def test_rename_to_existing_table(testdb, fs):
fs.create_file(template.path('table1'))
with pytest.raises(DestinationExistsError) as excinfo:
commands.rename('table1', 'table2')
assert str(excinfo.value) == 'Action cancelled: a table named "table2" '\
'already exists. Please rename or remove it before using this name.'
def test_rename(testdb, fs, mocker):
m = mocker.patch('memini.core.database.rename_table')
fs.create_file(template.path('table1'))
commands.rename('table1', 'table3')
assert os.path.exists(template.path('table3'))
assert not os.path.exists(template.path('table1'))
m.assert_called_with('table1', 'table3')
def test_rename_missing_template(testdb, fs, mocker):
# No template for source table: automatic creation
def create_fake_template(*args):
fs.create_file(template.path('table1'))
m = mocker.patch('memini.core.template.create',
side_effect=create_fake_template)
commands.rename('table1', 'table4')
m.assert_called_with('table1')
assert os.path.exists(template.path('table4'))
assert not os.path.exists(template.path('table1'))
assert database.table_exists('table4')
assert not database.table_exists('table1')
def test_rename_nonexistent_table(testdb):
with pytest.raises(NoSuchTableError) as excinfo:
commands.rename('nonexistent', 'newname')
assert str(excinfo.value) == 'Cannot find a table named "nonexistent"'