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da419be43c
New and its helpers used to create the cache directories several times over. They now only do so once. The added test ensures that the cache is produced in a consistent state when parts are deleted.
47 lines
965 B
Go
47 lines
965 B
Go
package cache
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/restic/restic/internal/restic"
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rtest "github.com/restic/restic/internal/test"
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)
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func TestNew(t *testing.T) {
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parent := rtest.TempDir(t)
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basedir := filepath.Join(parent, "cache")
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id := restic.NewRandomID().String()
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tagFile := filepath.Join(basedir, "CACHEDIR.TAG")
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versionFile := filepath.Join(basedir, id, "version")
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const (
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stepCreate = iota
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stepComplete
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stepRmTag
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stepRmVersion
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stepEnd
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)
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for step := stepCreate; step < stepEnd; step++ {
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switch step {
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case stepRmTag:
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rtest.OK(t, os.Remove(tagFile))
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case stepRmVersion:
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rtest.OK(t, os.Remove(versionFile))
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}
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c, err := New(id, basedir)
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rtest.OK(t, err)
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rtest.Equals(t, basedir, c.Base)
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rtest.Equals(t, step == stepCreate, c.Created)
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for _, name := range []string{tagFile, versionFile} {
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info, err := os.Lstat(name)
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rtest.OK(t, err)
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rtest.Assert(t, info.Mode().IsRegular(), "")
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}
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}
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}
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