feat(Go_Updater): 添加全新 Go 语言实现的自动更新器

- 新增多个源文件和目录，包括 app.rc、assets、build 脚本等
- 实现了与 MirrorChyan API 交互的客户端逻辑
- 添加了版本检查、更新检测和下载 URL 生成等功能
- 嵌入了配置模板和资源文件系统
- 提供了完整的构建和发布流程

Go_Updater/gui/manager_test.go

@@ -0,0 +1,227 @@
+package gui
+
+import (
+	"testing"
+	"time"
+)
+
+func TestNewManager(t *testing.T) {
+	manager := NewManager()
+	if manager == nil {
+		t.Fatal("NewManager() returned nil")
+	}
+	
+	if manager.app == nil {
+		t.Error("Manager app is nil")
+	}
+	
+	if manager.window == nil {
+		t.Error("Manager window is nil")
+	}
+}
+
+func TestUpdateStatus(t *testing.T) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	// Test different status updates
+	testCases := []struct {
+		status  UpdateStatus
+		message string
+	}{
+		{StatusChecking, "检查更新中..."},
+		{StatusUpdateAvailable, "发现新版本"},
+		{StatusDownloading, "下载中..."},
+		{StatusInstalling, "安装中..."},
+		{StatusCompleted, "更新完成"},
+		{StatusError, "更新失败"},
+	}
+	
+	for _, tc := range testCases {
+		manager.UpdateStatus(tc.status, tc.message)
+		
+		if manager.GetCurrentStatus() != tc.status {
+			t.Errorf("Expected status %v, got %v", tc.status, manager.GetCurrentStatus())
+		}
+		
+		if manager.statusLabel.Text != tc.message {
+			t.Errorf("Expected message '%s', got '%s'", tc.message, manager.statusLabel.Text)
+		}
+	}
+}
+
+func TestShowProgress(t *testing.T) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	// Test progress values
+	testValues := []float64{0, 25.5, 50, 75.8, 100, 150, -10}
+	expectedValues := []float64{0, 25.5, 50, 75.8, 100, 100, 0}
+	
+	for i, value := range testValues {
+		manager.ShowProgress(value)
+		expected := expectedValues[i] / 100.0
+		
+		if manager.progressBar.Value != expected {
+			t.Errorf("Expected progress %.2f, got %.2f", expected, manager.progressBar.Value)
+		}
+	}
+}
+
+func TestSetVersionInfo(t *testing.T) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	version := "v1.2.3"
+	manager.SetVersionInfo(version)
+	
+	expectedText := "当前版本: v1.2.3"
+	if manager.versionLabel.Text != expectedText {
+		t.Errorf("Expected version text '%s', got '%s'", expectedText, manager.versionLabel.Text)
+	}
+}
+
+func TestFormatSpeed(t *testing.T) {
+	manager := NewManager()
+	
+	testCases := []struct {
+		speed    int64
+		expected string
+	}{
+		{512, "512 B/s"},
+		{1536, "1.5 KB/s"},
+		{1048576, "1.0 MB/s"},
+		{2621440, "2.5 MB/s"},
+	}
+	
+	for _, tc := range testCases {
+		result := manager.formatSpeed(tc.speed)
+		if result != tc.expected {
+			t.Errorf("Expected speed format '%s', got '%s'", tc.expected, result)
+		}
+	}
+}
+
+func TestShowProgressWithSpeed(t *testing.T) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	percentage := 45.5
+	speed := int64(1048576) // 1 MB/s
+	eta := "2分钟"
+	
+	manager.ShowProgressWithSpeed(percentage, speed, eta)
+	
+	expectedProgress := percentage / 100.0
+	if manager.progressBar.Value != expectedProgress {
+		t.Errorf("Expected progress %.2f, got %.2f", expectedProgress, manager.progressBar.Value)
+	}
+	
+	expectedStatus := "下载中... 45.5% (1.0 MB/s) - 剩余时间: 2分钟"
+	if manager.statusLabel.Text != expectedStatus {
+		t.Errorf("Expected status '%s', got '%s'", expectedStatus, manager.statusLabel.Text)
+	}
+}
+
+func TestActionButtonStates(t *testing.T) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	// Test enabling/disabling
+	manager.EnableActionButton(false)
+	if !manager.actionButton.Disabled() {
+		t.Error("Action button should be disabled")
+	}
+	
+	manager.EnableActionButton(true)
+	if manager.actionButton.Disabled() {
+		t.Error("Action button should be enabled")
+	}
+	
+	// Test text setting
+	testText := "测试按钮"
+	manager.SetActionButtonText(testText)
+	if manager.actionButton.Text != testText {
+		t.Errorf("Expected button text '%s', got '%s'", testText, manager.actionButton.Text)
+	}
+}
+
+func TestProgressBarVisibility(t *testing.T) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	// Initially hidden
+	if manager.progressBar.Visible() {
+		t.Error("Progress bar should be initially hidden")
+	}
+	
+	// Show progress bar
+	manager.ShowProgressBar()
+	if !manager.progressBar.Visible() {
+		t.Error("Progress bar should be visible after ShowProgressBar()")
+	}
+	
+	// Hide progress bar
+	manager.HideProgressBar()
+	if manager.progressBar.Visible() {
+		t.Error("Progress bar should be hidden after HideProgressBar()")
+	}
+}
+
+func TestSetCallbacks(t *testing.T) {
+	manager := NewManager()
+	
+	checkUpdateCalled := false
+	cancelCalled := false
+	
+	onCheckUpdate := func() {
+		checkUpdateCalled = true
+	}
+	
+	onCancel := func() {
+		cancelCalled = true
+	}
+	
+	manager.SetCallbacks(onCheckUpdate, onCancel)
+	
+	// Verify callbacks are set
+	if manager.onCheckUpdate == nil {
+		t.Error("onCheckUpdate callback not set")
+	}
+	
+	if manager.onCancel == nil {
+		t.Error("onCancel callback not set")
+	}
+	
+	// Test callback execution
+	manager.onCheckUpdate()
+	if !checkUpdateCalled {
+		t.Error("onCheckUpdate callback was not called")
+	}
+	
+	manager.onCancel()
+	if !cancelCalled {
+		t.Error("onCancel callback was not called")
+	}
+}
+
+// Benchmark tests for performance
+func BenchmarkUpdateStatus(b *testing.B) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		manager.UpdateStatus(StatusDownloading, "下载中...")
+	}
+}
+
+func BenchmarkShowProgress(b *testing.B) {
+	manager := NewManager()
+	manager.createUIComponents()
+	
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		manager.ShowProgress(float64(i % 100))
+	}
+}