Add error-handling to Set Pref and Clear Cache actions

tests/test_clear_cache.py

@@ -7,19 +7,22 @@
 
 import yvs.clear_cache as yvs
 from tests import YVSTestCase
+from tests.decorators import redirect_stdout
 
 
 class TestClearCachw(YVSTestCase):
 
-    def test_clear_cache(self):
+    @redirect_stdout
+    def test_clear_cache(self, out):
         """should remove cache directory when cache is cleared"""
         yvs.main()
         self.assertFalse(
             os.path.exists(yvs.cache.LOCAL_CACHE_DIR_PATH),
             "local cache directory exists",
         )
 
-    def test_clear_cache_silent_fail(self):
+    @redirect_stdout
+    def test_clear_cache_silent_fail(self, out):
         """should fail silently if cache directory does not exist"""
         shutil.rmtree(yvs.cache.LOCAL_CACHE_DIR_PATH)
         yvs.main()

tests/test_set_pref.py

@@ -56,6 +56,8 @@ def test_main(self, out):
         }
         yvs.main(alfred_variables)
         alfred_json = json.loads(out.getvalue())
-        self.assertEqual(alfred_json["alfredworkflow"]["variables"], alfred_variables)
+        self.assertEqual(
+            alfred_json["alfredworkflow"]["variables"], {"did_set_pref": "True"}
+        )
         user_prefs = yvs.core.get_user_prefs()
         self.assertEqual(user_prefs["version"], 107)

yvs/clear_cache.py

@@ -1,12 +1,15 @@
 #!/usr/bin/env python3
 # coding=utf-8
 
+import json
+
 import yvs.cache as cache
 
 
 def main():
 
     cache.clear_cache()
+    print(json.dumps({"alfredworkflow": {"variables": {"did_clear_cache": "True"}}}))
 
 
 if __name__ == "__main__":

yvs/set_pref.py

@@ -28,7 +28,7 @@ def main(variables):
     # value_id needs to be parsed as JSON so we can preserve type data for
     # proper serialization to the preferences file
     set_pref(variables["pref_id"], json.loads(variables["value_id"]))
-    print(json.dumps({"alfredworkflow": {"variables": variables}}))
+    print(json.dumps({"alfredworkflow": {"variables": {"did_set_pref": "True"}}}))
 
 
 if __name__ == "__main__":