/usr/lib/python2.7/dist-packages/sql/tests/test_with.py is in python-sql 0.8-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | # -*- coding: utf-8 -*-
#
# Copyright (c) 2014, Nicolas Évrard
# Copyright (c) 2014, 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
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# 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
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import unittest
from sql import AliasManager, Table, Literal, Values, With, WithQuery
class TestWith(unittest.TestCase):
table = Table('t')
def test_with(self):
with AliasManager():
simple = With(query=self.table.select(self.table.id,
where=self.table.id == 1))
self.assertEqual(simple.statement(),
'"a" AS ('
'SELECT "b"."id" FROM "t" AS "b" WHERE ("b"."id" = %s)'
')')
self.assertEqual(simple.statement_params(), (1,))
def test_with_columns(self):
with AliasManager():
second = With('a', query=self.table.select(self.table.a))
self.assertEqual(second.statement(),
'"a"("a") AS ('
'SELECT "b"."a" FROM "t" AS "b"'
')')
self.assertEqual(second.statement_params(), ())
def test_with_query(self):
with AliasManager():
simple = With()
simple.query = self.table.select(self.table.id,
where=self.table.id == 1)
second = With()
second.query = simple.select()
wq = WithQuery(with_=[simple, second])
self.assertEqual(wq._with_str(),
'WITH "a" AS ('
'SELECT "b"."id" FROM "t" AS "b" WHERE ("b"."id" = %s)'
'), "c" AS ('
'SELECT * FROM "a" AS "a"'
') ')
self.assertEqual(wq._with_params(), (1,))
def test_recursive(self):
upto10 = With('n', recursive=True)
upto10.query = Values([(1,)])
upto10.query |= upto10.select(
upto10.n + Literal(1),
where=upto10.n < Literal(100))
upto10.query.all_ = True
q = upto10.select(with_=[upto10])
self.assertEqual(str(q),
'WITH RECURSIVE "a"("n") AS ('
'VALUES (%s) '
'UNION ALL '
'SELECT ("a"."n" + %s) FROM "a" AS "a" WHERE ("a"."n" < %s)'
') SELECT * FROM "a" AS "a"')
self.assertEqual(q.params, (1, 1, 100))
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