mirror of
https://github.com/autc04/Retro68.git
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94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fs_test
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import (
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. "io/fs"
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"os"
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"testing"
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"testing/fstest"
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"time"
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)
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type readDirOnly struct{ ReadDirFS }
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func (readDirOnly) Open(name string) (File, error) { return nil, ErrNotExist }
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func TestReadDir(t *testing.T) {
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check := func(desc string, dirs []DirEntry, err error) {
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t.Helper()
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if err != nil || len(dirs) != 2 || dirs[0].Name() != "hello.txt" || dirs[1].Name() != "sub" {
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var names []string
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for _, d := range dirs {
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names = append(names, d.Name())
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}
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t.Errorf("ReadDir(%s) = %v, %v, want %v, nil", desc, names, err, []string{"hello.txt", "sub"})
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}
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}
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// Test that ReadDir uses the method when present.
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dirs, err := ReadDir(readDirOnly{testFsys}, ".")
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check("readDirOnly", dirs, err)
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// Test that ReadDir uses Open when the method is not present.
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dirs, err = ReadDir(openOnly{testFsys}, ".")
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check("openOnly", dirs, err)
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// Test that ReadDir on Sub of . works (sub_test checks non-trivial subs).
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sub, err := Sub(testFsys, ".")
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if err != nil {
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t.Fatal(err)
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}
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dirs, err = ReadDir(sub, ".")
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check("sub(.)", dirs, err)
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}
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func TestFileInfoToDirEntry(t *testing.T) {
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testFs := fstest.MapFS{
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"notadir.txt": {
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Data: []byte("hello, world"),
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Mode: 0,
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ModTime: time.Now(),
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Sys: &sysValue,
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},
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"adir": {
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Data: nil,
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Mode: os.ModeDir,
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ModTime: time.Now(),
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Sys: &sysValue,
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},
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}
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tests := []struct {
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path string
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wantMode FileMode
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wantDir bool
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}{
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{path: "notadir.txt", wantMode: 0, wantDir: false},
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{path: "adir", wantMode: os.ModeDir, wantDir: true},
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}
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for _, test := range tests {
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test := test
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t.Run(test.path, func(t *testing.T) {
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fi, err := Stat(testFs, test.path)
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if err != nil {
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t.Fatal(err)
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}
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dirEntry := FileInfoToDirEntry(fi)
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if g, w := dirEntry.Type(), test.wantMode; g != w {
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t.Errorf("FileMode mismatch: got=%v, want=%v", g, w)
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}
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if g, w := dirEntry.Name(), test.path; g != w {
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t.Errorf("Name mismatch: got=%v, want=%v", g, w)
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}
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if g, w := dirEntry.IsDir(), test.wantDir; g != w {
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t.Errorf("IsDir mismatch: got=%v, want=%v", g, w)
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}
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})
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}
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}
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