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# -*- coding: utf-8 -*-
#
# Copyright (c) 2011-2020, Cédric Krier
# Copyright (c) 2011-2020, B2CK
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the <organization> nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import unittest
from sql import Join, Table, AliasManager
from sql.functions import Now
class TestJoin(unittest.TestCase):
def test_join(self):
t1 = Table('t1')
t2 = Table('t2')
join = Join(t1, t2)
with AliasManager():
self.assertEqual(str(join), '"t1" AS "a" INNER JOIN "t2" AS "b"')
self.assertEqual(tuple(join.params), ())
join.condition = t1.c == t2.c
with AliasManager():
self.assertEqual(str(join),
'"t1" AS "a" INNER JOIN "t2" AS "b" ON ("a"."c" = "b"."c")')
def test_join_subselect(self):
t1 = Table('t1')
t2 = Table('t2')
select = t2.select()
join = Join(t1, select)
join.condition = t1.c == select.c
with AliasManager():
self.assertEqual(str(join),
'"t1" AS "a" INNER JOIN (SELECT * FROM "t2" AS "c") AS "b" '
'ON ("a"."c" = "b"."c")')
self.assertEqual(tuple(join.params), ())
def test_join_function(self):
t1 = Table('t1')
join = Join(t1, Now())
with AliasManager():
self.assertEqual(str(join), '"t1" AS "a" INNER JOIN NOW() AS "b"')
self.assertEqual(tuple(join.params), ())
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