Files
web2py/gluon/tests/test_dal.py
2013-09-01 19:16:45 -03:00

843 lines
32 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Unit tests for gluon.dal
"""
import sys
import os
import glob
import unittest
import datetime
try:
import cStringIO as StringIO
except:
from io import StringIO
def fix_sys_path():
"""
logic to have always the correct sys.path
'', web2py/gluon, web2py/site-packages, web2py/ ...
"""
def add_path_first(path):
sys.path = [path] + [p for p in sys.path if (
not p == path and not p == (path + '/'))]
path = os.path.dirname(os.path.abspath(__file__))
if not os.path.isfile(os.path.join(path,'web2py.py')):
i = 0
while i<10:
i += 1
if os.path.exists(os.path.join(path,'web2py.py')):
break
path = os.path.abspath(os.path.join(path, '..'))
paths = [path,
os.path.abspath(os.path.join(path, 'site-packages')),
os.path.abspath(os.path.join(path, 'gluon')),
'']
[add_path_first(path) for path in paths]
fix_sys_path()
from dal import DAL, Field, Table, SQLALL
#for travis-ci
DEFAULT_URI = os.environ.get('DB', 'sqlite:memory')
print 'Testing against %s engine (%s)' % (DEFAULT_URI.partition(':')[0], DEFAULT_URI)
ALLOWED_DATATYPES = [
'string',
'text',
'integer',
'boolean',
'double',
'blob',
'date',
'time',
'datetime',
'upload',
'password',
'json',
]
def setUpModule():
pass
def tearDownModule():
if os.path.isfile('sql.log'):
os.unlink('sql.log')
for a in glob.glob('*.table'):
os.unlink(a)
class TestFields(unittest.TestCase):
def testFieldName(self):
# Check that Fields cannot start with underscores
self.assertRaises(SyntaxError, Field, '_abc', 'string')
# Check that Fields cannot contain punctuation other than underscores
self.assertRaises(SyntaxError, Field, 'a.bc', 'string')
# Check that Fields cannot be a name of a method or property of Table
for x in ['drop', 'on', 'truncate']:
self.assertRaises(SyntaxError, Field, x, 'string')
# Check that Fields allows underscores in the body of a field name.
self.assert_(Field('a_bc', 'string'),
"Field isn't allowing underscores in fieldnames. It should.")
def testFieldTypes(self):
# Check that string, and password default length is 512
for typ in ['string', 'password']:
self.assert_(Field('abc', typ).length == 512,
"Default length for type '%s' is not 512 or 255" % typ)
# Check that upload default length is 512
self.assert_(Field('abc', 'upload').length == 512,
"Default length for type 'upload' is not 512")
# Check that Tables passed in the type creates a reference
self.assert_(Field('abc', Table(None, 'temp')).type
== 'reference temp',
'Passing an Table does not result in a reference type.')
def testFieldLabels(self):
# Check that a label is successfully built from the supplied fieldname
self.assert_(Field('abc', 'string').label == 'Abc',
'Label built is incorrect')
self.assert_(Field('abc_def', 'string').label == 'Abc Def',
'Label built is incorrect')
def testFieldFormatters(self): # Formatter should be called Validator
# Test the default formatters
for typ in ALLOWED_DATATYPES:
f = Field('abc', typ)
if typ not in ['date', 'time', 'datetime']:
isinstance(f.formatter('test'), str)
else:
isinstance(f.formatter(datetime.datetime.now()), str)
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
for ft in ['string', 'text', 'password', 'upload', 'blob']:
db.define_table('tt', Field('aa', ft, default=''))
self.assertEqual(db.tt.insert(aa='x'), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, 'x')
db.tt.drop()
db.define_table('tt', Field('aa', 'integer', default=1))
self.assertEqual(db.tt.insert(aa=3), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, 3)
db.tt.drop()
db.define_table('tt', Field('aa', 'double', default=1))
self.assertEqual(db.tt.insert(aa=3.1), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, 3.1)
db.tt.drop()
db.define_table('tt', Field('aa', 'boolean', default=True))
self.assertEqual(db.tt.insert(aa=True), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, True)
db.tt.drop()
db.define_table('tt', Field('aa', 'json', default={}))
self.assertEqual(db.tt.insert(aa={}), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, {})
db.tt.drop()
db.define_table('tt', Field('aa', 'date',
default=datetime.date.today()))
t0 = datetime.date.today()
self.assertEqual(db.tt.insert(aa=t0), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, t0)
db.tt.drop()
db.define_table('tt', Field('aa', 'datetime',
default=datetime.datetime.today()))
t0 = datetime.datetime(
1971,
12,
21,
10,
30,
55,
0,
)
self.assertEqual(db.tt.insert(aa=t0), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, t0)
## Row APIs
row = db().select(db.tt.aa)[0]
self.assertEqual(db.tt[1].aa,t0)
self.assertEqual(db.tt['aa'],db.tt.aa)
self.assertEqual(db.tt(1).aa,t0)
self.assertTrue(db.tt(1,aa=None)==None)
self.assertFalse(db.tt(1,aa=t0)==None)
self.assertEqual(row.aa,t0)
self.assertEqual(row['aa'],t0)
self.assertEqual(row['tt.aa'],t0)
self.assertEqual(row('tt.aa'),t0)
## Lazy and Virtual fields
db.tt.b = Field.Virtual(lambda row: row.tt.aa)
db.tt.c = Field.Lazy(lambda row: row.tt.aa)
row = db().select(db.tt.aa)[0]
self.assertEqual(row.b,t0)
self.assertEqual(row.c(),t0)
db.tt.drop()
db.define_table('tt', Field('aa', 'time', default='11:30'))
t0 = datetime.time(10, 30, 55)
self.assertEqual(db.tt.insert(aa=t0), 1)
self.assertEqual(db().select(db.tt.aa)[0].aa, t0)
db.tt.drop()
class TestAll(unittest.TestCase):
def setUp(self):
self.pt = Table(None,'PseudoTable',Field('name'),Field('birthdate'))
def testSQLALL(self):
ans = 'PseudoTable.id, PseudoTable.name, PseudoTable.birthdate'
self.assertEqual(str(SQLALL(self.pt)), ans)
class TestTable(unittest.TestCase):
def testTableCreation(self):
# Check for error when not passing type other than Field or Table
self.assertRaises(SyntaxError, Table, None, 'test', None)
persons = Table(None, 'persons',
Field('firstname','string'),
Field('lastname', 'string'))
# Does it have the correct fields?
self.assert_(set(persons.fields).issuperset(set(['firstname',
'lastname'])))
# ALL is set correctly
self.assert_('persons.firstname, persons.lastname'
in str(persons.ALL))
def testTableAlias(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
persons = Table(db, 'persons', Field('firstname',
'string'), Field('lastname', 'string'))
aliens = persons.with_alias('aliens')
# Are the different table instances with the same fields
self.assert_(persons is not aliens)
self.assert_(set(persons.fields) == set(aliens.fields))
def testTableInheritance(self):
persons = Table(None, 'persons', Field('firstname',
'string'), Field('lastname', 'string'))
customers = Table(None, 'customers',
Field('items_purchased', 'integer'),
persons)
self.assert_(set(customers.fields).issuperset(set(
['items_purchased', 'firstname', 'lastname'])))
class TestInsert(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
self.assertEqual(db.tt.insert(aa='1'), 1)
self.assertEqual(db.tt.insert(aa='1'), 2)
self.assertEqual(db.tt.insert(aa='1'), 3)
self.assertEqual(db(db.tt.aa == '1').count(), 3)
self.assertEqual(db(db.tt.aa == '2').isempty(), True)
self.assertEqual(db(db.tt.aa == '1').update(aa='2'), 3)
self.assertEqual(db(db.tt.aa == '2').count(), 3)
self.assertEqual(db(db.tt.aa == '2').isempty(), False)
self.assertEqual(db(db.tt.aa == '2').delete(), 3)
self.assertEqual(db(db.tt.aa == '2').isempty(), True)
db.tt.drop()
class TestSelect(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
self.assertEqual(db.tt.insert(aa='1'), 1)
self.assertEqual(db.tt.insert(aa='2'), 2)
self.assertEqual(db.tt.insert(aa='3'), 3)
self.assertEqual(db(db.tt.id > 0).count(), 3)
self.assertEqual(db(db.tt.id > 0).select(orderby=~db.tt.aa
| db.tt.id)[0].aa, '3')
self.assertEqual(len(db(db.tt.id > 0).select(limitby=(1, 2))), 1)
self.assertEqual(db(db.tt.id > 0).select(limitby=(1, 2))[0].aa,
'2')
self.assertEqual(len(db().select(db.tt.ALL)), 3)
self.assertEqual(db(db.tt.aa == None).count(), 0)
self.assertEqual(db(db.tt.aa != None).count(), 3)
self.assertEqual(db(db.tt.aa > '1').count(), 2)
self.assertEqual(db(db.tt.aa >= '1').count(), 3)
self.assertEqual(db(db.tt.aa == '1').count(), 1)
self.assertEqual(db(db.tt.aa != '1').count(), 2)
self.assertEqual(db(db.tt.aa < '3').count(), 2)
self.assertEqual(db(db.tt.aa <= '3').count(), 3)
self.assertEqual(db(db.tt.aa > '1')(db.tt.aa < '3').count(), 1)
self.assertEqual(db((db.tt.aa > '1') & (db.tt.aa < '3')).count(), 1)
self.assertEqual(db((db.tt.aa > '1') | (db.tt.aa < '3')).count(), 3)
self.assertEqual(db((db.tt.aa > '1') & ~(db.tt.aa > '2')).count(), 1)
self.assertEqual(db(~(db.tt.aa > '1') & (db.tt.aa > '2')).count(), 0)
db.tt.drop()
class TestAddMethod(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
@db.tt.add_method.all
def select_all(table,orderby=None):
return table._db(table).select(orderby=orderby)
self.assertEqual(db.tt.insert(aa='1'), 1)
self.assertEqual(db.tt.insert(aa='2'), 2)
self.assertEqual(db.tt.insert(aa='3'), 3)
self.assertEqual(len(db.tt.all()), 3)
db.tt.drop()
class TestBelongs(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
self.assertEqual(db.tt.insert(aa='1'), 1)
self.assertEqual(db.tt.insert(aa='2'), 2)
self.assertEqual(db.tt.insert(aa='3'), 3)
self.assertEqual(db(db.tt.aa.belongs(('1', '3'))).count(),
2)
self.assertEqual(db(db.tt.aa.belongs(db(db.tt.id
> 2)._select(db.tt.aa))).count(), 1)
self.assertEqual(db(db.tt.aa.belongs(db(db.tt.aa.belongs(('1',
'3')))._select(db.tt.aa))).count(), 2)
self.assertEqual(db(db.tt.aa.belongs(db(db.tt.aa.belongs(db
(db.tt.aa.belongs(('1', '3')))._select(db.tt.aa)))._select(
db.tt.aa))).count(),
2)
db.tt.drop()
class TestContains(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa', 'list:string'), Field('bb','string'))
self.assertEqual(db.tt.insert(aa=['aaa','bbb'],bb='aaa'), 1)
self.assertEqual(db.tt.insert(aa=['bbb','ddd'],bb='abb'), 2)
self.assertEqual(db.tt.insert(aa=['eee','aaa'],bb='acc'), 3)
self.assertEqual(db(db.tt.aa.contains('aaa')).count(), 2)
self.assertEqual(db(db.tt.aa.contains('bbb')).count(), 2)
self.assertEqual(db(db.tt.aa.contains('aa')).count(), 0)
self.assertEqual(db(db.tt.bb.contains('a')).count(), 3)
self.assertEqual(db(db.tt.bb.contains('b')).count(), 1)
self.assertEqual(db(db.tt.bb.contains('d')).count(), 0)
self.assertEqual(db(db.tt.aa.contains(db.tt.bb)).count(), 1)
db.tt.drop()
class TestLike(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
self.assertEqual(db.tt.insert(aa='abc'), 1)
self.assertEqual(db(db.tt.aa.like('a%')).count(), 1)
self.assertEqual(db(db.tt.aa.like('%b%')).count(), 1)
self.assertEqual(db(db.tt.aa.like('%c')).count(), 1)
self.assertEqual(db(db.tt.aa.like('%d%')).count(), 0)
self.assertEqual(db(db.tt.aa.lower().like('A%')).count(), 1)
self.assertEqual(db(db.tt.aa.lower().like('%B%')).count(),
1)
self.assertEqual(db(db.tt.aa.lower().like('%C')).count(), 1)
self.assertEqual(db(db.tt.aa.upper().like('A%')).count(), 1)
self.assertEqual(db(db.tt.aa.upper().like('%B%')).count(),
1)
self.assertEqual(db(db.tt.aa.upper().like('%C')).count(), 1)
db.tt.drop()
db.define_table('tt', Field('aa', 'integer'))
self.assertEqual(db.tt.insert(aa=1111111111), 1)
self.assertEqual(db(db.tt.aa.like('1%')).count(), 1)
self.assertEqual(db(db.tt.aa.like('2%')).count(), 0)
db.tt.drop()
class TestDatetime(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa', 'datetime'))
self.assertEqual(db.tt.insert(aa=datetime.datetime(1971, 12, 21,
11, 30)), 1)
self.assertEqual(db.tt.insert(aa=datetime.datetime(1971, 11, 21,
10, 30)), 2)
self.assertEqual(db.tt.insert(aa=datetime.datetime(1970, 12, 21,
9, 30)), 3)
self.assertEqual(db(db.tt.aa == datetime.datetime(1971, 12,
21, 11, 30)).count(), 1)
self.assertEqual(db(db.tt.aa.year() == 1971).count(), 2)
self.assertEqual(db(db.tt.aa.month() == 12).count(), 2)
self.assertEqual(db(db.tt.aa.day() == 21).count(), 3)
self.assertEqual(db(db.tt.aa.hour() == 11).count(), 1)
self.assertEqual(db(db.tt.aa.minutes() == 30).count(), 3)
self.assertEqual(db(db.tt.aa.seconds() == 0).count(), 3)
self.assertEqual(db(db.tt.aa.epoch()<365*24*3600).count(),1)
db.tt.drop()
class TestExpressions(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa', 'integer'))
self.assertEqual(db.tt.insert(aa=1), 1)
self.assertEqual(db.tt.insert(aa=2), 2)
self.assertEqual(db.tt.insert(aa=3), 3)
self.assertEqual(db(db.tt.aa == 3).update(aa=db.tt.aa + 1), 1)
self.assertEqual(db(db.tt.aa == 4).count(), 1)
self.assertEqual(db(db.tt.aa == -2).count(), 0)
sum = (db.tt.aa + 1).sum()
self.assertEqual(db(db.tt.aa == 2).select(sum).first()[sum], 3)
self.assertEqual(db(db.tt.aa == -2).select(sum).first()[sum], None)
db.tt.drop()
class TestJoin(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('t1', Field('aa'))
db.define_table('t2', Field('aa'), Field('b', db.t1))
i1 = db.t1.insert(aa='1')
i2 = db.t1.insert(aa='2')
i3 = db.t1.insert(aa='3')
db.t2.insert(aa='4', b=i1)
db.t2.insert(aa='5', b=i2)
db.t2.insert(aa='6', b=i2)
self.assertEqual(len(db(db.t1.id
== db.t2.b).select(orderby=db.t1.aa
| db.t2.aa)), 3)
self.assertEqual(db(db.t1.id == db.t2.b).select(orderby=db.t1.aa
| db.t2.aa)[2].t1.aa, '2')
self.assertEqual(db(db.t1.id == db.t2.b).select(orderby=db.t1.aa
| db.t2.aa)[2].t2.aa, '6')
self.assertEqual(len(db().select(db.t1.ALL, db.t2.ALL,
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa | db.t2.aa)), 4)
self.assertEqual(db().select(db.t1.ALL, db.t2.ALL,
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa | db.t2.aa)[2].t1.aa, '2')
self.assertEqual(db().select(db.t1.ALL, db.t2.ALL,
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa | db.t2.aa)[2].t2.aa, '6')
self.assertEqual(db().select(db.t1.ALL, db.t2.ALL,
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa | db.t2.aa)[3].t1.aa, '3')
self.assertEqual(db().select(db.t1.ALL, db.t2.ALL,
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa | db.t2.aa)[3].t2.aa, None)
self.assertEqual(len(db().select(db.t1.aa, db.t2.id.count(),
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa, groupby=db.t1.aa)),
3)
self.assertEqual(db().select(db.t1.aa, db.t2.id.count(),
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa,
groupby=db.t1.aa)[0]._extra[db.t2.id.count()],
1)
self.assertEqual(db().select(db.t1.aa, db.t2.id.count(),
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa,
groupby=db.t1.aa)[1]._extra[db.t2.id.count()],
2)
self.assertEqual(db().select(db.t1.aa, db.t2.id.count(),
left=db.t2.on(db.t1.id == db.t2.b),
orderby=db.t1.aa,
groupby=db.t1.aa)[2]._extra[db.t2.id.count()],
0)
db.t2.drop()
db.t1.drop()
db.define_table('person',Field('name'))
id = db.person.insert(name="max")
self.assertEqual(id.name,'max')
db.define_table('dog',Field('name'),Field('ownerperson','reference person'))
db.dog.insert(name='skipper',ownerperson=1)
row = db(db.person.id==db.dog.ownerperson).select().first()
self.assertEqual(row[db.person.name],'max')
self.assertEqual(row['person.name'],'max')
db.dog.drop()
self.assertEqual(len(db.person._referenced_by),0)
db.person.drop()
class TestMinMaxSumAvg(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa', 'integer'))
self.assertEqual(db.tt.insert(aa=1), 1)
self.assertEqual(db.tt.insert(aa=2), 2)
self.assertEqual(db.tt.insert(aa=3), 3)
s = db.tt.aa.min()
self.assertEqual(db(db.tt.id > 0).select(s)[0]._extra[s], 1)
self.assertEqual(db(db.tt.id > 0).select(s).first()[s], 1)
self.assertEqual(db().select(s).first()[s], 1)
s = db.tt.aa.max()
self.assertEqual(db().select(s).first()[s], 3)
s = db.tt.aa.sum()
self.assertEqual(db().select(s).first()[s], 6)
s = db.tt.aa.count()
self.assertEqual(db().select(s).first()[s], 3)
s = db.tt.aa.avg()
self.assertEqual(db().select(s).first()[s], 2)
db.tt.drop()
class TestCache(unittest.TestCase):
def testRun(self):
from cache import CacheInRam
cache = CacheInRam()
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
db.tt.insert(aa='1')
r0 = db().select(db.tt.ALL)
r1 = db().select(db.tt.ALL, cache=(cache, 1000))
self.assertEqual(len(r0),len(r1))
r2 = db().select(db.tt.ALL, cache=(cache, 1000))
self.assertEqual(len(r0),len(r2))
r3 = db().select(db.tt.ALL, cache=(cache, 1000), cacheable=True)
self.assertEqual(len(r0),len(r3))
r4 = db().select(db.tt.ALL, cache=(cache, 1000), cacheable=True)
self.assertEqual(len(r0),len(r4))
db.tt.drop()
class TestMigrations(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'), migrate='.storage.table')
db.commit()
db.close()
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'), Field('b'),
migrate='.storage.table')
db.commit()
db.close()
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'), Field('b', 'text'),
migrate='.storage.table')
db.commit()
db.close()
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'), migrate='.storage.table')
db.tt.drop()
db.commit()
db.close()
def tearDown(self):
if os.path.exists('.storage.db'):
os.unlink('.storage.db')
if os.path.exists('.storage.table'):
os.unlink('.storage.table')
class TestReference(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('name'), Field('aa','reference tt'))
db.commit()
x = db.tt.insert(name='max')
assert x.id == 1
assert x['id'] == 1
x.aa = x
assert x.aa == 1
x.update_record()
y = db.tt[1]
assert y.aa == 1
assert y.aa.aa.aa.aa.aa.aa.name == 'max'
z=db.tt.insert(name='xxx', aa = y)
assert z.aa == y.id
db.tt.drop()
db.commit()
class TestClientLevelOps(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
db.commit()
db.tt.insert(aa="test")
rows1 = db(db.tt.id>0).select()
rows2 = db(db.tt.id>0).select()
rows3 = rows1 & rows2
assert len(rows3) == 2
rows4 = rows1 | rows2
assert len(rows4) == 1
rows5 = rows1.find(lambda row: row.aa=="test")
assert len(rows5) == 1
rows6 = rows2.exclude(lambda row: row.aa=="test")
assert len(rows6) == 1
rows7 = rows5.sort(lambda row: row.aa)
assert len(rows7) == 1
db.tt.drop()
db.commit()
class TestVirtualFields(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
db.commit()
db.tt.insert(aa="test")
class Compute:
def a_upper(row): return row.tt.aa.upper()
db.tt.virtualfields.append(Compute())
assert db(db.tt.id>0).select().first().a_upper == 'TEST'
db.tt.drop()
db.commit()
class TestComputedFields(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt',
Field('aa'),
Field('bb',default='x'),
Field('cc',compute=lambda r: r.aa+r.bb))
db.commit()
id = db.tt.insert(aa="z")
self.assertEqual(db.tt[id].cc,'zx')
db.tt.drop()
db.commit()
# test checking that a compute field can refer to earlier-defined computed fields
db.define_table('tt',
Field('aa'),
Field('bb',default='x'),
Field('cc',compute=lambda r: r.aa+r.bb),
Field('dd',compute=lambda r: r.bb + r.cc))
db.commit()
id = db.tt.insert(aa="z")
self.assertEqual(db.tt[id].dd,'xzx')
db.tt.drop()
db.commit()
class TestCommonFilters(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('t1', Field('aa'))
db.define_table('t2', Field('aa'), Field('b', db.t1))
i1 = db.t1.insert(aa='1')
i2 = db.t1.insert(aa='2')
i3 = db.t1.insert(aa='3')
db.t2.insert(aa='4', b=i1)
db.t2.insert(aa='5', b=i2)
db.t2.insert(aa='6', b=i2)
db.t1._common_filter = lambda q: db.t1.aa>1
self.assertEqual(db(db.t1).count(),2)
self.assertEqual(db(db.t1).count(),2)
q = db.t2.b==db.t1.id
self.assertEqual(db(q).count(),2)
self.assertEqual(db(q).count(),2)
self.assertEqual(len(db(db.t1).select(left=db.t2.on(q))),3)
db.t2._common_filter = lambda q: db.t2.aa<6
self.assertEqual(db(q).count(),1)
self.assertEqual(db(q).count(),1)
self.assertEqual(len(db(db.t1).select(left=db.t2.on(q))),2)
db.t2.drop()
db.t1.drop()
class TestImportExportFields(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('person', Field('name'))
db.define_table('pet',Field('friend',db.person),Field('name'))
for n in range(2):
db(db.pet).delete()
db(db.person).delete()
for k in range(10):
id = db.person.insert(name=str(k))
db.pet.insert(friend=id,name=str(k))
db.commit()
stream = StringIO.StringIO()
db.export_to_csv_file(stream)
db(db.pet).delete()
db(db.person).delete()
stream = StringIO.StringIO(stream.getvalue())
db.import_from_csv_file(stream)
assert db(db.person.id==db.pet.friend)(db.person.name==db.pet.name).count()==10
db.pet.drop()
db.person.drop()
db.commit()
class TestImportExportUuidFields(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('person', Field('name'),Field('uuid'))
db.define_table('pet',Field('friend',db.person),Field('name'))
for n in range(2):
db(db.pet).delete()
db(db.person).delete()
for k in range(10):
id = db.person.insert(name=str(k),uuid=str(k))
db.pet.insert(friend=id,name=str(k))
db.commit()
stream = StringIO.StringIO()
db.export_to_csv_file(stream)
stream = StringIO.StringIO(stream.getvalue())
db.import_from_csv_file(stream)
assert db(db.person).count()==10
assert db(db.person.id==db.pet.friend)(db.person.name==db.pet.name).count()==20
db.pet.drop()
db.person.drop()
db.commit()
class TestDALDictImportExport(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('person', Field('name', default="Michael"),Field('uuid'))
db.define_table('pet',Field('friend',db.person),Field('name'))
dbdict = db.as_dict(flat=True, sanitize=False)
assert isinstance(dbdict, dict)
uri = dbdict["uri"]
assert isinstance(uri, basestring) and uri
assert len(dbdict["tables"]) == 2
assert len(dbdict["tables"][0]["fields"]) == 3
assert dbdict["tables"][0]["fields"][1]["type"] == db.person.name.type
assert dbdict["tables"][0]["fields"][1]["default"] == db.person.name.default
db2 = DAL(**dbdict)
assert len(db.tables) == len(db2.tables)
assert hasattr(db2, "pet") and isinstance(db2.pet, Table)
assert hasattr(db2.pet, "friend") and isinstance(db2.pet.friend, Field)
db.pet.drop()
db.commit()
db2.commit()
have_serializers = True
try:
import serializers
dbjson = db.as_json(sanitize=False)
assert isinstance(dbjson, basestring) and len(dbjson) > 0
unicode_keys = True
if sys.version < "2.6.5":
unicode_keys = False
db3 = DAL(**serializers.loads_json(dbjson,
unicode_keys=unicode_keys))
assert hasattr(db3, "person") and hasattr(db3.person, "uuid") and\
db3.person.uuid.type == db.person.uuid.type
db3.person.drop()
db3.commit()
except ImportError:
pass
mpfc = "Monty Python's Flying Circus"
dbdict4 = {"uri": DEFAULT_URI,
"tables":[{"tablename": "tvshow",
"fields": [{"fieldname": "name",
"default":mpfc},
{"fieldname": "rating",
"type":"double"}]},
{"tablename": "staff",
"fields": [{"fieldname": "name",
"default":"Michael"},
{"fieldname": "food",
"default":"Spam"},
{"fieldname": "tvshow",
"type": "reference tvshow"}]}]}
db4 = DAL(**dbdict4)
assert "staff" in db4.tables
assert "name" in db4.staff
assert db4.tvshow.rating.type == "double"
assert (db4.tvshow.insert(), db4.tvshow.insert(name="Loriot"),
db4.tvshow.insert(name="Il Mattatore")) == (1, 2, 3)
assert db4(db4.tvshow).select().first().id == 1
assert db4(db4.tvshow).select().first().name == mpfc
db4.staff.drop()
db4.tvshow.drop()
db4.commit()
dbdict5 = {"uri": DEFAULT_URI}
db5 = DAL(**dbdict5)
assert db5.tables in ([], None)
assert not (str(db5) in ("", None))
dbdict6 = {"uri": DEFAULT_URI,
"tables":[{"tablename": "staff"},
{"tablename": "tvshow",
"fields": [{"fieldname": "name"},
{"fieldname": "rating", "type":"double"}
]
}]
}
db6 = DAL(**dbdict6)
assert len(db6["staff"].fields) == 1
assert "name" in db6["tvshow"].fields
assert db6.staff.insert() is not None
assert db6(db6.staff).select().first().id == 1
db6.staff.drop()
db6.tvshow.drop()
db6.commit()
class TestValidateAndInsert(unittest.TestCase):
def testRun(self):
import datetime
from gluon.validators import IS_INT_IN_RANGE
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('val_and_insert',
Field('aa'),
Field('bb', 'integer',
requires=IS_INT_IN_RANGE(1,5))
)
rtn = db.val_and_insert.validate_and_insert(aa='test1', bb=2)
self.assertEqual(rtn.id, 1)
#errors should be empty
self.assertEqual(len(rtn.errors.keys()), 0)
#this insert won't pass
rtn = db.val_and_insert.validate_and_insert(bb="a")
#the returned id should be None
self.assertEqual(rtn.id, None)
#an error message should be in rtn.errors.bb
self.assertNotEqual(rtn.errors.bb, None)
#cleanup table
db.val_and_insert.drop()
if __name__ == '__main__':
unittest.main()
tearDownModule()