github.com/loggregator/cli@v6.33.1-0.20180224010324-82334f081791+incompatible/actor/v3action/v3action_suite_test.go

package v3action_test

import (
	"archive/zip"
	"io"
	"os"
	"path/filepath"
	"strings"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	"testing"
)

func TestV3Action(t *testing.T) {
	RegisterFailHandler(Fail)
	RunSpecs(t, "V3 Actions Suite")
}

// Thanks to Svett Ralchev
// http://blog.ralch.com/tutorial/golang-working-with-zip/
func zipit(source, target, prefix string) error {
	zipfile, err := os.Create(target)
	if err != nil {
		return err
	}
	defer zipfile.Close()

	if prefix != "" {
		_, err = io.WriteString(zipfile, prefix)
		if err != nil {
			return err
		}
	}

	archive := zip.NewWriter(zipfile)
	defer archive.Close()

	err = filepath.Walk(source, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return err
		}

		header, err := zip.FileInfoHeader(info)
		if err != nil {
			return err
		}

		header.Name = strings.TrimPrefix(path, source)

		if info.IsDir() {
			header.Name += string(os.PathSeparator)
		} else {
			header.Method = zip.Deflate
		}

		writer, err := archive.CreateHeader(header)
		if err != nil {
			return err
		}

		if info.IsDir() {
			return nil
		}

		file, err := os.Open(path)
		if err != nil {
			return err
		}
		defer file.Close()

		_, err = io.Copy(writer, file)
		return err
	})

	return err
}