| // Copyright 2011 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 zip |
| |
| import ( |
| "bytes" |
| "io/ioutil" |
| "rand" |
| "testing" |
| ) |
| |
| // TODO(adg): a more sophisticated test suite |
| |
| const testString = "Rabbits, guinea pigs, gophers, marsupial rats, and quolls." |
| |
| func TestWriter(t *testing.T) { |
| largeData := make([]byte, 1<<17) |
| for i := range largeData { |
| largeData[i] = byte(rand.Int()) |
| } |
| |
| // write a zip file |
| buf := new(bytes.Buffer) |
| w := NewWriter(buf) |
| testCreate(t, w, "foo", []byte(testString), Store) |
| testCreate(t, w, "bar", largeData, Deflate) |
| if err := w.Close(); err != nil { |
| t.Fatal(err) |
| } |
| |
| // read it back |
| r, err := NewReader(sliceReaderAt(buf.Bytes()), int64(buf.Len())) |
| if err != nil { |
| t.Fatal(err) |
| } |
| testReadFile(t, r.File[0], []byte(testString)) |
| testReadFile(t, r.File[1], largeData) |
| } |
| |
| func testCreate(t *testing.T, w *Writer, name string, data []byte, method uint16) { |
| header := &FileHeader{ |
| Name: name, |
| Method: method, |
| } |
| f, err := w.CreateHeader(header) |
| if err != nil { |
| t.Fatal(err) |
| } |
| _, err = f.Write(data) |
| if err != nil { |
| t.Fatal(err) |
| } |
| } |
| |
| func testReadFile(t *testing.T, f *File, data []byte) { |
| rc, err := f.Open() |
| if err != nil { |
| t.Fatal("opening:", err) |
| } |
| b, err := ioutil.ReadAll(rc) |
| if err != nil { |
| t.Fatal("reading:", err) |
| } |
| err = rc.Close() |
| if err != nil { |
| t.Fatal("closing:", err) |
| } |
| if !bytes.Equal(b, data) { |
| t.Errorf("File contents %q, want %q", b, data) |
| } |
| } |