telegraf/internal/models/running_aggregator_test.go

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package models
import (
"testing"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/require"
)
func TestAdd(t *testing.T) {
a := &TestAggregator{}
ra := NewRunningAggregator(a, &AggregatorConfig{
Name: "TestRunningAggregator",
Filter: Filter{
NamePass: []string{"*"},
},
Period: time.Millisecond * 500,
})
require.NoError(t, ra.Config.Filter.Compile())
acc := testutil.Accumulator{}
now := time.Now()
ra.UpdateWindow(now, now.Add(ra.Config.Period))
m := testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
time.Now().Add(time.Millisecond*150),
telegraf.Untyped)
require.False(t, ra.Add(m))
ra.Push(&acc)
require.Equal(t, 1, len(acc.Metrics))
require.Equal(t, int64(101), acc.Metrics[0].Fields["sum"])
}
func TestAddMetricsOutsideCurrentPeriod(t *testing.T) {
a := &TestAggregator{}
ra := NewRunningAggregator(a, &AggregatorConfig{
Name: "TestRunningAggregator",
Filter: Filter{
NamePass: []string{"*"},
},
Period: time.Millisecond * 500,
})
require.NoError(t, ra.Config.Filter.Compile())
acc := testutil.Accumulator{}
now := time.Now()
ra.UpdateWindow(now, now.Add(ra.Config.Period))
m := testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
now.Add(-time.Hour),
telegraf.Untyped,
)
require.False(t, ra.Add(m))
// metric after current period
m = testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
now.Add(time.Hour),
telegraf.Untyped,
)
require.False(t, ra.Add(m))
// "now" metric
m = testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
time.Now().Add(time.Millisecond*50),
telegraf.Untyped)
require.False(t, ra.Add(m))
ra.Push(&acc)
require.Equal(t, 1, len(acc.Metrics))
require.Equal(t, int64(101), acc.Metrics[0].Fields["sum"])
}
func TestAddMetricsOutsideCurrentPeriodWithGrace(t *testing.T) {
a := &TestAggregator{}
ra := NewRunningAggregator(a, &AggregatorConfig{
Name: "TestRunningAggregator",
Filter: Filter{
NamePass: []string{"*"},
},
Period: time.Millisecond * 1500,
Grace: time.Millisecond * 500,
})
require.NoError(t, ra.Config.Filter.Compile())
acc := testutil.Accumulator{}
now := time.Now()
ra.UpdateWindow(now, now.Add(ra.Config.Period))
m := testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
now.Add(-time.Hour),
telegraf.Untyped,
)
require.False(t, ra.Add(m))
// metric before current period (late)
m = testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(100),
},
now.Add(-time.Millisecond*1000),
telegraf.Untyped,
)
require.False(t, ra.Add(m))
// metric before current period, but within grace period (late)
m = testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(102),
},
now.Add(-time.Millisecond*200),
telegraf.Untyped,
)
require.False(t, ra.Add(m))
// "now" metric
m = testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
time.Now().Add(time.Millisecond*50),
telegraf.Untyped)
require.False(t, ra.Add(m))
ra.Push(&acc)
require.Equal(t, 1, len(acc.Metrics))
require.Equal(t, int64(203), acc.Metrics[0].Fields["sum"])
}
func TestAddAndPushOnePeriod(t *testing.T) {
a := &TestAggregator{}
ra := NewRunningAggregator(a, &AggregatorConfig{
Name: "TestRunningAggregator",
Filter: Filter{
NamePass: []string{"*"},
},
Period: time.Millisecond * 500,
})
require.NoError(t, ra.Config.Filter.Compile())
acc := testutil.Accumulator{}
now := time.Now()
ra.UpdateWindow(now, now.Add(ra.Config.Period))
m := testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
time.Now().Add(time.Millisecond*100),
telegraf.Untyped)
require.False(t, ra.Add(m))
ra.Push(&acc)
acc.AssertContainsFields(t, "TestMetric", map[string]interface{}{"sum": int64(101)})
}
func TestAddDropOriginal(t *testing.T) {
ra := NewRunningAggregator(&TestAggregator{}, &AggregatorConfig{
Name: "TestRunningAggregator",
Filter: Filter{
NamePass: []string{"RI*"},
},
DropOriginal: true,
})
require.NoError(t, ra.Config.Filter.Compile())
now := time.Now()
ra.UpdateWindow(now, now.Add(ra.Config.Period))
m := testutil.MustMetric("RITest",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
now,
telegraf.Untyped)
require.True(t, ra.Add(m))
// this metric name doesn't match the filter, so Add will return false
m2 := testutil.MustMetric("foobar",
map[string]string{},
map[string]interface{}{
"value": int64(101),
},
now,
telegraf.Untyped)
require.False(t, ra.Add(m2))
}
func TestAddDoesNotModifyMetric(t *testing.T) {
ra := NewRunningAggregator(&TestAggregator{}, &AggregatorConfig{
Name: "TestRunningAggregator",
Filter: Filter{
FieldPass: []string{"a"},
},
DropOriginal: true,
})
require.NoError(t, ra.Config.Filter.Compile())
now := time.Now()
m := testutil.MustMetric(
"cpu",
map[string]string{},
map[string]interface{}{
"a": int64(42),
"b": int64(42),
},
now)
expected := m.Copy()
ra.Add(m)
testutil.RequireMetricEqual(t, expected, m)
}
type TestAggregator struct {
sum int64
}
func (t *TestAggregator) Description() string { return "" }
func (t *TestAggregator) SampleConfig() string { return "" }
func (t *TestAggregator) Reset() {
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t.sum = 0
}
func (t *TestAggregator) Push(acc telegraf.Accumulator) {
acc.AddFields("TestMetric",
map[string]interface{}{"sum": t.sum},
map[string]string{},
)
}
func (t *TestAggregator) Add(in telegraf.Metric) {
for _, v := range in.Fields() {
if vi, ok := v.(int64); ok {
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t.sum += vi
}
}
}