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package fstest
import (
"io/ioutil"
"os"
"github.com/containerd/continuity"
"github.com/pkg/errors"
)
// CheckDirectoryEqual compares two directory paths to make sure that
// the content of the directories is the same.
func CheckDirectoryEqual(d1, d2 string) error {
c1, err := continuity.NewContext(d1)
if err != nil {
return errors.Wrap(err, "failed to build context")
}
c2, err := continuity.NewContext(d2)
if err != nil {
return errors.Wrap(err, "failed to build context")
}
m1, err := continuity.BuildManifest(c1)
if err != nil {
return errors.Wrap(err, "failed to build manifest")
}
m2, err := continuity.BuildManifest(c2)
if err != nil {
return errors.Wrap(err, "failed to build manifest")
}
diff := diffResourceList(m1.Resources, m2.Resources)
if diff.HasDiff() {
return errors.Errorf("directory diff between %s and %s\n%s", d1, d2, diff.String())
}
return nil
}
// CheckDirectoryEqualWithApplier compares directory against applier
func CheckDirectoryEqualWithApplier(root string, a Applier) error {
applied, err := ioutil.TempDir("", "fstest")
if err != nil {
return err
}
defer os.RemoveAll(applied)
if err := a.Apply(applied); err != nil {
return err
}
return CheckDirectoryEqual(applied, root)
}
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