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Viewing changes to tests/store/base.py

  • Committer: Gustavo Niemeyer
  • Date: 2008-11-05 18:47:35 UTC
  • mfrom: (276.2.3 is-empty-support)
  • Revision ID: gustavo@niemeyer.net-20081105184735-uw9byepavbi9vwre
Merged is-empty-support branch [r=jkakar,salgado,jamesh]

This adds the ResultSet.is_empty() method, which returns True when
the ResultSet represents an empty set (surprise!).

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Lines of Context:
tests/store/base.py
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        self.assertEquals(Store.of(Foo()), None)
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        self.assertEquals(Store.of(object()), None)
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    def test_is_empty(self):
 
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        result = self.store.find(Foo, id=300)
 
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        self.assertEquals(result.is_empty(), True)
 
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        result = self.store.find(Foo, id=30)
 
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        self.assertEquals(result.is_empty(), False)
 
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    def test_is_empty_with_composed_key(self):
 
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        result = self.store.find(Link, foo_id=300, bar_id=3000)
 
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        self.assertEquals(result.is_empty(), True)
 
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        result = self.store.find(Link, foo_id=30, bar_id=300)
 
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        self.assertEquals(result.is_empty(), False)
 
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    def test_is_empty_with_expression_find(self):
 
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        result = self.store.find(Foo.title, Foo.id == 300)
 
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        self.assertEquals(result.is_empty(), True)
 
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        result = self.store.find(Foo.title, Foo.id == 30)
 
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        self.assertEquals(result.is_empty(), False)
 
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    def test_find_iter(self):
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        result = self.store.find(Foo)
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        self.assertEqual(len(calls), 1)
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        self.assertEqual(calls[0], self.store)
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class EmptyResultSetTest(object):
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    def setUp(self):
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    def test_contains(self):
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        self.assertEquals(Foo() in self.empty, False)
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    def test_is_empty(self):
 
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        self.assertEquals(self.result.is_empty(), True)
 
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        self.assertEquals(self.empty.is_empty(), True)
 
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    def test_any(self):
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        self.assertEquals(self.result.any(), None)
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        self.assertEquals(self.empty.any(), None)