mirror of
https://github.com/Oxalide/vsphere-influxdb-go.git
synced 2023-10-10 13:36:51 +02:00
261 lines
5.9 KiB
Go
261 lines
5.9 KiB
Go
package tsdb_test
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/influxdata/influxdb/models"
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"github.com/influxdata/influxdb/tsdb"
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"github.com/influxdata/influxdb/tsdb/index/inmem"
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)
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// Ensure tags can be marshaled into a byte slice.
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func TestMarshalTags(t *testing.T) {
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for i, tt := range []struct {
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tags map[string]string
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result []byte
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}{
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{
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tags: nil,
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result: nil,
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},
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{
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tags: map[string]string{"foo": "bar"},
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result: []byte(`foo|bar`),
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},
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{
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tags: map[string]string{"foo": "bar", "baz": "battttt"},
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result: []byte(`baz|foo|battttt|bar`),
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},
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{
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tags: map[string]string{"baz": "battttt", "foo": "bar"},
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result: []byte(`baz|foo|battttt|bar`),
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},
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} {
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result := tsdb.MarshalTags(tt.tags)
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if !bytes.Equal(result, tt.result) {
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t.Fatalf("%d. unexpected result: exp=%s, got=%s", i, tt.result, result)
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}
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}
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}
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func BenchmarkMarshalTags_KeyN1(b *testing.B) { benchmarkMarshalTags(b, 1) }
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func BenchmarkMarshalTags_KeyN3(b *testing.B) { benchmarkMarshalTags(b, 3) }
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func BenchmarkMarshalTags_KeyN5(b *testing.B) { benchmarkMarshalTags(b, 5) }
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func BenchmarkMarshalTags_KeyN10(b *testing.B) { benchmarkMarshalTags(b, 10) }
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func benchmarkMarshalTags(b *testing.B, keyN int) {
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const keySize, valueSize = 8, 15
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// Generate tag map.
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tags := make(map[string]string)
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for i := 0; i < keyN; i++ {
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tags[fmt.Sprintf("%0*d", keySize, i)] = fmt.Sprintf("%0*d", valueSize, i)
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}
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// Unmarshal map into byte slice.
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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tsdb.MarshalTags(tags)
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}
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}
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// Ensure tags can be marshaled into a byte slice.
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func TestMakeTagsKey(t *testing.T) {
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for i, tt := range []struct {
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keys []string
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tags models.Tags
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result []byte
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}{
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{
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keys: nil,
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tags: nil,
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result: nil,
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},
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{
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keys: []string{"foo"},
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tags: models.NewTags(map[string]string{"foo": "bar"}),
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result: []byte(`foo|bar`),
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},
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{
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keys: []string{"foo"},
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tags: models.NewTags(map[string]string{"baz": "battttt"}),
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result: []byte(``),
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},
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{
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keys: []string{"baz", "foo"},
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tags: models.NewTags(map[string]string{"baz": "battttt"}),
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result: []byte(`baz|battttt`),
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},
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{
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keys: []string{"baz", "foo", "zzz"},
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tags: models.NewTags(map[string]string{"foo": "bar"}),
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result: []byte(`foo|bar`),
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},
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{
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keys: []string{"baz", "foo"},
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tags: models.NewTags(map[string]string{"foo": "bar", "baz": "battttt"}),
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result: []byte(`baz|foo|battttt|bar`),
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},
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{
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keys: []string{"baz"},
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tags: models.NewTags(map[string]string{"baz": "battttt", "foo": "bar"}),
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result: []byte(`baz|battttt`),
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},
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} {
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result := tsdb.MakeTagsKey(tt.keys, tt.tags)
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if !bytes.Equal(result, tt.result) {
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t.Fatalf("%d. unexpected result: exp=%s, got=%s", i, tt.result, result)
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}
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}
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}
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func BenchmarkMakeTagsKey_KeyN1(b *testing.B) { benchmarkMakeTagsKey(b, 1) }
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func BenchmarkMakeTagsKey_KeyN3(b *testing.B) { benchmarkMakeTagsKey(b, 3) }
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func BenchmarkMakeTagsKey_KeyN5(b *testing.B) { benchmarkMakeTagsKey(b, 5) }
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func BenchmarkMakeTagsKey_KeyN10(b *testing.B) { benchmarkMakeTagsKey(b, 10) }
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func makeTagsAndKeys(keyN int) ([]string, models.Tags) {
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const keySize, valueSize = 8, 15
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// Generate tag map.
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keys := make([]string, keyN)
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tags := make(map[string]string)
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for i := 0; i < keyN; i++ {
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keys[i] = fmt.Sprintf("%0*d", keySize, i)
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tags[keys[i]] = fmt.Sprintf("%0*d", valueSize, i)
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}
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return keys, models.NewTags(tags)
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}
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func benchmarkMakeTagsKey(b *testing.B, keyN int) {
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keys, tags := makeTagsAndKeys(keyN)
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// Unmarshal map into byte slice.
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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tsdb.MakeTagsKey(keys, tags)
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}
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}
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type TestSeries struct {
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Measurement string
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Series *inmem.Series
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}
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func genTestSeries(mCnt, tCnt, vCnt int) []*TestSeries {
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measurements := genStrList("measurement", mCnt)
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tagSets := NewTagSetGenerator(tCnt, vCnt).AllSets()
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series := []*TestSeries{}
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for _, m := range measurements {
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for _, ts := range tagSets {
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series = append(series, &TestSeries{
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Measurement: m,
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Series: inmem.NewSeries([]byte(fmt.Sprintf("%s:%s", m, string(tsdb.MarshalTags(ts)))), models.NewTags(ts)),
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})
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}
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}
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return series
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}
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type TagValGenerator struct {
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Key string
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Vals []string
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idx int
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}
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func NewTagValGenerator(tagKey string, nVals int) *TagValGenerator {
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tvg := &TagValGenerator{Key: tagKey}
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for i := 0; i < nVals; i++ {
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tvg.Vals = append(tvg.Vals, fmt.Sprintf("tagValue%d", i))
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}
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return tvg
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}
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func (tvg *TagValGenerator) First() string {
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tvg.idx = 0
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return tvg.Curr()
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}
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func (tvg *TagValGenerator) Curr() string {
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return tvg.Vals[tvg.idx]
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}
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func (tvg *TagValGenerator) Next() string {
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tvg.idx++
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if tvg.idx >= len(tvg.Vals) {
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tvg.idx--
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return ""
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}
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return tvg.Curr()
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}
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type TagSet map[string]string
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type TagSetGenerator struct {
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TagVals []*TagValGenerator
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}
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func NewTagSetGenerator(nSets int, nTagVals ...int) *TagSetGenerator {
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tsg := &TagSetGenerator{}
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for i := 0; i < nSets; i++ {
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nVals := nTagVals[0]
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if i < len(nTagVals) {
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nVals = nTagVals[i]
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}
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tagKey := fmt.Sprintf("tagKey%d", i)
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tsg.TagVals = append(tsg.TagVals, NewTagValGenerator(tagKey, nVals))
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}
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return tsg
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}
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func (tsg *TagSetGenerator) First() TagSet {
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for _, tsv := range tsg.TagVals {
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tsv.First()
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}
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return tsg.Curr()
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}
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func (tsg *TagSetGenerator) Curr() TagSet {
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ts := TagSet{}
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for _, tvg := range tsg.TagVals {
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ts[tvg.Key] = tvg.Curr()
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}
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return ts
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}
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func (tsg *TagSetGenerator) Next() TagSet {
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val := ""
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for _, tsv := range tsg.TagVals {
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if val = tsv.Next(); val != "" {
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break
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} else {
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tsv.First()
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}
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}
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if val == "" {
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return nil
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}
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return tsg.Curr()
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}
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func (tsg *TagSetGenerator) AllSets() []TagSet {
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allSets := []TagSet{}
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for ts := tsg.First(); ts != nil; ts = tsg.Next() {
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allSets = append(allSets, ts)
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}
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return allSets
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}
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func genStrList(prefix string, n int) []string {
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lst := make([]string, 0, n)
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for i := 0; i < n; i++ {
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lst = append(lst, fmt.Sprintf("%s%d", prefix, i))
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}
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return lst
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}
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