1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Copyright the Hypothesis Authors.
# Individual contributors are listed in AUTHORS.rst and the git log.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
from contextlib import contextmanager
from hypothesis import example, find, given
from hypothesis._settings import Verbosity, settings
from hypothesis.reporting import default as default_reporter, with_reporter
from hypothesis.strategies import booleans, integers, lists
from tests.common.debug import minimal
from tests.common.utils import Why, capture_out, fails, xfail_on_crosshair
@contextmanager
def capture_verbosity():
with capture_out() as o:
# NOTE: For compatibility with Python 3.9's LL(1)
# parser, this is written as a nested with-statement,
# instead of a compound one.
with with_reporter(default_reporter):
yield o
def test_prints_intermediate_in_success():
with capture_verbosity() as o:
@settings(verbosity=Verbosity.verbose)
@given(booleans())
def test_works(x):
pass
test_works()
assert "Trying example" in o.getvalue()
def test_does_not_log_in_quiet_mode():
with capture_verbosity() as o:
@fails
@settings(verbosity=Verbosity.quiet, print_blob=False)
@given(integers())
def test_foo(x):
raise AssertionError
test_foo()
assert not o.getvalue()
def test_includes_progress_in_verbose_mode():
with capture_verbosity() as o:
minimal(
lists(integers(), min_size=1),
lambda x: sum(x) >= 100,
settings(verbosity=Verbosity.verbose),
)
out = o.getvalue()
assert out
assert "Trying example: " in out
@xfail_on_crosshair(Why.symbolic_outside_context, strict=False)
def test_prints_initial_attempts_on_find():
with capture_verbosity() as o:
def foo():
seen = []
def not_first(x):
if not seen:
seen.append(x)
return False
return x not in seen
find(
integers(),
not_first,
settings=settings(verbosity=Verbosity.verbose, max_examples=1000),
)
foo()
assert "Trying example" in o.getvalue()
def test_includes_intermediate_results_in_verbose_mode():
with capture_verbosity() as o:
@fails
@settings(
verbosity=Verbosity.verbose,
database=None,
derandomize=True,
max_examples=100,
)
@given(lists(integers(), min_size=1))
def test_foo(x):
assert sum(x) < 10000
test_foo()
lines = o.getvalue().splitlines()
assert len([l for l in lines if "example" in l]) > 2
assert [l for l in lines if "AssertionError" in l]
@example(0)
@settings(verbosity=Verbosity.quiet)
@given(integers())
def test_no_indexerror_in_quiet_mode(x):
# Regression tests for https://github.com/HypothesisWorks/hypothesis/issues/2696
# where quiet mode -> no fragments to report -> IndexError accessing first report
pass
@fails
@example(0)
@settings(verbosity=Verbosity.quiet, report_multiple_bugs=True)
@given(integers())
def test_no_indexerror_in_quiet_mode_report_multiple(x):
assert x
@fails
@example(0)
@settings(verbosity=Verbosity.quiet, report_multiple_bugs=False)
@given(integers())
def test_no_indexerror_in_quiet_mode_report_one(x):
assert x
|
