40 lines
728 B
Go
40 lines
728 B
Go
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package afero
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import "testing"
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func TestCopyOnWrite(t *testing.T) {
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var fs Fs
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var err error
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base := NewOsFs()
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roBase := NewReadOnlyFs(base)
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ufs := NewCopyOnWriteFs(roBase, NewMemMapFs())
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fs = ufs
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err = fs.MkdirAll("nonexistent/directory/", 0744)
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if err != nil {
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t.Error(err)
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return
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}
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_, err = fs.Create("nonexistent/directory/newfile")
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if err != nil {
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t.Error(err)
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return
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}
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}
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func TestCopyOnWriteFileInMemMapBase(t *testing.T) {
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base := &MemMapFs{}
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layer := &MemMapFs{}
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if err := WriteFile(base, "base.txt", []byte("base"), 0755); err != nil {
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t.Fatalf("Failed to write file: %s", err)
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}
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ufs := NewCopyOnWriteFs(base, layer)
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_, err := ufs.Stat("base.txt")
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if err != nil {
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t.Fatal(err)
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}
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}
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