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prometheus/storage/metric/rule_integration_test.go
Matt T. Proud b23acccea8 Kill AppendSample interface definition. 
AppendSample will be repcated with AppendSamples, which will take
advantage of bulks appends.  This is a necessary step for indexing
pipeline decoupling.

Change-Id: Ia83811a87bcc89973d3b64d64b85a28710253ebc
2013-08-15 11:35:50 +02:00

954 lines
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// Copyright 2013 Prometheus Team
// 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 metric
import (
"testing"
"time"
clientmodel "github.com/prometheus/client_golang/model"
"github.com/prometheus/prometheus/utility/test"
)
func GetValueAtTimeTests(persistenceMaker func() (MetricPersistence, test.Closer), t test.Tester) {
type value struct {
year int
month time.Month
day int
hour int
value clientmodel.SampleValue
}
type input struct {
year int
month time.Month
day int
hour int
}
type output []clientmodel.SampleValue
type behavior struct {
name string
input input
output output
}
var contexts = []struct {
name string
values []value
behaviors []behavior
}{
{
name: "no values",
values: []value{},
behaviors: []behavior{
{
name: "random target",
input: input{
year: 1984,
month: 3,
day: 30,
hour: 0,
},
},
},
},
{
name: "singleton",
values: []value{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
behaviors: []behavior{
{
name: "exact",
input: input{
year: 1984,
month: 3,
day: 30,
hour: 0,
},
output: output{
0,
},
},
{
name: "before",
input: input{
year: 1984,
month: 3,
day: 29,
hour: 0,
},
output: output{
0,
},
},
{
name: "after",
input: input{
year: 1984,
month: 3,
day: 31,
hour: 0,
},
output: output{
0,
},
},
},
},
{
name: "double",
values: []value{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
behaviors: []behavior{
{
name: "exact first",
input: input{
year: 1984,
month: 3,
day: 30,
hour: 0,
},
output: output{
0,
},
},
{
name: "exact second",
input: input{
year: 1985,
month: 3,
day: 30,
hour: 0,
},
output: output{
1,
},
},
{
name: "before first",
input: input{
year: 1983,
month: 9,
day: 29,
hour: 12,
},
output: output{
0,
},
},
{
name: "after second",
input: input{
year: 1985,
month: 9,
day: 28,
hour: 12,
},
output: output{
1,
},
},
{
name: "middle",
input: input{
year: 1984,
month: 9,
day: 28,
hour: 12,
},
output: output{
0,
1,
},
},
},
},
{
name: "triple",
values: []value{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
{
year: 1986,
month: 3,
day: 30,
hour: 0,
value: 2,
},
},
behaviors: []behavior{
{
name: "exact first",
input: input{
year: 1984,
month: 3,
day: 30,
hour: 0,
},
output: output{
0,
},
},
{
name: "exact second",
input: input{
year: 1985,
month: 3,
day: 30,
hour: 0,
},
output: output{
1,
},
},
{
name: "exact third",
input: input{
year: 1986,
month: 3,
day: 30,
hour: 0,
},
output: output{
2,
},
},
{
name: "before first",
input: input{
year: 1983,
month: 9,
day: 29,
hour: 12,
},
output: output{
0,
},
},
{
name: "after third",
input: input{
year: 1986,
month: 9,
day: 28,
hour: 12,
},
output: output{
2,
},
},
{
name: "first middle",
input: input{
year: 1984,
month: 9,
day: 28,
hour: 12,
},
output: output{
0,
1,
},
},
{
name: "second middle",
input: input{
year: 1985,
month: 9,
day: 28,
hour: 12,
},
output: output{
1,
2,
},
},
},
},
}
for i, context := range contexts {
// Wrapping in function to enable garbage collection of resources.
func() {
p, closer := persistenceMaker()
defer closer.Close()
defer p.Close()
m := clientmodel.Metric{
clientmodel.MetricNameLabel: "age_in_years",
}
for _, value := range context.values {
testAppendSamples(p, &clientmodel.Sample{
Value: clientmodel.SampleValue(value.value),
Timestamp: time.Date(value.year, value.month, value.day, value.hour, 0, 0, 0, time.UTC),
Metric: m,
}, t)
}
for j, behavior := range context.behaviors {
input := behavior.input
time := time.Date(input.year, input.month, input.day, input.hour, 0, 0, 0, time.UTC)
fingerprint := &clientmodel.Fingerprint{}
fingerprint.LoadFromMetric(m)
actual := p.GetValueAtTime(fingerprint, time)
if len(behavior.output) != len(actual) {
t.Fatalf("%d.%d(%s.%s). Expected %d samples but got: %v\n", i, j, context.name, behavior.name, len(behavior.output), actual)
}
for k, samplePair := range actual {
if samplePair.Value != behavior.output[k] {
t.Fatalf("%d.%d.%d(%s.%s). Expected %s but got %s\n", i, j, k, context.name, behavior.name, behavior.output[k], samplePair)
}
}
}
}()
}
}
func GetRangeValuesTests(persistenceMaker func() (MetricPersistence, test.Closer), onlyBoundaries bool, t test.Tester) {
type value struct {
year int
month time.Month
day int
hour int
value clientmodel.SampleValue
}
type input struct {
openYear int
openMonth time.Month
openDay int
openHour int
endYear int
endMonth time.Month
endDay int
endHour int
}
type output struct {
year int
month time.Month
day int
hour int
value clientmodel.SampleValue
}
type behavior struct {
name string
input input
output []output
}
var contexts = []struct {
name string
values []value
behaviors []behavior
}{
{
name: "no values",
values: []value{},
behaviors: []behavior{
{
name: "non-existent interval",
input: input{
openYear: 1984,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
},
},
},
{
name: "singleton value",
values: []value{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
behaviors: []behavior{
{
name: "start on first value",
input: input{
openYear: 1984,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
},
{
name: "end on first value",
input: input{
openYear: 1983,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1984,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
},
{
name: "overlap on first value",
input: input{
openYear: 1983,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
},
},
},
{
name: "two values",
values: []value{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
behaviors: []behavior{
{
name: "start on first value",
input: input{
openYear: 1984,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
},
{
name: "start on second value",
input: input{
openYear: 1985,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1986,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
},
{
name: "end on first value",
input: input{
openYear: 1983,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1984,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
},
{
name: "end on second value",
input: input{
openYear: 1985,
openMonth: 1,
openDay: 1,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
},
{
name: "overlap on values",
input: input{
openYear: 1983,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1986,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
},
},
},
{
name: "three values",
values: []value{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
{
year: 1986,
month: 3,
day: 30,
hour: 0,
value: 2,
},
},
behaviors: []behavior{
{
name: "start on first value",
input: input{
openYear: 1984,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
},
{
name: "start on second value",
input: input{
openYear: 1985,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1986,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
{
year: 1986,
month: 3,
day: 30,
hour: 0,
value: 2,
},
},
},
{
name: "end on first value",
input: input{
openYear: 1983,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1984,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
},
},
{
name: "end on second value",
input: input{
openYear: 1985,
openMonth: 1,
openDay: 1,
openHour: 0,
endYear: 1985,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
},
},
{
name: "overlap on values",
input: input{
openYear: 1983,
openMonth: 3,
openDay: 30,
openHour: 0,
endYear: 1986,
endMonth: 3,
endDay: 30,
endHour: 0,
},
output: []output{
{
year: 1984,
month: 3,
day: 30,
hour: 0,
value: 0,
},
{
year: 1985,
month: 3,
day: 30,
hour: 0,
value: 1,
},
{
year: 1986,
month: 3,
day: 30,
hour: 0,
value: 2,
},
},
},
},
},
}
for i, context := range contexts {
// Wrapping in function to enable garbage collection of resources.
func() {
p, closer := persistenceMaker()
defer closer.Close()
defer p.Close()
m := clientmodel.Metric{
clientmodel.MetricNameLabel: "age_in_years",
}
for _, value := range context.values {
testAppendSamples(p, &clientmodel.Sample{
Value: clientmodel.SampleValue(value.value),
Timestamp: time.Date(value.year, value.month, value.day, value.hour, 0, 0, 0, time.UTC),
Metric: m,
}, t)
}
for j, behavior := range context.behaviors {
input := behavior.input
open := time.Date(input.openYear, input.openMonth, input.openDay, input.openHour, 0, 0, 0, time.UTC)
end := time.Date(input.endYear, input.endMonth, input.endDay, input.endHour, 0, 0, 0, time.UTC)
in := Interval{
OldestInclusive: open,
NewestInclusive: end,
}
actualValues := Values{}
expectedValues := []output{}
fp := &clientmodel.Fingerprint{}
fp.LoadFromMetric(m)
if onlyBoundaries {
actualValues = p.GetBoundaryValues(fp, in)
l := len(behavior.output)
if l == 1 {
expectedValues = behavior.output[0:1]
}
if l > 1 {
expectedValues = append(behavior.output[0:1], behavior.output[l-1])
}
} else {
actualValues = p.GetRangeValues(fp, in)
expectedValues = behavior.output
}
if actualValues == nil && len(expectedValues) != 0 {
t.Fatalf("%d.%d(%s). Expected %s but got: %s\n", i, j, behavior.name, expectedValues, actualValues)
}
if expectedValues == nil {
if actualValues != nil {
t.Fatalf("%d.%d(%s). Expected nil values but got: %s\n", i, j, behavior.name, actualValues)
}
} else {
if len(expectedValues) != len(actualValues) {
t.Fatalf("%d.%d(%s). Expected length %d but got: %d\n", i, j, behavior.name, len(expectedValues), len(actualValues))
}
for k, actual := range actualValues {
expected := expectedValues[k]
if actual.Value != clientmodel.SampleValue(expected.value) {
t.Fatalf("%d.%d.%d(%s). Expected %v but got: %v\n", i, j, k, behavior.name, expected.value, actual.Value)
}
if actual.Timestamp.Year() != expected.year {
t.Fatalf("%d.%d.%d(%s). Expected %d but got: %d\n", i, j, k, behavior.name, expected.year, actual.Timestamp.Year())
}
if actual.Timestamp.Month() != expected.month {
t.Fatalf("%d.%d.%d(%s). Expected %d but got: %d\n", i, j, k, behavior.name, expected.month, actual.Timestamp.Month())
}
// XXX: Find problem here.
// Mismatches occur in this and have for a long time in the LevelDB
// case, however not im-memory.
//
// if actual.Timestamp.Day() != expected.day {
// t.Fatalf("%d.%d.%d(%s). Expected %d but got: %d\n", i, j, k, behavior.name, expected.day, actual.Timestamp.Day())
// }
// if actual.Timestamp.Hour() != expected.hour {
// t.Fatalf("%d.%d.%d(%s). Expected %d but got: %d\n", i, j, k, behavior.name, expected.hour, actual.Timestamp.Hour())
// }
}
}
}
}()
}
}
// Test Definitions Follow
func testMemoryGetValueAtTime(t test.Tester) {
persistenceMaker := func() (MetricPersistence, test.Closer) {
return NewMemorySeriesStorage(MemorySeriesOptions{}), test.NilCloser
}
GetValueAtTimeTests(persistenceMaker, t)
}
func TestMemoryGetValueAtTime(t *testing.T) {
testMemoryGetValueAtTime(t)
}
func BenchmarkMemoryGetValueAtTime(b *testing.B) {
for i := 0; i < b.N; i++ {
testMemoryGetValueAtTime(b)
}
}
func TestMemoryGetBoundaryValues(t *testing.T) {
testMemoryGetBoundaryValues(t)
}
func BenchmarkMemoryGetBoundaryValues(b *testing.B) {
for i := 0; i < b.N; i++ {
testMemoryGetBoundaryValues(b)
}
}
func testMemoryGetRangeValues(t test.Tester) {
persistenceMaker := func() (MetricPersistence, test.Closer) {
return NewMemorySeriesStorage(MemorySeriesOptions{}), test.NilCloser
}
GetRangeValuesTests(persistenceMaker, false, t)
}
func testMemoryGetBoundaryValues(t test.Tester) {
persistenceMaker := func() (MetricPersistence, test.Closer) {
return NewMemorySeriesStorage(MemorySeriesOptions{}), test.NilCloser
}
GetRangeValuesTests(persistenceMaker, true, t)
}
func TestMemoryGetRangeValues(t *testing.T) {
testMemoryGetRangeValues(t)
}
func BenchmarkMemoryGetRangeValues(b *testing.B) {
for i := 0; i < b.N; i++ {
testMemoryGetRangeValues(b)
}
}
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