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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 prometheusremotewriteexporter
import (
"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/configtls"
"go.opentelemetry.io/collector/confmap/confmaptest"
"go.opentelemetry.io/collector/exporter/exporterhelper"
"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusremotewriteexporter/internal/metadata"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/resourcetotelemetry"
)
func TestLoadConfig(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
errorMessage string
}{
{
id: component.NewIDWithName(metadata.Type, ""),
expected: createDefaultConfig(),
},
{
id: component.NewIDWithName(metadata.Type, "2"),
expected: &Config{
TimeoutSettings: exporterhelper.NewDefaultTimeoutSettings(),
RetrySettings: exporterhelper.RetrySettings{
Enabled: true,
InitialInterval: 10 * time.Second,
MaxInterval: 1 * time.Minute,
MaxElapsedTime: 10 * time.Minute,
RandomizationFactor: backoff.DefaultRandomizationFactor,
Multiplier: backoff.DefaultMultiplier,
},
RemoteWriteQueue: RemoteWriteQueue{
Enabled: true,
QueueSize: 2000,
NumConsumers: 10,
},
AddTypeAndUnitSuffixes: false,
Namespace: "test-space",
ExternalLabels: map[string]string{"key1": "value1", "key2": "value2"},
HTTPClientSettings: confighttp.HTTPClientSettings{
Endpoint: "localhost:8888",
TLSSetting: configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: "/var/lib/mycert.pem", // This is subject to change, but currently I have no idea what else to put here lol
},
Insecure: false,
},
ReadBufferSize: 0,
WriteBufferSize: 512 * 1024,
Timeout: 5 * time.Second,
Headers: map[string]configopaque.String{
"Prometheus-Remote-Write-Version": "0.1.0",
"X-Scope-OrgID": "234"},
},
ResourceToTelemetrySettings: resourcetotelemetry.Settings{Enabled: true},
TargetInfo: &TargetInfo{
Enabled: true,
},
CreatedMetric: &CreatedMetric{Enabled: true},
},
},
{
id: component.NewIDWithName(metadata.Type, "negative_queue_size"),
errorMessage: "remote write queue size can't be negative",
},
{
id: component.NewIDWithName(metadata.Type, "negative_num_consumers"),
errorMessage: "remote write consumer number can't be negative",
},
}
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))
if tt.expected == nil {
assert.EqualError(t, component.ValidateConfig(cfg), tt.errorMessage)
return
}
assert.NoError(t, component.ValidateConfig(cfg))
assert.Equal(t, tt.expected, cfg)
})
}
}
func TestDisabledQueue(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(component.NewIDWithName(metadata.Type, "disabled_queue").String())
require.NoError(t, err)
require.NoError(t, component.UnmarshalConfig(sub, cfg))
assert.False(t, cfg.(*Config).RemoteWriteQueue.Enabled)
}
func TestDisabledTargetInfo(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(component.NewIDWithName(metadata.Type, "disabled_target_info").String())
require.NoError(t, err)
require.NoError(t, component.UnmarshalConfig(sub, cfg))
assert.False(t, cfg.(*Config).TargetInfo.Enabled)
}