criado ficheiro 'constants.py' para isolar chave API para CoinGecko

testes/teste_coingecko_api.py

@@ -1,11 +1,14 @@
 import unittest
-
 import modulos.coingecko_api as cgapi
 
 
 class Teste_API(unittest.TestCase):
     '''teste API()'''
-    pass
+    def test_api_method(self):
+        url, codigo, data = cgapi.API('ping', {})
+        self.assertIsInstance(url, str)
+        self.assertEqual(codigo, 200)
+        self.assertIsInstance(data, dict)
 
 
 class Teste_ping(unittest.TestCase):
@@ -35,4 +38,8 @@ class Teste_coins_list(unittest.TestCase):
 
 class Teste_coins_list_with_market_data(unittest.TestCase):
     '''teste coins_list_with_market_data()'''
-    pass
+    pass
+
+# unittest.main()
+if __name__ == '__main__':
+    unittest.main()