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opentelemetry-go/exporters/trace/jaeger/agent_test.go
Trevor Foster a304e8280d
Add reconnecting udp connection type to jaeger exporter (#1063)
* port reconnecting udp client from jaeger-client-go

* Fix precommit issues

* Fix license check

* Add initial value for max packet size

* Fix for atomic usage on 386 arch

* Modify reconnecting option to an affirmative

* Add changelog entry

* Dont hold rlock for writes

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
2020-09-01 09:08:11 -07:00

95 lines
2.7 KiB
Go

// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package jaeger
import (
"log"
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestNewAgentClientUDPWithParamsBadHostport(t *testing.T) {
hostPort := "blahblah"
agentClient, err := newAgentClientUDP(agentClientUDPParams{
HostPort: hostPort,
})
assert.Error(t, err)
assert.Nil(t, agentClient)
}
func TestNewAgentClientUDPWithParams(t *testing.T) {
mockServer, err := newUDPListener()
require.NoError(t, err)
defer mockServer.Close()
agentClient, err := newAgentClientUDP(agentClientUDPParams{
HostPort: mockServer.LocalAddr().String(),
MaxPacketSize: 25000,
AttemptReconnecting: true,
})
assert.NoError(t, err)
assert.NotNil(t, agentClient)
assert.Equal(t, 25000, agentClient.maxPacketSize)
if assert.IsType(t, &reconnectingUDPConn{}, agentClient.connUDP) {
assert.Equal(t, (*log.Logger)(nil), agentClient.connUDP.(*reconnectingUDPConn).logger)
}
assert.NoError(t, agentClient.Close())
}
func TestNewAgentClientUDPWithParamsDefaults(t *testing.T) {
mockServer, err := newUDPListener()
require.NoError(t, err)
defer mockServer.Close()
agentClient, err := newAgentClientUDP(agentClientUDPParams{
HostPort: mockServer.LocalAddr().String(),
AttemptReconnecting: true,
})
assert.NoError(t, err)
assert.NotNil(t, agentClient)
assert.Equal(t, udpPacketMaxLength, agentClient.maxPacketSize)
if assert.IsType(t, &reconnectingUDPConn{}, agentClient.connUDP) {
assert.Equal(t, (*log.Logger)(nil), agentClient.connUDP.(*reconnectingUDPConn).logger)
}
assert.NoError(t, agentClient.Close())
}
func TestNewAgentClientUDPWithParamsReconnectingDisabled(t *testing.T) {
mockServer, err := newUDPListener()
require.NoError(t, err)
defer mockServer.Close()
agentClient, err := newAgentClientUDP(agentClientUDPParams{
HostPort: mockServer.LocalAddr().String(),
Logger: nil,
AttemptReconnecting: false,
})
assert.NoError(t, err)
assert.NotNil(t, agentClient)
assert.Equal(t, udpPacketMaxLength, agentClient.maxPacketSize)
assert.IsType(t, &net.UDPConn{}, agentClient.connUDP)
assert.NoError(t, agentClient.Close())
}