func TestTarStreamOld(t *testing.T) { fgp := storage.NewBufferFileGetPutter() // first lets prep a GetPutter and Packer for i := range entries { if entries[i].Entry.Type == storage.FileType { j, csum, err := fgp.Put(entries[i].Entry.Name, bytes.NewBuffer(entries[i].Body)) if err != nil { t.Error(err) } if j != entries[i].Entry.Size { t.Errorf("size %q: expected %d; got %d", entries[i].Entry.Name, entries[i].Entry.Size, j) } if !bytes.Equal(csum, entries[i].Entry.Payload) { t.Errorf("checksum %q: expected %v; got %v", entries[i].Entry.Name, entries[i].Entry.Payload, csum) } } } // next we'll use these to produce a tar stream. _ = NewOutputTarStream(fgp, nil) // TODO finish this }
func TestTarStreamMangledGetterPutter(t *testing.T) { fgp := storage.NewBufferFileGetPutter() // first lets prep a GetPutter and Packer for i := range entries { if entries[i].Entry.Type == storage.FileType { j, csum, err := fgp.Put(entries[i].Entry.Name, bytes.NewBuffer(entries[i].Body)) if err != nil { t.Error(err) } if j != entries[i].Entry.Size { t.Errorf("size %q: expected %d; got %d", entries[i].Entry.Name, entries[i].Entry.Size, j) } if !bytes.Equal(csum, entries[i].Entry.Payload) { t.Errorf("checksum %q: expected %v; got %v", entries[i].Entry.Name, entries[i].Entry.Payload, csum) } } } for _, e := range entriesMangled { if e.Entry.Type == storage.FileType { rdr, err := fgp.Get(e.Entry.Name) if err != nil { t.Error(err) } c := crc64.New(storage.CRCTable) i, err := io.Copy(c, rdr) if err != nil { t.Fatal(err) } rdr.Close() csum := c.Sum(nil) if bytes.Equal(csum, e.Entry.Payload) { t.Errorf("wrote %d bytes. checksum for %q should not have matched! %v", i, e.Entry.Name, csum) } } } }
func BenchmarkAsm(b *testing.B) { for i := 0; i < b.N; i++ { for _, tc := range testCases { func() { fh, err := os.Open(tc.path) if err != nil { b.Fatal(err) } defer fh.Close() gzRdr, err := gzip.NewReader(fh) if err != nil { b.Fatal(err) } defer gzRdr.Close() // Setup where we'll store the metadata w := bytes.NewBuffer([]byte{}) sp := storage.NewJSONPacker(w) fgp := storage.NewBufferFileGetPutter() // wrap the disassembly stream tarStream, err := NewInputTarStream(gzRdr, sp, fgp) if err != nil { b.Fatal(err) } // read it all to the bit bucket i1, err := io.Copy(ioutil.Discard, tarStream) if err != nil { b.Fatal(err) } r := bytes.NewBuffer(w.Bytes()) sup := storage.NewJSONUnpacker(r) // and reuse the fgp that we Put the payloads to. rc := NewOutputTarStream(fgp, sup) i2, err := io.Copy(ioutil.Discard, rc) if err != nil { b.Fatal(err) } if i1 != i2 { b.Errorf("%s: input(%d) and ouput(%d) byte count didn't match", tc.path, i1, i2) } }() } } }
func TestTarStream(t *testing.T) { var ( expectedSum = "1eb237ff69bca6e22789ecb05b45d35ca307adbd" expectedSize int64 = 10240 ) fh, err := os.Open("./testdata/t.tar.gz") if err != nil { t.Fatal(err) } defer fh.Close() gzRdr, err := gzip.NewReader(fh) if err != nil { t.Fatal(err) } defer gzRdr.Close() // Setup where we'll store the metadata w := bytes.NewBuffer([]byte{}) sp := storage.NewJSONPacker(w) fgp := storage.NewBufferFileGetPutter() // wrap the disassembly stream tarStream, err := NewInputTarStream(gzRdr, sp, fgp) if err != nil { t.Fatal(err) } // get a sum of the stream after it has passed through to ensure it's the same. h0 := sha1.New() tRdr0 := io.TeeReader(tarStream, h0) // read it all to the bit bucket i, err := io.Copy(ioutil.Discard, tRdr0) if err != nil { t.Fatal(err) } if i != expectedSize { t.Errorf("size of tar: expected %d; got %d", expectedSize, i) } if fmt.Sprintf("%x", h0.Sum(nil)) != expectedSum { t.Fatalf("checksum of tar: expected %s; got %x", expectedSum, h0.Sum(nil)) } t.Logf("%s", w.String()) // if we fail, then show the packed info // If we've made it this far, then we'll turn it around and create a tar // stream from the packed metadata and buffered file contents. r := bytes.NewBuffer(w.Bytes()) sup := storage.NewJSONUnpacker(r) // and reuse the fgp that we Put the payloads to. rc := NewOutputTarStream(fgp, sup) h1 := sha1.New() i, err = io.Copy(h1, rc) if err != nil { t.Fatal(err) } if i != expectedSize { t.Errorf("size of output tar: expected %d; got %d", expectedSize, i) } if fmt.Sprintf("%x", h1.Sum(nil)) != expectedSum { t.Fatalf("checksum of output tar: expected %s; got %x", expectedSum, h1.Sum(nil)) } }
func TestTarStream(t *testing.T) { testCases := []struct { path string expectedSHA1Sum string expectedSize int64 }{ {"./testdata/t.tar.gz", "1eb237ff69bca6e22789ecb05b45d35ca307adbd", 10240}, {"./testdata/longlink.tar.gz", "d9f6babe107b7247953dff6b5b5ae31a3a880add", 20480}, {"./testdata/fatlonglink.tar.gz", "8537f03f89aeef537382f8b0bb065d93e03b0be8", 26234880}, {"./testdata/iso-8859.tar.gz", "ddafa51cb03c74ec117ab366ee2240d13bba1ec3", 10240}, } for _, tc := range testCases { fh, err := os.Open(tc.path) if err != nil { t.Fatal(err) } defer fh.Close() gzRdr, err := gzip.NewReader(fh) if err != nil { t.Fatal(err) } defer gzRdr.Close() // Setup where we'll store the metadata w := bytes.NewBuffer([]byte{}) sp := storage.NewJSONPacker(w) fgp := storage.NewBufferFileGetPutter() // wrap the disassembly stream tarStream, err := NewInputTarStream(gzRdr, sp, fgp) if err != nil { t.Fatal(err) } // get a sum of the stream after it has passed through to ensure it's the same. h0 := sha1.New() tRdr0 := io.TeeReader(tarStream, h0) // read it all to the bit bucket i, err := io.Copy(ioutil.Discard, tRdr0) if err != nil { t.Fatal(err) } if i != tc.expectedSize { t.Errorf("size of tar: expected %d; got %d", tc.expectedSize, i) } if fmt.Sprintf("%x", h0.Sum(nil)) != tc.expectedSHA1Sum { t.Fatalf("checksum of tar: expected %s; got %x", tc.expectedSHA1Sum, h0.Sum(nil)) } //t.Logf("%s", w.String()) // if we fail, then show the packed info // If we've made it this far, then we'll turn it around and create a tar // stream from the packed metadata and buffered file contents. r := bytes.NewBuffer(w.Bytes()) sup := storage.NewJSONUnpacker(r) // and reuse the fgp that we Put the payloads to. rc := NewOutputTarStream(fgp, sup) h1 := sha1.New() i, err = io.Copy(h1, rc) if err != nil { t.Fatal(err) } if i != tc.expectedSize { t.Errorf("size of output tar: expected %d; got %d", tc.expectedSize, i) } if fmt.Sprintf("%x", h1.Sum(nil)) != tc.expectedSHA1Sum { t.Fatalf("checksum of output tar: expected %s; got %x", tc.expectedSHA1Sum, h1.Sum(nil)) } } }
func TestTarStream(t *testing.T) { for _, tc := range testCases { fh, err := os.Open(tc.path) if err != nil { t.Fatal(err) } defer fh.Close() gzRdr, err := gzip.NewReader(fh) if err != nil { t.Fatal(err) } defer gzRdr.Close() // Setup where we'll store the metadata w := bytes.NewBuffer([]byte{}) sp := storage.NewJSONPacker(w) fgp := storage.NewBufferFileGetPutter() // wrap the disassembly stream tarStream, err := NewInputTarStream(gzRdr, sp, fgp) if err != nil { t.Fatal(err) } // get a sum of the stream after it has passed through to ensure it's the same. h0 := sha1.New() i, err := io.Copy(h0, tarStream) if err != nil { t.Fatal(err) } if i != tc.expectedSize { t.Errorf("size of tar: expected %d; got %d", tc.expectedSize, i) } if fmt.Sprintf("%x", h0.Sum(nil)) != tc.expectedSHA1Sum { t.Fatalf("checksum of tar: expected %s; got %x", tc.expectedSHA1Sum, h0.Sum(nil)) } //t.Logf("%s", w.String()) // if we fail, then show the packed info // If we've made it this far, then we'll turn it around and create a tar // stream from the packed metadata and buffered file contents. r := bytes.NewBuffer(w.Bytes()) sup := storage.NewJSONUnpacker(r) // and reuse the fgp that we Put the payloads to. rc := NewOutputTarStream(fgp, sup) h1 := sha1.New() i, err = io.Copy(h1, rc) if err != nil { t.Fatal(err) } if i != tc.expectedSize { t.Errorf("size of output tar: expected %d; got %d", tc.expectedSize, i) } if fmt.Sprintf("%x", h1.Sum(nil)) != tc.expectedSHA1Sum { t.Fatalf("checksum of output tar: expected %s; got %x", tc.expectedSHA1Sum, h1.Sum(nil)) } } }