示例#1
0
func TestCopy(t *testing.T) {
	srcb, dstb := new(bytes.Buffer), new(bytes.Buffer)
	for tname, tt := range copyTests() {
		// Reset buffers between tests
		srcb.Reset()
		dstb.Reset()

		// Last file name (needed for gzip.NewReader)
		var fname string

		// Seed the src
		srcw := writer(t, tname, srcb, tt.srcType)
		for _, f := range tt.in {
			srcw.NextFile(f.name, iotest.FileInfo(t, f.contents))
			mustCopy(t, tname, srcw, bytes.NewReader(f.contents))
			fname = f.name
		}
		mustClose(t, tname, srcw)

		// Perform the copy
		srcr := reader(t, tname, srcb, tt.srcType, fname)
		dstw := writer(t, tname, dstb, tt.dstType)
		if err := archive.Copy(dstw, srcr); err != nil {
			t.Fatalf("%s: %v", tname, err)
		}
		srcr.Close() // Read-only
		mustClose(t, tname, dstw)

		// Read back dst to confirm our expectations
		dstr := reader(t, tname, dstb, tt.dstType, fname)
		for _, want := range tt.in {
			buf := new(bytes.Buffer)
			name, err := dstr.NextFile()
			if err != nil {
				t.Fatalf("%s: %v", tname, err)
			}
			mustCopy(t, tname, buf, dstr)
			got := file{
				name:     name,
				contents: buf.Bytes(),
			}

			switch {
			case got.name != want.name:
				t.Errorf("%s: got file %q but want file %q",
					tname, got.name, want.name)

			case !bytes.Equal(got.contents, want.contents):
				t.Errorf("%s: mismatched contents in %q: got %q but want %q",
					tname, got.name, got.contents, want.contents)
			}
		}
		dstr.Close()
	}
}
示例#2
0
文件: zip_test.go 项目: cihub/seelog
// writeFiles iterates through the files we want and writes them as a zipped
// file.
func writeFiles(t *testing.T, f *os.File, tname string, want map[string][]byte) {
	w := zip.NewWriter(f)
	defer w.Close()

	// Write zipped files
	for fname, fbytes := range want {
		fi := iotest.FileInfo(t, fbytes)

		// Write the file
		err := w.NextFile(fname, fi)
		switch err {
		case io.EOF:
			break
		default:
			t.Fatalf("%s: write header for next file: %v", tname, err)
		case nil: // Proceed below
		}
		if _, err := io.Copy(w, bytes.NewReader(fbytes)); err != nil {
			t.Fatalf("%s: copy to writer: %v", tname, err)
		}
	}
}