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101 lines
2.7 KiB
101 lines
2.7 KiB
// Copyright 2017 clair authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package tarutil
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import (
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"bytes"
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"os"
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"path/filepath"
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"runtime"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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var testTarballs = []string{
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"utils_test.tar",
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"utils_test.tar.gz",
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"utils_test.tar.bz2",
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"utils_test.tar.xz",
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}
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func testfilepath(filename string) string {
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_, path, _, _ := runtime.Caller(0)
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testDataDir := "/testdata"
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return filepath.Join(filepath.Dir(path), testDataDir, filename)
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}
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func TestExtract(t *testing.T) {
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for _, filename := range testTarballs {
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f, err := os.Open(testfilepath(filename))
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assert.Nil(t, err)
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defer f.Close()
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data, err := ExtractFiles(f, []string{"test/"})
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assert.Nil(t, err)
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if c, n := data["test/test.txt"]; !n {
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assert.Fail(t, "test/test.txt should have been extracted")
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} else {
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assert.NotEqual(t, 0, len(c) > 0, "test/test.txt file is empty")
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}
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if _, n := data["test.txt"]; n {
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assert.Fail(t, "test.txt should not be extracted")
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}
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}
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}
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func TestExtractGlob(t *testing.T) {
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for _, filename := range testTarballs {
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f, err := os.Open(testfilepath(filename))
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assert.Nil(t, err)
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defer f.Close()
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data, err := ExtractFiles(f, []string{`.+\.txt`})
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assert.Nil(t, err)
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if c, n := data["test/test.txt"]; !n {
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assert.Fail(t, "test/test.txt should have been extracted")
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} else {
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assert.NotEqual(t, 0, len(c) > 0, "test/test.txt file is empty")
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}
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if _, n := data["test.txt"]; !n {
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assert.Fail(t, "test.txt should also have been extracted")
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}
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}
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}
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func TestExtractUncompressedData(t *testing.T) {
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for _, filename := range testTarballs {
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f, err := os.Open(testfilepath(filename))
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assert.Nil(t, err)
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defer f.Close()
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_, err = ExtractFiles(bytes.NewReader([]byte("that string does not represent a tar or tar-gzip file")), []string{})
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assert.Error(t, err, "Extracting uncompressed data should return an error")
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}
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}
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func TestMaxExtractableFileSize(t *testing.T) {
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for _, filename := range testTarballs {
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f, err := os.Open(testfilepath(filename))
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assert.Nil(t, err)
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defer f.Close()
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MaxExtractableFileSize = 50
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_, err = ExtractFiles(f, []string{"test"})
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assert.Equal(t, ErrExtractedFileTooBig, err)
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}
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}
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