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gzip_test.go
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gzip_test.go
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// Copyright 2017-2018 the u-root 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 gzip
import (
"bytes"
"io"
"testing"
)
func Test_Compress(t *testing.T) {
type args struct {
r io.Reader
level int
blocksize int
processes int
}
tests := []struct {
name string
args args
wantW []byte
wantErr bool
}{
{
name: "Basic Compress",
args: args{
r: bytes.NewReader([]byte("Test Test Test")),
level: 9,
blocksize: 128,
processes: 1,
},
wantW: []byte("\x1f\x8b\b\x00\x00\tn\x88\x02\xff\nI-.Q\x80\x13\x00\x00\x00\x00\xff\xff\x01\x00\x00\xff\xffG?\xfc\xcc\x0e\x00\x00\x00"),
wantErr: false,
},
{
name: "Zeros",
args: args{
r: bytes.NewReader([]byte("000000000000000000000000000000000000000000000000000")),
level: 9,
blocksize: 128,
processes: 1,
},
wantW: []byte("\x1f\x8b\b\x00\x00\tn\x88\x02\xff2 \x1d\x00\x00\x00\x00\xff\xff\x01\x00\x00\xff\xffR6\xe3\xeb3\x00\x00\x00"),
wantErr: false,
},
{
name: "Nil",
args: args{
r: bytes.NewReader([]byte(nil)),
level: 1,
blocksize: 128,
processes: 1,
},
wantW: []byte("\x1f\x8b\b\x00\x00\tn\x88\x04\xff\x00\x00\x00\xff\xff\x01\x00\x00\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00"),
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := bytes.Buffer{}
if err := Compress(tt.args.r, &w, tt.args.level, tt.args.blocksize, tt.args.processes); (err != nil) != tt.wantErr {
t.Errorf("Compress() error = %v, wantErr %v", err, tt.wantErr)
return
}
gotW := w.Bytes()
if !bytes.Equal(gotW, tt.wantW) {
t.Errorf("Compress() = %q, want %q", gotW, tt.wantW)
}
})
}
}