import tox.ini (#1090)

import tox.ini

much faster than the other tests (less than 5 minutes), we don't need to build the collection first or to pull the ansible-test container
works from anyway, no need to copy the collection in .ansible/collections/ansible_collections/amazon/aws first
generate HTML coverage, e.g: https://c8cca5e7f93c66c3bfca-5f43057c94d0562db863016349fecb6f.ssl.cf5.rackcdn.com/1090/f1142b4b561938403637af89bfe76169da025d75/check/cloud-tox-py39/562db5d/docs/coverage/index.html
test with py39 currently, but we can extend the matrix
adjustment to properly reset some global variables. The problem doesn't happen with ansible-test because the tests are run in parallel and thus, there is no shared memory space.

Reviewed-by: Mark Chappell <None>

tests/unit/module_utils/conftest.py

@@ -7,10 +7,12 @@
 import json
 import sys
 from io import BytesIO
+import warnings
 
 import pytest
 
 import ansible.module_utils.basic
+import ansible.module_utils.common
 from ansible.module_utils.six import PY3, string_types
 from ansible.module_utils._text import to_bytes
 from ansible.module_utils.common._collections_compat import MutableMapping
@@ -23,6 +25,13 @@ def stdin(mocker, request):
     old_argv = sys.argv
     sys.argv = ['ansible_unittest']
 
+    for var in ["_global_warnings", "_global_deprecations"]:
+        if hasattr(ansible.module_utils.common.warnings, var):
+            setattr(ansible.module_utils.common.warnings, var, [])
+        else:
+            # No need to reset the value
+            warnings.warn("deprecated")
+
     if isinstance(request.param, string_types):
         args = request.param
     elif isinstance(request.param, MutableMapping):

tests/unit/module_utils/modules/ansible_aws_module/test_minimal_versions.py

@@ -9,6 +9,7 @@
 from pprint import pprint
 import pytest
 import json
+import warnings
 
 try:
     import botocore

tox.ini

@@ -0,0 +1,20 @@
+[tox]
+skipsdist=True
+envlist = clean,ansible{2.12,2.13}-py{38,39,310}-{with_constraints,without_constraints}
+
+[testenv]
+deps =
+  pytest
+  pytest-cov
+  ansible2.12: ansible-core>2.12,<2.13
+  ansible2.13: ansible-core>2.13,<2.14
+  !ansible2.12-!ansible2.13: ansible-core
+  pytest-ansible-units
+  -rtest-requirements.txt
+  with_constraints: -rtests/unit/constraints.txt
+commands = pytest --cov-report html --cov plugins {posargs:tests/}
+
+[testenv:clean]
+deps = coverage
+skip_install = true
+commands = coverage erase