tests/integration: Automate manual 'multicompose' test

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

tests/integration/test_podman_compose_multicompose.py

@@ -0,0 +1,101 @@
+# 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(), "multicompose"), "docker-compose.yml")
+
+
+class TestComposeMulticompose(unittest.TestCase, RunSubprocessMixin):
+    def test_multicompose(self):
+        try:
+            self.run_subprocess_assert_returncode(
+                [
+                    podman_compose_path(),
+                    "-f",
+                    os.path.join(
+                        os.path.join(test_path(), "multicompose"), "d1/docker-compose.yml"
+                    ),
+                    "-f",
+                    os.path.join(
+                        os.path.join(test_path(), "multicompose"), "d2/docker-compose.yml"
+                    ),
+                    "up",
+                    "-d",
+                ],
+            )
+            output, _ = self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                os.path.join(os.path.join(test_path(), "multicompose"), "d1/docker-compose.yml"),
+                "-f",
+                os.path.join(os.path.join(test_path(), "multicompose"), "d2/docker-compose.yml"),
+                "ps",
+            ])
+            self.assertIn(b"d1_web1_1", output)
+            self.assertIn(b"d1_web2_1", output)
+
+            output, _ = self.run_subprocess_assert_returncode([
+                "podman",
+                "exec",
+                "-ti",
+                "d1_web1_1",
+                "sh",
+                "-c",
+                "set",
+            ])
+            # checks if `enf_file` was appended, not replaced
+            # (which means that we normalize to array before merge)
+            self.assertIn(b"var12='d1/12.env'", output)
+
+            output, _ = self.run_subprocess_assert_returncode([
+                "podman",
+                "exec",
+                "-ti",
+                "d1_web2_1",
+                "sh",
+                "-c",
+                "set",
+            ])
+            # checks if paths inside `d2/docker-compose.yml` directory are relative to `d1`
+            self.assertIn(b"var2='d1/2.env'", output)
+
+            output, _ = self.run_subprocess_assert_returncode([
+                "podman",
+                "exec",
+                "-ti",
+                "d1_web1_1",
+                "sh",
+                "-c",
+                "cat /var/www/html/index.txt",
+            ])
+            self.assertIn(b"var1=d1/1.env", output)
+
+            # check if project base directory and project name is d1
+            output, _ = self.run_subprocess_assert_returncode([
+                "podman",
+                "exec",
+                "-ti",
+                "d1_web2_1",
+                "sh",
+                "-c",
+                "cat /var/www/html/index.txt",
+            ])
+            self.assertIn(b"var2=d1/2.env", output)
+        finally:
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                os.path.join(os.path.join(test_path(), "multicompose"), "d1/docker-compose.yml"),
+                "-f",
+                os.path.join(os.path.join(test_path(), "multicompose"), "d2/docker-compose.yml"),
+                "down",
+                "-t",
+                "0",
+            ])