added google translate api tests

deep_translator/linguee.py

@@ -39,7 +39,7 @@ class LingueeTranslator(BaseTranslator):
         """
         for language in languages:
             if language in self._languages.values():
-                yield self._languages[language]
+                yield LINGUEE_CODE_TO_LANGUAGE[language]
             elif language in self._languages.keys():
                 yield language
             else:
@@ -88,5 +88,5 @@ class LingueeTranslator(BaseTranslator):
 
 
 if __name__ == '__main__':
-    l = LingueeTranslator("", "").translate("good")
+    l = LingueeTranslator("en", "fr").translate("good")
     print("translated: ", l)

deep_translator/pons.py

@@ -43,7 +43,7 @@ class PonsTranslator(BaseTranslator):
         """
         for language in languages:
             if language in self._languages.values():
-                yield self._languages[language]
+                yield PONS_CODES_TO_LANGUAGES[language]
             elif language in self._languages.keys():
                 yield language
             else:
@@ -95,3 +95,7 @@ class PonsTranslator(BaseTranslator):
             translated_words.append(self.translate(payload=word))
         return translated_words
 
+
+if __name__ == '__main__':
+    l = PonsTranslator("en", "fr").translate("good")
+    print("translated: ", l)

deep_translator/tests/test_deep_translator.py

@@ -29,6 +29,11 @@ def test_inputs():
     with pytest.raises(exceptions.LanguageNotSupportedException):
         GoogleTranslator(source="auto", target="nothing")
 
+    g1 = GoogleTranslator("en", "fr")
+    g2 = GoogleTranslator("english", "french")
+    assert g1._source == g2._source
+    assert g1._target == g2._target
+
 
 def test_payload(google_translator):