mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-24 21:24:05 -08:00
76 lines
2.3 KiB
Go
76 lines
2.3 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 tsdb
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/prometheus/tsdb/index"
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"github.com/prometheus/tsdb/testutil"
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)
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// In Prometheus 2.1.0 we had a bug where the meta.json version was falsely bumped
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// to 2. We had a migration in place resetting it to 1 but we should move immediately to
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// version 3 next time to avoid confusion and issues.
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func TestBlockMetaMustNeverBeVersion2(t *testing.T) {
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dir, err := ioutil.TempDir("", "metaversion")
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testutil.Ok(t, err)
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defer os.RemoveAll(dir)
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testutil.Ok(t, writeMetaFile(dir, &BlockMeta{}))
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meta, err := readMetaFile(dir)
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testutil.Ok(t, err)
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testutil.Assert(t, meta.Version != 2, "meta.json version must never be 2")
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}
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func TestSetCompactionFailed(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "test")
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testutil.Ok(t, err)
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defer os.RemoveAll(tmpdir)
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b := createEmptyBlock(t, tmpdir, &BlockMeta{Version: 2})
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testutil.Equals(t, false, b.meta.Compaction.Failed)
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testutil.Ok(t, b.setCompactionFailed())
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testutil.Equals(t, true, b.meta.Compaction.Failed)
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testutil.Ok(t, b.Close())
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b, err = OpenBlock(tmpdir, nil)
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testutil.Ok(t, err)
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testutil.Equals(t, true, b.meta.Compaction.Failed)
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}
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// createEmpty block creates a block with the given meta but without any data.
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func createEmptyBlock(t *testing.T, dir string, meta *BlockMeta) *Block {
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testutil.Ok(t, os.MkdirAll(dir, 0777))
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testutil.Ok(t, writeMetaFile(dir, meta))
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ir, err := index.NewWriter(filepath.Join(dir, indexFilename))
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testutil.Ok(t, err)
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testutil.Ok(t, ir.Close())
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testutil.Ok(t, os.MkdirAll(chunkDir(dir), 0777))
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testutil.Ok(t, writeTombstoneFile(dir, NewMemTombstones()))
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b, err := OpenBlock(dir, nil)
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testutil.Ok(t, err)
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return b
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}
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