Files
deb-python-sqlalchemy-utils/tests/test_utility_functions.py
2013-03-26 13:03:43 +02:00

48 lines
1.7 KiB
Python

import sqlalchemy as sa
from sqlalchemy_utils import escape_like, sort_query
from tests import TestCase
class TestEscapeLike(TestCase):
def test_escapes_wildcards(self):
assert escape_like('_*%') == '*_***%'
class TestSortQuery(TestCase):
def test_without_sort_param_returns_the_query_object_untouched(self):
query = self.session.query(self.Article)
sorted_query = sort_query(query, '')
assert query == sorted_query
def test_sort_by_column_ascending(self):
query = sort_query(self.session.query(self.Article), 'name')
assert 'ORDER BY article.name ASC' in str(query)
def test_sort_by_column_descending(self):
query = sort_query(self.session.query(self.Article), '-name')
assert 'ORDER BY article.name DESC' in str(query)
def test_skips_unknown_columns(self):
query = self.session.query(self.Article)
sorted_query = sort_query(query, '-unknown')
assert query == sorted_query
def test_sort_by_calculated_value_ascending(self):
query = self.session.query(
self.Category, sa.func.count(self.Article.id).label('articles')
)
query = sort_query(query, 'articles')
assert 'ORDER BY articles ASC' in str(query)
def test_sort_by_calculated_value_descending(self):
query = self.session.query(
self.Category, sa.func.count(self.Article.id).label('articles')
)
query = sort_query(query, '-articles')
assert 'ORDER BY articles DESC' in str(query)
def test_sort_by_joined_table_column(self):
query = self.session.query(self.Article).join(self.Article.category)
sorted_query = sort_query(query, 'category-name')
assert 'category.name ASC' in str(sorted_query)