46 lines
942 B
Go
46 lines
942 B
Go
//go:build !windows
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// Package testutil provides real filesystem failure conditions for platform tests.
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package testutil
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import (
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"os"
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"path/filepath"
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"sync"
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"testing"
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)
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func denyMode(t *testing.T, name string, mode os.FileMode) func() {
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t.Helper()
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if os.Geteuid() == 0 {
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t.Skip("Permission tests require an unprivileged user")
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}
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info, err := os.Stat(name)
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if err != nil {
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t.Fatal(err)
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}
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if err := os.Chmod(name, mode); err != nil {
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t.Fatal(err)
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}
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release := sync.OnceFunc(func() {
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if err := os.Chmod(name, info.Mode().Perm()); err != nil {
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t.Error(err)
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}
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})
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t.Cleanup(release)
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return release
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}
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func DenyRead(t *testing.T, name string) func() {
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t.Helper()
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return denyMode(t, name, 0)
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}
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func DenyReplace(t *testing.T, name string) func() {
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t.Helper()
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return denyMode(t, filepath.Dir(name), 0555)
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}
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func DenyRemove(t *testing.T, directory string) func() {
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t.Helper()
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return denyMode(t, directory, 0500)
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}
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