mirror of
https://github.com/samsonjs/vdirsyncer.git
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307 lines
8.2 KiB
Python
307 lines
8.2 KiB
Python
# -*- coding: utf-8 -*-
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'''
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tests.test_sync
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~~~~~~~~~~~~~~~
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:copyright: (c) 2014 Markus Unterwaditzer & contributors
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:license: MIT, see LICENSE for more details.
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'''
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import pytest
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import vdirsyncer.exceptions as exceptions
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from vdirsyncer.storage.base import Item
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from vdirsyncer.storage.memory import MemoryStorage
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from vdirsyncer.sync import BothReadOnly, IdentConflict, StorageEmpty, \
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SyncConflict, sync
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from . import assert_item_equals, blow_up, normalize_item
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def empty_storage(x):
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return list(x.list()) == []
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def test_irrelevant_status():
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a = MemoryStorage()
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b = MemoryStorage()
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status = {'1': ('1', 1234, '1.ics', 2345)}
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sync(a, b, status)
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assert not status
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assert empty_storage(a)
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assert empty_storage(b)
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def test_missing_status():
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a = MemoryStorage()
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b = MemoryStorage()
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status = {}
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item = Item(u'asdf')
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href_a, _ = a.upload(item)
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href_b, _ = b.upload(item)
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sync(a, b, status)
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assert len(status) == 1
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assert a.has(href_a)
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assert b.has(href_b)
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def test_missing_status_and_different_items():
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a = MemoryStorage()
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b = MemoryStorage()
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status = {}
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item1 = Item(u'UID:1\nhaha')
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item2 = Item(u'UID:1\nhoho')
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a.upload(item1)
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b.upload(item2)
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with pytest.raises(SyncConflict):
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sync(a, b, status)
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assert not status
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sync(a, b, status, conflict_resolution='a wins')
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assert_item_equals(item1, b.get('1')[0])
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assert_item_equals(item1, a.get('1')[0])
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def test_upload_and_update():
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a = MemoryStorage(fileext='.a')
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b = MemoryStorage(fileext='.b')
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status = {}
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item = Item(u'UID:1') # new item 1 in a
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a.upload(item)
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sync(a, b, status)
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assert_item_equals(b.get('1.b')[0], item)
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item = Item(u'UID:1\nASDF:YES') # update of item 1 in b
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b.update('1.b', item, b.get('1.b')[1])
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sync(a, b, status)
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assert_item_equals(a.get('1.a')[0], item)
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item2 = Item(u'UID:2') # new item 2 in b
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b.upload(item2)
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sync(a, b, status)
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assert_item_equals(a.get('2.a')[0], item2)
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item2 = Item(u'UID:2\nASDF:YES') # update of item 2 in a
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a.update('2.a', item2, a.get('2.a')[1])
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sync(a, b, status)
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assert_item_equals(b.get('2.b')[0], item2)
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def test_deletion():
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a = MemoryStorage(fileext='.a')
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b = MemoryStorage(fileext='.b')
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status = {}
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item = Item(u'UID:1')
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a.upload(item)
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a.upload(Item(u'UID:2'))
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sync(a, b, status)
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b.delete('1.b', b.get('1.b')[1])
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sync(a, b, status)
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assert not a.has('1.a') and not b.has('1.b')
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a.upload(item)
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sync(a, b, status)
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assert a.has('1.a') and b.has('1.b')
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a.delete('1.a', a.get('1.a')[1])
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sync(a, b, status)
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assert not a.has('1.a') and not b.has('1.b')
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def test_already_synced():
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a = MemoryStorage(fileext='.a')
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b = MemoryStorage(fileext='.b')
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item = Item(u'UID:1')
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a.upload(item)
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b.upload(item)
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status = {
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'1': ('1.a', a.get('1.a')[1], '1.b', b.get('1.b')[1])
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}
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old_status = dict(status)
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a.update = b.update = a.upload = b.upload = \
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lambda *a, **kw: pytest.fail('Method shouldn\'t have been called.')
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for i in (1, 2):
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sync(a, b, status)
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assert status == old_status
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assert a.has('1.a') and b.has('1.b')
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@pytest.mark.parametrize('winning_storage', 'ab')
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def test_conflict_resolution_both_etags_new(winning_storage):
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a = MemoryStorage()
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b = MemoryStorage()
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item = Item(u'UID:1')
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href_a, etag_a = a.upload(item)
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href_b, etag_b = b.upload(item)
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status = {}
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sync(a, b, status)
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assert status
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a.update(href_a, Item(u'UID:1\nitem a'), etag_a)
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b.update(href_b, Item(u'UID:1\nitem b'), etag_b)
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with pytest.raises(SyncConflict):
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sync(a, b, status)
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sync(a, b, status, conflict_resolution='{} wins'.format(winning_storage))
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item_a, _ = a.get(href_a)
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item_b, _ = b.get(href_b)
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assert_item_equals(item_a, item_b)
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n = normalize_item(item_a)
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assert u'UID:1' in n
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assert u'item {}'.format(winning_storage) in n
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def test_updated_and_deleted():
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a = MemoryStorage()
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b = MemoryStorage()
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href_a, etag_a = a.upload(Item(u'UID:1'))
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status = {}
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sync(a, b, status, force_delete=True)
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(href_b, etag_b), = b.list()
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b.delete(href_b, etag_b)
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a.update(href_a, Item(u'UID:1\nupdated'), etag_a)
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sync(a, b, status, force_delete=True)
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assert len(list(a.list())) == len(list(b.list())) == 1
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def test_conflict_resolution_invalid_mode():
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a = MemoryStorage()
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b = MemoryStorage()
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item_a = Item(u'UID:1\nitem a')
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item_b = Item(u'UID:1\nitem b')
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a.upload(item_a)
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b.upload(item_b)
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with pytest.raises(ValueError):
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sync(a, b, {}, conflict_resolution='yolo')
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def test_conflict_resolution_new_etags_without_changes():
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a = MemoryStorage()
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b = MemoryStorage()
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item = Item(u'UID:1')
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href_a, etag_a = a.upload(item)
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href_b, etag_b = b.upload(item)
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status = {'1': (href_a, 'BOGUS_a', href_b, 'BOGUS_b')}
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sync(a, b, status)
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assert status == {'1': (href_a, etag_a, href_b, etag_b)}
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def test_uses_get_multi(monkeypatch):
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def breakdown(*a, **kw):
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raise AssertionError('Expected use of get_multi')
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get_multi_calls = []
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old_get = MemoryStorage.get
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def get_multi(self, hrefs):
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get_multi_calls.append(hrefs)
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for href in hrefs:
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item, etag = old_get(self, href)
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yield href, item, etag
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monkeypatch.setattr(MemoryStorage, 'get', breakdown)
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monkeypatch.setattr(MemoryStorage, 'get_multi', get_multi)
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a = MemoryStorage()
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b = MemoryStorage()
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item = Item(u'UID:1')
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expected_href, etag = a.upload(item)
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sync(a, b, {})
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assert get_multi_calls == [[expected_href]]
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def test_empty_storage_dataloss():
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a = MemoryStorage()
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b = MemoryStorage()
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a.upload(Item(u'UID:1'))
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a.upload(Item(u'UID:2'))
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status = {}
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sync(a, b, status)
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with pytest.raises(StorageEmpty):
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sync(MemoryStorage(), b, status)
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with pytest.raises(StorageEmpty):
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sync(a, MemoryStorage(), status)
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def test_no_uids():
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a = MemoryStorage()
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b = MemoryStorage()
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href_a, _ = a.upload(Item(u'ASDF'))
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href_b, _ = b.upload(Item(u'FOOBAR'))
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status = {}
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sync(a, b, status)
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a_items = set(a.get(href)[0].raw for href, etag in a.list())
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b_items = set(b.get(href)[0].raw for href, etag in b.list())
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assert a_items == b_items == {u'ASDF', u'FOOBAR'}
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def test_both_readonly():
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a = MemoryStorage(read_only=True)
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b = MemoryStorage(read_only=True)
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assert a.read_only
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assert b.read_only
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status = {}
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with pytest.raises(BothReadOnly):
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sync(a, b, status)
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def test_readonly():
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a = MemoryStorage()
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b = MemoryStorage()
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status = {}
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href_a, _ = a.upload(Item(u'UID:1'))
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href_b, _ = b.upload(Item(u'UID:2'))
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b.read_only = True
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with pytest.raises(exceptions.ReadOnlyError):
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b.upload(Item(u'UID:3'))
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sync(a, b, status)
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assert len(status) == 2 and a.has(href_a) and not b.has(href_a)
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sync(a, b, status)
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assert len(status) == 1 and not a.has(href_a) and not b.has(href_a)
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@pytest.mark.parametrize('sync_inbetween', (True, False))
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def test_ident_conflict(sync_inbetween):
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a = MemoryStorage()
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b = MemoryStorage()
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status = {}
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href_a, etag_a = a.upload(Item(u'UID:aaa'))
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href_b, etag_b = a.upload(Item(u'UID:bbb'))
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if sync_inbetween:
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sync(a, b, status)
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a.update(href_a, Item(u'UID:xxx'), etag_a)
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a.update(href_b, Item(u'UID:xxx'), etag_b)
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with pytest.raises(IdentConflict):
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sync(a, b, status)
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def test_moved_href():
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'''
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Concrete application: ppl_ stores contact aliases in filenames, which means
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item's hrefs get changed. Vdirsyncer doesn't synchronize this data, but
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also shouldn't do things like deleting and re-uploading to the server.
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.. _ppl: http://ppladdressbook.org/
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'''
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a = MemoryStorage()
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b = MemoryStorage()
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status = {}
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href, etag = a.upload(Item(u'UID:haha'))
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sync(a, b, status)
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b.items['lol'] = b.items.pop('haha')
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a.delete = a.update = a.upload = blow_up
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sync(a, b, status)
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assert len(status) == 1
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assert len(list(a.list())) == len(list(b.list())) == 1
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assert status['haha'][2] == 'haha'
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