package platform

import (
	"strings"
	"testing"
)

func TestDetect(t *testing.T) {
	info := Detect()
	if info.OS == "" {
		t.Error("OS should not be empty")
	}
	if info.Arch == "" {
		t.Error("Arch should not be empty")
	}
	if info.Shell == "" {
		t.Error("Shell should not be empty")
	}
}

func TestDetectShell(t *testing.T) {
	shell := detectShell()
	if shell == "" {
		t.Error("Shell should not be empty")
	}
}

func TestDetectPackageManager(t *testing.T) {
	mgr := detectPackageManager("unknown")
	if mgr != "unknown" {
		t.Errorf("Unknown OS should return unknown package manager, got %s", mgr)
	}
}

func TestString(t *testing.T) {
	info := SystemInfo{
		OS:            Linux,
		Arch:          AMD64,
		Shell:         "bash",
		Terminal:      "unknown",
		PackageManager: "apt",
	}
	s := info.String()
	if s == "" {
		t.Error("String should not be empty")
	}
	if !strings.Contains(s, "linux") {
		t.Error("Should contain OS")
	}
}