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confmap.go
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confmap.go
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// Copyright The 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
//
// http: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 operatortest // import "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator/operatortest"
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/confmap"
"go.opentelemetry.io/collector/confmap/confmaptest"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator"
)
// ConfigUnmarshalTest is used for testing golden configs
type ConfigUnmarshalTests struct {
DefaultConfig operator.Builder
TestsFile string
Tests []ConfigUnmarshalTest
}
// ConfigUnmarshalTest is used for testing golden configs
type ConfigUnmarshalTest struct {
Name string
Expect interface{}
ExpectErr bool
}
// Run Unmarshals yaml files and compares them against the expected.
func (c ConfigUnmarshalTests) Run(t *testing.T) {
testConfMaps, err := confmaptest.LoadConf(c.TestsFile)
require.NoError(t, err)
for _, tc := range c.Tests {
t.Run(tc.Name, func(t *testing.T) {
testConfMap, err := testConfMaps.Sub(tc.Name)
require.NoError(t, err)
require.NotZero(t, len(testConfMap.AllKeys()), fmt.Sprintf("config not found: '%s'", tc.Name))
cfg := newAnyOpConfig(c.DefaultConfig)
err = config.UnmarshalReceiver(testConfMap, cfg)
if tc.ExpectErr {
require.Error(t, err)
} else {
require.NoError(t, err)
require.Equal(t, tc.Expect, cfg.Operator.Builder)
}
})
}
}
type anyOpConfig struct {
config.ReceiverSettings `mapstructure:",squash"`
Operator operator.Config `mapstructure:"operator"`
}
func newAnyOpConfig(opCfg operator.Builder) *anyOpConfig {
return &anyOpConfig{
ReceiverSettings: config.NewReceiverSettings(config.NewComponentID("any_op")),
Operator: operator.Config{Builder: opCfg},
}
}
func (a *anyOpConfig) Unmarshal(component *confmap.Conf) error {
return a.Operator.Unmarshal(component)
}