feat(backup): Add backup/restore to the server

api/archive/targz_test.go

@@ -0,0 +1,98 @@
+package archive
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func listFiles(dir string) []string {
+	items := make([]string, 0)
+	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if path == dir {
+			return nil
+		}
+		items = append(items, path)
+		return nil
+	})
+
+	return items
+}
+
+func Test_shouldCreateArhive(t *testing.T) {
+	tmpdir, _ := os.MkdirTemp("", "backup")
+	defer os.RemoveAll(tmpdir)
+
+	content := []byte("content")
+	ioutil.WriteFile(path.Join(tmpdir, "outer"), content, 0600)
+	os.MkdirAll(path.Join(tmpdir, "dir"), 0700)
+	ioutil.WriteFile(path.Join(tmpdir, "dir", ".dotfile"), content, 0600)
+	ioutil.WriteFile(path.Join(tmpdir, "dir", "inner"), content, 0600)
+
+	gzPath, err := TarGzDir(tmpdir)
+	assert.Nil(t, err)
+	assert.Equal(t, filepath.Join(tmpdir, fmt.Sprintf("%s.tar.gz", filepath.Base(tmpdir))), gzPath)
+
+	extractionDir, _ := os.MkdirTemp("", "extract")
+	defer os.RemoveAll(extractionDir)
+
+	cmd := exec.Command("tar", "-xzf", gzPath, "-C", extractionDir)
+	err = cmd.Run()
+	if err != nil {
+		t.Fatal("Failed to extract archive: ", err)
+	}
+	extractedFiles := listFiles(extractionDir)
+
+	wasExtracted := func(p string) {
+		fullpath := path.Join(extractionDir, p)
+		assert.Contains(t, extractedFiles, fullpath)
+		copyContent, _ := ioutil.ReadFile(fullpath)
+		assert.Equal(t, content, copyContent)
+	}
+
+	wasExtracted("outer")
+	wasExtracted("dir/inner")
+	wasExtracted("dir/.dotfile")
+}
+
+func Test_shouldCreateArhiveXXXXX(t *testing.T) {
+	tmpdir, _ := os.MkdirTemp("", "backup")
+	defer os.RemoveAll(tmpdir)
+
+	content := []byte("content")
+	ioutil.WriteFile(path.Join(tmpdir, "outer"), content, 0600)
+	os.MkdirAll(path.Join(tmpdir, "dir"), 0700)
+	ioutil.WriteFile(path.Join(tmpdir, "dir", ".dotfile"), content, 0600)
+	ioutil.WriteFile(path.Join(tmpdir, "dir", "inner"), content, 0600)
+
+	gzPath, err := TarGzDir(tmpdir)
+	assert.Nil(t, err)
+	assert.Equal(t, filepath.Join(tmpdir, fmt.Sprintf("%s.tar.gz", filepath.Base(tmpdir))), gzPath)
+
+	extractionDir, _ := os.MkdirTemp("", "extract")
+	defer os.RemoveAll(extractionDir)
+
+	r, _ := os.Open(gzPath)
+	ExtractTarGz(r, extractionDir)
+	if err != nil {
+		t.Fatal("Failed to extract archive: ", err)
+	}
+	extractedFiles := listFiles(extractionDir)
+
+	wasExtracted := func(p string) {
+		fullpath := path.Join(extractionDir, p)
+		assert.Contains(t, extractedFiles, fullpath)
+		copyContent, _ := ioutil.ReadFile(fullpath)
+		assert.Equal(t, content, copyContent)
+	}
+
+	wasExtracted("outer")
+	wasExtracted("dir/inner")
+	wasExtracted("dir/.dotfile")
+}