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config_test.go
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config_test.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package lokiexporter
import (
"fmt"
"path/filepath"
"testing"
"time"
"github.com/cenkalti/backoff/v4"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/config/configopaque"
"go.opentelemetry.io/collector/config/configretry"
"go.opentelemetry.io/collector/config/configtls"
"go.opentelemetry.io/collector/confmap/confmaptest"
"go.opentelemetry.io/collector/exporter/exporterhelper"
"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/lokiexporter/internal/metadata"
)
func TestLoadConfigNewExporter(t *testing.T) {
t.Parallel()
cm, err := confmaptest.LoadConf(filepath.Join("testdata", "config.yaml"))
require.NoError(t, err)
tests := []struct {
id component.ID
expected component.Config
}{
{
id: component.NewIDWithName(metadata.Type, "allsettings"),
expected: &Config{
ClientConfig: confighttp.ClientConfig{
Headers: map[string]configopaque.String{
"X-Custom-Header": "loki_rocks",
},
Endpoint: "https://loki:3100/loki/api/v1/push",
TLSSetting: configtls.ClientConfig{
TLSSetting: configtls.Config{
CAFile: "/var/lib/mycert.pem",
CertFile: "certfile",
KeyFile: "keyfile",
},
Insecure: true,
},
ReadBufferSize: 123,
WriteBufferSize: 345,
Timeout: time.Second * 10,
},
BackOffConfig: configretry.BackOffConfig{
Enabled: true,
InitialInterval: 10 * time.Second,
MaxInterval: 1 * time.Minute,
MaxElapsedTime: 10 * time.Minute,
RandomizationFactor: backoff.DefaultRandomizationFactor,
Multiplier: backoff.DefaultMultiplier,
},
QueueSettings: exporterhelper.QueueSettings{
Enabled: true,
NumConsumers: 2,
QueueSize: 10,
},
DefaultLabelsEnabled: map[string]bool{
"exporter": false,
"job": true,
"instance": true,
"level": false,
},
},
},
}
for _, tt := range tests {
t.Run(tt.id.String(), func(t *testing.T) {
factory := NewFactory()
cfg := factory.CreateDefaultConfig()
sub, err := cm.Sub(tt.id.String())
require.NoError(t, err)
require.NoError(t, component.UnmarshalConfig(sub, cfg))
assert.NoError(t, component.ValidateConfig(cfg))
assert.Equal(t, tt.expected, cfg)
})
}
}
func TestConfigValidate(t *testing.T) {
testCases := []struct {
desc string
cfg *Config
err error
}{
{
desc: "QueueSettings are invalid",
cfg: &Config{QueueSettings: exporterhelper.QueueSettings{QueueSize: -1, Enabled: true}},
err: fmt.Errorf("queue settings has invalid configuration"),
},
{
desc: "Endpoint is invalid",
cfg: &Config{},
err: fmt.Errorf("\"endpoint\" must be a valid URL"),
},
{
desc: "Config is valid",
cfg: &Config{
ClientConfig: confighttp.ClientConfig{
Endpoint: "https://loki.example.com",
},
},
err: nil,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
err := tc.cfg.Validate()
if tc.err != nil {
require.Error(t, err)
assert.Contains(t, err.Error(), tc.err.Error())
} else {
require.NoError(t, err)
}
})
}
}