test(python_runner): add integration tests (#11638)

* test(python_runner): add integration tests

* simplify the test

* add missing quotes

* use setup_remote_tmp_dir

* build venv manually first

tests/integration/targets/python_runner/aliases

@@ -0,0 +1,5 @@
+# Copyright (c) 2026, Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+azp/posix/2

tests/integration/targets/python_runner/meta/main.yml

@@ -0,0 +1,7 @@
+---
+# Copyright (c) 2026, Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+dependencies:
+  - setup_remote_tmp_dir

tests/integration/targets/python_runner/tasks/main.yml

@@ -0,0 +1,43 @@
+# Copyright (c) 2026, Alexei Znamensky <russoz@gmail.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: Create virtualenv
+  ansible.builtin.command:
+    cmd: "{{ ansible_python_interpreter }} -m venv {{ remote_tmp_dir }}/venv"
+
+- name: Update pip in virtualenv
+  ansible.builtin.pip:
+    name: pip
+    state: latest
+    virtualenv: "{{ remote_tmp_dir }}/venv"
+
+- name: Install django in virtualenv
+  ansible.builtin.pip:
+    name: django
+    state: present
+    virtualenv: "{{ remote_tmp_dir }}/venv"
+
+# Regression test for https://github.com/ansible-collections/community.general/issues/8884
+# Bug: PythonRunner was setting path_prefix to a string instead of a list, corrupting PATH
+# when venv was specified, so the venv's python could not be found.
+# The original reporter was running `migrate`; we use `check` to avoid needing a database.
+- name: Create Django project using venv django-admin
+  ansible.builtin.command:
+    cmd: "{{ remote_tmp_dir }}/venv/bin/django-admin startproject testproject"
+    chdir: "{{ remote_tmp_dir }}"
+
+- name: Run django_command check on the created project (issue 8884 scenario)
+  community.general.django_command:
+    command: check
+    settings: testproject.settings
+    pythonpath: "{{ remote_tmp_dir }}/testproject"
+    venv: "{{ remote_tmp_dir }}/venv"
+  register: result_project_check
+
+- name: Assert project check succeeded and returned a version
+  ansible.builtin.assert:
+    that:
+      - result_project_check is success
+      - result_project_check.version is defined
+      - result_project_check.version != ""