d0df704d8a
added python.path vm arg to startup script fixed infinite loop in unwrap() when displaying sequences of sequences git-svn-id: http://google-refine.googlecode.com/svn/trunk@509 7d457c2a-affb-35e4-300a-418c747d4874
218 lines
7.9 KiB
Python
218 lines
7.9 KiB
Python
import pprint
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import test.test_support
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import unittest
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try:
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uni = unicode
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except NameError:
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def uni(x):
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return x
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# list, tuple and dict subclasses that do or don't overwrite __repr__
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class list2(list):
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pass
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class list3(list):
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def __repr__(self):
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return list.__repr__(self)
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class tuple2(tuple):
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pass
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class tuple3(tuple):
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def __repr__(self):
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return tuple.__repr__(self)
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class dict2(dict):
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pass
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class dict3(dict):
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def __repr__(self):
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return dict.__repr__(self)
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class QueryTestCase(unittest.TestCase):
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def setUp(self):
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self.a = range(100)
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self.b = range(200)
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self.a[-12] = self.b
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def test_basic(self):
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# Verify .isrecursive() and .isreadable() w/o recursion
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verify = self.assert_
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pp = pprint.PrettyPrinter()
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for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, uni("yaddayadda"),
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self.a, self.b):
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# module-level convenience functions
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verify(not pprint.isrecursive(safe),
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"expected not isrecursive for %r" % (safe,))
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verify(pprint.isreadable(safe),
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"expected isreadable for %r" % (safe,))
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# PrettyPrinter methods
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verify(not pp.isrecursive(safe),
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"expected not isrecursive for %r" % (safe,))
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verify(pp.isreadable(safe),
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"expected isreadable for %r" % (safe,))
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def test_knotted(self):
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# Verify .isrecursive() and .isreadable() w/ recursion
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# Tie a knot.
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self.b[67] = self.a
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# Messy dict.
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self.d = {}
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self.d[0] = self.d[1] = self.d[2] = self.d
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verify = self.assert_
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pp = pprint.PrettyPrinter()
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for icky in self.a, self.b, self.d, (self.d, self.d):
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verify(pprint.isrecursive(icky), "expected isrecursive")
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verify(not pprint.isreadable(icky), "expected not isreadable")
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verify(pp.isrecursive(icky), "expected isrecursive")
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verify(not pp.isreadable(icky), "expected not isreadable")
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# Break the cycles.
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self.d.clear()
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del self.a[:]
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del self.b[:]
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for safe in self.a, self.b, self.d, (self.d, self.d):
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# module-level convenience functions
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verify(not pprint.isrecursive(safe),
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"expected not isrecursive for %r" % (safe,))
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verify(pprint.isreadable(safe),
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"expected isreadable for %r" % (safe,))
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# PrettyPrinter methods
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verify(not pp.isrecursive(safe),
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"expected not isrecursive for %r" % (safe,))
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verify(pp.isreadable(safe),
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"expected isreadable for %r" % (safe,))
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def test_unreadable(self):
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# Not recursive but not readable anyway
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verify = self.assert_
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pp = pprint.PrettyPrinter()
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for unreadable in type(3), pprint, pprint.isrecursive:
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# module-level convenience functions
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verify(not pprint.isrecursive(unreadable),
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"expected not isrecursive for %r" % (unreadable,))
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verify(not pprint.isreadable(unreadable),
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"expected not isreadable for %r" % (unreadable,))
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# PrettyPrinter methods
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verify(not pp.isrecursive(unreadable),
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"expected not isrecursive for %r" % (unreadable,))
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verify(not pp.isreadable(unreadable),
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"expected not isreadable for %r" % (unreadable,))
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def test_same_as_repr(self):
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# Simple objects, small containers and classes that overwrite __repr__
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# For those the result should be the same as repr().
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# Ahem. The docs don't say anything about that -- this appears to
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# be testing an implementation quirk. Starting in Python 2.5, it's
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# not true for dicts: pprint always sorts dicts by key now; before,
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# it sorted a dict display if and only if the display required
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# multiple lines. For that reason, dicts with more than one element
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# aren't tested here.
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verify = self.assert_
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for simple in (0, 0L, 0+0j, 0.0, "", uni(""),
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(), tuple2(), tuple3(),
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[], list2(), list3(),
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{}, dict2(), dict3(),
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verify, pprint,
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-6, -6L, -6-6j, -1.5, "x", uni("x"), (3,), [3], {3: 6},
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(1,2), [3,4], {5: 6},
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tuple2((1,2)), tuple3((1,2)), tuple3(range(100)),
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[3,4], list2([3,4]), list3([3,4]), list3(range(100)),
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dict2({5: 6}), dict3({5: 6}),
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range(10, -11, -1)
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):
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native = repr(simple)
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for function in "pformat", "saferepr":
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f = getattr(pprint, function)
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got = f(simple)
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verify(native == got, "expected %s got %s from pprint.%s" %
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(native, got, function))
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def test_basic_line_wrap(self):
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# verify basic line-wrapping operation
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o = {'RPM_cal': 0,
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'RPM_cal2': 48059,
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'Speed_cal': 0,
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'controldesk_runtime_us': 0,
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'main_code_runtime_us': 0,
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'read_io_runtime_us': 0,
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'write_io_runtime_us': 43690}
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exp = """\
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{'RPM_cal': 0,
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'RPM_cal2': 48059,
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'Speed_cal': 0,
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'controldesk_runtime_us': 0,
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'main_code_runtime_us': 0,
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'read_io_runtime_us': 0,
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'write_io_runtime_us': 43690}"""
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for type in [dict, dict2]:
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self.assertEqual(pprint.pformat(type(o)), exp)
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o = range(100)
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exp = '[%s]' % ',\n '.join(map(str, o))
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for type in [list, list2]:
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self.assertEqual(pprint.pformat(type(o)), exp)
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o = tuple(range(100))
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exp = '(%s)' % ',\n '.join(map(str, o))
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for type in [tuple, tuple2]:
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self.assertEqual(pprint.pformat(type(o)), exp)
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# indent parameter
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o = range(100)
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exp = '[ %s]' % ',\n '.join(map(str, o))
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for type in [list, list2]:
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self.assertEqual(pprint.pformat(type(o), indent=4), exp)
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def test_sorted_dict(self):
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# Starting in Python 2.5, pprint sorts dict displays by key regardless
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# of how small the dictionary may be.
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# Before the change, on 32-bit Windows pformat() gave order
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# 'a', 'c', 'b' here, so this test failed.
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d = {'a': 1, 'b': 1, 'c': 1}
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self.assertEqual(pprint.pformat(d), "{'a': 1, 'b': 1, 'c': 1}")
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self.assertEqual(pprint.pformat([d, d]),
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"[{'a': 1, 'b': 1, 'c': 1}, {'a': 1, 'b': 1, 'c': 1}]")
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# The next one is kind of goofy. The sorted order depends on the
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# alphabetic order of type names: "int" < "str" < "tuple". Before
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# Python 2.5, this was in the test_same_as_repr() test. It's worth
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# keeping around for now because it's one of few tests of pprint
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# against a crazy mix of types.
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self.assertEqual(pprint.pformat({"xy\tab\n": (3,), 5: [[]], (): {}}),
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r"{5: [[]], 'xy\tab\n': (3,), (): {}}")
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def test_subclassing(self):
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o = {'names with spaces': 'should be presented using repr()',
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'others.should.not.be': 'like.this'}
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exp = """\
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{'names with spaces': 'should be presented using repr()',
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others.should.not.be: like.this}"""
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self.assertEqual(DottedPrettyPrinter().pformat(o), exp)
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class DottedPrettyPrinter(pprint.PrettyPrinter):
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def format(self, object, context, maxlevels, level):
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if isinstance(object, str):
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if ' ' in object:
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return repr(object), 1, 0
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else:
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return object, 0, 0
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else:
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return pprint.PrettyPrinter.format(
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self, object, context, maxlevels, level)
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def test_main():
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test.test_support.run_unittest(QueryTestCase)
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if __name__ == "__main__":
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test_main()
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