def test_numbers(self):
eq = self.assertEqual
eq(r(123), repr(123))
eq(r(123), repr(123))
eq(r(1.0/3), repr(1.0/3))
n = 10**100
expected = repr(n)[:18] + "..." + repr(n)[-19:]
eq(r(n), expected)
def test_tuple(self):
eq = self.assertEqual
eq(r((1,)), "(1,)")
t3 = (1, 2, 3)
eq(r(t3), "(1, 2, 3)")
r2 = Repr()
r2.maxtuple = 2
expected = repr(t3)[:-2] + "...)"
eq(r2.repr(t3), expected)
def test_string(self):
eq = self.assertEqual
eq(r("abc"), "'abc'")
eq(r("abcdefghijklmnop"),"'abcdefghijklmnop'")
s = "a"*30+"b"*30
expected = repr(s)[:13] + "..." + repr(s)[-14:]
eq(r(s), expected)
eq(r("\"'"), repr("\"'"))
s = "\""*30+"'"*100
expected = repr(s)[:13] + "..." + repr(s)[-14:]
eq(r(s), expected)
def test_instance(self):
eq = self.assertEqual
i1 = ClassWithRepr("a")
eq(r(i1), repr(i1))
i2 = ClassWithRepr("x"*1000)
expected = repr(i2)[:13] + "..." + repr(i2)[-14:]
eq(r(i2), expected)
i3 = ClassWithFailingRepr()
eq(r(i3), ("<ClassWithFailingRepr instance at %x>"%id(i3)))
s = r(ClassWithFailingRepr)
self.assertTrue(s.startswith("<class "))
self.assertTrue(s.endswith(">"))
self.assertIn(s.find("..."), [12, 13])
def test_cell(self):
def get_cell():
x = 42
def inner():
return x
return inner
x = get_cell().__closure__[0]
self.assertRegex(repr(x), r'<cell at 0x[0-9A-Fa-f]+: '
r'int object at 0x[0-9A-Fa-f]+>')
self.assertRegex(r(x), r'<cell at 0x.*\.\.\..*>')
def test_nesting(self):
eq = self.assertEqual
# everything is meant to give up after 6 levels.
eq(r([[[[[[[]]]]]]]), "[[[[[[[]]]]]]]")
eq(r([[[[[[[[]]]]]]]]), "[[[[[[[...]]]]]]]")
eq(r(nestedTuple(6)), "(((((((),),),),),),)")
eq(r(nestedTuple(7)), "(((((((...),),),),),),)")
eq(r({nestedTuple(5): nestedTuple(5)}), "{((((((),),),),),): ((((((),),),),),)}")
eq(r({nestedTuple(6): nestedTuple(6)}), "{((((((...),),),),),): ((((((...),),),),),)}")
eq(r([[[[[[{}]]]]]]), "[[[[[[{}]]]]]]")
eq(r([[[[[[[{}]]]]]]]), "[[[[[[[...]]]]]]]")
def test_unsortable(self):
# Repr.repr() used to call sorted() on sets, frozensets and dicts
# without taking into account that not all objects are comparable
x = set([1j, 2j, 3j])
y = frozenset(x)
z = {1j: 1, 2j: 2}
r(x)
r(y)
r(z)
def test_cell_repr(self):
import re
from reprlib import repr as r # Don't shadow builtin repr
def get_cell():
x = 42
def inner():
return x
return inner
x = get_cell().__closure__[0]
assert re.match(r'<cell at 0x[0-9A-Fa-f]+: int object at 0x[0-9A-Fa-f]+>', repr(x))
assert re.match(r'<cell at 0x.*\.\.\..*>', r(x))
def get_cell():
if False:
x = 42
def inner():
return x
return inner
x = get_cell().__closure__[0]
assert re.match(r'<cell at 0x[0-9A-Fa-f]+: empty>', repr(x))
def test_container(self):
from array import array
from collections import deque
eq = self.assertEqual
# Tuples give up after 6 elements
eq(r(()), "()")
eq(r((1,)), "(1,)")
eq(r((1, 2, 3)), "(1, 2, 3)")
eq(r((1, 2, 3, 4, 5, 6)), "(1, 2, 3, 4, 5, 6)")
eq(r((1, 2, 3, 4, 5, 6, 7)), "(1, 2, 3, 4, 5, 6, ...)")
# Lists give up after 6 as well
eq(r([]), "[]")
eq(r([1]), "[1]")
eq(r([1, 2, 3]), "[1, 2, 3]")
eq(r([1, 2, 3, 4, 5, 6]), "[1, 2, 3, 4, 5, 6]")
eq(r([1, 2, 3, 4, 5, 6, 7]), "[1, 2, 3, 4, 5, 6, ...]")
# Sets give up after 6 as well
eq(r(set([])), "set([])")
eq(r(set([1])), "set([1])")
eq(r(set([1, 2, 3])), "set([1, 2, 3])")
eq(r(set([1, 2, 3, 4, 5, 6])), "set([1, 2, 3, 4, 5, 6])")
eq(r(set([1, 2, 3, 4, 5, 6, 7])), "set([1, 2, 3, 4, 5, 6, ...])")
# Frozensets give up after 6 as well
eq(r(frozenset([])), "frozenset([])")
eq(r(frozenset([1])), "frozenset([1])")
eq(r(frozenset([1, 2, 3])), "frozenset([1, 2, 3])")
eq(r(frozenset([1, 2, 3, 4, 5, 6])), "frozenset([1, 2, 3, 4, 5, 6])")
eq(r(frozenset([1, 2, 3, 4, 5, 6, 7])), "frozenset([1, 2, 3, 4, 5, 6, ...])")
# collections.deque after 6
eq(r(deque([1, 2, 3, 4, 5, 6, 7])), "deque([1, 2, 3, 4, 5, 6, ...])")
# Dictionaries give up after 4.
eq(r({}), "{}")
d = {'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}
eq(r(d), "{'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}")
d['arthur'] = 1
eq(r(d), "{'alice': 1, 'arthur': 1, 'bob': 2, 'charles': 3, ...}")
# array.array after 5.
eq(r(array('i')), "array('i', [])")
eq(r(array('i', [1])), "array('i', [1])")
eq(r(array('i', [1, 2])), "array('i', [1, 2])")
eq(r(array('i', [1, 2, 3])), "array('i', [1, 2, 3])")
eq(r(array('i', [1, 2, 3, 4])), "array('i', [1, 2, 3, 4])")
eq(r(array('i', [1, 2, 3, 4, 5])), "array('i', [1, 2, 3, 4, 5])")
eq(r(array('i', [1, 2, 3, 4, 5, 6])),
"array('i', [1, 2, 3, 4, 5, ...])")
def test_frozenset(self):
eq = self.assertEqual
eq(r(frozenset({1})), "frozenset({1})")
eq(r(frozenset({1, 2, 3})), "frozenset({1, 2, 3})")
eq(r(frozenset({1, 2, 3, 4, 5, 6})), "frozenset({1, 2, 3, 4, 5, 6})")
eq(r(frozenset({1, 2, 3, 4, 5, 6, 7})), "frozenset({1, 2, 3, 4, 5, 6, ...})")
def test_set_literal(self):
eq = self.assertEqual
eq(r({1}), "{1}")
eq(r({1, 2, 3}), "{1, 2, 3}")
eq(r({1, 2, 3, 4, 5, 6}), "{1, 2, 3, 4, 5, 6}")
eq(r({1, 2, 3, 4, 5, 6, 7}), "{1, 2, 3, 4, 5, 6, ...}")
def test_set_literal(self):
eq = self.assertEqual
eq(r({1}), "{1}")
eq(r({1, 2, 3}), "{1, 2, 3}")
eq(r({1, 2, 3, 4, 5, 6}), "{1, 2, 3, 4, 5, 6}")
eq(r({1, 2, 3, 4, 5, 6, 7}), "{1, 2, 3, 4, 5, 6, ...}")
def test_container(self):
from array import array
from collections import deque
eq = self.assertEqual
# Tuples give up after 6 elements
eq(r(()), "()")
eq(r((1, )), "(1,)")
eq(r((1, 2, 3)), "(1, 2, 3)")
eq(r((1, 2, 3, 4, 5, 6)), "(1, 2, 3, 4, 5, 6)")
eq(r((1, 2, 3, 4, 5, 6, 7)), "(1, 2, 3, 4, 5, 6, ...)")
# Lists give up after 6 as well
eq(r([]), "[]")
eq(r([1]), "[1]")
eq(r([1, 2, 3]), "[1, 2, 3]")
eq(r([1, 2, 3, 4, 5, 6]), "[1, 2, 3, 4, 5, 6]")
eq(r([1, 2, 3, 4, 5, 6, 7]), "[1, 2, 3, 4, 5, 6, ...]")
# Sets give up after 6 as well
eq(r(set([])), "set([])")
eq(r(set([1])), "set([1])")
eq(r(set([1, 2, 3])), "set([1, 2, 3])")
eq(r(set([1, 2, 3, 4, 5, 6])), "set([1, 2, 3, 4, 5, 6])")
eq(r(set([1, 2, 3, 4, 5, 6, 7])), "set([1, 2, 3, 4, 5, 6, ...])")
# Frozensets give up after 6 as well
eq(r(frozenset([])), "frozenset([])")
eq(r(frozenset([1])), "frozenset([1])")
eq(r(frozenset([1, 2, 3])), "frozenset([1, 2, 3])")
eq(r(frozenset([1, 2, 3, 4, 5, 6])), "frozenset([1, 2, 3, 4, 5, 6])")
eq(r(frozenset([1, 2, 3, 4, 5, 6, 7])),
"frozenset([1, 2, 3, 4, 5, 6, ...])")
# collections.deque after 6
eq(r(deque([1, 2, 3, 4, 5, 6, 7])), "deque([1, 2, 3, 4, 5, 6, ...])")
# Dictionaries give up after 4.
eq(r({}), "{}")
d = {'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}
eq(r(d), "{'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}")
d['arthur'] = 1
eq(r(d), "{'alice': 1, 'arthur': 1, 'bob': 2, 'charles': 3, ...}")
# array.array after 5.
eq(r(array('i')), "array('i', [])")
eq(r(array('i', [1])), "array('i', [1])")
eq(r(array('i', [1, 2])), "array('i', [1, 2])")
eq(r(array('i', [1, 2, 3])), "array('i', [1, 2, 3])")
eq(r(array('i', [1, 2, 3, 4])), "array('i', [1, 2, 3, 4])")
eq(r(array('i', [1, 2, 3, 4, 5])), "array('i', [1, 2, 3, 4, 5])")
eq(r(array('i', [1, 2, 3, 4, 5, 6])),
"array('i', [1, 2, 3, 4, 5, ...])")