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from testbase import PersistTest, AssertMixin
import testbase
from sqlalchemy import *
from sqlalchemy.databases import mysql
import sys, StringIO
db = testbase.db
class TypesTest(AssertMixin):
"Test MySQL column types"
@testbase.supported('mysql')
def test_numeric(self):
"Exercise type specification and options for numeric types."
columns = [
# column type, args, kwargs, expected ddl
# e.g. Column(Integer(10, unsigned=True)) == 'INTEGER(10) UNSIGNED'
(mysql.MSNumeric, [], {},
'NUMERIC(10, 2)'),
(mysql.MSNumeric, [None], {},
'NUMERIC'),
(mysql.MSNumeric, [12], {},
'NUMERIC(12, 2)'),
(mysql.MSNumeric, [12, 4], {'unsigned':True},
'NUMERIC(12, 4) UNSIGNED'),
(mysql.MSNumeric, [12, 4], {'zerofill':True},
'NUMERIC(12, 4) ZEROFILL'),
(mysql.MSNumeric, [12, 4], {'zerofill':True, 'unsigned':True},
'NUMERIC(12, 4) UNSIGNED ZEROFILL'),
(mysql.MSDecimal, [], {},
'DECIMAL(10, 2)'),
(mysql.MSDecimal, [None], {},
'DECIMAL'),
(mysql.MSDecimal, [12], {},
'DECIMAL(12, 2)'),
(mysql.MSDecimal, [12, None], {},
'DECIMAL(12)'),
(mysql.MSDecimal, [12, 4], {'unsigned':True},
'DECIMAL(12, 4) UNSIGNED'),
(mysql.MSDecimal, [12, 4], {'zerofill':True},
'DECIMAL(12, 4) ZEROFILL'),
(mysql.MSDecimal, [12, 4], {'zerofill':True, 'unsigned':True},
'DECIMAL(12, 4) UNSIGNED ZEROFILL'),
(mysql.MSDouble, [None, None], {},
'DOUBLE'),
(mysql.MSDouble, [12], {},
'DOUBLE(12, 2)'),
(mysql.MSDouble, [12, 4], {'unsigned':True},
'DOUBLE(12, 4) UNSIGNED'),
(mysql.MSDouble, [12, 4], {'zerofill':True},
'DOUBLE(12, 4) ZEROFILL'),
(mysql.MSDouble, [12, 4], {'zerofill':True, 'unsigned':True},
'DOUBLE(12, 4) UNSIGNED ZEROFILL'),
(mysql.MSFloat, [], {},
'FLOAT(10)'),
(mysql.MSFloat, [None], {},
'FLOAT'),
(mysql.MSFloat, [12], {},
'FLOAT(12)'),
(mysql.MSFloat, [12, 4], {},
'FLOAT(12, 4)'),
(mysql.MSFloat, [12, 4], {'unsigned':True},
'FLOAT(12, 4) UNSIGNED'),
(mysql.MSFloat, [12, 4], {'zerofill':True},
'FLOAT(12, 4) ZEROFILL'),
(mysql.MSFloat, [12, 4], {'zerofill':True, 'unsigned':True},
'FLOAT(12, 4) UNSIGNED ZEROFILL'),
(mysql.MSInteger, [], {},
'INTEGER'),
(mysql.MSInteger, [4], {},
'INTEGER(4)'),
(mysql.MSInteger, [4], {'unsigned':True},
'INTEGER(4) UNSIGNED'),
(mysql.MSInteger, [4], {'zerofill':True},
'INTEGER(4) ZEROFILL'),
(mysql.MSInteger, [4], {'zerofill':True, 'unsigned':True},
'INTEGER(4) UNSIGNED ZEROFILL'),
(mysql.MSBigInteger, [], {},
'BIGINT'),
(mysql.MSBigInteger, [4], {},
'BIGINT(4)'),
(mysql.MSBigInteger, [4], {'unsigned':True},
'BIGINT(4) UNSIGNED'),
(mysql.MSBigInteger, [4], {'zerofill':True},
'BIGINT(4) ZEROFILL'),
(mysql.MSBigInteger, [4], {'zerofill':True, 'unsigned':True},
'BIGINT(4) UNSIGNED ZEROFILL'),
(mysql.MSSmallInteger, [], {},
'SMALLINT'),
(mysql.MSSmallInteger, [4], {},
'SMALLINT(4)'),
(mysql.MSSmallInteger, [4], {'unsigned':True},
'SMALLINT(4) UNSIGNED'),
(mysql.MSSmallInteger, [4], {'zerofill':True},
'SMALLINT(4) ZEROFILL'),
(mysql.MSSmallInteger, [4], {'zerofill':True, 'unsigned':True},
'SMALLINT(4) UNSIGNED ZEROFILL'),
]
table_args = ['test_mysql_numeric', db]
for index, spec in enumerate(columns):
type_, args, kw, res = spec
table_args.append(Column('c%s' % index, type_(*args, **kw)))
numeric_table = Table(*table_args)
gen = db.dialect.schemagenerator(db, None, None)
for col in numeric_table.c:
index = int(col.name[1:])
self.assertEquals(gen.get_column_specification(col),
"%s %s" % (col.name, columns[index][3]))
try:
numeric_table.create(checkfirst=True)
assert True
except:
raise
numeric_table.drop()
@testbase.supported('mysql')
def test_charset(self):
"""Exercise CHARACTER SET and COLLATE-related options on string-type
columns."""
columns = [
(mysql.MSChar, [1], {},
'CHAR(1)'),
(mysql.MSChar, [1], {'binary':True},
'CHAR(1) BINARY'),
(mysql.MSChar, [1], {'ascii':True},
'CHAR(1) ASCII'),
(mysql.MSChar, [1], {'unicode':True},
'CHAR(1) UNICODE'),
(mysql.MSChar, [1], {'ascii':True, 'binary':True},
'CHAR(1) ASCII BINARY'),
(mysql.MSChar, [1], {'unicode':True, 'binary':True},
'CHAR(1) UNICODE BINARY'),
(mysql.MSChar, [1], {'charset':'utf8'},
'CHAR(1) CHARACTER SET utf8'),
(mysql.MSChar, [1], {'charset':'utf8', 'binary':True},
'CHAR(1) CHARACTER SET utf8 BINARY'),
(mysql.MSChar, [1], {'charset':'utf8', 'unicode':True},
'CHAR(1) CHARACTER SET utf8'),
(mysql.MSChar, [1], {'charset':'utf8', 'ascii':True},
'CHAR(1) CHARACTER SET utf8'),
(mysql.MSChar, [1], {'collation': 'utf8_bin'},
'CHAR(1) COLLATE utf8_bin'),
(mysql.MSChar, [1], {'charset': 'utf8', 'collation': 'utf8_bin'},
'CHAR(1) CHARACTER SET utf8 COLLATE utf8_bin'),
(mysql.MSChar, [1], {'charset': 'utf8', 'binary': True},
'CHAR(1) CHARACTER SET utf8 BINARY'),
(mysql.MSChar, [1], {'charset': 'utf8', 'collation': 'utf8_bin',
'binary': True},
'CHAR(1) CHARACTER SET utf8 COLLATE utf8_bin'),
(mysql.MSChar, [1], {'national':True},
'NATIONAL CHAR(1)'),
(mysql.MSChar, [1], {'national':True, 'charset':'utf8'},
'NATIONAL CHAR(1)'),
(mysql.MSChar, [1], {'national':True, 'charset':'utf8', 'binary':True},
'NATIONAL CHAR(1) BINARY'),
(mysql.MSChar, [1], {'national':True, 'binary':True, 'unicode':True},
'NATIONAL CHAR(1) BINARY'),
(mysql.MSChar, [1], {'national':True, 'collation':'utf8_bin'},
'NATIONAL CHAR(1) COLLATE utf8_bin'),
(mysql.MSString, [1], {'charset':'utf8', 'collation':'utf8_bin'},
'VARCHAR(1) CHARACTER SET utf8 COLLATE utf8_bin'),
(mysql.MSString, [1], {'national':True, 'collation':'utf8_bin'},
'NATIONAL VARCHAR(1) COLLATE utf8_bin'),
(mysql.MSTinyText, [], {'charset':'utf8', 'collation':'utf8_bin'},
'TINYTEXT CHARACTER SET utf8 COLLATE utf8_bin'),
(mysql.MSMediumText, [], {'charset':'utf8', 'binary':True},
'MEDIUMTEXT CHARACTER SET utf8 BINARY'),
(mysql.MSLongText, [], {'ascii':True},
'LONGTEXT ASCII'),
(mysql.MSEnum, ["'foo'", "'bar'"], {'unicode':True},
'''ENUM('foo','bar') UNICODE''')
]
table_args = ['test_mysql_charset', db]
for index, spec in enumerate(columns):
type_, args, kw, res = spec
table_args.append(Column('c%s' % index, type_(*args, **kw)))
charset_table = Table(*table_args)
gen = db.dialect.schemagenerator(db, None, None)
for col in charset_table.c:
index = int(col.name[1:])
self.assertEquals(gen.get_column_specification(col),
"%s %s" % (col.name, columns[index][3]))
try:
charset_table.create(checkfirst=True)
assert True
except:
raise
charset_table.drop()
@testbase.supported('mysql')
def test_enum(self):
"Exercise the ENUM type"
enum_table = Table('mysql_enum', db,
Column('e1', mysql.MSEnum('"a"', "'b'")),
Column('e2', mysql.MSEnum('"a"', "'b'"), nullable=False),
Column('e3', mysql.MSEnum('"a"', "'b'", strict=True)),
Column('e4', mysql.MSEnum('"a"', "'b'", strict=True), nullable=False))
spec = lambda c: db.dialect.schemagenerator(db, None, None).get_column_specification(c)
self.assertEqual(spec(enum_table.c.e1), """e1 ENUM("a",'b')""")
self.assertEqual(spec(enum_table.c.e2), """e2 ENUM("a",'b') NOT NULL""")
self.assertEqual(spec(enum_table.c.e3), """e3 ENUM("a",'b')""")
self.assertEqual(spec(enum_table.c.e4), """e4 ENUM("a",'b') NOT NULL""")
enum_table.drop(checkfirst=True)
enum_table.create()
try:
enum_table.insert().execute(e1=None, e2=None, e3=None, e4=None)
self.assert_(False)
except exceptions.SQLError:
self.assert_(True)
try:
enum_table.insert().execute(e1='c', e2='c', e3='c', e4='c')
self.assert_(False)
except exceptions.InvalidRequestError:
self.assert_(True)
enum_table.insert().execute()
enum_table.insert().execute(e1='a', e2='a', e3='a', e4='a')
enum_table.insert().execute(e1='b', e2='b', e3='b', e4='b')
# Insert out of range enums, push stderr aside to avoid expected
# warnings cluttering test output
con = db.connect()
if not hasattr(con.connection, 'show_warnings'):
con.execute(insert(enum_table, {'e1':'c', 'e2':'c',
'e3':'a', 'e4':'a'}))
else:
try:
aside = sys.stderr
sys.stderr = StringIO.StringIO()
self.assert_(not con.connection.show_warnings())
con.execute(insert(enum_table, {'e1':'c', 'e2':'c',
'e3':'a', 'e4':'a'}))
self.assert_(con.connection.show_warnings())
finally:
sys.stderr = aside
res = enum_table.select().execute().fetchall()
expected = [(None, 'a', None, 'a'),
('a', 'a', 'a', 'a'),
('b', 'b', 'b', 'b'),
('', '', 'a', 'a')]
# This is known to fail with MySQLDB 1.2.2 beta versions
# which return these as sets.Set(['a']), sets.Set(['b'])
# (even on Pythons with __builtin__.set)
if db.dialect.dbapi.version_info < (1, 2, 2, 'beta', 3) and \
db.dialect.dbapi.version_info >= (1, 2, 2):
# these mysqldb seem to always uses 'sets', even on later pythons
import sets
def convert(value):
if value is None:
return value
if value == '':
return sets.Set([])
else:
return sets.Set([value])
e = []
for row in expected:
e.append(tuple([convert(c) for c in row]))
expected = e
self.assertEqual(res, expected)
enum_table.drop()
@testbase.supported('mysql')
def test_type_reflection(self):
# FIXME: older versions need their own test
if db.dialect.get_version_info(db) < (5, 0):
return
# (ask_for, roundtripped_as_if_different)
specs = [( String(), mysql.MSText(), ),
( String(1), mysql.MSString(1), ),
( String(3), mysql.MSString(3), ),
( mysql.MSChar(1), ),
( mysql.MSChar(3), ),
( NCHAR(2), mysql.MSChar(2), ),
( mysql.MSNChar(2), mysql.MSChar(2), ), # N is CREATE only
( mysql.MSNVarChar(22), mysql.MSString(22), ),
( Smallinteger(), mysql.MSSmallInteger(), ),
( Smallinteger(4), mysql.MSSmallInteger(4), ),
( mysql.MSSmallInteger(), ),
( mysql.MSSmallInteger(4), mysql.MSSmallInteger(4), ),
( Binary(3), mysql.MSBlob(3), ),
( Binary(), mysql.MSBlob() ),
( mysql.MSBinary(3), mysql.MSBinary(3), ),
( mysql.MSVarBinary(3),),
( mysql.MSVarBinary(), mysql.MSBlob()),
( mysql.MSTinyBlob(),),
( mysql.MSBlob(),),
( mysql.MSBlob(1234), mysql.MSBlob()),
( mysql.MSMediumBlob(),),
( mysql.MSLongBlob(),),
]
columns = [Column('c%i' % (i + 1), t[0]) for i, t in enumerate(specs)]
m = BoundMetaData(db)
t_table = Table('mysql_types', m, *columns)
m.drop_all()
m.create_all()
m2 = BoundMetaData(db)
rt = Table('mysql_types', m2, autoload=True)
#print
expected = [len(c) > 1 and c[1] or c[0] for c in specs]
for i, reflected in enumerate(rt.c):
#print (reflected, specs[i][0], '->',
# reflected.type, '==', expected[i])
assert isinstance(reflected.type, type(expected[i]))
m.drop_all()
if __name__ == "__main__":
testbase.main()
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