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unmarshaler_test.go
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unmarshaler_test.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package otelcol
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"go.opentelemetry.io/collector/confmap"
"go.opentelemetry.io/collector/service"
"go.opentelemetry.io/collector/service/pipelines"
"go.opentelemetry.io/collector/service/telemetry"
)
func TestUnmarshalEmpty(t *testing.T) {
factories, err := nopFactories()
assert.NoError(t, err)
_, err = unmarshal(confmap.New(), factories)
assert.NoError(t, err)
}
func TestUnmarshalEmptyAllSections(t *testing.T) {
factories, err := nopFactories()
assert.NoError(t, err)
conf := confmap.NewFromStringMap(map[string]any{
"receivers": nil,
"processors": nil,
"exporters": nil,
"connectors": nil,
"extensions": nil,
"service": nil,
})
cfg, err := unmarshal(conf, factories)
assert.NoError(t, err)
zapProdCfg := zap.NewProductionConfig()
assert.Equal(t, telemetry.LogsConfig{
Level: zapProdCfg.Level.Level(),
Development: zapProdCfg.Development,
Encoding: "console",
Sampling: &telemetry.LogsSamplingConfig{
Enabled: true,
Tick: 10 * time.Second,
Initial: 10,
Thereafter: 100,
},
DisableCaller: zapProdCfg.DisableCaller,
DisableStacktrace: zapProdCfg.DisableStacktrace,
OutputPaths: zapProdCfg.OutputPaths,
ErrorOutputPaths: zapProdCfg.ErrorOutputPaths,
InitialFields: zapProdCfg.InitialFields,
}, cfg.Service.Telemetry.Logs)
}
func TestUnmarshalUnknownTopLevel(t *testing.T) {
factories, err := nopFactories()
assert.NoError(t, err)
conf := confmap.NewFromStringMap(map[string]any{
"unknown_section": nil,
})
_, err = unmarshal(conf, factories)
require.Error(t, err)
assert.Contains(t, err.Error(), "'' has invalid keys: unknown_section")
}
func TestPipelineConfigUnmarshalError(t *testing.T) {
var testCases = []struct {
// test case name (also file name containing config yaml)
name string
conf *confmap.Conf
// string that the error must contain
expectError string
}{
{
name: "duplicate-pipeline",
conf: confmap.NewFromStringMap(map[string]any{
"traces/ pipe": nil,
"traces /pipe": nil,
}),
expectError: "duplicate name",
},
{
name: "invalid-pipeline-name-after-slash",
conf: confmap.NewFromStringMap(map[string]any{
"metrics/": nil,
}),
expectError: "in \"metrics/\" id: the part after / should not be empty",
},
{
name: "invalid-pipeline-section",
conf: confmap.NewFromStringMap(map[string]any{
"traces": map[string]any{
"unknown_section": nil,
},
}),
expectError: "'[traces]' has invalid keys: unknown_section",
},
{
name: "invalid-pipeline-sub-config",
conf: confmap.NewFromStringMap(map[string]any{
"traces": "string",
}),
expectError: "'[traces]' expected a map, got 'string'",
},
{
name: "invalid-pipeline-type",
conf: confmap.NewFromStringMap(map[string]any{
"/metrics": nil,
}),
expectError: "in \"/metrics\" id: the part before / should not be empty",
},
{
name: "invalid-sequence-value",
conf: confmap.NewFromStringMap(map[string]any{
"traces": map[string]any{
"receivers": map[string]any{
"nop": map[string]any{
"some": "config",
},
},
},
}),
expectError: "'[traces].receivers[0]' has invalid keys: nop",
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
pips := new(pipelines.Config)
err := tt.conf.Unmarshal(&pips)
require.Error(t, err)
assert.Contains(t, err.Error(), tt.expectError)
})
}
}
func TestServiceUnmarshalError(t *testing.T) {
var testCases = []struct {
// test case name (also file name containing config yaml)
name string
conf *confmap.Conf
// string that the error must contain
expectError string
}{
{
name: "invalid-logs-level",
conf: confmap.NewFromStringMap(map[string]any{
"telemetry": map[string]any{
"logs": map[string]any{
"level": "UNKNOWN",
},
},
}),
expectError: "error decoding 'telemetry.logs.level': unrecognized level: \"UNKNOWN\"",
},
{
name: "invalid-metrics-level",
conf: confmap.NewFromStringMap(map[string]any{
"telemetry": map[string]any{
"metrics": map[string]any{
"level": "unknown",
},
},
}),
expectError: "error decoding 'telemetry.metrics.level': unknown metrics level \"unknown\"",
},
{
name: "invalid-service-extensions-section",
conf: confmap.NewFromStringMap(map[string]any{
"extensions": []any{
map[string]any{
"nop": map[string]any{
"some": "config",
},
},
},
}),
expectError: "'extensions[0]' has invalid keys: nop",
},
{
name: "invalid-service-section",
conf: confmap.NewFromStringMap(map[string]any{
"unknown_section": "string",
}),
expectError: "'' has invalid keys: unknown_section",
},
{
name: "invalid-pipelines-config",
conf: confmap.NewFromStringMap(map[string]any{
"pipelines": "string",
}),
expectError: "'pipelines' expected a map, got 'string'",
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
err := tt.conf.Unmarshal(&service.Config{})
require.Error(t, err)
assert.Contains(t, err.Error(), tt.expectError)
})
}
}