tests for _fetch_supported_languages in engines

and refactor method to make it testable without making requests

1 files changed, 10 insertions, 3 deletions

diff --git a/searx/engines/__init__.py b/searx/engines/__init__.py
index 7a64fd25b..cc200a0d1 100644
--- a/searx/engines/__init__.py
+++ b/searx/engines/__init__.py
@@ -21,6 +21,7 @@ import sys
 from flask_babel import gettext
 from operator import itemgetter
 from json import loads
+from requests import get
 from searx import settings
 from searx import logger
 from searx.utils import load_module
@@ -79,9 +80,6 @@ def load_engine(engine_data):
         if not hasattr(engine, arg_name):
             setattr(engine, arg_name, arg_value)
 
-    if engine_data['name'] in languages:
-        setattr(engine, 'supported_languages', languages[engine_data['name']])
-
     # checking required variables
     for engine_attr in dir(engine):
         if engine_attr.startswith('_'):
@@ -91,6 +89,15 @@ def load_engine(engine_data):
                          .format(engine.name, engine_attr))
             sys.exit(1)
 
+    # assign supported languages from json file
+    if engine_data['name'] in languages:
+        setattr(engine, 'supported_languages', languages[engine_data['name']])
+
+    # assign language fetching method if auxiliary method exists
+    if hasattr(engine, '_fetch_supported_languages'):
+        setattr(engine, 'fetch_supported_languages',
+                lambda: engine._fetch_supported_languages(get(engine.supported_languages_url)))
+
     engine.stats = {
         'result_count': 0,
         'search_count': 0,