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42 lines
880 B
Go
42 lines
880 B
Go
package testutil
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import (
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"io/ioutil"
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"os"
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"github.com/prometheus/common/log"
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"github.com/prometheus/prometheus/storage"
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"github.com/prometheus/prometheus/storage/tsdb"
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)
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// NewStorage returns a new storage for testing purposes
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// that removes all associated files on closing.
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func NewStorage(t T) storage.Storage {
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dir, err := ioutil.TempDir("", "test_storage")
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if err != nil {
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t.Fatalf("Opening test dir failed: %s", err)
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}
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log.With("dir", dir).Debugln("opening test storage")
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db, err := tsdb.Open(dir)
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if err != nil {
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t.Fatalf("Opening test storage failed: %s", err)
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}
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return testStorage{Storage: db, dir: dir}
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}
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type testStorage struct {
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storage.Storage
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dir string
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}
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func (s testStorage) Close() error {
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log.With("dir", s.dir).Debugln("closing test storage")
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if err := s.Storage.Close(); err != nil {
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return err
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}
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return os.RemoveAll(s.dir)
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}
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