ignore datacontenttype when using to_binary() (#138)

* ignore datacontenttype when using to_binary()

Signed-off-by: XinYang <xinydev@gmail.com>

* fix tests

Signed-off-by: XinYang <xinydev@gmail.com>

* fix tests. sanic>20.12 does not support py3.6 any more

Signed-off-by: XinYang <xinydev@gmail.com>

cloudevents/sdk/event/base.py

@@ -292,7 +292,7 @@ class BaseEvent(EventGetterSetter):
             headers["content-type"] = self.ContentType()
         props = self.Properties()
         for key, value in props.items():
-            if key not in ["data", "extensions", "contenttype"]:
+            if key not in ["data", "extensions", "datacontenttype"]:
                 if value is not None:
                     headers["ce-{0}".format(key)] = value
 

cloudevents/tests/test_with_sanic.py

@@ -34,7 +34,7 @@ async def echo(request):
         v1.Event(), dict(request.headers), request.body, lambda x: x
     )
     hs, body = m.ToRequest(event, converters.TypeBinary, lambda x: x)
-    return response.text(body, headers=hs)
+    return response.text(body.decode("utf-8"), headers=hs)
 
 
 def test_reusable_marshaller():

requirements/test.txt

@@ -6,7 +6,7 @@ flake8-strict
 pytest==4.0.0
 pytest-cov==2.4.0
 # web app tests
-sanic
+sanic==20.12.3
 aiohttp
 Pillow
 requests