package filex

import (
	"os"
	"path/filepath"
	"testing"
)

func TestPathExistsAndWorkDir(t *testing.T) {
	exists, err := PathExists(".")
	if err != nil || !exists {
		t.Errorf("PathExists(.) = %v, %v, want true", exists, err)
	}
	if exists, _ := PathExists(filepath.Join(t.TempDir(), "not-exist")); exists {
		t.Error("不存在的路径应返回 false")
	}
	if GetWorkDir() == "" {
		t.Error("GetWorkDir 不应为空")
	}
}

func TestZipAndUnzip(t *testing.T) {
	dir := t.TempDir()
	src := filepath.Join(dir, "src", "inner")
	if err := os.MkdirAll(src, 0755); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(src, "hello.txt"), []byte("zip content"), 0644); err != nil {
		t.Fatal(err)
	}

	zipPath := filepath.Join(dir, "src.zip")
	if err := Zip(filepath.Join(dir, "src"), zipPath); err != nil {
		t.Fatalf("Zip: %v", err)
	}

	dest := filepath.Join(dir, "out")
	if err := Unzip(zipPath, dest); err != nil {
		t.Fatalf("Unzip: %v", err)
	}

	data, err := os.ReadFile(filepath.Join(dest, "src", "inner", "hello.txt"))
	if err != nil {
		t.Fatalf("读取解压文件: %v", err)
	}
	if string(data) != "zip content" {
		t.Errorf("解压内容 = %q", string(data))
	}
}