app-init

internal/logger/logger_test.go

@@ -0,0 +1,87 @@
+package logger
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestRedactURLToken(t *testing.T) {
+	raw := "http://ntunnel.example.com/?token=secret-token-value"
+	got := RedactURL(raw)
+	if strings.Contains(got, "secret-token-value") {
+		t.Fatalf("token leaked: %s", got)
+	}
+}
+
+func TestRedactTextPasswordAndToken(t *testing.T) {
+	in := `login failed password=hunter2 token=abc123 url=https://x.example/?token=zzz`
+	got := RedactText(in)
+	for _, secret := range []string{"hunter2", "abc123", "zzz"} {
+		if strings.Contains(got, secret) {
+			t.Fatalf("secret %q leaked in %q", secret, got)
+		}
+	}
+}
+
+func TestParseLevel(t *testing.T) {
+	if ParseLevel("DEBUG") != LevelDebug {
+		t.Fatal("debug")
+	}
+	if ParseLevel("nope") != LevelInfo {
+		t.Fatal("default")
+	}
+}
+
+func TestDatedPath(t *testing.T) {
+	day := time.Date(2026, 9, 21, 15, 0, 0, 0, time.Local)
+	got := DatedPath(filepath.Join("logs", "tunnel.log"), day)
+	want := filepath.Join("logs", "tunnel-2026-09-21.log")
+	if got != want {
+		t.Fatalf("got %s want %s", got, want)
+	}
+}
+
+func TestDailyRotateAndPurge(t *testing.T) {
+	dir := t.TempDir()
+	base := filepath.Join(dir, "tunnel.log")
+	now := time.Date(2026, 9, 21, 10, 0, 0, 0, time.Local)
+
+	keepDay := now.AddDate(0, 0, -3)
+	dropDay := now.AddDate(0, 0, -8)
+	keepPath := DatedPath(base, keepDay)
+	dropPath := DatedPath(base, dropDay)
+	if err := os.WriteFile(keepPath, []byte("keep\n"), 0o640); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(dropPath, []byte("drop\n"), 0o640); err != nil {
+		t.Fatal(err)
+	}
+
+	l, err := New(base, "info", false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer l.Close()
+
+	l.mu.Lock()
+	if err := l.rotateLocked(now); err != nil {
+		l.mu.Unlock()
+		t.Fatal(err)
+	}
+	l.mu.Unlock()
+	l.Info("hello")
+
+	today := DatedPath(base, now)
+	if _, err := os.Stat(today); err != nil {
+		t.Fatalf("today log missing: %v", err)
+	}
+	if _, err := os.Stat(keepPath); err != nil {
+		t.Fatalf("recent log should remain: %v", err)
+	}
+	if _, err := os.Stat(dropPath); !os.IsNotExist(err) {
+		t.Fatalf("old log should be purged, err=%v", err)
+	}
+}