Update tests to coverage 100%

tests/test_client.py

@@ -5,7 +5,6 @@
 from brazilcep import WebService, get_address_from_cep
 from brazilcep.client import _format_cep
 
-
 def test_search_error():
     with pytest.raises(KeyError):
         get_address_from_cep("37.503-130", webservice=5)
@@ -44,3 +43,16 @@ def test_format_cep_fail():
 
     with pytest.raises(ValueError):
         _format_cep(True)
+
+def test_a_deprecated_enum_value():
+
+    with catch_warnings(record=True) as w:
+        # ADeprecatedEnum.FOO is not deprecated and should not throw any warning
+        get_address_from_cep("37.503-130", webservice=WebService.OPENCEP)
+        assert len(w) == 0
+
+        # ADeprecatedEnum.BAR is deprecated and we expect to have a warning raised.
+        get_address_from_cep("37.503-130", webservice=WebService.CORREIOS)
+        assert len(w) == 1
+        assert issubclass(w[0].category, DeprecationWarning)
+        assert str(w[0].message) == 'CORREIOS is going to be deprecated. Please, use other webservice.'