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server_test.go
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server_test.go
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// Copyright (c) 2018 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 consumer
import (
"net"
"sync"
"testing"
"github.com/m3db/m3msg/generated/proto/msgpb"
"github.com/m3db/m3msg/protocol/proto"
"github.com/fortytw2/leaktest"
"github.com/stretchr/testify/require"
)
func TestConsumerServer(t *testing.T) {
defer leaktest.Check(t)()
var (
count = 0
bytes []byte
closed bool
wg sync.WaitGroup
)
consumeFn := func(c Consumer) {
for {
count++
m, err := c.Message()
if err != nil {
break
}
bytes = m.Bytes()
m.Ack()
wg.Done()
}
c.Close()
closed = true
}
// Set a large ack buffer size to make sure the background go routine
// can flush it.
opts := NewServerOptions().SetConsumerOptions(testOptions().SetAckBufferSize(100)).SetConsumeFn(consumeFn)
l, err := net.Listen("tcp", "127.0.0.1:0")
require.NoError(t, err)
s := NewServer("a", opts)
s.Serve(l)
conn, err := net.Dial("tcp", l.Addr().String())
require.NoError(t, err)
wg.Add(1)
err = produce(conn, &testMsg1)
require.NoError(t, err)
wg.Wait()
require.Equal(t, testMsg1.Value, bytes)
var ack msgpb.Ack
testDecoder := proto.NewDecoder(conn, opts.ConsumerOptions().DecoderOptions())
err = testDecoder.Decode(&ack)
require.NoError(t, err)
require.Equal(t, 1, len(ack.Metadata))
require.Equal(t, testMsg1.Metadata, ack.Metadata[0])
s.Close()
require.True(t, closed)
}