Files
sqlalchemy/test/dialect/firebird.py
T
2008-01-04 03:13:20 +00:00

106 lines
4.4 KiB
Python

import testbase
from sqlalchemy import *
from sqlalchemy.databases import firebird
from sqlalchemy.exceptions import ProgrammingError
from sqlalchemy.sql import table, column
from testlib import *
class DomainReflectionTest(AssertMixin):
"Test Firebird domains"
__only_on__ = 'firebird'
def setUpAll(self):
con = testbase.db.connect()
try:
con.execute('CREATE DOMAIN int_domain AS INTEGER DEFAULT 42 NOT NULL')
con.execute('CREATE DOMAIN str_domain AS VARCHAR(255)')
con.execute('CREATE DOMAIN rem_domain AS BLOB SUB_TYPE TEXT')
con.execute('CREATE DOMAIN img_domain AS BLOB SUB_TYPE BINARY')
except ProgrammingError, e:
if not "attempt to store duplicate value" in str(e):
raise e
con.execute('''CREATE TABLE testtable (question int_domain,
answer str_domain DEFAULT 'no answer',
remark rem_domain,
photo img_domain,
d date,
t time,
dt timestamp)''')
def tearDownAll(self):
con = testbase.db.connect()
con.execute('DROP TABLE testtable')
con.execute('DROP DOMAIN int_domain')
con.execute('DROP DOMAIN str_domain')
con.execute('DROP DOMAIN rem_domain')
con.execute('DROP DOMAIN img_domain')
def test_table_is_reflected(self):
metadata = MetaData(testbase.db)
table = Table('testtable', metadata, autoload=True)
self.assertEquals(set(table.columns.keys()),
set(['question', 'answer', 'remark', 'photo', 'd', 't', 'dt']),
"Columns of reflected table didn't equal expected columns")
self.assertEquals(table.c.question.type.__class__, firebird.FBInteger)
self.assertEquals(table.c.question.default.arg.text, "42")
self.assertEquals(table.c.answer.type.__class__, firebird.FBString)
self.assertEquals(table.c.answer.default.arg.text, "'no answer'")
self.assertEquals(table.c.remark.type.__class__, firebird.FBText)
self.assertEquals(table.c.photo.type.__class__, firebird.FBBinary)
# The following assume a Dialect 3 database
self.assertEquals(table.c.d.type.__class__, firebird.FBDate)
self.assertEquals(table.c.t.type.__class__, firebird.FBTime)
self.assertEquals(table.c.dt.type.__class__, firebird.FBDateTime)
class CompileTest(SQLCompileTest):
__dialect__ = firebird.FBDialect()
def test_alias(self):
t = table('sometable', column('col1'), column('col2'))
s = select([t.alias()])
self.assert_compile(s, "SELECT sometable_1.col1, sometable_1.col2 FROM sometable sometable_1")
def test_function(self):
self.assert_compile(func.foo(1, 2), "foo(:foo_1, :foo_2)")
self.assert_compile(func.current_time(), "CURRENT_TIME")
self.assert_compile(func.foo(), "foo")
m = MetaData()
t = Table('sometable', m, Column('col1', Integer), Column('col2', Integer))
self.assert_compile(select([func.max(t.c.col1)]), "SELECT max(sometable.col1) AS max_1 FROM sometable")
class MiscFBTests(PersistTest):
__only_on__ = 'firebird'
def test_strlen(self):
# On FB the length() function is implemented by an external
# UDF, strlen(). Various SA tests fail because they pass a
# parameter to it, and that does not work (it always results
# the maximum string length the UDF was declared to accept).
# This test checks that at least it works ok in other cases.
meta = MetaData(testbase.db)
t = Table('t1', meta,
Column('id', Integer, Sequence('t1idseq'), primary_key=True),
Column('name', String(10))
)
meta.create_all()
try:
t.insert(values=dict(name='dante')).execute()
t.insert(values=dict(name='alighieri')).execute()
select([func.count(t.c.id)],func.length(t.c.name)==5).execute().fetchone()[0] == 1
finally:
meta.drop_all()
def test_server_version_info(self):
version = testbase.db.dialect.server_version_info(testbase.db.connect())
assert len(version) == 3, "Got strange version info: %s" % repr(version)
if __name__ == '__main__':
testbase.main()