mirror of
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62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import (
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"io/ioutil"
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"os"
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"time"
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"github.com/prometheus/common/log"
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"github.com/prometheus/common/model"
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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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// Tests just load data for a series sequentially. Thus we
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// need a long appendable window.
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db, err := tsdb.Open(dir, nil, &tsdb.Options{
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MinBlockDuration: model.Duration(24 * time.Hour),
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MaxBlockDuration: model.Duration(24 * time.Hour),
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})
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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: tsdb.Adapter(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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