mirror of https://github.com/python/cpython
126 lines
4.1 KiB
Python
126 lines
4.1 KiB
Python
import pprint
|
|
import unittest
|
|
from test import test_support
|
|
|
|
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_
|
|
for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, uni("yaddayadda"),
|
|
self.a, self.b):
|
|
verify(not pprint.isrecursive(safe),
|
|
"expected not isrecursive for " + `safe`)
|
|
verify(pprint.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_
|
|
|
|
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")
|
|
|
|
# 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):
|
|
verify(not pprint.isrecursive(safe),
|
|
"expected not isrecursive for " + `safe`)
|
|
verify(pprint.isreadable(safe),
|
|
"expected isreadable for " + `safe`)
|
|
|
|
def test_unreadable(self):
|
|
# Not recursive but not readable anyway
|
|
verify = self.assert_
|
|
for unreadable in type(3), pprint, pprint.isrecursive:
|
|
verify(not pprint.isrecursive(unreadable),
|
|
"expected not isrecursive for " + `unreadable`)
|
|
verify(not pprint.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_support.run_unittest(QueryTestCase)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|