prysm-pulse/shared/fileutil/fileutil_test.go
Shay Zluf acddb6035a
Fix rename issue (#7205)
* Fix rename issue

* nishant feedback

* add test

* Update shared/fileutil/fileutil.go

Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>

* preston feedback

Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-09-11 00:56:58 +03:00

82 lines
2.3 KiB
Go

// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package fileutil_test
import (
"bufio"
"bytes"
"io/ioutil"
"os"
"os/user"
"testing"
"github.com/prysmaticlabs/prysm/shared/fileutil"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
func TestPathExpansion(t *testing.T) {
user, err := user.Current()
require.NoError(t, err)
tests := map[string]string{
"/home/someuser/tmp": "/home/someuser/tmp",
"~/tmp": user.HomeDir + "/tmp",
"$DDDXXX/a/b": "/tmp/a/b",
"/a/b/": "/a/b",
}
require.NoError(t, os.Setenv("DDDXXX", "/tmp"))
for test, expected := range tests {
expanded, err := fileutil.ExpandPath(test)
require.NoError(t, err)
assert.Equal(t, expected, expanded)
}
}
func TestCopyFile(t *testing.T) {
fName := testutil.TempDir() + "testfile"
err := ioutil.WriteFile(fName, []byte{1, 2, 3}, params.BeaconIoConfig().ReadWritePermissions)
require.NoError(t, err)
defer func() {
assert.NoError(t, os.Remove(fName))
}()
err = fileutil.CopyFile(fName, fName+"copy")
assert.NoError(t, err)
defer func() {
assert.NoError(t, os.Remove(fName+"copy"))
}()
assert.Equal(t, true, deepCompare(t, fName, fName+"copy"))
}
func deepCompare(t *testing.T, file1, file2 string) bool {
sf, err := os.Open(file1)
assert.NoError(t, err)
df, err := os.Open(file2)
assert.NoError(t, err)
sscan := bufio.NewScanner(sf)
dscan := bufio.NewScanner(df)
for sscan.Scan() && dscan.Scan() {
if !bytes.Equal(sscan.Bytes(), dscan.Bytes()) {
return false
}
}
return true
}