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- import pprint
- import test.test_support
- import unittest
-
- try:
- uni = unicode
- except NameError:
- def uni(x):
- return x
-
- # list, tuple and dict subclasses that do or don't overwrite __repr__
- class list2(list):
- pass
- class list3(list):
- def __repr__(self):
- return list.__repr__(self)
- class tuple2(tuple):
- pass
- class tuple3(tuple):
- def __repr__(self):
- return tuple.__repr__(self)
- class dict2(dict):
- pass
- class dict3(dict):
- def __repr__(self):
- return dict.__repr__(self)
-
- class QueryTestCase(unittest.TestCase):
-
- def setUp(self):
- self.a = range(100)
- self.b = range(200)
- self.a[-12] = self.b
-
- def test_basic(self):
- # Verify .isrecursive() and .isreadable() w/o recursion
- verify = self.assert_
- pp = pprint.PrettyPrinter()
- for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, uni("yaddayadda"),
- self.a, self.b):
- # module-level convenience functions
- verify(not pprint.isrecursive(safe),
- "expected not isrecursive for %r" % (safe,))
- verify(pprint.isreadable(safe),
- "expected isreadable for %r" % (safe,))
- # PrettyPrinter methods
- verify(not pp.isrecursive(safe),
- "expected not isrecursive for %r" % (safe,))
- verify(pp.isreadable(safe),
- "expected isreadable for %r" % (safe,))
-
- def test_knotted(self):
- # Verify .isrecursive() and .isreadable() w/ recursion
- # Tie a knot.
- self.b[67] = self.a
- # Messy dict.
- self.d = {}
- self.d[0] = self.d[1] = self.d[2] = self.d
-
- verify = self.assert_
- pp = pprint.PrettyPrinter()
-
- for icky in self.a, self.b, self.d, (self.d, self.d):
- verify(pprint.isrecursive(icky), "expected isrecursive")
- verify(not pprint.isreadable(icky), "expected not isreadable")
- verify(pp.isrecursive(icky), "expected isrecursive")
- verify(not pp.isreadable(icky), "expected not isreadable")
-
- # Break the cycles.
- self.d.clear()
- del self.a[:]
- del self.b[:]
-
- for safe in self.a, self.b, self.d, (self.d, self.d):
- # module-level convenience functions
- verify(not pprint.isrecursive(safe),
- "expected not isrecursive for %r" % (safe,))
- verify(pprint.isreadable(safe),
- "expected isreadable for %r" % (safe,))
- # PrettyPrinter methods
- verify(not pp.isrecursive(safe),
- "expected not isrecursive for %r" % (safe,))
- verify(pp.isreadable(safe),
- "expected isreadable for %r" % (safe,))
-
- def test_unreadable(self):
- # Not recursive but not readable anyway
- verify = self.assert_
- pp = pprint.PrettyPrinter()
- for unreadable in type(3), pprint, pprint.isrecursive:
- # module-level convenience functions
- verify(not pprint.isrecursive(unreadable),
- "expected not isrecursive for %r" % (unreadable,))
- verify(not pprint.isreadable(unreadable),
- "expected not isreadable for %r" % (unreadable,))
- # PrettyPrinter methods
- verify(not pp.isrecursive(unreadable),
- "expected not isrecursive for %r" % (unreadable,))
- verify(not pp.isreadable(unreadable),
- "expected not isreadable for %r" % (unreadable,))
-
- def test_same_as_repr(self):
- # Simple objects, small containers and classes that overwrite __repr__
- # For those the result should be the same as repr()
- verify = self.assert_
- for simple in (0, 0L, 0+0j, 0.0, "", uni(""),
- (), tuple2(), tuple3(),
- [], list2(), list3(),
- {}, dict2(), dict3(),
- verify, pprint,
- -6, -6L, -6-6j, -1.5, "x", uni("x"), (3,), [3], {3: 6},
- (1,2), [3,4], {5: 6, 7: 8},
- tuple2((1,2)), tuple3((1,2)), tuple3(range(100)),
- [3,4], list2([3,4]), list3([3,4]), list3(range(100)),
- {5: 6, 7: 8}, dict2({5: 6, 7: 8}), dict3({5: 6, 7: 8}),
- dict3([(x,x) for x in range(100)]),
- {"xy\tab\n": (3,), 5: [[]], (): {}},
- range(10, -11, -1)
- ):
- native = repr(simple)
- for function in "pformat", "saferepr":
- f = getattr(pprint, function)
- got = f(simple)
- verify(native == got, "expected %s got %s from pprint.%s" %
- (native, got, function))
-
- def test_basic_line_wrap(self):
- # verify basic line-wrapping operation
- o = {'RPM_cal': 0,
- 'RPM_cal2': 48059,
- 'Speed_cal': 0,
- 'controldesk_runtime_us': 0,
- 'main_code_runtime_us': 0,
- 'read_io_runtime_us': 0,
- 'write_io_runtime_us': 43690}
- exp = """\
- {'RPM_cal': 0,
- 'RPM_cal2': 48059,
- 'Speed_cal': 0,
- 'controldesk_runtime_us': 0,
- 'main_code_runtime_us': 0,
- 'read_io_runtime_us': 0,
- 'write_io_runtime_us': 43690}"""
- for type in [dict, dict2]:
- self.assertEqual(pprint.pformat(type(o)), exp)
-
- o = range(100)
- exp = '[%s]' % ',\n '.join(map(str, o))
- for type in [list, list2]:
- self.assertEqual(pprint.pformat(type(o)), exp)
-
- o = tuple(range(100))
- exp = '(%s)' % ',\n '.join(map(str, o))
- for type in [tuple, tuple2]:
- self.assertEqual(pprint.pformat(type(o)), exp)
-
- # indent parameter
- o = range(100)
- exp = '[ %s]' % ',\n '.join(map(str, o))
- for type in [list, list2]:
- self.assertEqual(pprint.pformat(type(o), indent=4), exp)
-
- def test_subclassing(self):
- o = {'names with spaces': 'should be presented using repr()',
- 'others.should.not.be': 'like.this'}
- exp = """\
- {'names with spaces': 'should be presented using repr()',
- others.should.not.be: like.this}"""
- self.assertEqual(DottedPrettyPrinter().pformat(o), exp)
-
-
- class DottedPrettyPrinter(pprint.PrettyPrinter):
-
- def format(self, object, context, maxlevels, level):
- if isinstance(object, str):
- if ' ' in object:
- return repr(object), 1, 0
- else:
- return object, 0, 0
- else:
- return pprint.PrettyPrinter.format(
- self, object, context, maxlevels, level)
-
-
- def test_main():
- test.test_support.run_unittest(QueryTestCase)
-
-
- if __name__ == "__main__":
- test_main()
-