending()[0]['status'], 'pending')
  73
  74     def test_completed_empty(self):
  75         Task(self.tw, description="test task").save()
  76         self.assertEqual(len(self.tw.tasks.completed()), 0)
  77
  78     def test_completed_non_empty(self):
  79         Task(self.tw, description="test task").save()
  80         self.assertEqual(len(self.tw.tasks.completed()), 0)
  81         self.tw.tasks.all()[0].done()
  82         self.assertEqual(len(self.tw.tasks.completed()), 1)
  83
  84     def test_filtering_by_attribute(self):
  85         Task(self.tw, description="no priority task").save()
  86         Task(self.tw, priority="H", description="high priority task").save()
  87         self.assertEqual(len(self.tw.tasks.all()), 2)
  88
  89         # Assert that the correct number of tasks is returned
  90         self.assertEqual(len(self.tw.tasks.filter(priority="H")), 1)
  91
  92         # Assert that the correct tasks are returned
  93         high_priority_task = self.tw.tasks.get(priority="H")
  94         self.assertEqual(high_priority_task['description'], "high priority task")
  95
  96     def test_filtering_by_empty_attribute(self):
  97         Task(self.tw, description="no priority task").save()
  98         Task(self.tw, priority="H", description="high priority task").save()
  99         self.assertEqual(len(self.tw.tasks.all()), 2)
 100
 101         # Assert that the correct number of tasks is returned
 102         self.assertEqual(len(self.tw.tasks.filter(priority=None)), 1)
 103
 104         # Assert that the correct tasks are returned
 105         no_priority_task = self.tw.tasks.get(priority=None)
 106         self.assertEqual(no_priority_task['description'], "no priority task")
 107
 108     def test_filter_for_task_with_space_in_descripition(self):
 109         task = Task(self.tw, description="test task")
 110         task.save()
 111
 112         filtered_task = self.tw.tasks.get(description="test task")
 113         self.assertEqual(filtered_task['description'], "test task")
 114
 115     def test_filter_for_task_without_space_in_descripition(self):
 116         task = Task(self.tw, description="test")
 117         task.save()
 118
 119         filtered_task = self.tw.tasks.get(description="test")
 120         self.assertEqual(filtered_task['description'], "test")
 121
 122     def test_filter_for_task_with_space_in_project(self):
 123         task = Task(self.tw, description="test", project="random project")
 124         task.save()
 125
 126         filtered_task = self.tw.tasks.get(project="random project")
 127         self.assertEqual(filtered_task['project'], "random project")
 128
 129     def test_filter_for_task_without_space_in_project(self):
 130         task = Task(self.tw, description="test", project="random")
 131         task.save()
 132
 133         filtered_task = self.tw.tasks.get(project="random")
 134         self.assertEqual(filtered_task['project'], "random")
 135
 136     def test_filter_with_empty_uuid(self):
 137         self.assertRaises(ValueError, lambda: self.tw.tasks.get(uuid=''))
 138
 139     def test_filter_dummy_by_status(self):
 140         t = Task(self.tw, description="test")
 141         t.save()
 142
 143         tasks = self.tw.tasks.filter(status=t['status'])
 144         self.assertEqual(list(tasks), [t])
 145
 146     def test_filter_dummy_by_uuid(self):
 147         t = Task(self.tw, description="test")
 148         t.save()
 149
 150         tasks = self.tw.tasks.filter(uuid=t['uuid'])
 151         self.assertEqual(list(tasks), [t])
 152
 153     def test_filter_dummy_by_entry(self):
 154         t = Task(self.tw, description="test")
 155         t.save()
 156
 157         tasks = self.tw.tasks.filter(entry=t['entry'])
 158         self.assertEqual(list(tasks), [t])
 159
 160     def test_filter_dummy_by_description(self):
 161         t = Task(self.tw, description="test")
 162         t.save()
 163
 164         tasks = self.tw.tasks.filter(description=t['description'])
 165         self.assertEqual(list(tasks), [t])
 166
 167     def test_filter_dummy_by_start(self):
 168         t = Task(self.tw, description="test")
 169         t.save()
 170         t.start()
 171
 172         tasks = self.tw.tasks.filter(start=t['start'])
 173         self.assertEqual(list(tasks), [t])
 174
 175     def test_filter_dummy_by_end(self):
 176         t = Task(self.tw, description="test")
 177         t.save()
 178         t.done()
 179
 180         tasks = self.tw.tasks.filter(end=t['end'])
 181         self.assertEqual(list(tasks), [t])
 182
 183     def test_filter_dummy_by_due(self):
 184         t = Task(self.tw, description="test", due=datetime.datetime.now())
 185         t.save()
 186
 187         tasks = self.tw.tasks.filter(due=t['due'])
 188         self.assertEqual(list(tasks), [t])
 189
 190     def test_filter_dummy_by_until(self):
 191         t = Task(self.tw, description="test")
 192         t.save()
 193
 194         tasks = self.tw.tasks.filter(until=t['until'])
 195         self.assertEqual(list(tasks), [t])
 196
 197     def test_filter_dummy_by_modified(self):
 198         # Older TW version does not support bumping modified
 199         # on save
 200         if self.tw.version < six.text_type('2.2.0'):
 201             # Python2.6 does not support SkipTest. As a workaround
 202             # mark the test as passed by exiting.
 203             if getattr(unittest, 'SkipTest', None) is not None:
 204                 raise unittest.SkipTest()
 205             else:
 206                 return
 207
 208         t = Task(self.tw, description="test")
 209         t.save()
 210
 211         tasks = self.tw.tasks.filter(modified=t['modified'])
 212         self.assertEqual(list(tasks), [t])
 213
 214     def test_filter_dummy_by_scheduled(self):
 215         t = Task(self.tw, description="test")
 216         t.save()
 217
 218         tasks = self.tw.tasks.filter(scheduled=t['scheduled'])
 219         self.assertEqual(list(tasks), [t])
 220
 221     def test_filter_dummy_by_tags(self):
 222         t = Task(self.tw, description="test", tags=["home"])
 223         t.save()
 224
 225         tasks = self.tw.tasks.filter(tags=t['tags'])
 226         self.assertEqual(list(tasks), [t])
 227
 228     def test_filter_dummy_by_projects(self):
 229         t = Task(self.tw, description="test", project="random")
 230         t.save()
 231
 232         tasks = self.tw.tasks.filter(project=t['project'])
 233         self.assertEqual(list(tasks), [t])
 234
 235     def test_filter_by_priority(self):
 236         t = Task(self.tw, description="test", priority="H")
 237         t.save()
 238
 239         tasks = self.tw.tasks.filter(priority=t['priority'])
 240         self.assertEqual(list(tasks), [t])
 241
 242
 243 class TaskTest(TasklibTest):
 244
 245     def test_create_unsaved_task(self):
 246         # Make sure a new task is not saved unless explicitly called for
 247         t = Task(self.tw, description="test task")
 248         self.assertEqual(len(self.tw.tasks.all()), 0)
 249
 250     # TODO: once python 2.6 compatiblity is over, use context managers here
 251     #       and in all subsequent tests for assertRaises
 252
 253     def test_delete_unsaved_task(self):
 254         t = Task(self.tw, description="test task")
 255         self.assertRaises(Task.NotSaved, t.delete)
 256
 257     def test_complete_unsaved_task(self):
 258         t = Task(self.tw, description="test task")
 259         self.assertRaises(Task.NotSaved, t.done)
 260
 261     def test_refresh_unsaved_task(self):
 262         t = Task(self.tw, description="test task")
 263         self.assertRaises(Task.NotSaved, t.refresh)
 264
 265     def test_start_unsaved_task(self):
 266         t = Task(self.tw, description="test task")
 267         self.assertRaises(Task.NotSaved, t.start)
 268
 269     def test_delete_deleted_task(self):
 270         t = Task(self.tw, description="test task")
 271         t.save()
 272         t.delete()
 273
 274         self.assertRaises(Task.DeletedTask, t.delete)
 275
 276     def test_complete_completed_task(self):
 277         t = Task(self.tw, description="test task")
 278         t.save()
 279         t.done()
 280
 281         self.assertRaises(Task.CompletedTask, t.done)
 282
 283     def test_start_completed_task(self):
 284         t = Task(self.tw, description="test task")
 285         t.save()
 286         t.done()
 287
 288         self.assertRaises(Task.CompletedTask, t.start)
 289
 290     def test_add_completed_task(self):
 291         t = Task(self.tw, description="test", status="completed",
 292                  end=datetime.datetime.now())
 293         t.save()
 294
 295     def test_add_multiple_completed_tasks(self):
 296         t1 = Task(self.tw, description="test1", status="completed",
 297                  end=datetime.datetime.now())
 298         t2 = Task(self.tw, description="test2", status="completed",
 299                  end=datetime.datetime.now())
 300         t1.save()
 301         t2.save()
 302
 303     def test_complete_deleted_task(self):
 304         t = Task(self.tw, description="test task")
 305         t.save()
 306         t.delete()
 307
 308         self.assertRaises(Task.DeletedTask, t.done)
 309
 310     def test_starting_task(self):
 311         t = Task(self.tw, description="test task")
 312         now = t.datetime_normalizer(datetime.datetime.now())
 313         t.save()
 314         t.start()
 315
 316         self.assertTrue(now.replace(microsecond=0) <= t['start'])
 317         self.assertEqual(t['status'], 'pending')
 318
 319     def test_completing_task(self):
 320         t = Task(self.tw, description="test task")
 321         now = t.datetime_normalizer(datetime.datetime.now())
 322         t.save()
 323         t.done()
 324
 325         self.assertTrue(now.replace(microsecond=0) <= t['end'])
 326         self.assertEqual(t['status'], 'completed')
 327
 328     def test_deleting_task(self):
 329         t = Task(self.tw, description="test task")
 330         now = t.datetime_normalizer(datetime.datetime.now())
 331         t.save()
 332         t.delete()
 333
 334         self.assertTrue(now.replace(microsecond=0) <= t['end'])
 335         self.assertEqual(t['status'], 'deleted')
 336
 337     def test_started_task_active(self):
 338         t = Task(self.tw, description="test task")
 339         t.save()
 340         t.start()
 341         self.assertTrue(t.active)
 342
 343     def test_unstarted_task_inactive(self):
 344         t = Task(self.tw, description="test task")
 345         self.assertFalse(t.active)
 346         t.save()
 347         self.assertFalse(t.active)
 348
 349     def test_start_active_task(self):
 350         t = Task(self.tw, description="test task")
 351         t.save()
 352         t.start()
 353         self.assertRaises(Task.ActiveTask, t.start)
 354
 355     def test_stop_completed_task(self):
 356         t = Task(self.tw, description="test task")
 357         t.save()
 358         t.start()
 359         t.done()
 360
 361         self.assertRaises(Task.InactiveTask, t.stop)
 362
 363         t = Task(self.tw, description="test task")
 364         t.save()
 365         t.done()
 366
 367         self.assertRaises(Task.InactiveTask, t.stop)
 368
 369     def test_stop_deleted_task(self):
 370         t = Task(self.tw, description="test task")
 371         t.save()
 372         t.start()
 373         t.delete()
 374         t.stop()
 375
 376     def test_stop_inactive_task(self):
 377         t = Task(self.tw, description="test task")
 378         t.save()
 379
 380         self.assertRaises(Task.InactiveTask, t.stop)
 381
 382         t = Task(self.tw, description="test task")
 383         t.save()
 384         t.start()
 385         t.stop()
 386
 387         self.assertRaises(Task.InactiveTask, t.stop)
 388
 389     def test_stopping_task(self):
 390         t = Task(self.tw, description="test task")
 391         now = t.datetime_normalizer(datetime.datetime.now())
 392         t.save()
 393         t.start()
 394         t.stop()
 395
 396         self.assertEqual(t['end'], None)
 397         self.assertEqual(t['status'], 'pending')
 398         self.assertFalse(t.active)
 399
 400     def test_modify_simple_attribute_without_space(self):
 401         t = Task(self.tw, description="test")
 402         t.save()
 403
 404         self.assertEquals(t['description'], "test")
 405
 406         t['description'] = "test-modified"
 407         t.save()
 408
 409         self.assertEquals(t['description'], "test-modified")
 410
 411     def test_modify_simple_attribute_with_space(self):
 412         # Space can pose problems with parsing
 413         t = Task(self.tw, description="test task")
 414         t.save()
 415
 416         self.assertEquals(t['description'], "test task")
 417
 418         t['description'] = "test task modified"
 419         t.save()
 420
 421         self.assertEquals(t['description'], "test task modified")
 422
 423     def test_empty_dependency_set_of_unsaved_task(self):
 424         t = Task(self.tw, description="test task")
 425         self.assertEqual(t['depends'], set())
 426
 427     def test_empty_dependency_set_of_saved_task(self):
 428         t = Task(self.tw, description="test task")
 429         t.save()
 430         self.assertEqual(t['depends'], set())
 431
 432     def test_set_unsaved_task_as_dependency(self):
 433         # Adds only one dependency to task with no dependencies
 434         t = Task(self.tw, description="test task")
 435         dependency = Task(self.tw, description="needs to be done first")
 436
 437         # We only save the parent task, dependency task is unsaved
 438         t.save()
 439         t['depends'] = set([dependency])
 440
 441         self.assertRaises(Task.NotSaved, t.save)
 442
 443     def test_set_simple_dependency_set(self):
 444         # Adds only one dependency to task with no dependencies
 445         t = Task(self.tw, description="test task")
 446         dependency = Task(self.tw, description="needs to be done first")
 447
 448         t.save()
 449         dependency.save()
 450
 451         t['depends'] = set([dependency])
 452
 453         self.assertEqual(t['depends'], set([dependency]))
 454
 455     def test_set_complex_dependency_set(self):
 456         # Adds two dependencies to task with no dependencies
 457         t = Task(self.tw, description="test task")
 458         dependency1 = Task(self.tw, description="needs to be done first")
 459         dependency2 = Task(self.tw, description="needs to be done second")
 460
 461         t.save()
 462         dependency1.save()
 463         dependency2.save()
 464
 465         t['depends'] = set([dependency1, dependency2])
 466
 467         self.assertEqual(t['depends'], set([dependency1, dependency2]))
 468
 469     def test_remove_from_dependency_set(self):
 470         # Removes dependency from task with two dependencies
 471         t = Task(self.tw, description="test task")
 472         dependency1 = Task(self.tw, description="needs to be done first")
 473         dependency2 = Task(self.tw, description="needs to be done second")
 474
 475         dependency1.save()
 476         dependency2.save()
 477
 478         t['depends'] = set([dependency1, dependency2])
 479         t.save()
 480
 481         t['depends'].remove(dependency2)
 482         t.save()
 483
 484         self.assertEqual(t['depends'], set([dependency1]))
 485
 486     def test_add_to_dependency_set(self):
 487         # Adds dependency to task with one dependencies
 488         t = Task(self.tw, description="test task")
 489         dependency1 = Task(self.tw, description="needs to be done first")
 490         dependency2 = Task(self.tw, description="needs to be done second")
 491
 492         dependency1.save()
 493         dependency2.save()
 494
 495         t['depends'] = set([dependency1])
 496         t.save()
 497
 498         t['depends'].add(dependency2)
 499         t.save()
 500
 501         self.assertEqual(t['depends'], set([dependency1, dependency2]))
 502
 503     def test_add_to_empty_dependency_set(self):
 504         # Adds dependency to task with one dependencies
 505         t = Task(self.tw, description="test task")
 506         dependency = Task(self.tw, description="needs to be done first")
 507
 508         dependency.save()
 509
 510         t['depends'].add(dependency)
 511         t.save()
 512
 513         self.assertEqual(t['depends'], set([dependency]))
 514
 515     def test_simple_dependency_set_save_repeatedly(self):
 516         # Adds only one dependency to task with no dependencies
 517         t = Task(self.tw, description="test task")
 518         dependency = Task(self.tw, description="needs to be done first")
 519         dependency.save()
 520
 521         t['depends'] = set([dependency])
 522         t.save()
 523
 524         # We taint the task, but keep depends intact
 525         t['description'] = "test task modified"
 526         t.save()
 527
 528         self.assertEqual(t['depends'], set([dependency]))
 529
 530         # We taint the task, but assign the same set to the depends
 531         t['depends'] = set([dependency])
 532         t['description'] = "test task modified again"
 533         t.save()
 534
 535         self.assertEqual(t['depends'], set([dependency]))
 536
 537     def test_compare_different_tasks(self):
 538         # Negative: compare two different tasks
 539         t1 = Task(self.tw, description="test task")
 540         t2 = Task(self.tw, description="test task")
 541
 542         t1.save()
 543         t2.save()
 544
 545         self.assertEqual(t1 == t2, False)
 546
 547     def test_compare_same_task_object(self):
 548         # Compare Task object wit itself
 549         t = Task(self.tw, description="test task")
 550         t.save()
 551
 552         self.assertEqual(t == t, True)
 553
 554     def test_compare_same_task(self):
 555         # Compare the same task using two different objects
 556         t1 = Task(self.tw, description="test task")
 557         t1.save()
 558
 559         t2 = self.tw.tasks.get(uuid=t1['uuid'])
 560         self.assertEqual(t1 == t2, True)
 561
 562     def test_compare_unsaved_tasks(self):
 563         # t1 and t2 are unsaved tasks, considered to be unequal
 564         # despite the content of data
 565         t1 = Task(self.tw, description="test task")
 566         t2 = Task(self.tw, description="test task")
 567
 568         self.assertEqual(t1 == t2, False)
 569
 570     def test_hash_unsaved_tasks(self):
 571         # Considered equal, it's the same object
 572         t1 = Task(self.tw, description="test task")
 573         t2 = t1
 574         self.assertEqual(hash(t1) == hash(t2), True)
 575
 576     def test_hash_same_task(self):
 577         # Compare the hash of the task using two different objects
 578         t1 = Task(self.tw, description="test task")
 579         t1.save()
 580
 581         t2 = self.tw.tasks.get(uuid=t1['uuid'])
 582         self.assertEqual(t1.__hash__(), t2.__hash__())
 583
 584     def test_adding_task_with_priority(self):
 585         t = Task(self.tw, description="test task", priority="M")
 586         t.save()
 587
 588     def test_removing_priority_with_none(self):
 589         t = Task(self.tw, description="test task", priority="L")
 590         t.save()
 591
 592         # Remove the priority mark
 593         t['priority'] = None
 594         t.save()
 595
 596         # Assert that priority is not there after saving
 597         self.assertEqual(t['priority'], None)
 598
 599     def test_adding_task_with_due_time(self):
 600         t = Task(self.tw, description="test task", due=datetime.datetime.now())
 601         t.save()
 602
 603     def test_removing_due_time_with_none(self):
 604         t = Task(self.tw, description="test task", due=datetime.datetime.now())
 605         t.save()
 606
 607         # Remove the due timestamp
 608         t['due'] = None
 609         t.save()
 610
 611         # Assert that due timestamp is no longer there
 612         self.assertEqual(t['due'], None)
 613
 614     def test_modified_fields_new_task(self):
 615         t = Task(self.tw)
 616
 617         # This should be empty with new task
 618         self.assertEqual(set(t._modified_fields), set())
 619
 620         # Modify the task
 621         t['description'] = "test task"
 622         self.assertEqual(set(t._modified_fields), set(['description']))
 623
 624         t['due'] = datetime.datetime(2014, 2, 14, 14, 14, 14)  # <3
 625         self.assertEqual(set(t._modified_fields), set(['description', 'due']))
 626
 627         t['project'] = "test project"
 628         self.assertEqual(set(t._modified_fields),
 629                          set(['description', 'due', 'project']))
 630
 631         # List of modified fields should clear out when saved
 632         t.save()
 633         self.assertEqual(set(t._modified_fields), set())
 634
 635         # Reassigning the fields with the same values now should not produce
 636         # modified fields
 637         t['description'] = "test task"
 638         t['due'] = datetime.datetime(2014, 2, 14, 14, 14, 14)  # <3
 639         t['project'] = "test project"
 640         self.assertEqual(set(t._modified_fields), set())
 641
 642     def test_modified_fields_loaded_task(self):
 643         t = Task(self.tw)
 644
 645         # Modify the task
 646         t['description'] = "test task"
 647         t['due'] = datetime.datetime(2014, 2, 14, 14, 14, 14)  # <3
 648         t['project'] = "test project"
 649
 650         dependency = Task(self.tw, description="dependency")
 651         dependency.save()
 652         t['depends'] = set([dependency])
 653
 654         # List of modified fields should clear out when saved
 655         t.save()
 656         self.assertEqual(set(t._modified_fields), set())
 657
 658         # Get the task by using a filter by UUID
 659         t2 = self.tw.tasks.get(uuid=t['uuid'])
 660
 661         # Reassigning the fields with the same values now should not produce
 662         # modified fields
 663         t['description'] = "test task"
 664         t['due'] = datetime.datetime(2014, 2, 14, 14, 14, 14)  # <3
 665         t['project'] = "test project"
 666         t['depends'] = set([dependency])
 667         self.assertEqual(set(t._modified_fields), set())
 668
 669     def test_modified_fields_not_affected_by_reading(self):
 670         t = Task(self.tw)
 671
 672         for field in TASK_STANDARD_ATTRS:
 673             value = t[field]
 674
 675         self.assertEqual(set(t._modified_fields), set())
 676
 677     def test_setting_read_only_attrs_through_init(self):
 678         # Test that we are unable to set readonly attrs through __init__
 679         for readonly_key in Task.read_only_fields:
 680             kwargs = {'description': 'test task', readonly_key: 'value'}
 681             self.assertRaises(RuntimeError,
 682                               lambda: Task(self.tw, **kwargs))
 683
 684     def test_setting_read_only_attrs_through_setitem(self):
 685         # Test that we are unable to set readonly attrs through __init__
 686         for readonly_key in Task.read_only_fields:
 687             t = Task(self.tw, description='test task')
 688             self.assertRaises(RuntimeError,
 689                               lambda: t.__setitem__(readonly_key, 'value'))
 690
 691     def test_saving_unmodified_task(self):
 692         t = Task(self.tw, description="test task")
 693         t.save()
 694         t.save()
 695
 696     def test_adding_tag_by_appending(self):
 697         t = Task(self.tw, description="test task", tags=['test1'])
 698         t.save()
 699         t['tags'].add('test2')
 700         t.save()
 701         self.assertEqual(t['tags'], set(['test1', 'test2']))
 702
 703     def test_adding_tag_twice(self):
 704         t = Task(self.tw, description="test task", tags=['test1'])
 705         t.save()
 706         t['tags'].add('test2')
 707         t['tags'].add('test2')
 708         t.save()
 709         self.assertEqual(t['tags'], set(['test1', 'test2']))
 710
 711     def test_adding_tag_by_appending_empty(self):
 712         t = Task(self.tw, description="test task")
 713         t.save()
 714         t['tags'].add('test')
 715         t.save()
 716         self.assertEqual(t['tags'], set(['test']))
 717
 718     def test_serializers_returning_empty_string_for_none(self):
 719         # Test that any serializer returns '' when passed None
 720         t = Task(self.tw)
 721         serializers = [getattr(t, serializer_name) for serializer_name in
 722                        filter(lambda x: x.startswith('serialize_'), dir(t))]
 723         for serializer in serializers:
 724             self.assertEqual(serializer(None), '')
 725
 726     def test_deserializer_returning_empty_value_for_empty_string(self):
 727         # Test that any deserializer returns empty value when passed ''
 728         t = Task(self.tw)
 729         deserializers = [getattr(t, deserializer_name) for deserializer_name in
 730                         filter(lambda x: x.startswith('deserialize_'), dir(t))]
 731         for deserializer in deserializers:
 732             self.assertTrue(deserializer('') in (None, [], set()))
 733
 734     def test_normalizers_handling_none(self):
 735         # Test that any normalizer can handle None as a valid value
 736         t = Task(self.tw)
 737
 738         for key in TASK_STANDARD_ATTRS:
 739             t._normalize(key, None)
 740
 741     def test_recurrent_task_generation(self):
 742         today = datetime.date.today()
 743         t = Task(self.tw, description="brush teeth",
 744                  due=today, recur="daily")
 745         t.save()
 746         self.assertEqual(len(self.tw.tasks.pending()), 2)
 747
 748     def test_spawned_task_parent(self):
 749         today = datetime.date.today()
 750         t = Task(self.tw, description="brush teeth",
 751                  due=today, recur="daily")
 752         t.save()
 753
 754         spawned = self.tw.tasks.pending().get(due=today)
 755         assert spawned['parent'] == t
 756
 757     def test_modify_number_of_tasks_at_once(self):
 758         for i in range(1, 100):
 759             Task(self.tw, description="test task %d" % i, tags=['test']).save()
 760
 761         self.tw.execute_command(['+test', 'mod', 'unified', 'description'])
 762
 763     def test_return_all_from_executed_command(self):
 764         Task(self.tw, description="test task", tags=['test']).save()
 765         out, err, rc = self.tw.execute_command(['count'], return_all=True)
 766         self.assertEqual(rc, 0)
 767
 768     def test_return_all_from_failed_executed_command(self):
 769         Task(self.tw, description="test task", tags=['test']).save()
 770         out, err, rc = self.tw.execute_command(['countinvalid'],
 771             return_all=True, allow_failure=False)
 772         self.assertNotEqual(rc, 0)
 773
 774
 775 class TaskFromHookTest(TasklibTest):
 776
 777     input_add_data = six.StringIO(
 778         '{"description":"Buy some milk",'
 779         '"entry":"20141118T050231Z",'
 780         '"status":"pending",'
 781         '"start":"20141119T152233Z",'
 782         '"uuid":"a360fc44-315c-4366-b70c-ea7e7520b749"}')
 783
 784     input_add_data_recurring = six.StringIO(
 785         '{"description":"Mow the lawn",'
 786         '"entry":"20160210T224304Z",'
 787         '"parent":"62da6227-519c-42c2-915d-dccada926ad7",'
 788         '"recur":"weekly",'
 789         '"status":"pending",'
 790         '"uuid":"81305335-0237-49ff-8e87-b3cdc2369cec"}')
 791
 792     input_modify_data = six.StringIO(input_add_data.getvalue() + '\n' +
 793         '{"description":"Buy some milk finally",'
 794         '"entry":"20141118T050231Z",'
 795         '"status":"completed",'
 796         '"uuid":"a360fc44-315c-4366-b70c-ea7e7520b749"}')
 797
 798     exported_raw_data = (
 799         '{"project":"Home",'
 800          '"due":"20150101T232323Z",'
 801          '"description":"test task"}')
 802
 803     def test_setting_up_from_add_hook_input(self):
 804         t = Task.from_input(input_file=self.input_add_data, backend=self.tw)
 805         self.assertEqual(t['description'], "Buy some milk")
 806         self.assertEqual(t.pending, True)
 807
 808     def test_setting_up_from_add_hook_input_recurring(self):
 809         t = Task.from_input(input_file=self.input_add_data_recurring,
 810                             backend=self.tw)
 811         self.assertEqual(t['description'], "Mow the lawn")
 812         self.assertEqual(t.pending, True)
 813
 814     def test_setting_up_from_modified_hook_input(self):
 815         t = Task.from_input(input_file=self.input_modify_data, modify=True,
 816                             backend=self.tw)
 817         self.assertEqual(t['description'], "Buy some milk finally")
 818         self.assertEqual(t.pending, False)
 819         self.assertEqual(t.completed, True)
 820
 821         self.assertEqual(t._original_data['status'], "pending")
 822         self.assertEqual(t._original_data['description'], "Buy some milk")
 823         self.assertEqual(set(t._modified_fields),
 824                          set(['status', 'description', 'start']))
 825
 826     def test_export_data(self):
 827         t = Task(self.tw, description="test task",
 828             project="Home",
 829             due=pytz.utc.localize(datetime.datetime(2015,1,1,23,23,23)))
 830
 831         # Check that the output is a permutation of:
 832         # {"project":"Home","description":"test task","due":"20150101232323Z"}
 833         allowed_segments = self.exported_raw_data[1:-1].split(',')
 834         allowed_output = [
 835             '{' + ','.join(segments) + '}'
 836             for segments in itertools.permutations(allowed_segments)
 837         ]
 838
 839         self.assertTrue(any(t.export_data() == expected
 840                             for expected in allowed_output))
 841
 842 class TimezoneAwareDatetimeTest(TasklibTest):
 843
 844     def setUp(self):
 845         super(TimezoneAwareDatetimeTest, self).setUp()
 846         self.zone = local_zone
 847         self.localdate_naive = datetime.datetime(2015,2,2)
 848         self.localtime_naive = datetime.datetime(2015,2,2,0,0,0)
 849         self.localtime_aware = self.zone.localize(self.localtime_naive)
 850         self.utctime_aware = self.localtime_aware.astimezone(pytz.utc)
 851
 852     def test_timezone_naive_datetime_setitem(self):
 853         t = Task(self.tw, description="test task")
 854         t['due'] = self.localtime_naive
 855         self.assertEqual(t['due'], self.localtime_aware)
 856
 857     def test_timezone_naive_datetime_using_init(self):
 858         t = Task(self.tw, description="test task", due=self.localtime_naive)
 859         self.assertEqual(t['due'], self.localtime_aware)
 860
 861     def test_filter_by_naive_datetime(self):
 862         t = Task(self.tw, description="task1", due=self.localtime_naive)
 863         t.save()
 864         matching_tasks = self.tw.tasks.filter(due=self.localtime_naive)
 865         self.assertEqual(len(matching_tasks), 1)
 866
 867     def test_serialize_naive_datetime(self):
 868         t = Task(self.tw, description="task1", due=self.localtime_naive)
 869         self.assertEqual(json.loads(t.export_data())['due'],
 870                          self.utctime_aware.strftime(DATE_FORMAT))
 871
 872     def test_timezone_naive_date_setitem(self):
 873         t = Task(self.tw, description="test task")
 874         t['due'] = self.localdate_naive
 875         self.assertEqual(t['due'], self.localtime_aware)
 876
 877     def test_timezone_naive_date_using_init(self):
 878         t = Task(self.tw, description="test task", due=self.localdate_naive)
 879         self.assertEqual(t['due'], self.localtime_aware)
 880
 881     def test_filter_by_naive_date(self):
 882         t = Task(self.tw, description="task1", due=self.localdate_naive)
 883         t.save()
 884         matching_tasks = self.tw.tasks.filter(due=self.localdate_naive)
 885         self.assertEqual(len(matching_tasks), 1)
 886
 887     def test_serialize_naive_date(self):
 888         t = Task(self.tw, description="task1", due=self.localdate_naive)
 889         self.assertEqual(json.loads(t.export_data())['due'],
 890                          self.utctime_aware.strftime(DATE_FORMAT))
 891
 892     def test_timezone_aware_datetime_setitem(self):
 893         t = Task(self.tw, description="test task")
 894         t['due'] = self.localtime_aware
 895         self.assertEqual(t['due'], self.localtime_aware)
 896
 897     def test_timezone_aware_datetime_using_init(self):
 898         t = Task(self.tw, description="test task", due=self.localtime_aware)
 899         self.assertEqual(t['due'], self.localtime_aware)
 900
 901     def test_filter_by_aware_datetime(self):
 902         t = Task(self.tw, description="task1", due=self.localtime_aware)
 903         t.save()
 904         matching_tasks = self.tw.tasks.filter(due=self.localtime_aware)
 905         self.assertEqual(len(matching_tasks), 1)
 906
 907     def test_serialize_aware_datetime(self):
 908         t = Task(self.tw, description="task1", due=self.localtime_aware)
 909         self.assertEqual(json.loads(t.export_data())['due'],
 910                          self.utctime_aware.strftime(DATE_FORMAT))
 911
 912 class DatetimeStringTest(TasklibTest):
 913
 914     def test_simple_now_conversion(self):
 915         if self.tw.version < six.text_type('2.4.0'):
 916             # Python2.6 does not support SkipTest. As a workaround
 917             # mark the test as passed by exiting.
 918             if getattr(unittest, 'SkipTest', None) is not None:
 919                 raise unittest.SkipTest()
 920             else:
 921                 return
 922
 923         t = Task(self.tw, description="test task", due="now")
 924         now = local_zone.localize(datetime.datetime.now())
 925
 926         # Assert that both times are not more than 5 seconds apart
 927         if sys.version_info < (2,7):
 928             self.assertTrue(total_seconds_2_6(now - t['due']) < 5)
 929             self.assertTrue(total_seconds_2_6(t['due'] - now) < 5)
 930         else:
 931             self.assertTrue((now - t['due']).total_seconds() < 5)
 932             self.assertTrue((t['due'] - now).total_seconds() < 5)
 933
 934     def test_simple_eoy_conversion(self):
 935         if self.tw.version < six.text_type('2.4.0'):
 936             # Python2.6 does not support SkipTest. As a workaround
 937             # mark the test as passed by exiting.
 938             if getattr(unittest, 'SkipTest', None) is not None:
 939                 raise unittest.SkipTest()
 940             else:
 941                 return
 942
 943         t = Task(self.tw, description="test task", due="eoy")
 944         now = local_zone.localize(datetime.datetime.now())
 945         eoy = local_zone.localize(datetime.datetime(
 946             year=now.year,
 947             month=12,
 948             day=31,
 949             hour=23,
 950             minute=59,
 951             second=59
 952             ))
 953         self.assertEqual(eoy, t['due'])
 954
 955     def test_complex_eoy_conversion(self):
 956         if self.tw.version < six.text_type('2.4.0'):
 957             # Python2.6 does not support SkipTest. As a workaround
 958             # mark the test as passed by exiting.
 959             if getattr(unittest, 'SkipTest', None) is not None:
 960                 raise unittest.SkipTest()
 961             else:
 962                 return
 963
 964         t = Task(self.tw, description="test task", due="eoy - 4 months")
 965         now = local_zone.localize(datetime.datetime.now())
 966         due_date = local_zone.localize(datetime.datetime(
 967             year=now.year,
 968             month=12,
 969             day=31,
 970             hour=23,
 971             minute=59,
 972             second=59
 973             )) - datetime.timedelta(0,4 * 30 * 86400)
 974         self.assertEqual(due_date, t['due'])
 975
 976     def test_filtering_with_string_datetime(self):
 977         if self.tw.version < six.text_type('2.4.0'):
 978             # Python2.6 does not support SkipTest. As a workaround
 979             # mark the test as passed by exiting.
 980             if getattr(unittest, 'SkipTest', None) is not None:
 981                 raise unittest.SkipTest()
 982             else:
 983                 return
 984
 985         t = Task(self.tw, description="test task",
 986                  due=datetime.datetime.now() - datetime.timedelta(0,2))
 987         t.save()
 988         self.assertEqual(len(self.tw.tasks.filter(due__before="now")), 1)
 989
 990 class AnnotationTest(TasklibTest):
 991
 992     def setUp(self):
 993         super(AnnotationTest, self).setUp()
 994         Task(self.tw, description="test task").save()
 995
 996     def test_adding_annotation(self):
 997         task = self.tw.tasks.get()
 998         task.add_annotation('test annotation')
 999         self.assertEqual(len(task['annotations']), 1)
1000         ann = task['annotations'][0]
1001         self.assertEqual(ann['description'], 'test annotation')
1002
1003     def test_removing_annotation(self):
1004         task = self.tw.tasks.get()
1005         task.add_annotation('test annotation')
1006         ann = task['annotations'][0]
1007         ann.remove()
1008         self.assertEqual(len(task['annotations']), 0)
1009
1010     def test_removing_annotation_by_description(self):
1011         task = self.tw.tasks.get()
1012         task.add_annotation('test annotation')
1013         task.remove_annotation('test annotation')
1014         self.assertEqual(len(task['annotations']), 0)
1015
1016     def test_removing_annotation_by_obj(self):
1017         task = self.tw.tasks.get()
1018         task.add_annotation('test annotation')
1019         ann = task['annotations'][0]
1020         task.remove_annotation(ann)
1021         self.assertEqual(len(task['annotations']), 0)
1022
1023     def test_annotation_after_modification(self):
1024          task = self.tw.tasks.get()
1025          task['project'] = 'test'
1026          task.add_annotation('I should really do this task')
1027          self.assertEqual(task['project'], 'test')
1028          task.save()
1029          self.assertEqual(task['project'], 'test')
1030
1031     def test_serialize_annotations(self):
1032         # Test that serializing annotations is possible
1033         t = Task(self.tw, description="test")
1034         t.save()
1035
1036         t.add_annotation("annotation1")
1037         t.add_annotation("annotation2")
1038
1039         data = t._serialize('annotations', t._data['annotations'])
1040
1041         self.assertEqual(len(data), 2)
1042         self.assertEqual(type(data[0]), dict)
1043         self.assertEqual(type(data[1]), dict)
1044
1045         self.assertEqual(data[0]['description'], "annotation1")
1046         self.assertEqual(data[1]['description'], "annotation2")
1047
1048
1049 class UnicodeTest(TasklibTest):
1050
1051     def test_unicode_task(self):
1052         Task(self.tw, description=six.u("†åßk")).save()
1053         self.tw.tasks.get()
1054
1055     def test_filter_by_unicode_task(self):
1056         Task(self.tw, description=six.u("†åßk")).save()
1057         tasks = self.tw.tasks.filter(description=six.u("†åßk"))
1058         self.assertEqual(len(tasks), 1)
1059
1060     def test_non_unicode_task(self):
1061         Task(self.tw, description="test task").save()
1062         self.tw.tasks.get()
1063
1064 class ReadOnlyDictViewTest(unittest.TestCase):
1065
1066     def setUp(self):
1067         self.sample = dict(l=[1,2,3], d={'k':'v'})
1068         self.original_sample = copy.deepcopy(self.sample)
1069         self.view = ReadOnlyDictView(self.sample)
1070
1071     def test_readonlydictview_getitem(self):
1072         l = self.view['l']
1073         self.assertEqual(l, self.sample['l'])
1074
1075         # Assert that modification changed only copied value
1076         l.append(4)
1077         self.assertNotEqual(l, self.sample['l'])
1078
1079         # Assert that viewed dict is not changed
1080         self.assertEqual(self.sample, self.original_sample)
1081
1082     def test_readonlydictview_contains(self):
1083         self.assertEqual('l' in self.view, 'l' in self.sample)
1084         self.assertEqual('d' in self.view, 'd' in self.sample)
1085         self.assertEqual('k' in self.view, 'k' in self.sample)
1086
1087         # Assert that viewed dict is not changed
1088         self.assertEqual(self.sample, self.original_sample)
1089
1090     def test_readonlydictview_iter(self):
1091         self.assertEqual(list(k for k in self.view),
1092                          list(k for k in self.sample))
1093
1094         # Assert the view is correct after modification
1095         self.sample['new'] = 'value'
1096         self.assertEqual(list(k for k in self.view),
1097                          list(k for k in self.sample))
1098
1099     def test_readonlydictview_len(self):
1100         self.assertEqual(len(self.view), len(self.sample))
1101
1102         # Assert the view is correct after modification
1103         self.sample['new'] = 'value'
1104         self.assertEqual(len(self.view), len(self.sample))
1105
1106     def test_readonlydictview_get(self):
1107         l = self.view.get('l')
1108         self.assertEqual(l, self.sample.get('l'))
1109
1110         # Assert that modification changed only copied value
1111         l.append(4)
1112         self.assertNotEqual(l, self.sample.get('l'))
1113
1114         # Assert that viewed dict is not changed
1115         self.assertEqual(self.sample, self.original_sample)
1116
1117     def test_readonlydict_items(self):
1118         view_items = self.view.items()
1119         sample_items = list(self.sample.items())
1120         self.assertEqual(view_items, sample_items)
1121
1122         view_items.append('newkey')
1123         self.assertNotEqual(view_items, sample_items)
1124         self.assertEqual(self.sample, self.original_sample)
1125
1126     def test_readonlydict_values(self):
1127         view_values = self.view.values()
1128         sample_values = list(self.sample.values())
1129         self.assertEqual(view_values, sample_values)
1130
1131         view_list_item = list(filter(lambda x: type(x) is list,
1132                                      view_values))[0]
1133         view_list_item.append(4)
1134         self.assertNotEqual(view_values, sample_values)
1135         self.assertEqual(self.sample, self.original_sample)
1136
1137
1138 class LazyUUIDTaskTest(TasklibTest):
1139
1140     def setUp(self):
1141         super(LazyUUIDTaskTest, self).setUp()
1142
1143         self.stored = Task(self.tw, description="this is test task")
1144         self.stored.save()
1145
1146         self.lazy = LazyUUIDTask(self.tw, self.stored['uuid'])
1147
1148     def test_uuid_non_conversion(self):
1149         assert self.stored['uuid'] == self.lazy['uuid']
1150         assert type(self.lazy) is LazyUUIDTask
1151
1152     def test_lazy_explicit_conversion(self):
1153         assert type(self.lazy) is LazyUUIDTask
1154         self.lazy.replace()
1155         assert type(self.lazy) is Task
1156
1157     def test_conversion_key(self):
1158         assert self.stored['description'] == self.lazy['description']
1159         assert type(self.lazy) is Task
1160
1161     def test_conversion_attribute(self):
1162         assert type(self.lazy) is LazyUUIDTask
1163         assert self.lazy.completed is False
1164         assert type(self.lazy) is Task
1165
1166     def test_normal_to_lazy_equality(self):
1167         assert self.stored == self.lazy
1168         assert not self.stored != self.lazy
1169         assert type(self.lazy) is LazyUUIDTask
1170
1171     def test_lazy_to_lazy_equality(self):
1172         lazy1 = LazyUUIDTask(self.tw, self.stored['uuid'])
1173         lazy2 = LazyUUIDTask(self.tw, self.stored['uuid'])
1174
1175         assert lazy1 == lazy2
1176         assert not lazy1 != lazy2
1177         assert type(lazy1) is LazyUUIDTask
1178         assert type(lazy2) is LazyUUIDTask
1179
1180     def test_normal_to_lazy_inequality(self):
1181         # Create a different UUID by changing the last letter
1182         wrong_uuid = self.stored['uuid']
1183         wrong_uuid = wrong_uuid[:-1] + ('a' if wrong_uuid[-1] != 'a' else 'b')
1184
1185         wrong_lazy = LazyUUIDTask(self.tw, wrong_uuid)
1186
1187         assert not self.stored == wrong_lazy
1188         assert self.stored != wrong_lazy
1189         assert type(wrong_lazy) is LazyUUIDTask
1190
1191     def test_lazy_to_lazy_inequality(self):
1192         # Create a different UUID by changing the last letter
1193         wrong_uuid = self.stored['uuid']
1194         wrong_uuid = wrong_uuid[:-1] + ('a' if wrong_uuid[-1] != 'a' else 'b')
1195
1196         lazy1 = LazyUUIDTask(self.tw, self.stored['uuid'])
1197         lazy2 = LazyUUIDTask(self.tw, wrong_uuid)
1198
1199         assert not lazy1 == lazy2
1200         assert lazy1 != lazy2
1201         assert type(lazy1) is LazyUUIDTask
1202         assert type(lazy2) is LazyUUIDTask
1203
1204     def test_lazy_in_queryset(self):
1205         tasks = self.tw.tasks.filter(uuid=self.stored['uuid'])
1206
1207         assert self.lazy in tasks
1208         assert type(self.lazy) is LazyUUIDTask
1209
1210     def test_lazy_saved(self):
1211         assert self.lazy.saved is True
1212
1213     def test_lazy_modified(self):
1214         assert self.lazy.modified is False
1215
1216     def test_lazy_modified_fields(self):
1217         assert self.lazy._modified_fields == set()
1218
1219
1220 class LazyUUIDTaskSetTest(TasklibTest):
1221
1222     def setUp(self):
1223         super(LazyUUIDTaskSetTest, self).setUp()
1224
1225         self.task1 = Task(self.tw, description="task 1")
1226         self.task2 = Task(self.tw, description="task 2")
1227         self.task3 = Task(self.tw, description="task 3")
1228
1229         self.task1.save()
1230         self.task2.save()
1231         self.task3.save()
1232
1233         self.uuids = (
1234             self.task1['uuid'],
1235             self.task2['uuid'],
1236             self.task3['uuid']
1237         )
1238
1239         self.lazy = LazyUUIDTaskSet(self.tw, self.uuids)
1240
1241     def test_length(self):
1242         assert len(self.lazy) == 3
1243         assert type(self.lazy) is LazyUUIDTaskSet
1244
1245     def test_contains(self):
1246         assert self.task1 in self.lazy
1247         assert self.task2 in self.lazy
1248         assert self.task3 in self.lazy
1249         assert type(self.lazy) is LazyUUIDTaskSet
1250
1251     def test_eq_lazy(self):
1252         new_lazy = LazyUUIDTaskSet(self.tw, self.uuids)
1253         assert self.lazy == new_lazy
1254         assert not self.lazy != new_lazy
1255         assert type(self.lazy) is LazyUUIDTaskSet
1256
1257     def test_eq_real(self):
1258         assert self.lazy == self.tw.tasks.all()
1259         assert self.tw.tasks.all() == self.lazy
1260         assert not self.lazy != self.tw.tasks.all()
1261
1262         assert type(self.lazy) is LazyUUIDTaskSet
1263
1264     def test_union(self):
1265         taskset = set([self.task1])
1266         lazyset = LazyUUIDTaskSet(
1267             self.tw,
1268             (self.task2['uuid'], self.task3['uuid'])
1269         )
1270
1271         assert taskset | lazyset == self.lazy
1272         assert lazyset | taskset == self.lazy
1273         assert taskset.union(lazyset) == self.lazy
1274         assert lazyset.union(taskset) == self.lazy
1275
1276         lazyset |= taskset
1277         assert lazyset == self.lazy
1278
1279     def test_difference(self):
1280         taskset = set([self.task1, self.task2])
1281         lazyset = LazyUUIDTaskSet(
1282             self.tw,
1283             (self.task2['uuid'], self.task3['uuid'])
1284         )
1285
1286         assert taskset - lazyset == set([self.task1])
1287         assert lazyset - taskset == set([self.task3])
1288         assert taskset.difference(lazyset) == set([self.task1])
1289         assert lazyset.difference(taskset) == set([self.task3])
1290
1291         lazyset -= taskset
1292         assert lazyset == set([self.task3])
1293
1294     def test_symmetric_difference(self):
1295         taskset = set([self.task1, self.task2])
1296         lazyset = LazyUUIDTaskSet(
1297             self.tw,
1298             (self.task2['uuid'], self.task3['uuid'])
1299         )
1300
1301         assert taskset ^ lazyset == set([self.task1, self.task3])
1302         assert lazyset ^ taskset == set([self.task1, self.task3])
1303         assert taskset.symmetric_difference(lazyset) == set([self.task1, self.task3])
1304         assert lazyset.symmetric_difference(taskset) == set([self.task1, self.task3])
1305
1306         lazyset ^= taskset
1307         assert lazyset == set([self.task1, self.task3])
1308
1309     def test_intersection(self):
1310         taskset = set([self.task1, self.task2])
1311         lazyset = LazyUUIDTaskSet(
1312             self.tw,
1313             (self.task2['uuid'], self.task3['uuid'])
1314         )
1315
1316         assert taskset & lazyset == set([self.task2])
1317         assert lazyset & taskset == set([self.task2])
1318         assert taskset.intersection(lazyset) == set([self.task2])
1319         assert lazyset.intersection(taskset) == set([self.task2])
1320
1321         lazyset &= taskset
1322         assert lazyset == set([self.task2])
1323
1324
1325 class TaskWarriorBackendTest(TasklibTest):
1326
1327     def test_config(self):
1328         assert self.tw.config['nag'] == "You have more urgent tasks."
1329         assert self.tw.config['debug'] == "no"