Function TestPreferenceManager_GetTopPreferences

pkg/memory/preference_test.go:303–338

(t *testing.T)

}

func TestPreferenceManager_GetTopPreferences(t *testing.T) {
	manager := NewPreferenceManager(DefaultPreferenceManagerConfig())

	// 添加多个偏好（不同强度）
	prefs := []*Preference{
		{UserID: "user-1", Category: CategoryUI, Key: "theme", Value: "dark", Strength: 0.9, Confidence: 0.9},
		{UserID: "user-1", Category: CategoryUI, Key: "font", Value: "mono", Strength: 0.5, Confidence: 0.8},
		{UserID: "user-1", Category: CategoryLanguage, Key: "lang", Value: "zh", Strength: 0.8, Confidence: 1.0},
	}

	for _, pref := range prefs {
		if err := manager.AddPreference(context.Background(), pref); err != nil {
			t.Fatalf("AddPreference failed: %v", err)
		}
	}

	// 获取 TOP 2
	top, err := manager.GetTopPreferences(context.Background(), "user-1", 2)
	if err != nil {
		t.Fatalf("GetTopPreferences failed: %v", err)
	}

	if len(top) != 2 {
		t.Errorf("GetTopPreferences returned %d preferences, want 2", len(top))
	}

	// 验证排序
	if top[0].Strength < top[1].Strength {
		t.Error("preferences should be sorted by strength (descending)")
	}

	// 验证第一个是强度最高的
	if top[0].Key != "theme" {
		t.Errorf("top[0].Key = %s, want 'theme'", top[0].Key)
	}
}

func TestPreferenceManager_ApplyDecay(t *testing.T) {
	config := DefaultPreferenceManagerConfig()