client_golang/extraction/processor0_0_2_test.go

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// Copyright 2013 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 extraction
import (
"bytes"
"errors"
"io/ioutil"
"os"
"path"
"runtime"
"sort"
"testing"
"github.com/prometheus/client_golang/model"
)
var test002Time = model.Now()
type testProcessor002ProcessScenario struct {
in string
expected, actual []model.Samples
err error
}
func (s *testProcessor002ProcessScenario) Ingest(samples model.Samples) error {
s.actual = append(s.actual, samples)
return nil
}
func (s *testProcessor002ProcessScenario) test(t testing.TB, set int) {
reader, err := os.Open(path.Join("fixtures", s.in))
if err != nil {
t.Fatalf("%d. couldn't open scenario input file %s: %s", set, s.in, err)
}
options := &ProcessOptions{
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Timestamp: test002Time,
}
err = Processor002.ProcessSingle(reader, s, options)
if s.err != err && (s.err == nil || err == nil || err.Error() != s.err.Error()) {
t.Fatalf("%d. expected err of %s, got %s", set, s.err, err)
}
if len(s.actual) != len(s.expected) {
t.Fatalf("%d. expected output length of %d, got %d", set, len(s.expected), len(s.actual))
}
for i, expected := range s.expected {
sort.Sort(s.actual[i])
sort.Sort(expected)
if !expected.Equal(s.actual[i]) {
t.Fatalf("%d.%d. expected %s, got %s", set, i, expected, s.actual[i])
}
}
}
func testProcessor002Process(t testing.TB) {
var scenarios = []testProcessor002ProcessScenario{
{
in: "empty.json",
err: errors.New("EOF"),
},
{
in: "test0_0_1-0_0_2.json",
expected: []model.Samples{
model.Samples{
&model.Sample{
Metric: model.Metric{"service": "zed", model.MetricNameLabel: "rpc_calls_total", "job": "batch_job"},
Value: 25,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"service": "bar", model.MetricNameLabel: "rpc_calls_total", "job": "batch_job"},
Value: 25,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"service": "foo", model.MetricNameLabel: "rpc_calls_total", "job": "batch_job"},
Value: 25,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.010000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "zed"},
Value: 0.0459814091918713,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.010000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "bar"},
Value: 78.48563317257356,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.010000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "foo"},
Value: 15.890724674774395,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.050000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "zed"},
Value: 0.0459814091918713,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.050000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "bar"},
Value: 78.48563317257356,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.050000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "foo"},
Value: 15.890724674774395,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.500000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "zed"},
Value: 0.6120456642749681,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.500000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "bar"},
Value: 97.31798360385088,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.500000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "foo"},
Value: 84.63044031436561,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.900000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "zed"},
Value: 1.355915069887731,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.900000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "bar"},
Value: 109.89202084295582,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.900000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "foo"},
Value: 160.21100853053224,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.990000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "zed"},
Value: 1.772733213161236,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.990000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "bar"},
Value: 109.99626121011262,
Timestamp: test002Time,
},
&model.Sample{
Metric: model.Metric{"percentile": "0.990000", model.MetricNameLabel: "rpc_latency_microseconds", "service": "foo"},
Value: 172.49828748957728,
Timestamp: test002Time,
},
},
},
},
}
for i, scenario := range scenarios {
scenario.test(t, i)
}
}
func TestProcessor002Process(t *testing.T) {
testProcessor002Process(t)
}
func BenchmarkProcessor002Process(b *testing.B) {
b.StopTimer()
pre := runtime.MemStats{}
runtime.ReadMemStats(&pre)
b.StartTimer()
for i := 0; i < b.N; i++ {
testProcessor002Process(b)
}
post := runtime.MemStats{}
runtime.ReadMemStats(&post)
allocated := post.TotalAlloc - pre.TotalAlloc
b.Logf("Allocated %d at %f per cycle with %d cycles.", allocated, float64(allocated)/float64(b.N), b.N)
}
func BenchmarkProcessor002ParseOnly(b *testing.B) {
b.StopTimer()
data, err := ioutil.ReadFile("fixtures/test0_0_1-0_0_2-large.json")
if err != nil {
b.Fatal(err)
}
ing := fakeIngester{}
b.StartTimer()
for i := 0; i < b.N; i++ {
if err := Processor002.ProcessSingle(bytes.NewReader(data), ing, &ProcessOptions{}); err != nil {
b.Fatal(err)
}
}
}
type fakeIngester struct{}
func (i fakeIngester) Ingest(model.Samples) error {
return nil
}