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Viewing changes to test/orm/test_load_on_fks.py

  • Committer: Package Import Robot
  • Author(s): Piotr Ożarowski, Jakub Wilk, Piotr Ożarowski
  • Date: 2013-07-06 20:53:52 UTC
  • mfrom: (1.4.23) (16.1.17 experimental)
  • Revision ID: package-import@ubuntu.com-20130706205352-ryppl1eto3illd79
Tags: 0.8.2-1
[ Jakub Wilk ]
* Use canonical URIs for Vcs-* fields.

[ Piotr Ożarowski ]
* New upstream release
* Upload to unstable
* Build depend on python3-all instead of -dev, extensions are not built for
  Python 3.X 

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test/orm/test_load_on_fks.py
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from sqlalchemy.orm import *
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from sqlalchemy.ext.declarative import declarative_base
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from test.lib.testing import eq_, AssertsExecutionResults, assert_raises
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from test.lib import testing
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from test.lib import fixtures
 
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from sqlalchemy.testing import eq_, AssertsExecutionResults, assert_raises
 
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from sqlalchemy import testing
 
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from sqlalchemy.testing import fixtures
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from sqlalchemy.orm.attributes import instance_state
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from sqlalchemy.orm.exc import FlushError
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from test.lib.schema import Table, Column
 
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from sqlalchemy.testing.schema import Table, Column
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engine = testing.db
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        # should be turned on.
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        assert c3 not in p1.children
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    def test_enable_rel_loading_disallows_backref_event(self):
 
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        sess.autoflush = False
 
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        c3 = Child()
 
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        sess.enable_relationship_loading(c3)
 
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        c3.parent_id = p1.id
 
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        c3.parent = p1
 
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        # c3.parent is already acting like a "load" here,
 
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        # so backref events don't work
 
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        assert c3 not in p1.children
 
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    def test_load_on_persistent_allows_backref_event(self):
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        Child.parent.property.load_on_pending = True
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        c3 = Child()
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        assert c3 in p1.children
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    def test_enable_rel_loading_on_persistent_disallows_backref_event(self):
 
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        c3 = Child()
 
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        sess.enable_relationship_loading(c3)
 
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        c3.parent_id = p1.id
 
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        c3.parent = p1
 
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        # c3.parent is already acting like a "load" here,
 
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        # so backref events don't work
 
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        assert c3 not in p1.children
 
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    def test_no_load_on_pending_allows_backref_event(self):
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        # users who stick with the program and don't use
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        # 'load_on_pending' get expected behavior
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            for attach in (False, True):
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                for autoflush in (False, True):
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                    for manualflush in (False, True):
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                        Child.parent.property.load_on_pending = loadonpending
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                        sess.autoflush = autoflush
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                        c2 = Child()
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                        if attach:
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                            sess._attach(instance_state(c2))
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                        c2.parent_id = p2.id
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                        if manualflush:
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                           sess.flush()
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                        if loadonpending and attach:
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                            assert c2.parent is p2
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                        else:
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                            assert c2.parent is None
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                        sess.rollback()
 
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                        for enable_relationship_rel in (False, True):
 
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                            Child.parent.property.load_on_pending = loadonpending
 
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                            sess.autoflush = autoflush
 
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                            c2 = Child()
 
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                            if attach:
 
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                                sess._attach(instance_state(c2))
 
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                            if enable_relationship_rel:
 
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                                sess.enable_relationship_loading(c2)
 
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                            c2.parent_id = p2.id
 
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                            if manualflush:
 
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                               sess.flush()
 
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                            if (loadonpending and attach) or enable_relationship_rel:
 
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                                assert c2.parent is p2
 
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                            else:
 
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                                assert c2.parent is None
 
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                            sess.rollback()