Add container testing

.github/workflows/main.yml

@@ -108,6 +108,7 @@ jobs:
           path: /tmp/docker-image
       - run: docker load --input /tmp/docker-image/docker_image-${{ env.PLATFORM_PAIR }}.tar
       - run: docker image ls -a
+      - run: ./tests.sh "${DOCKER_IMAGE}:${{ env.PLATFORM_PAIR }}"
   push-image:
     if: (github.event_name == 'push' || github.event_name == 'schedule') && github.ref == 'refs/heads/main'
     name: Push

test/test_bash.py

@@ -0,0 +1,9 @@
+import pytest
+
+def test_bash_true_results_in_0(host):
+    output = host.run('bash -c "true"')
+    assert output.rc == 0
+
+def test_bash_true_results_in_0(host):
+    output = host.run('bash -c "false"')
+    assert output.rc > 0

test/test_user.py

@@ -0,0 +1,11 @@
+import pytest
+
+def test_user_app(host):
+    userName = 'runner'
+    groupName = 'runner'
+    homeDir = '/home/runner'
+
+    usr = host.user(userName)
+    assert userName in usr.name
+    assert groupName in usr.group
+    assert homeDir in usr.home

tests.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+# A simple script to start a Docker container
+# and run Testinfra in it
+# Original script: https://gist.github.com/renatomefi/bbf44d4e8a2614b1390416c6189fbb8e
+# Author: @renatomefi https://github.com/renatomefi
+#
+
+set -eEuo pipefail
+
+# The first parameter is a Docker tag or image id
+declare -r DOCKER_TAG="$1"
+
+printf "Starting a container for '%s'\\n" "$DOCKER_TAG"
+
+DOCKER_CONTAINER=$(docker run --rm -v "$(pwd)/test:/tests" -t -d "$DOCKER_TAG")
+readonly DOCKER_CONTAINER
+
+# Let's register a trap function, if our tests fail, finish or the script gets
+# interrupted, we'll still be able to remove the running container
+function tearDown {
+    docker rm -f "$DOCKER_CONTAINER" &>/dev/null &
+}
+trap tearDown EXIT TERM ERR
+
+# Finally, run the tests!
+echo "Running test suite"
+docker run --rm -t \
+    -v "$(pwd)/test:/tests" \
+    -v "$(pwd)/tmp/test-results:/results" \
+    -v /var/run/docker.sock:/var/run/docker.sock:ro \
+    renatomefi/docker-testinfra:5 \
+    --disable-pytest-warnings \
+    --verbose --hosts="docker://$DOCKER_CONTAINER"