tests: adds a fixture that automatically compiles babel catalogs

tests/conftest.py

@@ -1,6 +1,7 @@
 import os
 
 import pytest
+from babel.messages.frontend import compile_catalog
 from canaille import create_app
 from canaille.app import models
 from canaille.backends import available_backends
@@ -10,6 +11,16 @@ from pytest_lazyfixture import lazy_fixture
 from werkzeug.security import gen_salt
 
 
+@pytest.fixture(autouse=True, scope="session")
+def babel_catalogs():
+    cmd = compile_catalog()
+    cmd.directory = os.path.dirname(__file__) + "/../canaille/translations"
+    cmd.quiet = True
+    cmd.statistics = True
+    cmd.finalize_options()
+    cmd.run()
+
+
 pytest_plugins = [
     f"tests.backends.{backend}.fixtures"
     for backend in available_backends()