| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package linebreaks |
| |
| import ( |
| "bytes"; |
| "fmt"; |
| "io"; |
| "os"; |
| "reflect"; |
| "strings"; |
| "testing"; |
| ) |
| |
| type writerTestEntry struct { |
| header *Header; |
| contents string; |
| } |
| |
| type writerTest struct { |
| file string; // filename of expected output |
| entries []*writerTestEntry; |
| } |
| |
| var writerTests = []*writerTest{ |
| &writerTest{ |
| file: "testdata/writer.tar", |
| entries: []*writerTestEntry{ |
| &writerTestEntry{ |
| header: &Header{ |
| Name: "small.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 5, |
| Mtime: 1246508266, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| }, |
| contents: "Kilts", |
| }, |
| &writerTestEntry{ |
| header: &Header{ |
| Name: "small2.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 11, |
| Mtime: 1245217492, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| }, |
| contents: "Google.com\n", |
| }, |
| }, |
| }, |
| // The truncated test file was produced using these commands: |
| // dd if=/dev/zero bs=1048576 count=16384 > /tmp/16gig.txt |
| // tar -b 1 -c -f- /tmp/16gig.txt | dd bs=512 count=8 > writer-big.tar |
| &writerTest{ |
| file: "testdata/writer-big.tar", |
| entries: []*writerTestEntry{ |
| &writerTestEntry{ |
| header: &Header{ |
| Name: "tmp/16gig.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 16 << 30, |
| Mtime: 1254699560, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| }, |
| // no contents |
| }, |
| }, |
| }, |
| } |
| |
| type untarTest struct { |
| file string; |
| headers []*Header; |
| } |
| |
| var untarTests = []*untarTest{ |
| &untarTest{ |
| file: "testdata/gnu.tar", |
| headers: []*Header{ |
| &Header{ |
| Name: "small.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 5, |
| Mtime: 1244428340, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| }, |
| &Header{ |
| Name: "small2.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 11, |
| Mtime: 1244436044, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| }, |
| }, |
| }, |
| &untarTest{ |
| file: "testdata/star.tar", |
| headers: []*Header{ |
| &Header{ |
| Name: "small.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 5, |
| Mtime: 1244592783, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| Atime: 1244592783, |
| Ctime: 1244592783, |
| }, |
| &Header{ |
| Name: "small2.txt", |
| Mode: 0640, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 11, |
| Mtime: 1244592783, |
| Typeflag: '0', |
| Uname: "dsymonds", |
| Gname: "eng", |
| Atime: 1244592783, |
| Ctime: 1244592783, |
| }, |
| }, |
| }, |
| &untarTest{ |
| file: "testdata/v7.tar", |
| headers: []*Header{ |
| &Header{ |
| Name: "small.txt", |
| Mode: 0444, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 5, |
| Mtime: 1244593104, |
| Typeflag: '\x00', |
| }, |
| &Header{ |
| Name: "small2.txt", |
| Mode: 0444, |
| Uid: 73025, |
| Gid: 5000, |
| Size: 11, |
| Mtime: 1244593104, |
| Typeflag: '\x00', |
| }, |
| }, |
| }, |
| } |
| |
| var facts = map[int] string { |
| 0: "1", |
| 1: "1", |
| 2: "2", |
| 10: "3628800", |
| 20: "2432902008176640000", |
| 100: "933262154439441526816992388562667004907159682643816214685929" + |
| "638952175999932299156089414639761565182862536979208272237582" + |
| "51185210916864000000000000000000000000", |
| } |
| |
| func usage() { |
| fmt.Fprintf(os.Stderr, |
| // TODO(gri): the 2nd string of this string list should not be indented |
| "usage: godoc package [name ...]\n" + |
| " godoc -http=:6060\n"); |
| flag.PrintDefaults(); |
| os.Exit(2); |
| } |
| |
| func TestReader(t *testing.T) { |
| testLoop: |
| for i, test := range untarTests { |
| f, err := os.Open(test.file, os.O_RDONLY, 0444); |
| if err != nil { |
| t.Errorf("test %d: Unexpected error: %v", i, err); |
| continue |
| } |
| tr := NewReader(f); |
| for j, header := range test.headers { |
| hdr, err := tr.Next(); |
| if err != nil || hdr == nil { |
| t.Errorf("test %d, entry %d: Didn't get entry: %v", i, j, err); |
| f.Close(); |
| continue testLoop |
| } |
| if !reflect.DeepEqual(hdr, header) { |
| t.Errorf("test %d, entry %d: Incorrect header:\nhave %+v\nwant %+v", |
| i, j, *hdr, *header); |
| } |
| } |
| hdr, err := tr.Next(); |
| if hdr != nil || err != nil { |
| t.Errorf("test %d: Unexpected entry or error: hdr=%v err=%v", i, err); |
| } |
| f.Close(); |
| } |
| } |