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reader_test.go
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reader_test.go
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package ar
import (
"bytes"
"io"
"os"
"testing"
"time"
)
func TestReadHeader(t *testing.T) {
f, err := os.Open("./fixtures/hello.a")
defer f.Close()
if err != nil {
t.Errorf(err.Error())
}
reader := NewReader(f)
header, err := reader.Next()
if err != nil {
t.Errorf(err.Error())
}
expectedName := "hello.txt"
if header.Name != expectedName {
t.Errorf("Header name should be %s but is %s", expectedName, header.Name)
}
expectedModTime := time.Unix(1361157466, 0)
if header.ModTime != expectedModTime {
t.Errorf("ModTime should be %s but is %s", expectedModTime, header.ModTime)
}
expectedUid := 501
if header.Uid != expectedUid {
t.Errorf("Uid should be %s but is %s", expectedUid, header.Uid)
}
expectedGid := 20
if header.Gid != expectedGid {
t.Errorf("Gid should be %s but is %s", expectedGid, header.Gid)
}
expectedMode := int64(0644)
if header.Mode != expectedMode {
t.Errorf("Mode should be %s but is %s", expectedMode, header.Mode)
}
}
func TestReadBody(t *testing.T) {
f, err := os.Open("./fixtures/hello.a")
defer f.Close()
if err != nil {
t.Errorf(err.Error())
}
reader := NewReader(f)
_, err = reader.Next()
if err != nil && err != io.EOF {
t.Errorf(err.Error())
}
var buf bytes.Buffer
io.Copy(&buf, reader)
expected := []byte("Hello world!\n")
actual := buf.Bytes()
if !bytes.Equal(actual, expected) {
t.Errorf("Data value should be %s but is %s", expected, actual)
}
}
func TestReadMulti(t *testing.T) {
f, err := os.Open("./fixtures/multi_archive.a")
defer f.Close()
if err != nil {
t.Errorf(err.Error())
}
reader := NewReader(f)
var buf bytes.Buffer
for {
_, err := reader.Next()
if err == io.EOF {
break
}
if err != nil {
t.Errorf(err.Error())
}
io.Copy(&buf, reader)
}
expected := []byte("Hello world!\nI love lamp.\n")
actual := buf.Bytes()
if !bytes.Equal(expected, actual) {
t.Errorf("Concatted byte buffer should be %s but is %s", expected, actual)
}
}