[IMP] server: --test-enable support tests directory without import

Before this commit, if import from tests directory was not in the __init__ file,
it was not possible to launch it with --test-file cli.

Now we only check in test directory if file exists.

This commit closes #26500

addons/account/__init__.py

@@ -5,7 +5,6 @@ from . import controllers
 from . import models
 from . import wizard
 from . import report
-from . import tests
 
 from odoo import api, SUPERUSER_ID
 

addons/point_of_sale/__init__.py

@@ -5,4 +5,3 @@ from . import models
 from . import controllers
 from . import report
 from . import wizard
-from . import tests

odoo/service/server.py

@@ -36,7 +36,8 @@ except ImportError:
     setproctitle = lambda x: None
 
 import odoo
-from odoo.modules.module import run_unit_tests
+from odoo.modules import get_modules
+from odoo.modules.module import run_unit_tests, get_test_modules
 from odoo.modules.registry import Registry
 from odoo.release import nt_service_name
 from odoo.tools import config
@@ -891,10 +892,9 @@ def _reexec(updated_modules=None):
     os.execve(sys.executable, args, os.environ)
 
 def load_test_file_py(registry, test_file):
-    # Locate python module based on its filename and run the tests
     test_path, _ = os.path.splitext(os.path.abspath(test_file))
-    for mod_name, mod_mod in list(sys.modules.items()):
-        if mod_mod:
+    for mod in [m for m in get_modules() if '/%s/' % m in test_file]:
+        for mod_mod in get_test_modules(mod):
             mod_path, _ = os.path.splitext(getattr(mod_mod, '__file__', ''))
             if test_path == mod_path:
                 suite = unittest.TestSuite()
@@ -908,6 +908,7 @@ def load_test_file_py(registry, test_file):
                     registry._assertion_report.report_result(success)
                 if not success:
                     _logger.error('%s: at least one error occurred in a test', test_file)
+                return
 
 def preload_registries(dbnames):
     """ Preload a registries, possibly run a test file."""