feat: add tray control, priority restoration and session logging

rotate_test.go

@@ -0,0 +1,73 @@
+//go:build windows
+
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"unicode/utf8"
+)
+
+func TestLogRotationBoundedUTF8AndRestart(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "test.log")
+	w, e := openRotatingLog(path, 256)
+	if e != nil {
+		t.Fatal(e)
+	}
+	for i := 0; i < 8; i++ {
+		if e = w.Write(strings.Repeat("АБ", 40) + "\n"); e != nil {
+			t.Fatal(e)
+		}
+	}
+	if e = w.Write(strings.Repeat("Ж", 600)); e != nil {
+		t.Fatal(e)
+	}
+	if e = w.Close(); e != nil {
+		t.Fatal(e)
+	}
+	for _, p := range []string{path, path + ".1"} {
+		data, e := os.ReadFile(p)
+		if e != nil {
+			t.Fatal(e)
+		}
+		if len(data) > 256 {
+			t.Fatalf("unbounded log: %d bytes", len(data))
+		}
+		if !utf8.Valid(data) {
+			t.Fatal("split a UTF-8 character")
+		}
+	}
+	w, e = openRotatingLog(path, 256)
+	if e != nil {
+		t.Fatal(e)
+	}
+	if e = w.Write("LAST\n"); e != nil {
+		t.Fatal(e)
+	}
+	w.Close()
+	data, e := os.ReadFile(path)
+	if e != nil || !strings.HasSuffix(string(data), "LAST\n") {
+		t.Fatal("restart failed")
+	}
+	entries, _ := os.ReadDir(filepath.Dir(path))
+	if len(entries) != 1 {
+		t.Fatalf("unexpected files: %d", len(entries))
+	}
+}
+func TestLogRejectsDirectoryAndClosedWriter(t *testing.T) {
+	dir := t.TempDir()
+	if w, e := openRotatingLog(dir, 256); e == nil {
+		w.Close()
+		t.Fatal("accepted a directory")
+	}
+	w, e := openRotatingLog(filepath.Join(dir, "x.log"), 256)
+	if e != nil {
+		t.Fatal(e)
+	}
+	w.Close()
+	if e = w.Write("x"); e == nil {
+		t.Fatal("silenced write after close")
+	}
+}