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config_test.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package service
import (
"errors"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/contrib/config"
"go.uber.org/zap/zapcore"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/configtelemetry"
"go.opentelemetry.io/collector/pipeline"
"go.opentelemetry.io/collector/service/extensions"
"go.opentelemetry.io/collector/service/pipelines"
"go.opentelemetry.io/collector/service/telemetry"
)
func TestConfigValidate(t *testing.T) {
var testCases = []struct {
name string // test case name (also file name containing config yaml)
cfgFn func() *Config
expected error
}{
{
name: "valid",
cfgFn: generateConfig,
expected: nil,
},
{
name: "custom-service-telemetrySettings-encoding",
cfgFn: func() *Config {
cfg := generateConfig()
cfg.Telemetry.Logs.Encoding = "json"
return cfg
},
expected: nil,
},
{
name: "duplicate-processor-reference",
cfgFn: func() *Config {
cfg := generateConfig()
pipe := cfg.Pipelines[pipeline.NewID(pipeline.SignalTraces)]
pipe.Processors = append(pipe.Processors, pipe.Processors...)
return cfg
},
expected: fmt.Errorf(`service::pipelines config validation failed: %w`, fmt.Errorf(`pipeline "traces": %w`, errors.New(`references processor "nop" multiple times`))),
},
{
name: "invalid-service-pipeline-type",
cfgFn: func() *Config {
cfg := generateConfig()
cfg.Pipelines[pipeline.MustNewID("wrongtype")] = &pipelines.PipelineConfig{
Receivers: []component.ID{component.MustNewID("nop")},
Processors: []component.ID{component.MustNewID("nop")},
Exporters: []component.ID{component.MustNewID("nop")},
}
return cfg
},
expected: fmt.Errorf(`service::pipelines config validation failed: %w`, errors.New(`pipeline "wrongtype": unknown signal "wrongtype"`)),
},
{
name: "invalid-telemetry-metric-config",
cfgFn: func() *Config {
cfg := generateConfig()
cfg.Telemetry.Metrics.Level = configtelemetry.LevelBasic
cfg.Telemetry.Metrics.Readers = nil
return cfg
},
expected: nil,
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
cfg := tt.cfgFn()
assert.Equal(t, tt.expected, cfg.Validate())
})
}
}
func generateConfig() *Config {
return &Config{
Telemetry: telemetry.Config{
Logs: telemetry.LogsConfig{
Level: zapcore.DebugLevel,
Development: true,
Encoding: "console",
DisableCaller: true,
DisableStacktrace: true,
OutputPaths: []string{"stderr", "./output-logs"},
ErrorOutputPaths: []string{"stderr", "./error-output-logs"},
InitialFields: map[string]any{"fieldKey": "filed-value"},
},
Metrics: telemetry.MetricsConfig{
Level: configtelemetry.LevelNormal,
Readers: []config.MetricReader{{
Pull: &config.PullMetricReader{Exporter: config.MetricExporter{Prometheus: &config.Prometheus{
Host: newPtr("localhost"),
Port: newPtr(8080),
}}}},
},
},
},
Extensions: extensions.Config{component.MustNewID("nop")},
Pipelines: pipelines.Config{
pipeline.NewID(pipeline.SignalTraces): {
Receivers: []component.ID{component.MustNewID("nop")},
Processors: []component.ID{component.MustNewID("nop")},
Exporters: []component.ID{component.MustNewID("nop")},
},
},
}
}