Make acme tests internal (#9625)

This is a first step towards implementing the plan I described at https://github.com/certbot/certbot/issues/7909#issuecomment-1448675456 which got a +1 from both Erica and Will. Similar changes for our other packages will be made in followup PRs to try and make this easier to review.

It may be helpful to look at https://github.com/certbot/certbot/pull/7600 when reviewing this PR where we did something similar in the past.

The value of `ignore-paths` in `.pylintrc` should work on Windows based on https://pylint.readthedocs.io/en/latest/user_guide/configuration/all-options.html#ignore-paths and the fact that on macOS/linux, changing path delimiters to `\` still causes these directories to be ignored.

I started testing this for mypy as well, but mypy doesn't current pass for us on Windows so I didn't bother and took this opportunity to remove it from the default environments in `tox.ini`. I'll update https://github.com/certbot/certbot/issues/7803 to mention that the value of `exclude` in `mypy.ini` may need to be tweaked if anyone works on that issue.

* make acme tests internal

* no mypy-win

.pylintrc

@@ -48,7 +48,10 @@ ignore=CVS
 # ignore-list. The regex matches against paths and can be in Posix or Windows
 # format. Because '\' represents the directory delimiter on Windows systems, it
 # can't be used as an escape character.
-ignore-paths=
+# CERTBOT COMMENT
+# Changing this line back to the default of `ignore-paths=` is being tracked by
+# https://github.com/certbot/certbot/issues/7908.
+ignore-paths=.*/_internal/tests/
 
 # Files or directories matching the regular expression patterns are skipped.
 # The regex matches against base names, not paths. The default value ignores

acme/MANIFEST.in

@@ -3,7 +3,7 @@ include README.rst
 include pytest.ini
 recursive-include docs *
 recursive-include examples *
-recursive-include tests *
+recursive-include acme/_internal/tests/testdata *
 include acme/py.typed
 global-exclude __pycache__
 global-exclude *.py[cod]

acme/acme/_internal/__init__.py

@@ -0,0 +1 @@
+"""acme's internal implementation"""

acme/acme/_internal/tests/__init__.py

@@ -0,0 +1 @@
+"""acme tests"""

acme/acme/_internal/tests/challenges_test.py

@@ -11,7 +11,7 @@ import pytest
 import requests
 
 from acme import errors
-import test_util
+from acme._internal.tests import test_util
 
 CERT = test_util.load_comparable_cert('cert.pem')
 KEY = jose.JWKRSA(key=test_util.load_rsa_private_key('rsa512_key.pem'))

acme/acme/_internal/tests/client_test.py

@@ -17,10 +17,10 @@ from acme import challenges
 from acme import errors
 from acme import jws as acme_jws
 from acme import messages
+from acme._internal.tests import messages_test
+from acme._internal.tests import test_util
 from acme.client import ClientNetwork
 from acme.client import ClientV2
-import messages_test
-import test_util
 
 CERT_SAN_PEM = test_util.load_vector('cert-san.pem')
 CSR_MIXED_PEM = test_util.load_vector('csr-mixed.pem')

acme/acme/_internal/tests/crypto_util_test.py

@@ -14,7 +14,7 @@ import OpenSSL
 import pytest
 
 from acme import errors
-import test_util
+from acme._internal.tests import test_util
 
 
 class SSLSocketAndProbeSNITest(unittest.TestCase):

acme/acme/_internal/tests/jws_test.py

@@ -5,7 +5,7 @@ import unittest
 import josepy as jose
 import pytest
 
-import test_util
+from acme._internal.tests import test_util
 
 KEY = jose.JWKRSA.load(test_util.load_vector('rsa512_key.pem'))
 

acme/acme/_internal/tests/messages_test.py

@@ -10,7 +10,7 @@ import josepy as jose
 import pytest
 
 from acme import challenges
-import test_util
+from acme._internal.tests import test_util
 
 CERT = test_util.load_comparable_cert('cert.der')
 CSR = test_util.load_comparable_csr('csr.der')

acme/acme/_internal/tests/standalone_test.py

@@ -15,7 +15,7 @@ import requests
 from acme import challenges
 from acme import crypto_util
 from acme import errors
-import test_util
+from acme._internal.tests import test_util
 
 
 class TLSServerTest(unittest.TestCase):

mypy.ini

@@ -1,4 +1,7 @@
 [mypy]
+# Removing this exclude setting is being tracked by
+# https://github.com/certbot/certbot/issues/7909.
+exclude = .*/_internal/tests/
 ignore_missing_imports = True
 warn_unused_ignores = True
 show_error_codes = True

tox.ini

@@ -4,7 +4,9 @@
 
 [tox]
 skipsdist = true
-envlist = {cover,lint,mypy}-{win,posix}
+# mypy doesn't current pass for us on Windows. Fixing that is being tracked by
+# https://github.com/certbot/certbot/issues/7803.
+envlist = {cover,lint}-{win,posix},mypy-posix
 
 [base]
 # pip installs the requested packages in editable mode