Added tests for one character words

deep_translator/tests/test_google_trans.py

@@ -58,3 +58,7 @@ def test_payload(google_translator):
 
     #for _ in range(1):
     #assert google_translator.translate(text='좋은') == "good"
+
+
+def test_one_character_words():
+    assert GoogleTranslator(source='es', target='en').translate('o') == 'or'

deep_translator/tests/test_linguee.py

@@ -47,3 +47,7 @@ def test_payload(linguee):
 
     with pytest.raises(exceptions.NotValidLength):
         linguee.translate("a"*51)
+
+
+def test_one_character_words():
+    assert LingueeTranslator(source='es', target='en').translate('y') == 'and'

deep_translator/tests/test_mymemory.py

@@ -46,3 +46,8 @@ def test_payload(mymemory):
 
     with pytest.raises(exceptions.NotValidLength):
         mymemory.translate(text="a"*501)
+
+
+def test_one_character_words(mymemory):
+    assert mymemory.translate('I')
+

deep_translator/tests/test_pons.py

@@ -46,3 +46,7 @@ def test_payload(pons):
 
     with pytest.raises(exceptions.NotValidLength):
         pons.translate("a" * 51)
+
+
+def test_one_character_words(pons):
+    assert pons.translate('I')