def test_open_content_when_already_opened(self):
tree = FakeTree()
tree._add_file(
('path', 'to', 'db', 'content'),
testdata.dbfiledata('content-1'))
content = datafile.get_unopened_content(tree, ('path', 'to', 'db'))
content.open_and_lock_readonly()
self.assertRaisesRegex(
AssertionError, 'already open', content.open_and_lock_readonly)
def test_access_content_without_opening_it(self):
tree = FakeTree()
tree._add_file(
('path', 'to', 'db', 'content'),
testdata.dbfiledata('content-1'))
content = datafile.get_unopened_content(tree, ('path', 'to', 'db'))
self.assertRaisesRegex(AssertionError, 'is not open', next, content)
self.assertRaisesRegex(
AssertionError, 'is not open',
content.append_item, datafile.ItemSetting(b'key', b'value'))
def test_access_content_after_closing_it(self):
tree = FakeTree()
tree._add_file(
('path', 'to', 'db', 'content'),
testdata.dbfiledata('content-1'))
content = datafile.get_unopened_content(tree, ('path', 'to', 'db'))
content.open_and_lock_readonly()
item = next(content)
self.assertEqual('magic', item.kind)
self.assertEqual(b'ebakup content data', item.value)
content.close()
self.assertRaisesRegex(AssertionError, 'is not open', next, content)
self.assertRaisesRegex(
AssertionError, 'is not open',
content.append_item, datafile.ItemSetting(b'key', b'value'))
def test_get_unopened_content(self):
expect = StandardItemData()
expect.load_content_1()
tree = FakeTree()
tree._add_file(
('path', 'to', 'db', 'content'),
testdata.dbfiledata('content-1'))
content = datafile.get_unopened_content(tree, ('path', 'to', 'db'))
content.open_and_lock_readonly()
self.assertEqual(6, len(expect.items))
# Don't read to the end before closing, to test that
# re-opening the file really starts at the beginning.
self.assertItemSequence(expect.items[:4], content)
content.close()
content.open_and_lock_readonly()
self.assertItemSequence(expect.items, content)
self.assertRaises(StopIteration, next, content)
self.assertRaises(StopIteration, next, content)
self.assertRaises(StopIteration, next, content)
content.close()
self.assertCountEqual((), tree._files_modified)
def __init__(self, db):
self._db = db
self._dbfile = datafile.get_unopened_content(db._tree, db._path)
self._read_file()
def test_get_and_open_content_when_it_does_not_exist(self):
tree = FakeTree()
tree._add_directory(('path', 'to', 'db'))
content = datafile.get_unopened_content(tree, ('path', 'to', 'db'))
self.assertRaises(FileNotFoundError, content.open_and_lock_readonly)