mirror of
https://github.com/restic/restic.git
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113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"sort"
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"strings"
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"testing"
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rtest "github.com/restic/restic/internal/test"
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)
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func TestCollectTargets(t *testing.T) {
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dir := rtest.TempDir(t)
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fooSpace := "foo "
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barStar := "bar*" // Must sort before the others, below.
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if runtime.GOOS == "windows" { // Doesn't allow "*" or trailing space.
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fooSpace = "foo"
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barStar = "bar"
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}
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var expect []string
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for _, filename := range []string{
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barStar, "baz", "cmdline arg", fooSpace,
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"fromfile", "fromfile-raw", "fromfile-verbatim", "quux",
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} {
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// All mentioned files must exist for collectTargets.
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f, err := os.Create(filepath.Join(dir, filename))
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rtest.OK(t, err)
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rtest.OK(t, f.Close())
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expect = append(expect, f.Name())
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}
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f1, err := os.Create(filepath.Join(dir, "fromfile"))
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rtest.OK(t, err)
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// Empty lines should be ignored. A line starting with '#' is a comment.
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fmt.Fprintf(f1, "\n%s*\n # here's a comment\n", f1.Name())
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rtest.OK(t, f1.Close())
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f2, err := os.Create(filepath.Join(dir, "fromfile-verbatim"))
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rtest.OK(t, err)
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for _, filename := range []string{fooSpace, barStar} {
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// Empty lines should be ignored. CR+LF is allowed.
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fmt.Fprintf(f2, "%s\r\n\n", filepath.Join(dir, filename))
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}
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rtest.OK(t, f2.Close())
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f3, err := os.Create(filepath.Join(dir, "fromfile-raw"))
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rtest.OK(t, err)
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for _, filename := range []string{"baz", "quux"} {
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fmt.Fprintf(f3, "%s\x00", filepath.Join(dir, filename))
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}
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rtest.OK(t, err)
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rtest.OK(t, f3.Close())
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opts := BackupOptions{
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FilesFrom: []string{f1.Name()},
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FilesFromVerbatim: []string{f2.Name()},
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FilesFromRaw: []string{f3.Name()},
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}
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targets, err := collectTargets(opts, []string{filepath.Join(dir, "cmdline arg")})
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rtest.OK(t, err)
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sort.Strings(targets)
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rtest.Equals(t, expect, targets)
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}
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func TestReadFilenamesRaw(t *testing.T) {
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// These should all be returned exactly as-is.
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expected := []string{
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"\xef\xbb\xbf/utf-8-bom",
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"/absolute",
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"../.././relative",
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"\t\t leading and trailing space \t\t",
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"newline\nin filename",
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"not UTF-8: \x80\xff/simple",
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` / *[]* \ `,
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}
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var buf bytes.Buffer
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for _, name := range expected {
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buf.WriteString(name)
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buf.WriteByte(0)
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}
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got, err := readFilenamesRaw(&buf)
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rtest.OK(t, err)
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rtest.Equals(t, expected, got)
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// Empty input is ok.
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got, err = readFilenamesRaw(strings.NewReader(""))
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rtest.OK(t, err)
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rtest.Equals(t, 0, len(got))
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// An empty filename is an error.
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_, err = readFilenamesRaw(strings.NewReader("foo\x00\x00"))
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rtest.Assert(t, err != nil, "no error for zero byte")
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rtest.Assert(t, strings.Contains(err.Error(), "empty filename"),
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"wrong error message: %v", err.Error())
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// No trailing NUL byte is an error, because it likely means we're
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// reading a line-oriented text file (someone forgot -print0).
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_, err = readFilenamesRaw(strings.NewReader("simple.txt"))
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rtest.Assert(t, err != nil, "no error for zero byte")
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rtest.Assert(t, strings.Contains(err.Error(), "zero byte"),
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"wrong error message: %v", err.Error())
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}
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