Accept event-stream for POST for urql-graphql (#3276)

Signed-off-by: Steve Coffman <[email protected]>

Author: StevenACoffman

graphql/handler/transport/http_post.go

@@ -27,10 +27,6 @@ func (h POST) Supports(r *http.Request) bool {
 		return false
 	}
 
-	if strings.Contains(r.Header.Get("Accept"), "text/event-stream") {
-		return false
-	}
-
 	mediaType, _, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
 	if err != nil {
 		return false

graphql/handler/transport/http_post_test.go

@@ -109,8 +109,8 @@ func TestPOST(t *testing.T) {
 		}
 
 		resp := doReq(h, "POST", "/graphql", `{"query":"{ name }"}`)
-		assert.Equal(t, http.StatusBadRequest, resp.Code, resp.Body.String())
-		assert.Equal(t, `{"errors":[{"message":"transport not supported"}],"data":null}`, resp.Body.String())
+		assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String())
+		assert.Equal(t, `{"data":{"name":"test"}}`, resp.Body.String())
 	})
 }