Merge pull request openstack-charmers#655 from rgildein/chore/no-ref/…

…fix-action-object

Fix `unit.run` to support Juju 2.9 and 3.x

.github/workflows/tox.yaml

@@ -38,6 +38,7 @@ jobs:
           # - 3.1/stable
           # - 3.2/stable
           # - 3.3/stable
+          - 3.4/stable
         bundle:
           - first
           - second
@@ -59,6 +60,10 @@ jobs:
           # - juju_channel: 3.3/stable
           #   snap_install_flags: ""
           #   pip_constraints: constraints-juju33.txt
+          - juju_channel: 3.4/stable
+            snap_install_flags: ""
+            pip_constraints: constraints-juju34.txt
+            juju3: 1
     env:
       TEST_ZAZA_BUG_LP1987332: "on"  # http://pad.lv/1987332
     needs: build
@@ -93,6 +98,7 @@ jobs:
         set -euxo pipefail
         mkdir logs
         export PIP_CONSTRAINTS=$(pwd)/${{ matrix.pip_constraints }}
+        export TEST_JUJU3=${{ matrix.juju3 }}
         tox -e func-target -- ${{ matrix.bundle }} | tee logs/tox-output.txt
     - name: crashdump on failure
       if: failure()

constraints-juju34.txt

@@ -0,0 +1,9 @@
+# NOTE: this constraints file can be (and will be) consumed by downstream users.
+#
+# Known consumers:
+# * zosci-config: job definitions that declare what juju version (snap channel)
+#   is used in tandem with this constraints file to lockdown python-libjuju
+#   version.
+# * zaza-openstack-tests
+#
+juju>=3.4.0,<3.5.0

tox.ini

@@ -23,6 +23,11 @@ deps =
     -r{toxinidir}/test-requirements.txt
 commands = pytest --cov=./zaza/ {posargs} {toxinidir}/unit_tests
 
+[testenv:.pkg]
+pass_env =
+  # NOTE: This is required because tox>=4 will not pass env. See https://github.com/tox-dev/tox/issues/2543.
+  TEST_JUJU3
+
 [testenv:py3]
 basepython = python3