added missing api test case

Author: VaasuDevanS

cowsay/tests/test_api.py

@@ -14,7 +14,7 @@ def test_char_names():
     assert cowsay.char_names == sorted(characters)
 
 
-def test_draw():
+def test_draw_error():
 
     with pytest.raises(cowsay.CowsayError) as e:
         cowsay.draw('', '')
@@ -24,6 +24,11 @@ def test_draw():
 
 def test_get_output_string():
 
+    assert isinstance(cowsay.get_output_string(char='cow', text='Hello'), str)
+
+
+def test_get_output_string_error():
+
     with pytest.raises(cowsay.CowsayError) as e:
         cowsay.get_output_string('random', 'random text')
 

requirements.txt

@@ -1,12 +1,35 @@
 astunparse==1.6.3
+certifi==2023.7.22
+charset-normalizer==3.2.0
+coverage==7.3.1
+docutils==0.20.1
 exceptiongroup==1.1.1
+idna==3.4
+importlib-metadata==6.8.0
+importlib-resources==6.0.1
 iniconfig==2.0.0
+jaraco.classes==3.3.0
 Jinja2==3.1.2
+keyring==24.2.0
+markdown-it-py==3.0.0
 MarkupSafe==2.1.3
+mdurl==0.1.2
+more-itertools==10.1.0
+nh3==0.2.14
 packaging==23.1
 pdoc==13.1.1
+pkginfo==1.9.6
 pluggy==1.0.0
 Pygments==2.15.1
 pytest==7.3.1
+readme-renderer==42.0
+requests==2.31.0
+requests-toolbelt==1.0.0
+rfc3986==2.0.0
+rich==13.5.2
 six==1.16.0
-tomli==2.0.1
+tomli==2.0.1
+twine==4.0.2
+typing_extensions==4.7.1
+urllib3==2.0.4
+zipp==3.16.2