Files
MusicServer/internal/config/config_test.go
T
SansanandClaude Opus 5.5 f79f51ea4c
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Expose Prometheus metrics on a separate port
Metrics are served on METRICS_PORT (default 2112, "off" to disable), never on
the public port. Besides the Go runtime and process metrics this adds:

- http_requests_total and http_request_duration_seconds per route pattern,
  from an Echo middleware.
- musicserver_songs_requested_total and musicserver_songs_played_total by
  pick mode (random, low, classic). The mode is now stored with each queued
  song (migration 000006, not released yet).
- Library size, sync duration, last successful sync, broken songs from the
  last full sync, and the database connection pool.

Refs #35, #36, #37

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 21:57:58 +02:00

101 lines
2.9 KiB
Go

package config
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func env(values map[string]string) func(string) string {
return func(key string) string { return values[key] }
}
func validEnv() map[string]string {
return map[string]string{
"DB_HOST": "localhost",
"DB_PORT": "5432",
"DB_USERNAME": "user",
"DB_PASSWORD": "pass",
"DB_NAME": "music",
"MUSIC_PATH": "/music",
"CHARACTERS_PATH": "/characters",
}
}
func TestLoadDefaults(t *testing.T) {
cfg, err := load(env(validEnv()))
require.NoError(t, err)
assert.Equal(t, 8080, cfg.Port)
assert.Equal(t, "info", cfg.LogLevel)
assert.Equal(t, "songs", cfg.SoundCheckPath)
assert.Equal(t, DefaultReleasesURL, cfg.ReleasesURL)
assert.Empty(t, cfg.TrustedProxies)
assert.Empty(t, cfg.CORSAllowedOrigins)
assert.Equal(t, DefaultMetricsPort, cfg.MetricsPort)
}
func TestLoadMetricsPort(t *testing.T) {
values := validEnv()
values["METRICS_PORT"] = "9100"
cfg, err := load(env(values))
require.NoError(t, err)
assert.Equal(t, 9100, cfg.MetricsPort)
values["METRICS_PORT"] = "off"
cfg, err = load(env(values))
require.NoError(t, err)
assert.Zero(t, cfg.MetricsPort)
for _, invalid := range []string{"abc", "0", "70000", "-1", "OFF"} {
values["METRICS_PORT"] = invalid
_, err = load(env(values))
assert.ErrorContains(t, err, "METRICS_PORT", invalid)
}
}
func TestLoadMissingRequired(t *testing.T) {
values := validEnv()
delete(values, "MUSIC_PATH")
delete(values, "DB_HOST")
_, err := load(env(values))
require.Error(t, err)
assert.Contains(t, err.Error(), "MUSIC_PATH is required")
assert.Contains(t, err.Error(), "DB_HOST is required")
}
func TestLoadTrustedProxies(t *testing.T) {
values := validEnv()
values["TRUSTED_PROXIES"] = "10.0.0.0/8, 172.16.0.0/12"
cfg, err := load(env(values))
require.NoError(t, err)
require.Len(t, cfg.TrustedProxies, 2)
assert.Equal(t, "10.0.0.0/8", cfg.TrustedProxies[0].String())
values["TRUSTED_PROXIES"] = "not-a-cidr"
_, err = load(env(values))
assert.ErrorContains(t, err, "TRUSTED_PROXIES")
}
func TestLoadCORSAllowedOrigins(t *testing.T) {
values := validEnv()
values["CORS_ALLOWED_ORIGINS"] = "https://music.example.com, http://localhost:5173,"
cfg, err := load(env(values))
require.NoError(t, err)
assert.Equal(t, []string{"https://music.example.com", "http://localhost:5173"}, cfg.CORSAllowedOrigins)
for _, invalid := range []string{"music.example.com", "ftp://example.com", "https://example.com/app",
"https://*.example.com", "https://*", "*", "https://example.com?x=1", "https://user@example.com"} {
values["CORS_ALLOWED_ORIGINS"] = invalid
_, err = load(env(values))
assert.ErrorContains(t, err, "CORS_ALLOWED_ORIGINS", invalid)
}
}
func TestLoadInvalidPort(t *testing.T) {
values := validEnv()
values["PORT"] = "abc"
_, err := load(env(values))
assert.ErrorContains(t, err, "PORT")
}