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Fixed some issues with self-referential mappings.
git-svn-id: http://tranquil.googlecode.com/svn/trunk@54 66ac46bf-b33b-0410-90a4-43c7d5e8004f
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Original file line number | Diff line number | Diff line change |
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import datetime | ||
import os | ||
import sys | ||
import unittest | ||
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sys.path.insert( 0, os.path.dirname( __file__ ) + '../' ) | ||
os.environ['DJANGO_SETTINGS_MODULE'] = 'proj_name.settings' | ||
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from tranquil import Session | ||
from tranquil.models.app_name import Poll, Choice, SelfRef, MultiSelfRef | ||
from tranquil.translator import ORMObject | ||
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from proj_name.app_name.alchemy import User | ||
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class ModelTest(unittest.TestCase): | ||
def ORMObject_test(self): | ||
obj = ORMObject(name='test') | ||
self.assertEqual( obj.name, 'test' ) | ||
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def clear(self,klass): | ||
sess = Session() | ||
for k in sess.query(klass).all(): | ||
sess.delete(k) | ||
sess.commit() | ||
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def model_test(self): | ||
self.clear(Choice) | ||
self.clear(Poll) | ||
sess = Session() | ||
green = Poll(question='Do you like green eggs and ham?',pub_date=datetime.datetime.today()) | ||
green.choice_set.append( Choice( choice='Yes', votes=0 ) ) | ||
green.choice_set.append( Choice( choice='No', votes=0 ) ) | ||
sess.save( green ) | ||
sess.commit() | ||
sess = Session() | ||
polls = sess.query(Poll).all() | ||
self.assertEqual( len( polls ), 1 ) | ||
self.assertEqual( polls[0].question, 'Do you like green eggs and ham?' ) | ||
self.assertEqual( len( polls[0].choice_set ), 2 ) | ||
self.assert_( polls[0].choice_set[0].choice in ['Yes', 'No'] ) | ||
self.assert_( polls[0].choice_set[1].choice in ['Yes', 'No'] ) | ||
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def custom_test(self): | ||
sess = Session() | ||
me = sess.query(User).filter_by(username='davisp').one() | ||
self.assertEqual( me.name(), 'username=davisp' ) | ||
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def self_ref_test(self): | ||
self.clear(SelfRef) | ||
sess = Session() | ||
root = SelfRef(name='root') | ||
sess.save( root ) | ||
c1 = SelfRef(name='c1',parent=root) | ||
sess.save( c1 ) | ||
sess.commit() | ||
sess = Session() | ||
root = sess.query(SelfRef).filter(SelfRef.c.id==1).one() | ||
self.assertEqual( root.name, 'root' ) | ||
self.assertEqual( len( root.selfref_set ), 1 ) | ||
self.assertEqual( root.parent, None ) | ||
child = root.selfref_set[0] | ||
self.assertEqual( child.name, 'c1' ) | ||
self.assertEqual( child.parent, root ) | ||
self.assertEqual( child.selfref_set, [] ) | ||
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def multi_self_ref_test(self): | ||
self.clear(MultiSelfRef) | ||
sess = Session() | ||
root = MultiSelfRef(name='root') | ||
root.ref.append( MultiSelfRef(name='c1') ) | ||
root.ref.append( MultiSelfRef(name='c2') ) | ||
root.multiselfref_set.append( MultiSelfRef(name='p1') ) | ||
sess.save( root ) | ||
sess.flush() | ||
sess = Session() | ||
n = sess.query(MultiSelfRef).filter(MultiSelfRef.c.name=='root').one() | ||
self.assertEqual( len( n.ref ), 2 ) | ||
self.assert_( 'c1' in [ t.name for t in n.ref ] ) | ||
self.assert_( 'c2' in [ t.name for t in n.ref ] ) | ||
self.assertEqual( len( n.multiselfref_set ), 1 ) | ||
self.assert_( 'p1' in [ t.name for t in n.multiselfref_set ] ) | ||
for name in [ 'c1', 'c2']: | ||
n = sess.query(MultiSelfRef).filter(MultiSelfRef.c.name==name).one() | ||
self.assertEqual( n.ref, [] ) | ||
self.assertEqual( len( n.multiselfref_set ), 1 ) | ||
self.assert_( 'root' in [ t.name for t in n.multiselfref_set ] ) | ||
n = sess.query(MultiSelfRef).filter(MultiSelfRef.c.name=='p1').one() | ||
self.assertEqual( len( n.ref ), 1 ) | ||
self.assert_( 'root' in [ t.name for t in n.ref ] ) | ||
self.assertEqual( n.multiselfref_set, [] ) |
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