chore: Add tox configuration

Add tox configuration that allows to build a venv for development and to
format source files. To make use of it add appropriate Makefile targets.

Drop unneeded requirements from requirements.txt and
test-requirements.txt and add needed requirements.

Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>

.gitignore

@@ -136,6 +136,9 @@ bin/
 *.tar.gz
 *.zip
 
+# pytest-ansible
+collections/
+
 # Collection specific ignores
 /changelogs/.plugin-cache.yaml
 /tests/output/

Makefile

@@ -7,3 +7,12 @@ cluster-up:
 .PHONY: cluster-down
 cluster-down:
 	hack/e2e-setup.sh --cleanup
+
+.PHONY: build-venv
+build-venv:
+	tox run -e venv
+	ln -sf .tox/venv .venv
+
+.PHONY: format
+format:
+	tox run -e format

galaxy.yml

@@ -35,6 +35,7 @@ build_ignore:
   - Makefile
   - OWNERS
   - REVIEW_CHECKLIST.md
+  - tox.ini
   - '*.tar.gz'
   - '*.zip'
   - docs/_gh_include

test-requirements.txt

@@ -1,9 +1,4 @@
-kubernetes-validate
-coverage==4.5.4
-mock
 pytest
-pytest-xdist
-pytest-mock
-pytest-forked
-virtualenv
 pytest-ansible
+pytest-xdist
+tox-ansible

tests/requirements.txt

@@ -0,0 +1,2 @@
+# No additional requirements at this moment
+# Have a look at /requirements.txt and /test-requirements.txt

tests/unit/requirements.txt

@@ -1,5 +0,0 @@
-jinja2
-jsonpatch
-kubernetes>=28.1.0
-PyYAML>=3.11
-pytest

tox.ini

@@ -0,0 +1,22 @@
+[tox]
+env_list = venv
+
+[testenv:venv]
+download = True
+deps =
+    -r requirements.txt
+    -r test-requirements.txt
+    -r tests/requirements.txt
+allowlist_externals =
+    mkdir
+    ln
+commands =
+    mkdir -p "{env_site_packages_dir}/ansible_collections/kubevirt"
+    ln -sf "{tox_root}" "{env_site_packages_dir}/ansible_collections/kubevirt/core"
+    ansible-galaxy collection install -r requirements.yml -p "{env_site_packages_dir}/ansible_collections" --force
+
+[testenv:format]
+deps =
+    black
+commands = black .
+