opentelemetry-collector-contrib/exporter/bmchelixexporter/config_test.go at 32245b496c03f9d9cebf176e53cc461da615d387 · MetricsHub/opentelemetry-collector-contrib · GitHub

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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

package bmchelixexporter

import (
	"path/filepath"
	"testing"
	"time"

	"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/configretry"
	"go.opentelemetry.io/collector/confmap/confmaptest"
	"go.opentelemetry.io/collector/confmap/xconfmap"

	"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/bmchelixexporter/internal/metadata"
)

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
		errorMessage string
	}{
		{
			id: component.NewIDWithName(metadata.Type, "helix1"),
			expected: &Config{
				ClientConfig:               createDefaultClientConfig("https://helix1:8080", 10*time.Second),
				APIKey:                     "api_key",
				RetryConfig:                configretry.NewDefaultBackOffConfig(),
				EnrichMetricWithAttributes: true,
			},
		},
		{
			id: component.NewIDWithName(metadata.Type, "helix2"),
			expected: &Config{
				ClientConfig: createDefaultClientConfig("https://helix2:8080", 20*time.Second),
				APIKey:       "api_key",
				RetryConfig: configretry.BackOffConfig{
					Enabled:             true,
					InitialInterval:     5 * time.Second,
					RandomizationFactor: 0.5,
					Multiplier:          1.5,
					MaxInterval:         1 * time.Minute,
					MaxElapsedTime:      8 * time.Minute,
				},
				EnrichMetricWithAttributes: true,
			},
		},
	}

	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, sub.Unmarshal(cfg))

			assert.NoError(t, xconfmap.Validate(cfg))
			assert.Equal(t, tt.expected, cfg)
		})
	}
}

func TestValidateConfig(t *testing.T) {
	tests := []struct {
		name   string
		config *Config
		err    string
	}{
		{
			name: "valid_config",
			config: &Config{
				ClientConfig: createDefaultClientConfig("https://helix:8080", 10*time.Second),
				APIKey:       "api_key",
			},
		},
		{
			name: "invalid_config1",
			config: &Config{
				APIKey: "api_key",
			},
			err: "endpoint is required",
		},
		{
			name: "invalid_config2",
			config: &Config{
				ClientConfig: createDefaultClientConfig("https://helix:8080", 10*time.Second),
			},
			err: "api key is required",
		},
		{
			name: "invalid_config3",
			config: &Config{
				ClientConfig: createDefaultClientConfig("https://helix:8080", -1),
				APIKey:       "api_key",
			},
			err: "timeout must be a positive integer",
		},
		{
			name: "invalid_config4",
			config: &Config{
				ClientConfig: createDefaultClientConfig("https://helix:8080", 0),
				APIKey:       "api_key",
			},
			err: "timeout must be a positive integer",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if tt.err != "" {
				err := tt.config.Validate()
				assert.Error(t, err)
				assert.Equal(t, tt.err, err.Error())
			} else {
				assert.NoError(t, tt.config.Validate())
			}
		})
	}
}

// createDefaultClientConfig creates a default client config for testing
func createDefaultClientConfig(endpoint string, timeout time.Duration) confighttp.ClientConfig {
	cfg := confighttp.NewDefaultClientConfig()
	cfg.Endpoint = endpoint
	cfg.Timeout = timeout
	return cfg
}