Refactor tests out of packaged module for acme plugin (#7600)

* Move acme tests to tests/ directory outside of acme module

* Fix call to messages_test in client_test

* Move test_util.py and testdata/ into tests/

* Update manifest to package tests

* Exclude pycache and .py[cod]

acme/MANIFEST.in

@@ -3,4 +3,6 @@ include README.rst
 include pytest.ini
 recursive-include docs *
 recursive-include examples *
-recursive-include acme/testdata *
+recursive-include tests *
+global-exclude __pycache__
+global-exclude *.py[cod]

acme/tests/challenges_test.py

@@ -7,7 +7,7 @@ import requests
 
 from six.moves.urllib import parse as urllib_parse  # pylint: disable=relative-import
 
-from acme import test_util
+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/tests/client_test.py

@@ -16,10 +16,10 @@ from acme import challenges
 from acme import errors
 from acme import jws as acme_jws
 from acme import messages
-from acme import messages_test
-from acme import test_util
 from acme.magic_typing import Dict # pylint: disable=unused-import, no-name-in-module
 
+import messages_test
+import test_util
 
 CERT_DER = test_util.load_vector('cert.der')
 CERT_SAN_PEM = test_util.load_vector('cert-san.pem')

acme/tests/crypto_util_test.py

@@ -12,9 +12,9 @@ import josepy as jose
 import OpenSSL
 
 from acme import errors
-from acme import test_util
 from acme.magic_typing import List # pylint: disable=unused-import, no-name-in-module
 
+import test_util
 
 class SSLSocketAndProbeSNITest(unittest.TestCase):
     """Tests for acme.crypto_util.SSLSocket/probe_sni."""

acme/tests/jws_test.py

@@ -3,7 +3,7 @@ import unittest
 
 import josepy as jose
 
-from acme import test_util
+import test_util
 
 
 KEY = jose.JWKRSA.load(test_util.load_vector('rsa512_key.pem'))

acme/tests/messages_test.py

@@ -5,9 +5,9 @@ import josepy as jose
 import mock
 
 from acme import challenges
-from acme import test_util
 from acme.magic_typing import Dict # pylint: disable=unused-import, no-name-in-module
 
+import test_util
 
 CERT = test_util.load_comparable_cert('cert.der')
 CSR = test_util.load_comparable_csr('csr.der')

acme/tests/standalone_test.py

@@ -11,9 +11,9 @@ import mock
 import requests
 
 from acme import challenges
-from acme import test_util
 from acme.magic_typing import Set # pylint: disable=unused-import, no-name-in-module
 
+import test_util
 
 class TLSServerTest(unittest.TestCase):
     """Tests for acme.standalone.TLSServer."""