forked from mirrors/tar-split
tar/asm: additional GNU LongLink testcase
Adding a minimal test case for GNU @LongLink. Tested that it fails on v0.9.5, but now passes on v0.9.6 and master.
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44d93178df
commit
c76e42010e
2 changed files with 63 additions and 124 deletions
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@ -113,137 +113,76 @@ func TestTarStreamMangledGetterPutter(t *testing.T) {
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}
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func TestTarStream(t *testing.T) {
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var (
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expectedSHA1Sum = "1eb237ff69bca6e22789ecb05b45d35ca307adbd"
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expectedSize int64 = 10240
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)
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fh, err := os.Open("./testdata/t.tar.gz")
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if err != nil {
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t.Fatal(err)
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}
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defer fh.Close()
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gzRdr, err := gzip.NewReader(fh)
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if err != nil {
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t.Fatal(err)
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}
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defer gzRdr.Close()
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// Setup where we'll store the metadata
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w := bytes.NewBuffer([]byte{})
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sp := storage.NewJSONPacker(w)
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fgp := storage.NewBufferFileGetPutter()
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// wrap the disassembly stream
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tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
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if err != nil {
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t.Fatal(err)
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testCases := []struct {
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path string
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expectedSHA1Sum string
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expectedSize int64
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}{
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{"./testdata/t.tar.gz", "1eb237ff69bca6e22789ecb05b45d35ca307adbd", 10240},
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{"./testdata/longlink.tar.gz", "d9f6babe107b7247953dff6b5b5ae31a3a880add", 20480},
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{"./testdata/fatlonglink.tar.gz", "8537f03f89aeef537382f8b0bb065d93e03b0be8", 26234880},
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}
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// get a sum of the stream after it has passed through to ensure it's the same.
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h0 := sha1.New()
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tRdr0 := io.TeeReader(tarStream, h0)
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for _, tc := range testCases {
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fh, err := os.Open(tc.path)
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if err != nil {
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t.Fatal(err)
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}
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defer fh.Close()
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gzRdr, err := gzip.NewReader(fh)
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if err != nil {
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t.Fatal(err)
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}
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defer gzRdr.Close()
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// read it all to the bit bucket
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i, err := io.Copy(ioutil.Discard, tRdr0)
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if err != nil {
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t.Fatal(err)
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}
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// Setup where we'll store the metadata
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w := bytes.NewBuffer([]byte{})
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sp := storage.NewJSONPacker(w)
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fgp := storage.NewBufferFileGetPutter()
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if i != expectedSize {
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t.Errorf("size of tar: expected %d; got %d", expectedSize, i)
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}
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if fmt.Sprintf("%x", h0.Sum(nil)) != expectedSHA1Sum {
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t.Fatalf("checksum of tar: expected %s; got %x", expectedSHA1Sum, h0.Sum(nil))
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}
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// wrap the disassembly stream
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tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("%s", w.String()) // if we fail, then show the packed info
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// get a sum of the stream after it has passed through to ensure it's the same.
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h0 := sha1.New()
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tRdr0 := io.TeeReader(tarStream, h0)
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// If we've made it this far, then we'll turn it around and create a tar
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// stream from the packed metadata and buffered file contents.
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r := bytes.NewBuffer(w.Bytes())
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sup := storage.NewJSONUnpacker(r)
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// and reuse the fgp that we Put the payloads to.
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// read it all to the bit bucket
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i, err := io.Copy(ioutil.Discard, tRdr0)
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if err != nil {
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t.Fatal(err)
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}
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rc := NewOutputTarStream(fgp, sup)
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h1 := sha1.New()
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i, err = io.Copy(h1, rc)
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if err != nil {
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t.Fatal(err)
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}
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if i != tc.expectedSize {
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t.Errorf("size of tar: expected %d; got %d", tc.expectedSize, i)
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}
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if fmt.Sprintf("%x", h0.Sum(nil)) != tc.expectedSHA1Sum {
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t.Fatalf("checksum of tar: expected %s; got %x", tc.expectedSHA1Sum, h0.Sum(nil))
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}
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if i != expectedSize {
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t.Errorf("size of output tar: expected %d; got %d", expectedSize, i)
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}
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if fmt.Sprintf("%x", h1.Sum(nil)) != expectedSHA1Sum {
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t.Fatalf("checksum of output tar: expected %s; got %x", expectedSHA1Sum, h1.Sum(nil))
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}
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}
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func TestTarGNUTar(t *testing.T) {
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var (
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expectedSHA1Sum = "d9f6babe107b7247953dff6b5b5ae31a3a880add"
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expectedSize int64 = 20480
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)
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fh, err := os.Open("./testdata/longlink.tar.gz")
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if err != nil {
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t.Fatal(err)
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}
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defer fh.Close()
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gzRdr, err := gzip.NewReader(fh)
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if err != nil {
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t.Fatal(err)
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}
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defer gzRdr.Close()
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// Setup where we'll store the metadata
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w := bytes.NewBuffer([]byte{})
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sp := storage.NewJSONPacker(w)
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fgp := storage.NewBufferFileGetPutter()
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// wrap the disassembly stream
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tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
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if err != nil {
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t.Fatal(err)
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}
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// get a sum of the stream after it has passed through to ensure it's the same.
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h0 := sha1.New()
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tRdr0 := io.TeeReader(tarStream, h0)
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// read it all to the bit bucket
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i, err := io.Copy(ioutil.Discard, tRdr0)
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if err != nil {
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t.Fatal(err)
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}
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if i != expectedSize {
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t.Errorf("size of tar: expected %d; got %d", expectedSize, i)
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}
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if fmt.Sprintf("%x", h0.Sum(nil)) != expectedSHA1Sum {
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t.Fatalf("checksum of tar: expected %s; got %x", expectedSHA1Sum, h0.Sum(nil))
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}
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t.Logf("%s", w.String()) // if we fail, then show the packed info
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// If we've made it this far, then we'll turn it around and create a tar
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// stream from the packed metadata and buffered file contents.
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r := bytes.NewBuffer(w.Bytes())
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sup := storage.NewJSONUnpacker(r)
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// and reuse the fgp that we Put the payloads to.
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rc := NewOutputTarStream(fgp, sup)
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h1 := sha1.New()
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i, err = io.Copy(h1, rc)
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if err != nil {
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t.Fatal(err)
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}
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if i != expectedSize {
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t.Errorf("size of output tar: expected %d; got %d", expectedSize, i)
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}
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if fmt.Sprintf("%x", h1.Sum(nil)) != expectedSHA1Sum {
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t.Fatalf("checksum of output tar: expected %s; got %x", expectedSHA1Sum, h1.Sum(nil))
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t.Logf("%s", w.String()) // if we fail, then show the packed info
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// If we've made it this far, then we'll turn it around and create a tar
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// stream from the packed metadata and buffered file contents.
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r := bytes.NewBuffer(w.Bytes())
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sup := storage.NewJSONUnpacker(r)
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// and reuse the fgp that we Put the payloads to.
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rc := NewOutputTarStream(fgp, sup)
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h1 := sha1.New()
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i, err = io.Copy(h1, rc)
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if err != nil {
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t.Fatal(err)
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}
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if i != tc.expectedSize {
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t.Errorf("size of output tar: expected %d; got %d", tc.expectedSize, i)
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}
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if fmt.Sprintf("%x", h1.Sum(nil)) != tc.expectedSHA1Sum {
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t.Fatalf("checksum of output tar: expected %s; got %x", tc.expectedSHA1Sum, h1.Sum(nil))
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}
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}
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}
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BIN
tar/asm/testdata/fatlonglink.tar.gz
vendored
Normal file
BIN
tar/asm/testdata/fatlonglink.tar.gz
vendored
Normal file
Binary file not shown.
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