telegraf/plugins/aggregators/valuecounter/valuecounter_test.go

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package valuecounter
import (
"testing"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/metric"
"github.com/influxdata/telegraf/testutil"
)
// Create a valuecounter with config
func NewTestValueCounter(fields []string) telegraf.Aggregator {
vc := &ValueCounter{
Fields: fields,
}
vc.Reset()
return vc
}
var m1, _ = metric.New("m1",
map[string]string{"foo": "bar"},
map[string]interface{}{
"status": 200,
"foobar": "bar",
},
time.Now(),
)
var m2, _ = metric.New("m1",
map[string]string{"foo": "bar"},
map[string]interface{}{
"status": "OK",
"ignoreme": "string",
"andme": true,
"boolfield": false,
},
time.Now(),
)
func BenchmarkApply(b *testing.B) {
vc := NewTestValueCounter([]string{"status"})
for n := 0; n < b.N; n++ {
vc.Add(m1)
vc.Add(m2)
}
}
// Test basic functionality
func TestBasic(t *testing.T) {
vc := NewTestValueCounter([]string{"status"})
acc := testutil.Accumulator{}
vc.Add(m1)
vc.Add(m2)
vc.Add(m1)
vc.Push(&acc)
expectedFields := map[string]interface{}{
"status_200": 2,
"status_OK": 1,
}
expectedTags := map[string]string{
"foo": "bar",
}
acc.AssertContainsTaggedFields(t, "m1", expectedFields, expectedTags)
}
// Test with multiple fields to count
func TestMultipleFields(t *testing.T) {
vc := NewTestValueCounter([]string{"status", "somefield", "boolfield"})
acc := testutil.Accumulator{}
vc.Add(m1)
vc.Add(m2)
vc.Add(m2)
vc.Add(m1)
vc.Push(&acc)
expectedFields := map[string]interface{}{
"status_200": 2,
"status_OK": 2,
"boolfield_false": 2,
}
expectedTags := map[string]string{
"foo": "bar",
}
acc.AssertContainsTaggedFields(t, "m1", expectedFields, expectedTags)
}
// Test with a reset between two runs
func TestWithReset(t *testing.T) {
vc := NewTestValueCounter([]string{"status"})
acc := testutil.Accumulator{}
vc.Add(m1)
vc.Add(m1)
vc.Add(m2)
vc.Push(&acc)
expectedFields := map[string]interface{}{
"status_200": 2,
"status_OK": 1,
}
expectedTags := map[string]string{
"foo": "bar",
}
acc.AssertContainsTaggedFields(t, "m1", expectedFields, expectedTags)
acc.ClearMetrics()
vc.Reset()
vc.Add(m2)
vc.Add(m2)
vc.Add(m1)
vc.Push(&acc)
expectedFields = map[string]interface{}{
"status_200": 1,
"status_OK": 2,
}
acc.AssertContainsTaggedFields(t, "m1", expectedFields, expectedTags)
}