def test_last_revision_number_do_not_depend_on_store_name(self):
with override_settings(ST_STORES_DATA_DIR=self.temp_dir.name):
ds_manager = DataStorageManager(self._func_name() + '1')
with ds_manager.save('file1.xml') as buffer:
buffer.write(b'data part 1')
self.assertEqual(ds_manager.last_revision_number(),
DataStorageManager.FIRST_REV_NUMBER)
ds_manager = DataStorageManager(self._func_name() + '2')
with ds_manager.save('file1.xml') as buffer:
buffer.write(b'data part 1')
self.assertEqual(ds_manager.last_revision_number(),
DataStorageManager.FIRST_REV_NUMBER)
def test_get_raises_no_file_when_there_is_no_file(self):
with override_settings(ST_STORES_DATA_DIR=self.temp_dir.name):
ds_manager = DataStorageManager(self._func_name())
with ds_manager.save('file.xml') as buffer:
buffer.write(b'data part 1')
with self.assertRaises(DataStorageManager.NoFile):
ds_manager.get('other_file.xml')
def test_get_raises_no_revision_for_not_existing_revision(self):
with override_settings(ST_STORES_DATA_DIR=self.temp_dir.name):
ds_manager = DataStorageManager(self._func_name())
with ds_manager.save('file.xml') as buffer:
buffer.write(b'data part 1')
with self.assertRaises(DataStorageManager.NoRevision):
ds_manager.get('file.xml', revision=999)
def test_data_are_saved(self):
with override_settings(ST_STORES_DATA_DIR=self.temp_dir.name):
ds_manager = DataStorageManager(self._func_name())
with ds_manager.save('file.xml') as buffer:
buffer.write(b'data part 1')
buffer.write(b'data part 2')
content = ds_manager.get('file.xml')
self.assertEqual(content, 'data part 1data part 2')
def test_last_revision_number_increase_after_each_save(self):
with override_settings(ST_STORES_DATA_DIR=self.temp_dir.name):
ds_manager = DataStorageManager(self._func_name())
with ds_manager.save('file.xml') as buffer:
buffer.write(b'data part 1')
self.assertEqual(ds_manager.last_revision_number(),
DataStorageManager.FIRST_REV_NUMBER)
with ds_manager.save('file.xml') as buffer:
buffer.write(b'data part 1')
buffer.write(b'data part 2')
self.assertEqual(ds_manager.last_revision_number(),
DataStorageManager.FIRST_REV_NUMBER + 1)
def test_last_revision_number_raises_no_revisions_at_the_beginning(self):
with override_settings(ST_STORES_DATA_DIR=self.temp_dir.name):
ds_manager = DataStorageManager(self._func_name())
with self.assertRaises(DataStorageManager.NoRevision):
ds_manager.last_revision_number()
def __init__(self, store_config):
self.name = store_config['name']
self.store_url = store_config['url']
self.url = store_config['data_source']['url']
self.type = store_config['data_source']['type']
self.ds_manager = DataStorageManager(self.name)
