[FIX] Test postgres

Use a unique Compose project name in tests to avoid volume collisions when running multiple PostgreSQL versions in parallel.

tests/test_postgres.py

@@ -15,52 +15,24 @@
 
 
 def _get_db_service_name(dc: DockerClient) -> str:
-    """
-    Use python-on-whales to retrieve the final Compose configuration
-    and return the DB service name that ends with '-db'.
-    Fallback to any service containing 'db' or 'postgres'.
-    Finally, fallback to 'db'.
-    """
     config_data = dc.compose.config()
 
-    if ComposeConfig and isinstance(config_data, ComposeConfig):
-        services_dict = {s.name: s for s in config_data.services}
+    # (1) In newer versions of python-on-whales:
+    #     config_data is a ComposeConfig => config_data.services is a dict:
+    #       { "service_name": ServiceConfig(...) }
+    # (2) In older versions: config_data is a "legacy" dict
+    #       => config_data["services"] => { "service_name": {...} }
 
-    elif isinstance(config_data, dict):
-        services_dict = config_data["services"]
+    if ComposeConfig and isinstance(config_data, ComposeConfig):
+        services_dict = config_data.services
     else:
-        raise TypeError(
-            f"dc.compose.config() devolvió un tipo inesperado: {type(config_data)}"
-        )
-    for svc_name in services_dict:
-        if svc_name.lower().endswith("-db"):
-            return svc_name
-    for svc_name in services_dict:
-        lower_svc_name = svc_name.lower()
-        if "postgres" in lower_svc_name or "db" in lower_svc_name:
-            return svc_name
-    return "db"
-
-
-def _get_db_service_name(dc: DockerClient) -> str:
-    """
-    Use python-on-whales to retrieve the final Compose configuration
-    and return the DB service name that ends with '-db'. Fallback to
-    any service containing 'db' or 'postgres'. Finally, fallback to 'db'.
-    """
-    config_data = dc.compose.config()  # Returns a dict with { "services": {...}, ... }
-    services_dict = config_data["services"]
-    # First pass: Look for a service name that exactly ends with '-db'
+        services_dict = config_data["services"]
     for svc_name in services_dict:
         if svc_name.lower().endswith("-db"):
             return svc_name
-
-    # Second pass: Fallback to any name containing 'db' or 'postgres'
     for svc_name in services_dict:
         if "postgres" in svc_name.lower() or "db" in svc_name.lower():
             return svc_name
-
-    # Final fallback
     return "db"
 
 
@@ -72,18 +44,24 @@ def test_postgresql_client_versions(
     dbver: str,
 ):
     """Test multiple postgresql-client versions in odoo, db and duplicity services"""
+    unique_project_name = f"test_{uuid.uuid4().hex}"
+    dc_prod = DockerClient(
+        compose_files=["prod.yaml"],
+        compose_project_name=unique_project_name,
+    )
+
     dbver_raw = DBVER_PER_ODOO[supported_odoo_version][dbver]
     dbver_mver = dbver_raw.split(".")[0]
-    dc_prod = DockerClient(compose_files=["prod.yaml"])
+
     with local.cwd(tmp_path):
         print(str(cloned_template))
-        assert True
+
         run_copy(
             str(cloned_template),
             dst_path=".",
             data={
                 "odoo_version": supported_odoo_version,
-                "project_name": uuid.uuid4().hex,
+                "project_name": unique_project_name,
                 "odoo_proxy": "",
                 "postgres_version": dbver_raw,
                 "backup_dst": "/tmp/dummy",