influxdb/models/tagkeysset_test.go

326 lines
7.5 KiB
Go

package models_test
import (
"bytes"
"math/rand"
"strconv"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/influxdata/influxdb/v2/models"
)
func TestTagKeysSet_UnionKeys(t *testing.T) {
tests := []struct {
name string
tags []models.Tags
exp string
}{
{
name: "mixed",
tags: []models.Tags{
models.ParseTags([]byte("foo,tag0=v0,tag1=v0,tag2=v0")),
models.ParseTags([]byte("foo,tag0=v0,tag1=v0,tag2=v1")),
models.ParseTags([]byte("foo,tag0=v0")),
models.ParseTags([]byte("foo,tag0=v0,tag3=v0")),
},
exp: "tag0,tag1,tag2,tag3",
},
{
name: "mixed 2",
tags: []models.Tags{
models.ParseTags([]byte("foo,tag0=v0")),
models.ParseTags([]byte("foo,tag0=v0,tag3=v0")),
models.ParseTags([]byte("foo,tag0=v0,tag1=v0,tag2=v0")),
models.ParseTags([]byte("foo,tag0=v0,tag1=v0,tag2=v1")),
},
exp: "tag0,tag1,tag2,tag3",
},
{
name: "all different",
tags: []models.Tags{
models.ParseTags([]byte("foo,tag0=v0")),
models.ParseTags([]byte("foo,tag1=v0")),
models.ParseTags([]byte("foo,tag2=v1")),
models.ParseTags([]byte("foo,tag3=v0")),
},
exp: "tag0,tag1,tag2,tag3",
},
{
name: "new tags,verify clear",
tags: []models.Tags{
models.ParseTags([]byte("foo,tag9=v0")),
models.ParseTags([]byte("foo,tag8=v0")),
},
exp: "tag8,tag9",
},
}
var km models.TagKeysSet
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
km.Clear()
for _, tags := range tt.tags {
km.UnionKeys(tags)
}
if got := km.String(); !cmp.Equal(got, tt.exp) {
t.Errorf("unexpected keys -got/+exp\n%s", cmp.Diff(got, tt.exp))
}
})
}
}
func TestTagKeysSet_IsSuperset(t *testing.T) {
var km models.TagKeysSet
km.UnionBytes(bytes.Split([]byte("tag0,tag3,tag5,tag7"), commaB))
tests := []struct {
name string
tags models.Tags
exp bool
}{
{
tags: models.ParseTags([]byte("foo,tag0=v,tag3=v")),
exp: true,
},
{
tags: models.ParseTags([]byte("foo,tag3=v")),
exp: true,
},
{
tags: models.ParseTags([]byte("foo,tag7=v")),
exp: true,
},
{
tags: models.ParseTags([]byte("foo,tag3=v,tag7=v")),
exp: true,
},
{
tags: models.ParseTags([]byte("foo,tag0=v,tag3=v,tag5=v,tag7=v")),
exp: true,
},
{
tags: models.ParseTags([]byte("foo")),
exp: true,
},
{
tags: models.ParseTags([]byte("foo,tag0=v,tag2=v")),
exp: false,
},
{
tags: models.ParseTags([]byte("foo,tag1=v")),
exp: false,
},
{
tags: models.ParseTags([]byte("foo,tag6=v")),
exp: false,
},
{
tags: models.ParseTags([]byte("foo,tag8=v")),
exp: false,
},
{
tags: models.ParseTags([]byte("foo,tag0=v,tag3=v,tag5=v,tag8=v")),
exp: false,
},
{
tags: models.ParseTags([]byte("foo,tag0=v,tag3=v,tag5=v,tag6=v")),
exp: false,
},
{
tags: models.ParseTags([]byte("foo,tag0=v,tag3=v,tag5=v,tag7=v,tag8=v")),
exp: false,
},
}
for _, tt := range tests {
t.Run("tags/"+tt.name, func(t *testing.T) {
if got := km.IsSupersetKeys(tt.tags); got != tt.exp {
t.Errorf("unexpected IsSuperset -got/+exp\n%s", cmp.Diff(got, tt.exp))
}
})
}
for _, tt := range tests {
t.Run("bytes/"+tt.name, func(t *testing.T) {
var keys [][]byte
for i := range tt.tags {
keys = append(keys, tt.tags[i].Key)
}
if got := km.IsSupersetBytes(keys); got != tt.exp {
t.Errorf("unexpected IsSupersetBytes -got/+exp\n%s", cmp.Diff(got, tt.exp))
}
})
}
}
var commaB = []byte(",")
func TestTagKeysSet_UnionBytes(t *testing.T) {
tests := []struct {
name string
keys [][][]byte
exp string
}{
{
name: "mixed",
keys: [][][]byte{
bytes.Split([]byte("tag0,tag1,tag2"), commaB),
bytes.Split([]byte("tag0,tag1,tag2"), commaB),
bytes.Split([]byte("tag0"), commaB),
bytes.Split([]byte("tag0,tag3"), commaB),
},
exp: "tag0,tag1,tag2,tag3",
},
{
name: "mixed 2",
keys: [][][]byte{
bytes.Split([]byte("tag0"), commaB),
bytes.Split([]byte("tag0,tag3"), commaB),
bytes.Split([]byte("tag0,tag1,tag2"), commaB),
bytes.Split([]byte("tag0,tag1,tag2"), commaB),
},
exp: "tag0,tag1,tag2,tag3",
},
{
name: "all different",
keys: [][][]byte{
bytes.Split([]byte("tag0"), commaB),
bytes.Split([]byte("tag3"), commaB),
bytes.Split([]byte("tag1"), commaB),
bytes.Split([]byte("tag2"), commaB),
},
exp: "tag0,tag1,tag2,tag3",
},
{
name: "new tags,verify clear",
keys: [][][]byte{
bytes.Split([]byte("tag9"), commaB),
bytes.Split([]byte("tag8"), commaB),
},
exp: "tag8,tag9",
},
}
var km models.TagKeysSet
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
km.Clear()
for _, keys := range tt.keys {
km.UnionBytes(keys)
}
if got := km.String(); !cmp.Equal(got, tt.exp) {
t.Errorf("unexpected keys -got/+exp\n%s", cmp.Diff(got, tt.exp))
}
})
}
}
func BenchmarkTagKeysSet_UnionBytes(b *testing.B) {
keys := [][][]byte{
bytes.Split([]byte("tag00,tag01,tag02"), commaB),
bytes.Split([]byte("tag00,tag01,tag02"), commaB),
bytes.Split([]byte("tag00,tag01,tag05,tag06,tag10,tag11,tag12,tag13,tag14,tag15"), commaB),
bytes.Split([]byte("tag00"), commaB),
bytes.Split([]byte("tag00,tag03"), commaB),
bytes.Split([]byte("tag01,tag03,tag13,tag14,tag15"), commaB),
bytes.Split([]byte("tag04,tag05"), commaB),
}
rand.Seed(20040409)
tests := []int{
10,
1000,
1000000,
}
for _, n := range tests {
b.Run(strconv.Itoa(n), func(b *testing.B) {
b.ResetTimer()
var km models.TagKeysSet
for i := 0; i < b.N; i++ {
for j := 0; j < n; j++ {
km.UnionBytes(keys[rand.Int()%len(keys)])
}
km.Clear()
}
})
}
}
type XorShift64Star struct {
state uint64
}
func (x *XorShift64Star) Next() uint64 {
x.state ^= x.state >> 12
x.state ^= x.state << 25
x.state ^= x.state >> 27
return x.state * 2685821657736338717
}
func BenchmarkTagKeysSet_UnionKeys(b *testing.B) {
tags := []models.Tags{
models.ParseTags([]byte("foo,tag00=v0,tag01=v0,tag02=v0")),
models.ParseTags([]byte("foo,tag00=v0,tag01=v0,tag02=v0")),
models.ParseTags([]byte("foo,tag00=v0,tag01=v0,tag05=v0,tag06=v0,tag10=v0,tag11=v0,tag12=v0,tag13=v0,tag14=v0,tag15=v0")),
models.ParseTags([]byte("foo,tag00=v0")),
models.ParseTags([]byte("foo,tag00=v0,tag03=v0")),
models.ParseTags([]byte("foo,tag01=v0,tag03=v0,tag13=v0,tag14=v0,tag15=v0")),
models.ParseTags([]byte("foo,tag04=v0,tag05=v0")),
}
rnd := XorShift64Star{state: 20040409}
tests := []int{
10,
1000,
1000000,
}
for _, n := range tests {
b.Run(strconv.Itoa(n), func(b *testing.B) {
b.ResetTimer()
var km models.TagKeysSet
for i := 0; i < b.N; i++ {
for j := 0; j < n; j++ {
km.UnionKeys(tags[rnd.Next()%uint64(len(tags))])
}
km.Clear()
}
})
}
}
func BenchmarkTagKeysSet_IsSuperset(b *testing.B) {
var km models.TagKeysSet
km.UnionBytes(bytes.Split([]byte("tag0,tag3,tag5,tag7"), commaB))
tests := []struct {
name string
tags models.Tags
}{
{name: "last/true", tags: models.ParseTags([]byte("foo,tag7=v"))},
{name: "last/false", tags: models.ParseTags([]byte("foo,tag8=v"))},
{name: "first_last/true", tags: models.ParseTags([]byte("foo,tag0=v,tag7=v"))},
{name: "all/true", tags: models.ParseTags([]byte("foo,tag0=v,tag3=v,tag5=v,tag7=v"))},
{name: "first not last/false", tags: models.ParseTags([]byte("foo,tag0=v,tag8=v"))},
{name: "all but last/false", tags: models.ParseTags([]byte("foo,tag0=v,tag3=v,tag5=v,tag7=v,tag8=v"))},
}
for _, n := range tests {
b.Run(n.name, func(b *testing.B) {
b.ResetTimer()
for i := 0; i < b.N; i++ {
km.IsSupersetKeys(n.tags)
}
})
}
}