/usr/lib/python2.7/dist-packages/sql/tests/test_select.py is in python-sql 0.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | # -*- coding: utf-8 -*-
#
# Copyright (c) 2011-2013, Cédric Krier
# Copyright (c) 2013, Nicolas Évrard
# Copyright (c) 2011-2013, 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 Table, Join, Union, Literal, Flavor, For
from sql.functions import Now, Function
from sql.aggregate import Min
class TestSelect(unittest.TestCase):
table = Table('t')
def test_select1(self):
query = self.table.select()
self.assertEqual(str(query), 'SELECT * FROM "t" AS "a"')
self.assertEqual(query.params, ())
def test_select2(self):
query = self.table.select(self.table.c)
self.assertEqual(str(query), 'SELECT "a"."c" FROM "t" AS "a"')
self.assertEqual(query.params, ())
query.columns += (self.table.c2,)
self.assertEqual(str(query),
'SELECT "a"."c", "a"."c2" FROM "t" AS "a"')
def test_select3(self):
query = self.table.select(where=(self.table.c == 'foo'))
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a" WHERE ("a"."c" = %s)')
self.assertEqual(query.params, ('foo',))
def test_select_from_list(self):
t2 = Table('t2')
t3 = Table('t3')
query = (self.table + t2 + t3).select(self.table.c, getattr(t2, '*'))
self.assertEqual(str(query),
'SELECT "a"."c", "b".* FROM "t" AS "a", "t2" AS "b", "t3" AS "c"')
self.assertEqual(query.params, ())
def test_select_union(self):
query1 = self.table.select()
query2 = Table('t2').select()
union = query1 | query2
self.assertEqual(str(union),
'SELECT * FROM "t" AS "a" UNION SELECT * FROM "t2" AS "b"')
union.all_ = True
self.assertEqual(str(union),
'SELECT * FROM "t" AS "a" UNION ALL '
'SELECT * FROM "t2" AS "b"')
self.assertEqual(str(union.select()),
'SELECT * FROM ('
'SELECT * FROM "t" AS "b" UNION ALL '
'SELECT * FROM "t2" AS "c") AS "a"')
query1.where = self.table.c == 'foo'
self.assertEqual(str(union),
'SELECT * FROM "t" AS "a" WHERE ("a"."c" = %s) UNION ALL '
'SELECT * FROM "t2" AS "b"')
self.assertEqual(union.params, ('foo',))
union = Union(query1)
self.assertEqual(str(union), str(query1))
self.assertEqual(union.params, query1.params)
def test_select_union_order(self):
query1 = self.table.select()
query2 = Table('t2').select()
union = query1 | query2
union.order_by = Literal(1)
self.assertEqual(str(union),
'SELECT * FROM "t" AS "a" UNION '
'SELECT * FROM "t2" AS "b" '
'ORDER BY %s')
self.assertEqual(union.params, (1,))
def test_select_intersect(self):
query1 = self.table.select()
query2 = Table('t2').select()
intersect = query1 & query2
self.assertEqual(str(intersect),
'SELECT * FROM "t" AS "a" INTERSECT SELECT * FROM "t2" AS "b"')
def test_select_except(self):
query1 = self.table.select()
query2 = Table('t2').select()
except_ = query1 - query2
self.assertEqual(str(except_),
'SELECT * FROM "t" AS "a" EXCEPT SELECT * FROM "t2" AS "b"')
def test_select_join(self):
t1 = Table('t1')
t2 = Table('t2')
join = Join(t1, t2)
self.assertEqual(str(join.select()),
'SELECT * FROM "t1" AS "a" INNER JOIN "t2" AS "b"')
self.assertEqual(str(join.select(getattr(t1, '*'))),
'SELECT "a".* FROM "t1" AS "a" INNER JOIN "t2" AS "b"')
def test_select_subselect(self):
t1 = Table('t1')
select = t1.select()
self.assertEqual(str(select.select()),
'SELECT * FROM (SELECT * FROM "t1" AS "b") AS "a"')
self.assertEqual(select.params, ())
def test_select_function(self):
query = Now().select()
self.assertEqual(str(query), 'SELECT * FROM NOW() AS "a"')
self.assertEqual(query.params, ())
def test_select_function_columns_definitions(self):
class Crosstab(Function):
_function = 'CROSSTAB'
query = Crosstab('query1', 'query2',
columns_definitions=[
('c1', 'INT'), ('c2', 'CHAR'), ('c3', 'BOOL')]).select()
self.assertEqual(str(query), 'SELECT * FROM CROSSTAB(%s, %s) '
'AS "a" ("c1" INT, "c2" CHAR, "c3" BOOL)')
self.assertEqual(query.params, ('query1', 'query2'))
def test_select_group_by(self):
column = self.table.c
query = self.table.select(column, group_by=column)
self.assertEqual(str(query),
'SELECT "a"."c" FROM "t" AS "a" GROUP BY "a"."c"')
self.assertEqual(query.params, ())
output = column.as_('c1')
query = self.table.select(output, group_by=output)
self.assertEqual(str(query),
'SELECT "a"."c" AS "c1" FROM "t" AS "a" GROUP BY "c1"')
self.assertEqual(query.params, ())
query = self.table.select(Literal('foo'), group_by=Literal('foo'))
self.assertEqual(str(query),
'SELECT %s FROM "t" AS "a" GROUP BY %s')
self.assertEqual(query.params, ('foo', 'foo'))
def test_select_having(self):
col1 = self.table.col1
col2 = self.table.col2
query = self.table.select(col1, Min(col2),
having=(Min(col2) > 3))
self.assertEqual(str(query),
'SELECT "a"."col1", MIN("a"."col2") FROM "t" AS "a" '
'HAVING (MIN("a"."col2") > %s)')
self.assertEqual(query.params, (3,))
def test_select_order(self):
c = self.table.c
query = self.table.select(c, order_by=Literal(1))
self.assertEqual(str(query),
'SELECT "a"."c" FROM "t" AS "a" ORDER BY %s')
self.assertEqual(query.params, (1,))
def test_select_limit_offset(self):
query = self.table.select(limit=50, offset=10)
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a" LIMIT 50 OFFSET 10')
self.assertEqual(query.params, ())
query.limit = None
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a" OFFSET 10')
self.assertEqual(query.params, ())
query.offset = 0
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a"')
self.assertEqual(query.params, ())
flavor = Flavor(max_limit=-1)
Flavor.set(flavor)
try:
query.offset = None
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a"')
self.assertEqual(query.params, ())
query.offset = 0
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a"')
self.assertEqual(query.params, ())
query.offset = 10
self.assertEqual(str(query),
'SELECT * FROM "t" AS "a" LIMIT -1 OFFSET 10')
self.assertEqual(query.params, ())
finally:
Flavor.set(Flavor())
def test_select_for(self):
c = self.table.c
query = self.table.select(c, for_=For('UPDATE'))
self.assertEqual(str(query),
'SELECT "a"."c" FROM "t" AS "a" FOR UPDATE')
self.assertEqual(query.params, ())
|