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// Copyright 2023 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 fs_test
import (
. "io/fs"
"testing"
"time"
)
// formatTest implements FileInfo to test FormatFileInfo,
// and implements DirEntry to test FormatDirEntry.
type formatTest struct {
name string
size int64
mode FileMode
modTime time.Time
isDir bool
}
func (fs *formatTest) Name() string {
return fs.name
}
func (fs *formatTest) Size() int64 {
return fs.size
}
func (fs *formatTest) Mode() FileMode {
return fs.mode
}
func (fs *formatTest) ModTime() time.Time {
return fs.modTime
}
func (fs *formatTest) IsDir() bool {
return fs.isDir
}
func (fs *formatTest) Sys() any {
return nil
}
func (fs *formatTest) Type() FileMode {
return fs.mode.Type()
}
func (fs *formatTest) Info() (FileInfo, error) {
return fs, nil
}
var formatTests = []struct {
input formatTest
wantFileInfo string
wantDirEntry string
}{
{
formatTest{
name: "hello.go",
size: 100,
mode: 0o644,
modTime: time.Date(1970, time.January, 1, 12, 0, 0, 0, time.UTC),
isDir: false,
},
"-rw-r--r-- 100 1970-01-01 12:00:00 hello.go",
"- hello.go",
},
{
formatTest{
name: "home/gopher",
size: 0,
mode: ModeDir | 0o755,
modTime: time.Date(1970, time.January, 1, 12, 0, 0, 0, time.UTC),
isDir: true,
},
"drwxr-xr-x 0 1970-01-01 12:00:00 home/gopher/",
"d home/gopher/",
},
{
formatTest{
name: "big",
size: 0x7fffffffffffffff,
mode: ModeIrregular | 0o644,
modTime: time.Date(1970, time.January, 1, 12, 0, 0, 0, time.UTC),
isDir: false,
},
"?rw-r--r-- 9223372036854775807 1970-01-01 12:00:00 big",
"? big",
},
{
formatTest{
name: "small",
size: -0x8000000000000000,
mode: ModeSocket | ModeSetuid | 0o644,
modTime: time.Date(1970, time.January, 1, 12, 0, 0, 0, time.UTC),
isDir: false,
},
"Surw-r--r-- -9223372036854775808 1970-01-01 12:00:00 small",
"S small",
},
}
func TestFormatFileInfo(t *testing.T) {
for i, test := range formatTests {
got := FormatFileInfo(&test.input)
if got != test.wantFileInfo {
t.Errorf("%d: FormatFileInfo(%#v) = %q, want %q", i, test.input, got, test.wantFileInfo)
}
}
}
func TestFormatDirEntry(t *testing.T) {
for i, test := range formatTests {
got := FormatDirEntry(&test.input)
if got != test.wantDirEntry {
t.Errorf("%d: FormatDirEntry(%#v) = %q, want %q", i, test.input, got, test.wantDirEntry)
}
}
}