Source file src/github.com/tetratelabs/wazero/internal/testing/fs/fs.go

Documentation: github.com/tetratelabs/wazero/internal/testing/fs

     1  package testfs
     2  
     3  import "io/fs"
     4  
     5  // compile-time check to ensure File implements fs.File
     6  var _ fs.File = &File{}
     7  
     8  // compile-time check to ensure FS implements fs.FS
     9  var _ fs.FS = &FS{}
    10  
    11  // FS emulates fs.FS. Note: the path (map key) cannot begin with "/"!
    12  type FS map[string]*File
    13  
    14  // Open implements the same method as documented on fs.FS, except it doesn't
    15  // validate the path.
    16  func (f FS) Open(name string) (fs.File, error) {
    17  	if file, ok := f[name]; !ok {
    18  		return nil, &fs.PathError{Op: "open", Path: name, Err: fs.ErrNotExist}
    19  	} else {
    20  		return file, nil
    21  	}
    22  }
    23  
    24  type File struct{ CloseErr error }
    25  
    26  func (f *File) Close() error                       { return f.CloseErr }
    27  func (f *File) Stat() (fs.FileInfo, error)         { return nil, nil }
    28  func (f *File) Read(_ []byte) (int, error)         { return 0, nil }
    29  func (f *File) Seek(_ int64, _ int) (int64, error) { return 0, nil }
    30  

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