97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
package tsdb
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import (
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"io/ioutil"
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"math/rand"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestWriteAndReadbackTombStones(t *testing.T) {
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tmpdir, _ := ioutil.TempDir("", "test")
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defer os.RemoveAll(tmpdir)
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ref := uint32(0)
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stones := make(map[uint32][]trange)
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// Generate the tombstones.
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for i := 0; i < 100; i++ {
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ref += uint32(rand.Int31n(10)) + 1
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numRanges := rand.Intn(5)
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dranges := make([]trange, numRanges)
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mint := rand.Int63n(time.Now().UnixNano())
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for j := 0; j < numRanges; j++ {
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dranges[j] = trange{mint, mint + rand.Int63n(1000)}
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mint += rand.Int63n(1000) + 1
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}
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stones[ref] = dranges
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}
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require.NoError(t, writeTombstoneFile(tmpdir, newMapTombstoneReader(stones)))
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restr, err := readTombstoneFile(tmpdir)
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require.NoError(t, err)
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exptr := newMapTombstoneReader(stones)
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// Compare the two readers.
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for restr.Next() {
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require.True(t, exptr.Next())
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require.Equal(t, exptr.At(), restr.At())
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}
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require.False(t, exptr.Next())
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require.NoError(t, restr.Err())
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require.NoError(t, exptr.Err())
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}
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func TestAddingNewIntervals(t *testing.T) {
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cases := []struct {
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exist []trange
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new trange
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exp []trange
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}{
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{
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new: trange{1, 2},
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exp: []trange{{1, 2}},
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},
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{
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exist: []trange{{1, 10}, {12, 20}, {25, 30}},
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new: trange{21, 23},
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exp: []trange{{1, 10}, {12, 20}, {21, 23}, {25, 30}},
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},
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{
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exist: []trange{{1, 10}, {12, 20}, {25, 30}},
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new: trange{21, 25},
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exp: []trange{{1, 10}, {12, 20}, {21, 30}},
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},
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{
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exist: []trange{{1, 10}, {12, 20}, {25, 30}},
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new: trange{18, 23},
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exp: []trange{{1, 10}, {12, 23}, {25, 30}},
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},
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{
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exist: []trange{{1, 10}, {12, 20}, {25, 30}},
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new: trange{9, 23},
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exp: []trange{{1, 23}, {25, 30}},
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},
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{
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exist: []trange{{1, 10}, {12, 20}, {25, 30}},
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new: trange{9, 230},
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exp: []trange{{1, 230}},
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},
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{
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exist: []trange{{5, 10}, {12, 20}, {25, 30}},
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new: trange{1, 4},
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exp: []trange{{1, 4}, {5, 10}, {12, 20}, {25, 30}},
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},
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}
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for _, c := range cases {
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require.Equal(t, c.exp, addNewInterval(c.exist, c.new))
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}
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return
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}
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