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Viewing changes to test/base/test_inspect.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/base/test_inspect.py
 
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"""test the inspection registry system."""
 
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from sqlalchemy.testing import eq_, assert_raises_message
 
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from sqlalchemy import exc, util
 
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from sqlalchemy import inspection, inspect
 
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from sqlalchemy.testing import fixtures
 
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class TestFixture(object):
 
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    pass
 
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class TestInspection(fixtures.TestBase):
 
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    def tearDown(self):
 
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        for type_ in list(inspection._registrars):
 
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            if issubclass(type_, TestFixture):
 
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                del inspection._registrars[type_]
 
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    def test_def_insp(self):
 
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        class SomeFoo(TestFixture):
 
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            pass
 
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        @inspection._inspects(SomeFoo)
 
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        def insp_somefoo(subject):
 
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            return {"insp":subject}
 
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        somefoo = SomeFoo()
 
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        insp = inspect(somefoo)
 
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        assert insp["insp"] is somefoo
 
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    def test_no_inspect(self):
 
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        class SomeFoo(TestFixture):
 
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            pass
 
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        assert_raises_message(
 
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            exc.NoInspectionAvailable,
 
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            "No inspection system is available for object of type ",
 
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            inspect, SomeFoo
 
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        )
 
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    def test_class_insp(self):
 
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        class SomeFoo(TestFixture):
 
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            pass
 
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        class SomeFooInspect(object):
 
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            def __init__(self, target):
 
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                self.target = target
 
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        SomeFooInspect = inspection._inspects(SomeFoo)(SomeFooInspect)
 
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        somefoo = SomeFoo()
 
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        insp = inspect(somefoo)
 
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        assert isinstance(insp, SomeFooInspect)
 
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        assert insp.target is somefoo
 
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    def test_hierarchy_insp(self):
 
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        class SomeFoo(TestFixture):
 
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            pass
 
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        class SomeSubFoo(SomeFoo):
 
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            pass
 
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        @inspection._inspects(SomeFoo)
 
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        def insp_somefoo(subject):
 
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            return 1
 
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        @inspection._inspects(SomeSubFoo)
 
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        def insp_somesubfoo(subject):
 
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            return 2
 
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        somefoo = SomeFoo()
 
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        eq_(inspect(SomeFoo()), 1)
 
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        eq_(inspect(SomeSubFoo()), 2)