92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package extensionhelper
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import (
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"context"
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"errors"
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"testing"
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"github.com/spf13/viper"
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"github.com/stretchr/testify/assert"
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"go.opentelemetry.io/collector/component"
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"go.opentelemetry.io/collector/config"
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)
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const typeStr = "test"
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var (
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defaultCfg = &config.ExtensionSettings{
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TypeVal: typeStr,
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NameVal: typeStr,
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}
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nopExtensionInstance = new(nopExtension)
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)
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func TestNewFactory(t *testing.T) {
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factory := NewFactory(
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typeStr,
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defaultConfig,
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createExtension)
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assert.EqualValues(t, typeStr, factory.Type())
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assert.EqualValues(t, defaultCfg, factory.CreateDefaultConfig())
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ext, err := factory.CreateExtension(context.Background(), component.ExtensionCreateParams{}, defaultCfg)
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assert.NoError(t, err)
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assert.Same(t, nopExtensionInstance, ext)
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}
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func TestNewFactory_WithConstructors(t *testing.T) {
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factory := NewFactory(
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typeStr,
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defaultConfig,
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createExtension,
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WithCustomUnmarshaler(customUnmarshaler))
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assert.EqualValues(t, typeStr, factory.Type())
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assert.EqualValues(t, defaultCfg, factory.CreateDefaultConfig())
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fu, ok := factory.(component.ConfigUnmarshaler)
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assert.True(t, ok)
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assert.Equal(t, errors.New("my error"), fu.Unmarshal(nil, nil))
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ext, err := factory.CreateExtension(context.Background(), component.ExtensionCreateParams{}, defaultCfg)
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assert.NoError(t, err)
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assert.Same(t, nopExtensionInstance, ext)
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}
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func defaultConfig() config.Extension {
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return defaultCfg
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}
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func createExtension(context.Context, component.ExtensionCreateParams, config.Extension) (component.Extension, error) {
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return nopExtensionInstance, nil
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}
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func customUnmarshaler(*viper.Viper, interface{}) error {
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return errors.New("my error")
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}
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type nopExtension struct {
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}
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func (ne *nopExtension) Start(context.Context, component.Host) error {
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return nil
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}
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// Shutdown stops the exporter and is invoked during shutdown.
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func (ne *nopExtension) Shutdown(context.Context) error {
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return nil
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}
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