mirror of
https://github.com/gravitational/teleport.git
synced 2026-11-02 06:08:23 +08:00
124 lines
3.1 KiB
Go
124 lines
3.1 KiB
Go
/*
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Copyright 2022 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"archive/tar"
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"compress/gzip"
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"io"
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"io/fs"
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"testing"
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"time"
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"github.com/gravitational/trace"
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"github.com/stretchr/testify/require"
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"github.com/gravitational/teleport"
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)
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type mockFileReader struct {
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files map[string]*InMemoryFile
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}
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func (m mockFileReader) ReadFile(name string) ([]byte, error) {
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f, found := m.files[name]
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if !found {
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return nil, fs.ErrNotExist
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}
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return f.Content(), nil
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}
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func (m mockFileReader) Open(name string) (fs.File, error) {
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return nil, trace.NotImplemented("Open is not implemented")
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}
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func (m mockFileReader) Stat(name string) (fs.FileInfo, error) {
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f, found := m.files[name]
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if !found {
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return nil, fs.ErrNotExist
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}
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return f, nil
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}
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// CompressAsTarGzArchive creates a Tar Gzip archive in memory, reading the files using the provided file reader
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func TestCompressAsTarGzArchive(t *testing.T) {
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tests := []struct {
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name string
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fileNames []string
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fsContents map[string]*InMemoryFile
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assert require.ErrorAssertionFunc
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}{
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{
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name: "File Not Exists bubbles up",
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fileNames: []string{"not", "found"},
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fsContents: map[string]*InMemoryFile{},
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assert: func(t require.TestingT, err error, i ...interface{}) {
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require.Error(t, err)
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require.ErrorIs(t, err, fs.ErrNotExist)
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},
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},
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{
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name: "Archive is created",
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fileNames: []string{"file1", "file2"},
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fsContents: map[string]*InMemoryFile{
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"file1": NewInMemoryFile("file1", teleport.FileMaskOwnerOnly, time.Now(), []byte("contentsfile1")),
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"file2": NewInMemoryFile("file2", teleport.FileMaskOwnerOnly, time.Now(), []byte("contentsfile2")),
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},
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assert: require.NoError,
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},
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}
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for _, tt := range tests {
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fileReader := mockFileReader{
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files: tt.fsContents,
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}
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bs, err := CompressTarGzArchive(tt.fileNames, fileReader)
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tt.assert(t, err)
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if err != nil {
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continue
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}
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gzipReader, err := gzip.NewReader(bs)
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require.NoError(t, err)
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tarContentFileNames := []string{}
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tarReader := tar.NewReader(gzipReader)
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for {
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header, err := tarReader.Next()
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if err == io.EOF {
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break
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}
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require.NoError(t, err)
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require.Equal(t, byte(tar.TypeReg), header.Typeflag)
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tarContentFileNames = append(tarContentFileNames, header.Name)
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require.Contains(t, tt.fsContents, header.Name)
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gotBytes, err := io.ReadAll(tarReader)
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require.NoError(t, err)
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t.Log(string(gotBytes))
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require.Equal(t, tt.fsContents[header.Name].content, gotBytes)
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require.Equal(t, tt.fsContents[header.Name].mode, fs.FileMode(header.Mode))
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}
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require.ElementsMatch(t, tarContentFileNames, tt.fileNames)
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}
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}
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