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json.go
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json.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package oneway
import (
"context"
"github.com/crossdock/crossdock-go"
"go.uber.org/yarpc"
"go.uber.org/yarpc/encoding/json"
)
type jsonToken struct {
Token string `json:"token"`
}
// JSON starts an http run using JSON encoding
func JSON(t crossdock.T, dispatcher *yarpc.Dispatcher, serverCalledBack <-chan []byte, callBackAddr string) {
assert := crossdock.Assert(t)
fatals := crossdock.Fatals(t)
client := json.New(dispatcher.ClientConfig("oneway-server"))
token := getRandomID()
ack, err := client.CallOneway(
context.Background(),
"echo/json",
&jsonToken{Token: token},
yarpc.WithHeader("callBackAddr", callBackAddr),
)
// ensure channel hasn't been filled yet
select {
case <-serverCalledBack:
fatals.FailNow("oneway json test failed", "client waited for server to fill channel")
default:
}
fatals.NoError(err, "call to oneway/json failed: %v", err)
fatals.NotNil(ack, "ack is nil")
serverToken := <-serverCalledBack
assert.Equal(token, string(serverToken), "JSON token mismatch")
}