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tcp_test.go
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tcp_test.go
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// Copyright 2021 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
//
// https://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 tcplogreceiver
import (
"context"
"fmt"
"net"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/confmap/confmaptest"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/receiver/receivertest"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/adapter"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator/input/tcp"
)
func TestTcp(t *testing.T) {
testTCP(t, testdataConfigYaml())
}
func testTCP(t *testing.T, cfg *TCPLogConfig) {
numLogs := 5
f := NewFactory()
sink := new(consumertest.LogsSink)
rcvr, err := f.CreateLogsReceiver(context.Background(), receivertest.NewNopCreateSettings(), cfg, sink)
require.NoError(t, err)
require.NoError(t, rcvr.Start(context.Background(), componenttest.NewNopHost()))
var conn net.Conn
conn, err = net.Dial("tcp", "127.0.0.1:29018")
require.NoError(t, err)
for i := 0; i < numLogs; i++ {
msg := fmt.Sprintf("<86>1 2021-02-28T00:0%d:02.003Z test msg %d\n", i, i)
_, err = conn.Write([]byte(msg))
require.NoError(t, err)
}
require.NoError(t, conn.Close())
require.Eventually(t, expectNLogs(sink, numLogs), 2*time.Second, time.Millisecond)
require.NoError(t, rcvr.Shutdown(context.Background()))
require.Len(t, sink.AllLogs(), 1)
resourceLogs := sink.AllLogs()[0].ResourceLogs().At(0)
logs := resourceLogs.ScopeLogs().At(0).LogRecords()
for i := 0; i < numLogs; i++ {
log := logs.At(i)
msg := log.Body()
require.Equal(t, msg.Str(), fmt.Sprintf("<86>1 2021-02-28T00:0%d:02.003Z test msg %d", i, i))
}
}
func TestLoadConfig(t *testing.T) {
cm, err := confmaptest.LoadConf(filepath.Join("testdata", "config.yaml"))
require.NoError(t, err)
factory := NewFactory()
cfg := factory.CreateDefaultConfig()
sub, err := cm.Sub("tcplog")
require.NoError(t, err)
require.NoError(t, component.UnmarshalConfig(sub, cfg))
assert.NoError(t, component.ValidateConfig(cfg))
assert.Equal(t, testdataConfigYaml(), cfg)
}
func testdataConfigYaml() *TCPLogConfig {
return &TCPLogConfig{
BaseConfig: adapter.BaseConfig{
Operators: []operator.Config{},
},
InputConfig: func() tcp.Config {
c := tcp.NewConfig()
c.ListenAddress = "127.0.0.1:29018"
return *c
}(),
}
}
func TestDecodeInputConfigFailure(t *testing.T) {
factory := NewFactory()
badCfg := &TCPLogConfig{
BaseConfig: adapter.BaseConfig{
Operators: []operator.Config{},
},
InputConfig: func() tcp.Config {
c := tcp.NewConfig()
c.Encoding.Encoding = "fake"
return *c
}(),
}
receiver, err := factory.CreateLogsReceiver(context.Background(), receivertest.NewNopCreateSettings(), badCfg, consumertest.NewNop())
require.Error(t, err, "receiver creation should fail if input config isn't valid")
require.Nil(t, receiver, "receiver creation should fail if input config isn't valid")
}
func expectNLogs(sink *consumertest.LogsSink, expected int) func() bool {
return func() bool {
return sink.LogRecordCount() == expected
}
}