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- import pprint
- import test.test_support
- import unittest
-
- try:
- uni = unicode
- except NameError:
- def uni(x):
- return x
-
-
- 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 " + `safe`)
- verify(pprint.isreadable(safe),
- "expected isreadable for " + `safe`)
- # PrettyPrinter methods
- verify(not pp.isrecursive(safe),
- "expected not isrecursive for " + `safe`)
- verify(pp.isreadable(safe),
- "expected isreadable for " + `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 " + `safe`)
- verify(pprint.isreadable(safe),
- "expected isreadable for " + `safe`)
- # PrettyPrinter methods
- verify(not pp.isrecursive(safe),
- "expected not isrecursive for " + `safe`)
- verify(pp.isreadable(safe),
- "expected isreadable for " + `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 " + `unreadable`)
- verify(not pprint.isreadable(unreadable),
- "expected not isreadable for " + `unreadable`)
- # PrettyPrinter methods
- verify(not pp.isrecursive(unreadable),
- "expected not isrecursive for " + `unreadable`)
- verify(not pp.isreadable(unreadable),
- "expected not isreadable for " + `unreadable`)
-
- def test_same_as_repr(self):
- # Simple objects and small containers that should be same as repr()
- verify = self.assert_
- for simple in (0, 0L, 0+0j, 0.0, "", uni(""), (), [], {}, verify, pprint,
- -6, -6L, -6-6j, -1.5, "x", uni("x"), (3,), [3], {3: 6},
- (1,2), [3,4], {5: 6, 7: 8},
- {"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}"""
- self.assertEqual(pprint.pformat(o), 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 `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()
-