tests/integration: Automate manual 'exit-from' tests

Signed-off-by: Monika Kairaityte <monika@kibit.lt>

tests/integration/exit-from/README.md

@@ -1,15 +0,0 @@
-We have service named sh1 that exits with code 1 and sh2 that exists with code 2
-
-```
-podman-compose up --exit-code-from=sh1
-echo $?
-```
-
-the above should give 1.
-
-```
-podman-compose up --exit-code-from=sh2
-echo $?
-```
-
-the above should give 2.

tests/integration/exit-from/docker-compose.yaml

@@ -1,11 +1,5 @@
 version: "3"
 services:
-    too_long:
-      image: nopush/podman-compose-test
-      command: ["dumb-init", "/bin/busybox", "sh", "-c", "sleep 3600; exit 0"]
-      tmpfs:
-        - /run
-        - /tmp
     sh1:
       image: nopush/podman-compose-test
       command: ["dumb-init", "/bin/busybox", "sh", "-c", "sleep 1; exit 1"]

tests/integration/test_podman_compose_exit_from.py

@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0
+
+import os
+import unittest
+
+from tests.integration.test_podman_compose import podman_compose_path
+from tests.integration.test_podman_compose import test_path
+from tests.integration.test_utils import RunSubprocessMixin
+
+
+def compose_yaml_path():
+    return os.path.join(os.path.join(test_path(), "exit-from"), "docker-compose.yaml")
+
+
+class TestComposeExitFrom(unittest.TestCase, RunSubprocessMixin):
+    def test_exit_code_sh1(self):
+        try:
+            self.run_subprocess_assert_returncode(
+                [
+                    podman_compose_path(),
+                    "-f",
+                    compose_yaml_path(),
+                    "up",
+                    "--exit-code-from=sh1",
+                ],
+                1,
+            )
+        finally:
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path(),
+                "down",
+            ])
+
+    def test_exit_code_sh2(self):
+        try:
+            self.run_subprocess_assert_returncode(
+                [
+                    podman_compose_path(),
+                    "-f",
+                    compose_yaml_path(),
+                    "up",
+                    "--exit-code-from=sh2",
+                ],
+                2,
+            )
+        finally:
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path(),
+                "down",
+            ])