feat(config): env-based configuration with validation

2026-07-01 16:27:31 +07:00
parent 353f1e9dd3
commit 0d42eb2db0
3 changed files with 100 additions and 0 deletions
@@ -0,0 +1,37 @@
+package config
+
+import (
+	"encoding/base64"
+	"testing"
+)
+
+func TestLoadRequiresEncKey32Bytes(t *testing.T) {
+	t.Setenv("DATABASE_URL", "postgres://x")
+	t.Setenv("AUTH_USER", "admin")
+	t.Setenv("AUTH_PASS", "pass")
+	t.Setenv("SESSION_SECRET", "secret")
+	t.Setenv("ENC_KEY", base64.StdEncoding.EncodeToString(make([]byte, 16))) // wrong size
+
+	if _, err := Load(); err == nil {
+		t.Fatal("expected error for 16-byte ENC_KEY, got nil")
+	}
+}
+
+func TestLoadDefaults(t *testing.T) {
+	t.Setenv("DATABASE_URL", "postgres://x")
+	t.Setenv("AUTH_USER", "admin")
+	t.Setenv("AUTH_PASS", "pass")
+	t.Setenv("SESSION_SECRET", "secret")
+	t.Setenv("ENC_KEY", base64.StdEncoding.EncodeToString(make([]byte, 32)))
+
+	cfg, err := Load()
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if cfg.HTTPAddr != ":8080" {
+		t.Errorf("HTTPAddr = %q, want :8080", cfg.HTTPAddr)
+	}
+	if cfg.WorkerConcurrency != 4 {
+		t.Errorf("WorkerConcurrency = %d, want 4", cfg.WorkerConcurrency)
+	}
+}