def test_wrong_page_size(self, session, page_number, page_size):
query = session.query(User)
with pytest.raises(InvalidPage) as err:
apply_pagination(query, page_number, page_size)
expected_error = 'Page size should not be negative: {}'.format(
page_size)
assert error_value(err) == expected_error
def test_invalid_direction(self, session):
query = session.query(User)
order_by = [{'field': 'name', 'direction': 'invalid_direction'}]
with pytest.raises(BadSortFormat) as err:
apply_sort(query, order_by)
expected_error = 'Direction `invalid_direction` not valid.'
assert expected_error == error_value(err)
def test_direction_not_provided(self, session):
query = session.query(User)
order_by = [{'field': 'name'}]
with pytest.raises(BadSortFormat) as err:
apply_sort(query, order_by)
expected_error = '`field` and `direction` are mandatory attributes.'
assert expected_error == error_value(err)
def test_wrong_sort_format(self, session, sort):
query = session.query(User)
order_by = [sort]
with pytest.raises(BadSortFormat) as err:
apply_sort(query, order_by)
expected_error = 'Sort spec `{}` should be a dictionary.'.format(sort)
assert expected_error == error_value(err)
def test_wrong_page_number_with_no_results(self, session, page_number,
page_size):
query = session.query(User)
with pytest.raises(InvalidPage) as err:
apply_pagination(query, page_number, page_size)
expected_error = 'Page number should be positive: {}'.format(
page_number)
assert error_value(err) == expected_error
def test_invalid_field(self, session):
query = session.query(User)
order_by = [{'field': 'invalid_field', 'direction': 'asc'}]
with pytest.raises(FieldNotFound) as err:
apply_sort(query, order_by)
expected_error = (
"Model <class 'orm.orm_data_access.models.User'> has no column `invalid_field`."
)
assert expected_error == error_value(err)