Use osci+tmt for gating

.fmf/version

@@ -0,0 +1 @@
+1

gating.yaml

@@ -3,4 +3,4 @@ product_versions:
   - rhel-8
 decision_context: osci_compose_gate
 rules:
-  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.tier1.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}

plan.fmf

@@ -0,0 +1,47 @@
+execute:
+  how: tmt
+
+discover:
+  - name: tests_python
+    how: shell
+    url: https://gitlab.com/redhat/centos-stream/tests/python.git
+    tests:
+    - name: smoke36
+      path: /smoke
+      test: VERSION=3.6 TOX=false CYTHON=false ./venv.sh
+    - name: smoke36_virtualenv
+      path: /smoke
+      test: VERSION=3.6 METHOD=virtualenv TOX=false ./venv.sh
+    - name: smoke312
+      path: /smoke
+      test: VERSION=3.12 TOX=false ./venv.sh
+  - name: same_repo
+    how: shell
+    tests:
+    - name: pip_install_upgrade
+      path: /tests/pip_install_upgrade/
+      test: ./runtest.sh
+
+prepare:
+  - name: Enable CRB
+    how: feature
+    crb: enabled
+  - name: Enable EPEL
+    how: feature
+    epel: enabled
+  - name: Install dependencies
+    how: install
+    package:
+    - gcc
+    - virtualenv
+    - platform-python-devel
+    - python3.12-devel
+    - grep
+    - util-linux
+    - shadow-utils
+    - expect
+    - dnf
+  - name: Update packages
+    how: shell
+    script: dnf upgrade -y
+

tests/pip_install_upgrade/runtest.sh

@@ -0,0 +1,40 @@
+#!/bin/sh -eux
+# This script requires root privileges and you should never run it on your own machine
+test $EUID -eq 0
+
+PYTHON_VERSION=$(/usr/bin/python3 -c 'import sys; print("{}.{}".format(*sys.version_info))')
+RPM_SITELIB="/usr/lib/python${PYTHON_VERSION}/site-packages"
+LOCAL_SITELIB="/usr/local/lib/python${PYTHON_VERSION}/site-packages"
+USER_SITELIB="/home/fedora-test-user/.local/lib/python${PYTHON_VERSION}/site-packages"
+
+# First, let's install older Pello with pip as if it was installed by RPM
+# This is an approximation, but it usually works
+RPM_BUILD_ROOT=/ /usr/bin/pip-${PYTHON_VERSION} install 'Pello==1.0.1'
+
+# Now, we'll upgrade it with regular pip
+/usr/bin/pip-${PYTHON_VERSION} install --upgrade 'Pello==1.0.2'
+
+# pip should see it
+/usr/bin/pip-${PYTHON_VERSION} freeze | grep '^Pello==1\.0\.2$'
+
+# Both installations should still exist
+test -d "${RPM_SITELIB}/Pello-1.0.1-py${PYTHON_VERSION}.egg-info" || test -d "${RPM_SITELIB}/Pello-1.0.1.dist-info"
+test -d "${LOCAL_SITELIB}/Pello-1.0.2.dist-info"
+
+# Let's ditch the local one
+/usr/bin/pip-${PYTHON_VERSION} uninstall --yes Pello
+
+# It should only remove one of them
+test -d "${RPM_SITELIB}/Pello-1.0.1-py${PYTHON_VERSION}.egg-info" || test -d "${RPM_SITELIB}/Pello-1.0.1.dist-info"
+! test -d "${LOCAL_SITELIB}/Pello-1.0.2.dist-info"
+
+# And pip should still see the RPM-installed one
+/usr/bin/pip-${PYTHON_VERSION} freeze | grep '^Pello==1\.0\.1$'
+
+# Again, but as regular user
+useradd fedora-test-user
+su fedora-test-user -c "/usr/bin/pip-${PYTHON_VERSION} install --user 'Pello==1.0.2'"
+test -d "${USER_SITELIB}/Pello-1.0.2.dist-info"
+su fedora-test-user -c "/usr/bin/pip-${PYTHON_VERSION} freeze" | grep '^Pello==1\.0\.2$'
+su fedora-test-user -c "/usr/bin/pip-${PYTHON_VERSION} uninstall  --yes Pello"
+su fedora-test-user -c "/usr/bin/pip-${PYTHON_VERSION} freeze" | grep '^Pello==1\.0\.1$'