Add Docker test deployment on Gitea Actions

tests/test_docker_deploy.py

@@ -0,0 +1,32 @@
+import os
+import subprocess
+from pathlib import Path
+
+SCRIPT = Path(__file__).resolve().parents[1] / "scripts" / "deploy_docker.sh"
+
+
+def test_invalid_public_port_is_rejected_before_contacting_docker():
+    result = subprocess.run(
+        ["bash", str(SCRIPT)],
+        env={**os.environ, "DEPLOY_IMAGE": "test-image", "DEPLOY_PORT": "0"},
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    assert result.returncode == 2
+    assert "Invalid deployment port" in result.stdout
+
+
+def test_invalid_container_name_and_bind_ip_cannot_be_used():
+    for configuration in (
+        {"DEPLOY_NAME": "other;service"},
+        {"DEPLOY_BIND_IP": "example.invalid"},
+    ):
+        result = subprocess.run(
+            ["bash", str(SCRIPT)],
+            env={**os.environ, "DEPLOY_IMAGE": "test-image", **configuration},
+            capture_output=True,
+            text=True,
+            check=False,
+        )
+        assert result.returncode == 2