config_test.go

// Copyright 2021, 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://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 influxdbexporter

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/confmap/confmaptest"
	"go.opentelemetry.io/collector/exporter/exporterhelper"
)

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
	}{
		{
			id:       component.NewIDWithName(typeStr, ""),
			expected: createDefaultConfig(),
		},
		{
			id: component.NewIDWithName(typeStr, "withsettings"),
			expected: &Config{
				HTTPClientSettings: confighttp.HTTPClientSettings{
					Endpoint: "http://localhost:8080",
					Timeout:  500 * time.Millisecond,
					Headers:  map[string]configopaque.String{"User-Agent": "OpenTelemetry -> Influx"},
				},
				QueueSettings: exporterhelper.QueueSettings{
					Enabled:      true,
					NumConsumers: 3,
					QueueSize:    10,
				},
				RetrySettings: exporterhelper.RetrySettings{
					Enabled:             true,
					InitialInterval:     1 * time.Second,
					MaxInterval:         3 * time.Second,
					MaxElapsedTime:      10 * time.Second,
					RandomizationFactor: backoff.DefaultRandomizationFactor,
					Multiplier:          backoff.DefaultMultiplier,
				},
				Org:           "my-org",
				Bucket:        "my-bucket",
				Token:         "my-token",
				MetricsSchema: "telegraf-prometheus-v2",
			},
		},
	}

	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))

			assert.NoError(t, component.ValidateConfig(cfg))
			assert.Equal(t, tt.expected, cfg)
		})
	}
}