mirror of https://github.com/python/cpython
498 lines
26 KiB
Python
498 lines
26 KiB
Python
import pprint
|
|
import test.support
|
|
import unittest
|
|
import test.test_set
|
|
import random
|
|
import collections
|
|
import itertools
|
|
|
|
# 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 Unorderable:
|
|
def __repr__(self):
|
|
return str(id(self))
|
|
|
|
class QueryTestCase(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.a = list(range(100))
|
|
self.b = list(range(200))
|
|
self.a[-12] = self.b
|
|
|
|
def test_basic(self):
|
|
# Verify .isrecursive() and .isreadable() w/o recursion
|
|
pp = pprint.PrettyPrinter()
|
|
for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, "yaddayadda",
|
|
self.a, self.b):
|
|
# module-level convenience functions
|
|
self.assertFalse(pprint.isrecursive(safe),
|
|
"expected not isrecursive for %r" % (safe,))
|
|
self.assertTrue(pprint.isreadable(safe),
|
|
"expected isreadable for %r" % (safe,))
|
|
# PrettyPrinter methods
|
|
self.assertFalse(pp.isrecursive(safe),
|
|
"expected not isrecursive for %r" % (safe,))
|
|
self.assertTrue(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
|
|
|
|
pp = pprint.PrettyPrinter()
|
|
|
|
for icky in self.a, self.b, self.d, (self.d, self.d):
|
|
self.assertTrue(pprint.isrecursive(icky), "expected isrecursive")
|
|
self.assertFalse(pprint.isreadable(icky), "expected not isreadable")
|
|
self.assertTrue(pp.isrecursive(icky), "expected isrecursive")
|
|
self.assertFalse(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
|
|
self.assertFalse(pprint.isrecursive(safe),
|
|
"expected not isrecursive for %r" % (safe,))
|
|
self.assertTrue(pprint.isreadable(safe),
|
|
"expected isreadable for %r" % (safe,))
|
|
# PrettyPrinter methods
|
|
self.assertFalse(pp.isrecursive(safe),
|
|
"expected not isrecursive for %r" % (safe,))
|
|
self.assertTrue(pp.isreadable(safe),
|
|
"expected isreadable for %r" % (safe,))
|
|
|
|
def test_unreadable(self):
|
|
# Not recursive but not readable anyway
|
|
pp = pprint.PrettyPrinter()
|
|
for unreadable in type(3), pprint, pprint.isrecursive:
|
|
# module-level convenience functions
|
|
self.assertFalse(pprint.isrecursive(unreadable),
|
|
"expected not isrecursive for %r" % (unreadable,))
|
|
self.assertFalse(pprint.isreadable(unreadable),
|
|
"expected not isreadable for %r" % (unreadable,))
|
|
# PrettyPrinter methods
|
|
self.assertFalse(pp.isrecursive(unreadable),
|
|
"expected not isrecursive for %r" % (unreadable,))
|
|
self.assertFalse(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().
|
|
# Ahem. The docs don't say anything about that -- this appears to
|
|
# be testing an implementation quirk. Starting in Python 2.5, it's
|
|
# not true for dicts: pprint always sorts dicts by key now; before,
|
|
# it sorted a dict display if and only if the display required
|
|
# multiple lines. For that reason, dicts with more than one element
|
|
# aren't tested here.
|
|
for simple in (0, 0, 0+0j, 0.0, "", b"",
|
|
(), tuple2(), tuple3(),
|
|
[], list2(), list3(),
|
|
{}, dict2(), dict3(),
|
|
self.assertTrue, pprint,
|
|
-6, -6, -6-6j, -1.5, "x", b"x", (3,), [3], {3: 6},
|
|
(1,2), [3,4], {5: 6},
|
|
tuple2((1,2)), tuple3((1,2)), tuple3(range(100)),
|
|
[3,4], list2([3,4]), list3([3,4]), list3(range(100)),
|
|
dict2({5: 6}), dict3({5: 6}),
|
|
range(10, -11, -1)
|
|
):
|
|
native = repr(simple)
|
|
for function in "pformat", "saferepr":
|
|
f = getattr(pprint, function)
|
|
got = f(simple)
|
|
self.assertEqual(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_nested_indentations(self):
|
|
o1 = list(range(10))
|
|
o2 = dict(first=1, second=2, third=3)
|
|
o = [o1, o2]
|
|
expected = """\
|
|
[ [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
|
|
{ 'first': 1,
|
|
'second': 2,
|
|
'third': 3}]"""
|
|
self.assertEqual(pprint.pformat(o, indent=4, width=42), expected)
|
|
|
|
def test_sorted_dict(self):
|
|
# Starting in Python 2.5, pprint sorts dict displays by key regardless
|
|
# of how small the dictionary may be.
|
|
# Before the change, on 32-bit Windows pformat() gave order
|
|
# 'a', 'c', 'b' here, so this test failed.
|
|
d = {'a': 1, 'b': 1, 'c': 1}
|
|
self.assertEqual(pprint.pformat(d), "{'a': 1, 'b': 1, 'c': 1}")
|
|
self.assertEqual(pprint.pformat([d, d]),
|
|
"[{'a': 1, 'b': 1, 'c': 1}, {'a': 1, 'b': 1, 'c': 1}]")
|
|
|
|
# The next one is kind of goofy. The sorted order depends on the
|
|
# alphabetic order of type names: "int" < "str" < "tuple". Before
|
|
# Python 2.5, this was in the test_same_as_repr() test. It's worth
|
|
# keeping around for now because it's one of few tests of pprint
|
|
# against a crazy mix of types.
|
|
self.assertEqual(pprint.pformat({"xy\tab\n": (3,), 5: [[]], (): {}}),
|
|
r"{5: [[]], 'xy\tab\n': (3,), (): {}}")
|
|
|
|
def test_ordered_dict(self):
|
|
words = 'the quick brown fox jumped over a lazy dog'.split()
|
|
d = collections.OrderedDict(zip(words, itertools.count()))
|
|
self.assertEqual(pprint.pformat(d),
|
|
"""\
|
|
{'the': 0,
|
|
'quick': 1,
|
|
'brown': 2,
|
|
'fox': 3,
|
|
'jumped': 4,
|
|
'over': 5,
|
|
'a': 6,
|
|
'lazy': 7,
|
|
'dog': 8}""")
|
|
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)
|
|
|
|
@unittest.expectedFailure
|
|
#See http://bugs.python.org/issue13907
|
|
@test.support.cpython_only
|
|
def test_set_reprs(self):
|
|
# This test creates a complex arrangement of frozensets and
|
|
# compares the pretty-printed repr against a string hard-coded in
|
|
# the test. The hard-coded repr depends on the sort order of
|
|
# frozensets.
|
|
#
|
|
# However, as the docs point out: "Since sets only define
|
|
# partial ordering (subset relationships), the output of the
|
|
# list.sort() method is undefined for lists of sets."
|
|
#
|
|
# In a nutshell, the test assumes frozenset({0}) will always
|
|
# sort before frozenset({1}), but:
|
|
#
|
|
# >>> frozenset({0}) < frozenset({1})
|
|
# False
|
|
# >>> frozenset({1}) < frozenset({0})
|
|
# False
|
|
#
|
|
# Consequently, this test is fragile and
|
|
# implementation-dependent. Small changes to Python's sort
|
|
# algorithm cause the test to fail when it should pass.
|
|
# XXX Or changes to the dictionary implmentation...
|
|
|
|
self.assertEqual(pprint.pformat(set()), 'set()')
|
|
self.assertEqual(pprint.pformat(set(range(3))), '{0, 1, 2}')
|
|
self.assertEqual(pprint.pformat(frozenset()), 'frozenset()')
|
|
|
|
self.assertEqual(pprint.pformat(frozenset(range(3))), 'frozenset({0, 1, 2})')
|
|
cube_repr_tgt = """\
|
|
{frozenset(): frozenset({frozenset({2}), frozenset({0}), frozenset({1})}),
|
|
frozenset({0}): frozenset({frozenset(),
|
|
frozenset({0, 2}),
|
|
frozenset({0, 1})}),
|
|
frozenset({1}): frozenset({frozenset(),
|
|
frozenset({1, 2}),
|
|
frozenset({0, 1})}),
|
|
frozenset({2}): frozenset({frozenset(),
|
|
frozenset({1, 2}),
|
|
frozenset({0, 2})}),
|
|
frozenset({1, 2}): frozenset({frozenset({2}),
|
|
frozenset({1}),
|
|
frozenset({0, 1, 2})}),
|
|
frozenset({0, 2}): frozenset({frozenset({2}),
|
|
frozenset({0}),
|
|
frozenset({0, 1, 2})}),
|
|
frozenset({0, 1}): frozenset({frozenset({0}),
|
|
frozenset({1}),
|
|
frozenset({0, 1, 2})}),
|
|
frozenset({0, 1, 2}): frozenset({frozenset({1, 2}),
|
|
frozenset({0, 2}),
|
|
frozenset({0, 1})})}"""
|
|
cube = test.test_set.cube(3)
|
|
self.assertEqual(pprint.pformat(cube), cube_repr_tgt)
|
|
cubo_repr_tgt = """\
|
|
{frozenset({frozenset({0, 2}), frozenset({0})}): frozenset({frozenset({frozenset({0,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
1})}),
|
|
frozenset({frozenset(),
|
|
frozenset({0})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({0,
|
|
2})})}),
|
|
frozenset({frozenset({0, 1}), frozenset({1})}): frozenset({frozenset({frozenset({0,
|
|
1}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
1})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({1})})}),
|
|
frozenset({frozenset({1, 2}), frozenset({1})}): frozenset({frozenset({frozenset({1,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({1})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({0,
|
|
1})})}),
|
|
frozenset({frozenset({1, 2}), frozenset({2})}): frozenset({frozenset({frozenset({1,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({0,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({2})})}),
|
|
frozenset({frozenset(), frozenset({0})}): frozenset({frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
1})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({1})}),
|
|
frozenset({frozenset(),
|
|
frozenset({2})})}),
|
|
frozenset({frozenset(), frozenset({1})}): frozenset({frozenset({frozenset(),
|
|
frozenset({0})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({2})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({0,
|
|
1})})}),
|
|
frozenset({frozenset({2}), frozenset()}): frozenset({frozenset({frozenset({2}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({0})}),
|
|
frozenset({frozenset(),
|
|
frozenset({1})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({0,
|
|
2})})}),
|
|
frozenset({frozenset({0, 1, 2}), frozenset({0, 1})}): frozenset({frozenset({frozenset({1,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
1})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({0,
|
|
1})})}),
|
|
frozenset({frozenset({0}), frozenset({0, 1})}): frozenset({frozenset({frozenset(),
|
|
frozenset({0})}),
|
|
frozenset({frozenset({0,
|
|
1}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
2})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({0,
|
|
1})})}),
|
|
frozenset({frozenset({2}), frozenset({0, 2})}): frozenset({frozenset({frozenset({0,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
2})}),
|
|
frozenset({frozenset(),
|
|
frozenset({2})})}),
|
|
frozenset({frozenset({0, 1, 2}), frozenset({0, 2})}): frozenset({frozenset({frozenset({1,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0,
|
|
1}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0}),
|
|
frozenset({0,
|
|
2})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({0,
|
|
2})})}),
|
|
frozenset({frozenset({1, 2}), frozenset({0, 1, 2})}): frozenset({frozenset({frozenset({0,
|
|
2}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({0,
|
|
1}),
|
|
frozenset({0,
|
|
1,
|
|
2})}),
|
|
frozenset({frozenset({2}),
|
|
frozenset({1,
|
|
2})}),
|
|
frozenset({frozenset({1}),
|
|
frozenset({1,
|
|
2})})})}"""
|
|
|
|
cubo = test.test_set.linegraph(cube)
|
|
self.assertEqual(pprint.pformat(cubo), cubo_repr_tgt)
|
|
|
|
def test_depth(self):
|
|
nested_tuple = (1, (2, (3, (4, (5, 6)))))
|
|
nested_dict = {1: {2: {3: {4: {5: {6: 6}}}}}}
|
|
nested_list = [1, [2, [3, [4, [5, [6, []]]]]]]
|
|
self.assertEqual(pprint.pformat(nested_tuple), repr(nested_tuple))
|
|
self.assertEqual(pprint.pformat(nested_dict), repr(nested_dict))
|
|
self.assertEqual(pprint.pformat(nested_list), repr(nested_list))
|
|
|
|
lv1_tuple = '(1, (...))'
|
|
lv1_dict = '{1: {...}}'
|
|
lv1_list = '[1, [...]]'
|
|
self.assertEqual(pprint.pformat(nested_tuple, depth=1), lv1_tuple)
|
|
self.assertEqual(pprint.pformat(nested_dict, depth=1), lv1_dict)
|
|
self.assertEqual(pprint.pformat(nested_list, depth=1), lv1_list)
|
|
|
|
def test_sort_unorderable_values(self):
|
|
# Issue 3976: sorted pprints fail for unorderable values.
|
|
n = 20
|
|
keys = [Unorderable() for i in range(n)]
|
|
random.shuffle(keys)
|
|
skeys = sorted(keys, key=id)
|
|
clean = lambda s: s.replace(' ', '').replace('\n','')
|
|
|
|
self.assertEqual(clean(pprint.pformat(set(keys))),
|
|
'{' + ','.join(map(repr, skeys)) + '}')
|
|
self.assertEqual(clean(pprint.pformat(frozenset(keys))),
|
|
'frozenset({' + ','.join(map(repr, skeys)) + '})')
|
|
self.assertEqual(clean(pprint.pformat(dict.fromkeys(keys))),
|
|
'{' + ','.join('%r:None' % k for k in skeys) + '}')
|
|
|
|
# Issue 10017: TypeError on user-defined types as dict keys.
|
|
self.assertEqual(pprint.pformat({Unorderable: 0, 1: 0}),
|
|
'{1: 0, ' + repr(Unorderable) +': 0}')
|
|
|
|
# Issue 14998: TypeError on tuples with NoneTypes as dict keys.
|
|
keys = [(1,), (None,)]
|
|
self.assertEqual(pprint.pformat(dict.fromkeys(keys, 0)),
|
|
'{%r: 0, %r: 0}' % tuple(sorted(keys, key=id)))
|
|
|
|
|
|
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.support.run_unittest(QueryTestCase)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|