def test_field_rendering(self):
""" tests that fields are properly added to the select statement """
ss = SelectStatement('table', ['f1', 'f2'])
self.assertTrue(
six.text_type(ss).startswith('SELECT "f1", "f2"'),
six.text_type(ss))
self.assertTrue(str(ss).startswith('SELECT "f1", "f2"'), str(ss))
def test_count(self):
ss = SelectStatement('table', count=True, limit=10, order_by='d')
ss.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
self.assertEqual(
six.text_type(ss),
'SELECT COUNT(*) FROM table WHERE "a" = %(0)s LIMIT 10',
six.text_type(ss))
self.assertIn('LIMIT', six.text_type(ss))
self.assertNotIn('ORDER', six.text_type(ss))
def test_additional_rendering(self):
ss = SelectStatement('table',
None,
order_by=['x', 'y'],
limit=15,
allow_filtering=True)
qstr = six.text_type(ss)
self.assertIn('LIMIT 15', qstr)
self.assertIn('ORDER BY x, y', qstr)
self.assertIn('ALLOW FILTERING', qstr)
def test_context_id_update(self):
""" tests that the right things happen the the context id """
ss = SelectStatement('table')
ss.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
self.assertEqual(ss.get_context(), {'0': 'b'})
self.assertEqual(str(ss), 'SELECT * FROM table WHERE "a" = %(0)s')
ss.update_context_id(5)
self.assertEqual(ss.get_context(), {'5': 'b'})
self.assertEqual(str(ss), 'SELECT * FROM table WHERE "a" = %(5)s')
def _select_query(self):
"""
Returns a select clause based on the given filter args
"""
if self._where:
self._validate_select_where()
return SelectStatement(self.column_family_name,
fields=self._select_fields(),
where=self._where,
order_by=self._order,
limit=self._limit,
allow_filtering=self._allow_filtering)
def test_single_field_is_listified(self):
""" tests that passing a string field into the constructor puts it into a list """
ss = SelectStatement('table', 'field')
self.assertEqual(ss.fields, ['field'])
def test_context(self):
ss = SelectStatement('table')
ss.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
self.assertEqual(ss.get_context(), {'0': 'b'})
def test_where_clause_rendering(self):
ss = SelectStatement('table')
ss.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
self.assertEqual(six.text_type(ss),
'SELECT * FROM table WHERE "a" = %(0)s',
six.text_type(ss))
def test_table_rendering(self):
ss = SelectStatement('table')
self.assertTrue(
six.text_type(ss).startswith('SELECT * FROM table'),
six.text_type(ss))
self.assertTrue(str(ss).startswith('SELECT * FROM table'), str(ss))
def test_none_fields_rendering(self):
""" tests that a '*' is added if no fields are passed in """
ss = SelectStatement('table')
self.assertTrue(
six.text_type(ss).startswith('SELECT *'), six.text_type(ss))
self.assertTrue(str(ss).startswith('SELECT *'), str(ss))