def test_built(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
f = self.f()
f = f.include('b')
f = f.include('a')
self.assertEqual(f(c, self.d), mkD('a', 'b'))
self.assertEqual(len(c.failed_checks), 0)
def test_no_calls(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(_):
pass
body(c)
self.assertEqual(len(c.failed_checks), 0)
def test_success_call(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
check(True is True)
body(c)
self.assertEqual(len(c.failed_checks), 0)
def test_built_extra_includes(self):
f = self.f('a', 'b', 'x')
c = checker.Checker('<filename>', 0, f, (), {})
self.assertEqual(f(c, self.d), mkD('a', 'b'))
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(c.failed_checks[0].frames[-1].code,
'check((len(unused_includes) == 0))')
self.assertEqual(c.failed_checks[0].frames[-1].varmap,
{'unused_includes': "{'x': ()}"})
def test_simple_fail(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
check(True is False)
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', 'check((True is False))', {}))
def test_built_fields(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
f = self.f()
f = f.include('b', ['sub_b'])
f = f.include('a', ['sub_a'])
self.assertEqual(
f(c, self.d),
OrderedDict([
('a', mkS('a', 'sub_a')),
('b', mkS('b', 'sub_b')),
]))
self.assertEqual(len(c.failed_checks), 0)
def test_var_fail(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
val = True
check(val is False)
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', 'check((val is False))', {'val': 'True'}))
def test_re_high_limit(self):
f = self.f().include_re('b\.', at_most=1)
c = checker.Checker('<filename>', 0, f, (), {})
self.assertEqual(f(c, self.d), mkD('b.sub', 'b.sub2'))
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(c.failed_checks[0].frames[-1].code,
'check((re_usage_count[regex] <= at_most))')
self.assertEqual(
c.failed_checks[0].frames[-1].varmap, {
'at_most': '1',
're_usage_count[regex]': '2',
'regex': "re.compile('b\\\\.')"
})
def test_dict_lookup(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
targ = {'a': {'sub': 'b'}, 'c': 'd'}
check('cow' in targ['a'])
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', "check(('cow' in targ['a']))",
{"targ['a'].keys()": "['sub']"}))
def test_dict_membership(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
targ = {'a': 'b', 'c': 'd'}
check('a' not in targ)
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', "check(('a' not in targ))",
{'targ.keys()': "['a', 'c']"}))
def test_simple_fail_multiline_multistatement(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
other = 'thing'
falsey = lambda: False
check(True is falsey())
other # pylint: disable=pointless-statement
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', 'check((True is falsey())); other',
{'other': "'thing'"}))
def test_dict_lookup_nest(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
sub = 'sub'
targ = {'a': {'sub': 'whee'}, 'c': 'd'}
check('me' == targ['a'][sub])
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', "check(('me' == targ['a'][sub]))", {
"targ['a'][sub]": "'whee'",
'sub': "'sub'"
}))
def test_lambda_call(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
vals = ['whee', 'sub']
targ = {'a': {'sub': 'whee'}, 'c': 'd'}
map(lambda v: check(v in targ['a']), vals)
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 2)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', "map((lambda v: check((v in targ['a']))), vals)",
None))
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[1]),
self.mk('<lambda>',
"map((lambda v: check((v in targ['a']))), vals)", {
"targ['a'].keys()": "['sub']",
'v': "'whee'"
}))
def test_fail_nested_statement(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
def body(check):
other = 'thing'
falsey = lambda: False
if True:
while True:
try:
check(True is falsey())
other # pylint: disable=pointless-statement
break
except Exception:
pass
body(c)
self.assertEqual(len(c.failed_checks), 1)
self.assertEqual(len(c.failed_checks[0].frames), 1)
self.assertEqual(
self.sanitize(c.failed_checks[0].frames[0]),
self.mk('body', 'check((True is falsey())); other',
{'other': "'thing'"}))
def test_re(self):
f = self.f().include_re('b\.')
c = checker.Checker('<filename>', 0, f, (), {})
self.assertEqual(f(c, self.d), mkD('b.sub', 'b.sub2'))
self.assertEqual(len(c.failed_checks), 0)
def expect_fails(self, num_fails, func, *args, **kwargs):
c = checker.Checker('<filename>', 0, func, args, kwargs)
func(c, self.d, *args, **kwargs)
self.assertEqual(len(c.failed_checks), num_fails)
def test_basic(self):
c = checker.Checker('<filename>', 0, lambda: None, (), {})
self.assertEqual(self.f('a', 'b')(c, self.d), mkD('a', 'b'))
self.assertEqual(len(c.failed_checks), 0)
