mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-19 23:37:31 -07:00
7438ed7035
TombstoneReader is exposed but Intervals is not. Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
99 lines
2.3 KiB
Go
99 lines
2.3 KiB
Go
// Copyright 2017 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package tsdb
|
|
|
|
import (
|
|
"math/rand"
|
|
"testing"
|
|
|
|
"github.com/pkg/errors"
|
|
"github.com/prometheus/tsdb/chunks"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
type mockChunkReader map[uint64]chunks.Chunk
|
|
|
|
func (cr mockChunkReader) Chunk(ref uint64) (chunks.Chunk, error) {
|
|
chk, ok := cr[ref]
|
|
if ok {
|
|
return chk, nil
|
|
}
|
|
|
|
return nil, errors.New("Chunk with ref not found")
|
|
}
|
|
|
|
func (cr mockChunkReader) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func TestDeletedIterator(t *testing.T) {
|
|
chk := chunks.NewXORChunk()
|
|
app, err := chk.Appender()
|
|
require.NoError(t, err)
|
|
// Insert random stuff from (0, 1000).
|
|
act := make([]sample, 1000)
|
|
for i := 0; i < 1000; i++ {
|
|
act[i].t = int64(i)
|
|
act[i].v = rand.Float64()
|
|
app.Append(act[i].t, act[i].v)
|
|
}
|
|
|
|
cases := []struct {
|
|
r Intervals
|
|
}{
|
|
{r: Intervals{{1, 20}}},
|
|
{r: Intervals{{1, 10}, {12, 20}, {21, 23}, {25, 30}}},
|
|
{r: Intervals{{1, 10}, {12, 20}, {20, 30}}},
|
|
{r: Intervals{{1, 10}, {12, 23}, {25, 30}}},
|
|
{r: Intervals{{1, 23}, {12, 20}, {25, 30}}},
|
|
{r: Intervals{{1, 23}, {12, 20}, {25, 3000}}},
|
|
{r: Intervals{{0, 2000}}},
|
|
{r: Intervals{{500, 2000}}},
|
|
{r: Intervals{{0, 200}}},
|
|
{r: Intervals{{1000, 20000}}},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
i := int64(-1)
|
|
it := &deletedIterator{it: chk.Iterator(), intervals: c.r[:]}
|
|
ranges := c.r[:]
|
|
for it.Next() {
|
|
i++
|
|
for _, tr := range ranges {
|
|
if tr.inBounds(i) {
|
|
i = tr.Maxt + 1
|
|
ranges = ranges[1:]
|
|
}
|
|
}
|
|
|
|
require.True(t, i < 1000)
|
|
|
|
ts, v := it.At()
|
|
require.Equal(t, act[i].t, ts)
|
|
require.Equal(t, act[i].v, v)
|
|
}
|
|
// There has been an extra call to Next().
|
|
i++
|
|
for _, tr := range ranges {
|
|
if tr.inBounds(i) {
|
|
i = tr.Maxt + 1
|
|
ranges = ranges[1:]
|
|
}
|
|
}
|
|
|
|
require.False(t, i < 1000)
|
|
require.NoError(t, it.Err())
|
|
}
|
|
}
|