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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // SPDX-FileCopyrightText: 2024 caixw | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
|
|
||
| package validator | ||
|
|
||
| import ( | ||
| "errors" | ||
| "io/fs" | ||
| "os" | ||
| ) | ||
|
|
||
| // FileExists path 是否存在 | ||
| func FileExists(path string) bool { | ||
| _, err := os.Stat(path) | ||
| return err == nil || !errors.Is(err, fs.ErrNotExist) | ||
| } | ||
|
|
||
| // IsDir path 是否为一个目录 | ||
| func IsDir(path string) bool { | ||
| s, err := os.Stat(path) | ||
| return err == nil && s.IsDir() | ||
| } | ||
|
|
||
| // FileExistsFS 判断文件是否存在于 fsys | ||
| func FileExistsFS(fsys fs.FS) func(string) bool { | ||
| return func(path string) bool { | ||
| _, err := fs.Stat(fsys, path) | ||
| return err == nil || !errors.Is(err, fs.ErrNotExist) | ||
| } | ||
| } | ||
|
|
||
| // IsDirFS 判断 fsys 中的 path 是否为目录 | ||
| func IsDirFS(fsys fs.FS) func(string) bool { | ||
| return func(path string) bool { | ||
| s, err := os.Stat(path) | ||
| return err == nil && s.IsDir() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // SPDX-FileCopyrightText: 2024 caixw | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
|
|
||
| package validator | ||
|
|
||
| import ( | ||
| "os" | ||
| "testing" | ||
|
|
||
| "github.com/issue9/assert/v4" | ||
| ) | ||
|
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| func TestFileExists(t *testing.T) { | ||
| a := assert.New(t, false) | ||
|
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| a.True(FileExists("./file.go")). | ||
| False(FileExists("./not-exists.go")) | ||
|
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| f := FileExistsFS(os.DirFS("./")) | ||
| a.True(f("file.go")). | ||
| False(f("not-exists.go")) | ||
| } | ||
|
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| func TestIsDir(t *testing.T) { | ||
| a := assert.New(t, false) | ||
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| a.True(IsDir(".")). | ||
| False(IsDir("./file.go")). | ||
| False(IsDir("not-exists.go")) | ||
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| f := IsDirFS(os.DirFS("./")) | ||
| a.True(f(".")). | ||
| False(f("file.go")). | ||
| False(f("not-exists.go")) | ||
| } |