mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-20 15:57:31 -07:00
48 lines
1 KiB
Go
48 lines
1 KiB
Go
package tsdb
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"math/rand"
|
|
"os"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestWriteAndReadbackTombStones(t *testing.T) {
|
|
tmpdir, _ := ioutil.TempDir("", "test")
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
ref := uint32(0)
|
|
|
|
stones := make(map[uint32][]trange)
|
|
// Generate the tombstones.
|
|
for i := 0; i < 100; i++ {
|
|
ref += uint32(rand.Int31n(10)) + 1
|
|
numRanges := rand.Intn(5)
|
|
dranges := make([]trange, numRanges)
|
|
mint := rand.Int63n(time.Now().UnixNano())
|
|
for j := 0; j < numRanges; j++ {
|
|
dranges[j] = trange{mint, mint + rand.Int63n(1000)}
|
|
mint += rand.Int63n(1000) + 1
|
|
}
|
|
stones[ref] = dranges
|
|
}
|
|
|
|
require.NoError(t, writeTombstoneFile(tmpdir, newMapTombstoneReader(stones)))
|
|
|
|
restr, err := readTombstoneFile(tmpdir)
|
|
require.NoError(t, err)
|
|
exptr := newMapTombstoneReader(stones)
|
|
// Compare the two readers.
|
|
for restr.Next() {
|
|
require.True(t, exptr.Next())
|
|
|
|
require.Equal(t, exptr.At(), restr.At())
|
|
}
|
|
require.False(t, exptr.Next())
|
|
require.NoError(t, restr.Err())
|
|
require.NoError(t, exptr.Err())
|
|
}
|