feat(config): viper-based config loader with env + file + master key validation

2026-04-28 13:30:14 +08:00
parent c5071d93eb
commit 26d6c72c33
4 changed files with 207 additions and 0 deletions
@@ -0,0 +1,42 @@
+package config
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestLoad_FromEnv(t *testing.T) {
+	t.Setenv("APP_ENV", "test")
+	t.Setenv("APP_HTTP_ADDR", ":9090")
+	t.Setenv("APP_DB_DSN", "postgres://test")
+	t.Setenv("APP_MASTER_KEY", "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff")
+	t.Setenv("APP_DATA_DIR", "/tmp/acw")
+	t.Setenv("APP_BOOTSTRAP_ADMIN_EMAIL", "a@b.c")
+	t.Setenv("APP_BOOTSTRAP_ADMIN_PASSWORD", "pw12345678")
+
+	cfg, err := Load("")
+	require.NoError(t, err)
+	require.Equal(t, "test", cfg.Env)
+	require.Equal(t, ":9090", cfg.HTTP.Addr)
+	require.Equal(t, "postgres://test", cfg.DB.DSN)
+	require.Len(t, cfg.MasterKey, 32) // hex decoded → 32 bytes
+	require.Equal(t, "/tmp/acw", cfg.DataDir)
+	require.Equal(t, "a@b.c", cfg.Bootstrap.AdminEmail)
+}
+
+func TestLoad_MissingMasterKey(t *testing.T) {
+	os.Clearenv()
+	t.Setenv("APP_DB_DSN", "x")
+	_, err := Load("")
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "MASTER_KEY")
+}
+
+func TestLoad_MasterKeyWrongLength(t *testing.T) {
+	t.Setenv("APP_MASTER_KEY", "deadbeef") // too short
+	t.Setenv("APP_DB_DSN", "x")
+	_, err := Load("")
+	require.Error(t, err)
+}