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# mypy: allow-untyped-defs
from
__future__
import
annotations
import
sys
from
textwrap
import
dedent
from
_pytest
.
pytester
import
Pytester
import
pytest
@
pytest
.
fixture
()
def
file_structure
(
pytester
:
Pytester
)
->
None
:
pytester
.
makepyfile
(
test_foo
=
"""
from foo import foo
def test_foo():
assert foo() == 1
"""
)
pytester
.
makepyfile
(
test_bar
=
"""
from bar import bar
def test_bar():
assert bar() == 2
"""
)
foo_py
=
pytester
.
mkdir
(
"sub"
)
/
"foo.py"
content
=
dedent
(
"""
def foo():
return 1
"""
)
foo_py
.
write_text
(
content
,
encoding
=
"utf-8"
)
bar_py
=
pytester
.
mkdir
(
"sub2"
)
/
"bar.py"
content
=
dedent
(
"""
def bar():
return 2
"""
)
bar_py
.
write_text
(
content
,
encoding
=
"utf-8"
)
def
test_one_dir
(
pytester
:
Pytester
,
file_structure
)
->
None
:
pytester
.
makefile
(
".ini"
,
pytest
=
"[pytest]
\n
pythonpath=sub
\n
"
)
result
=
pytester
.
runpytest
(
"test_foo.py"
)
assert
result
.
ret
==
0
result
.
assert_outcomes
(
passed
=
1
)
def
test_two_dirs
(
pytester
:
Pytester
,
file_structure
)
->
None
:
pytester
.
makefile
(
".ini"
,
pytest
=
"[pytest]
\n
pythonpath=sub sub2
\n
"
)
result
=
pytester
.
runpytest
(
"test_foo.py"
,
"test_bar.py"
)
assert
result
.
ret
==
0
result
.
assert_outcomes
(
passed
=
2
)
def
test_local_plugin
(
pytester
:
Pytester
,
file_structure
)
->
None
:
"""`pythonpath` kicks early enough to load plugins via -p (#11118)."""
localplugin_py
=
pytester
.
path
/
"sub"
/
"localplugin.py"
content
=
dedent
(
"""
def pytest_load_initial_conftests():
print("local plugin load")
def pytest_unconfigure():
print("local plugin unconfig")
"""
)
localplugin_py
.
write_text
(
content
,
encoding
=
"utf-8"
)
pytester
.
makeini
(
"[pytest]
\n
pythonpath=sub
\n
"
)
result
=
pytester
.
runpytest
(
"-plocalplugin"
,
"-s"
,
"test_foo.py"
)
result
.
stdout
.
fnmatch_lines
([
"local plugin load"
,
"local plugin unconfig"
])
assert
result
.
ret
==
0
result
.
assert_outcomes
(
passed
=
1
)
def
test_module_not_found
(
pytester
:
Pytester
,
file_structure
)
->
None
:
"""Without the pythonpath setting, the module should not be found."""
pytester
.
makefile
(
".ini"
,
pytest
=
"[pytest]
\n
"
)
result
=
pytester
.
runpytest
(
"test_foo.py"
)
assert
result
.
ret
==
pytest
.
ExitCode
.
INTERRUPTED
result
.
assert_outcomes
(
errors
=
1
)
expected_error
=
"E ModuleNotFoundError: No module named 'foo'"
result
.
stdout
.
fnmatch_lines
([
expected_error
])
def
test_no_ini
(
pytester
:
Pytester
,
file_structure
)
->
None
:
"""If no ini file, test should error."""
result
=
pytester
.
runpytest
(
"test_foo.py"
)
assert
result
.
ret
==
pytest
.
ExitCode
.
INTERRUPTED
result
.
assert_outcomes
(
errors
=
1
)
expected_error
=
"E ModuleNotFoundError: No module named 'foo'"
result
.
stdout
.
fnmatch_lines
([
expected_error
])
def
test_clean_up
(
pytester
:
Pytester
)
->
None
:
"""Test that the plugin cleans up after itself."""
# This is tough to test behaviorally because the cleanup really runs last.
# So the test make several implementation assumptions:
# - Cleanup is done in pytest_unconfigure().
# - Not a hook wrapper.
# So we can add a hook wrapper ourselves to test what it does.
pytester
.
makefile
(
".ini"
,
pytest
=
"[pytest]
\n
pythonpath=I_SHALL_BE_REMOVED
\n
"
)
pytester
.
makepyfile
(
test_foo
=
"""def test_foo(): pass"""
)
before
:
list
[
str
]
|
None
=
None
after
:
list
[
str
]
|
None
=
None
class
Plugin
:
@
pytest
.
hookimpl
(
tryfirst
=
True
)
def
pytest_unconfigure
(
self
)
->
None
:
nonlocal
before
before
=
sys
.
path
.
copy
()
result
=
pytester
.
runpytest_inprocess
(
plugins
=
[
Plugin
()])
after
=
sys
.
path
.
copy
()
assert
result
.
ret
==
0
assert
before
is
not
None
assert
after
is
not
None
assert
any
(
"I_SHALL_BE_REMOVED"
in
entry
for
entry
in
before
)
assert
not
any
(
"I_SHALL_BE_REMOVED"
in
entry
for
entry
in
after
)
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