add tests

Author: parthea

tests/test_json.py

@@ -121,6 +121,23 @@ class Squid(proto.Message):
     )
     assert json1 == '{"name":"Steve"}'
 
+    json1 = (
+        Squid.to_json(s, always_print_fields_with_no_presence=False)
+        .replace(" ", "")
+        .replace("\n", "")
+    )
+    assert json1 == '{"name":"Steve"}'
+
+    with pytest.raises(
+        ValueError,
+        match="Arguments.*always_print_fields_with_no_presence.*including_default_value_fields.*must match",
+    ):
+        Squid.to_json(
+            s,
+            including_default_value_fields=True,
+            always_print_fields_with_no_presence=False,
+        ).replace(" ", "").replace("\n", "")
+
     json2 = Squid.to_json(s).replace(" ", "").replace("\n", "")
     assert (
         json2 == '{"name":"Steve","massKg":0}' or json2 == '{"massKg":0,"name":"Steve"}'

tests/test_message.py

@@ -267,6 +267,20 @@ class Color(proto.Enum):
     expected_dict = {"mass_kg": 20}
     assert s_dict_2 == expected_dict
 
+    s_dict_2 = Squid.to_dict(s_new_2, always_print_fields_with_no_presence=False)
+    expected_dict = {"mass_kg": 20}
+    assert s_dict_2 == expected_dict
+
+    with pytest.raises(
+        ValueError,
+        match="Arguments.*always_print_fields_with_no_presence.*including_default_value_fields.*must match",
+    ):
+        s_dict_2 = Squid.to_dict(
+            s_new_2,
+            including_default_value_fields=True,
+            always_print_fields_with_no_presence=False,
+        )
+
     new_s = Squid(s_dict)
     assert new_s == s