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aggregator_test.go
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aggregator_test.go
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package health
import (
"errors"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestNewAggregator(t *testing.T) {
a := newAggregator(time.Minute, time.Minute*5)
assert.Equal(t, time.Minute, a.intervalDuration)
assert.Equal(t, time.Minute*5, a.retain)
assert.Equal(t, 5, a.maxIntervals)
assert.Equal(t, 0, len(a.intervalAggregations))
assert.NotNil(t, a.intervalAggregations)
}
func TestEmitEvent(t *testing.T) {
// Set time, and do a single event
setNowMock("2011-09-09T23:36:13Z")
defer resetNowMock()
a := newAggregator(time.Minute, time.Minute*5)
a.EmitEvent("foo", "bar")
assert.Equal(t, 1, len(a.intervalAggregations))
intAgg := a.intervalAggregations[0]
assert.NotNil(t, intAgg.Events)
assert.EqualValues(t, 1, intAgg.Events["bar"])
assert.EqualValues(t, 1, intAgg.SerialNumber)
assert.NotNil(t, intAgg.Jobs)
jobAgg := intAgg.Jobs["foo"]
assert.NotNil(t, jobAgg)
assert.NotNil(t, jobAgg.Events)
assert.EqualValues(t, 1, jobAgg.Events["bar"])
// Now, without changing the time, we'll do 3 more events:
a.EmitEvent("foo", "bar") // duplicate to above
a.EmitEvent("foo", "baz") // same job, diff event
a.EmitEvent("wat", "bar") // diff job, same event
assert.Equal(t, 1, len(a.intervalAggregations))
intAgg = a.intervalAggregations[0]
assert.EqualValues(t, 3, intAgg.Events["bar"])
assert.EqualValues(t, 4, intAgg.SerialNumber)
jobAgg = intAgg.Jobs["foo"]
assert.EqualValues(t, 2, jobAgg.Events["bar"])
assert.EqualValues(t, 1, jobAgg.Events["baz"])
jobAgg = intAgg.Jobs["wat"]
assert.NotNil(t, jobAgg)
assert.EqualValues(t, 1, jobAgg.Events["bar"])
// Now we'll increment time and do one more event:
setNowMock("2011-09-09T23:37:01Z")
a.EmitEvent("foo", "bar")
assert.Equal(t, 2, len(a.intervalAggregations))
// make sure old values don't change:
intAgg = a.intervalAggregations[0]
assert.EqualValues(t, 3, intAgg.Events["bar"])
assert.EqualValues(t, 4, intAgg.SerialNumber)
intAgg = a.intervalAggregations[1]
assert.EqualValues(t, 1, intAgg.Events["bar"])
assert.EqualValues(t, 1, intAgg.SerialNumber)
}
func TestEmitEventErr(t *testing.T) {
setNowMock("2011-09-09T23:36:13Z")
defer resetNowMock()
a := newAggregator(time.Minute, time.Minute*5)
a.EmitEventErr("foo", "bar", errors.New("wat"))
assert.Equal(t, 1, len(a.intervalAggregations))
intAgg := a.intervalAggregations[0]
assert.NotNil(t, intAgg.EventErrs)
ce := intAgg.EventErrs["bar"]
assert.NotNil(t, ce)
assert.EqualValues(t, 1, ce.Count)
assert.Equal(t, []error{errors.New("wat")}, ce.getErrorSamples())
assert.EqualValues(t, 1, intAgg.SerialNumber)
assert.NotNil(t, intAgg.Jobs)
jobAgg := intAgg.Jobs["foo"]
assert.NotNil(t, jobAgg)
assert.NotNil(t, jobAgg.EventErrs)
ce = jobAgg.EventErrs["bar"]
assert.EqualValues(t, 1, ce.Count)
assert.Equal(t, []error{errors.New("wat")}, ce.getErrorSamples())
// One more event with the same error:
a.EmitEventErr("foo", "bar", errors.New("wat"))
intAgg = a.intervalAggregations[0]
ce = intAgg.EventErrs["bar"]
assert.EqualValues(t, 2, ce.Count)
assert.Equal(t, []error{errors.New("wat")}, ce.getErrorSamples()) // doesn't change
// One more event with diff error:
a.EmitEventErr("foo", "bar", errors.New("lol"))
intAgg = a.intervalAggregations[0]
ce = intAgg.EventErrs["bar"]
assert.EqualValues(t, 3, ce.Count)
assert.Equal(t, []error{errors.New("wat"), errors.New("lol")}, ce.getErrorSamples()) // new error added
}
func TestEmitTiming(t *testing.T) {
setNowMock("2011-09-09T23:36:13Z")
defer resetNowMock()
a := newAggregator(time.Minute, time.Minute*5)
a.EmitTiming("foo", "bar", 100)
assert.Equal(t, 1, len(a.intervalAggregations))
intAgg := a.intervalAggregations[0]
assert.NotNil(t, intAgg.Timers)
assert.EqualValues(t, 1, intAgg.SerialNumber)
tAgg := intAgg.Timers["bar"]
assert.NotNil(t, tAgg)
assert.EqualValues(t, 1, tAgg.Count)
assert.EqualValues(t, 100, tAgg.NanosSum)
assert.EqualValues(t, 10000, tAgg.NanosSumSquares)
assert.EqualValues(t, 100, tAgg.NanosMin)
assert.EqualValues(t, 100, tAgg.NanosMax)
assert.NotNil(t, intAgg.Jobs)
jobAgg := intAgg.Jobs["foo"]
assert.NotNil(t, jobAgg)
assert.NotNil(t, jobAgg.Timers)
tAgg = jobAgg.Timers["bar"]
assert.EqualValues(t, 1, tAgg.Count)
assert.EqualValues(t, 100, tAgg.NanosSum)
assert.EqualValues(t, 10000, tAgg.NanosSumSquares)
assert.EqualValues(t, 100, tAgg.NanosMin)
assert.EqualValues(t, 100, tAgg.NanosMax)
// Another timing:
a.EmitTiming("baz", "bar", 9) // note: diff job
intAgg = a.intervalAggregations[0]
tAgg = intAgg.Timers["bar"]
assert.NotNil(t, tAgg)
assert.EqualValues(t, 2, tAgg.Count)
assert.EqualValues(t, 109, tAgg.NanosSum)
assert.EqualValues(t, 10081, tAgg.NanosSumSquares)
assert.EqualValues(t, 9, tAgg.NanosMin)
assert.EqualValues(t, 100, tAgg.NanosMax)
jobAgg = intAgg.Jobs["baz"]
tAgg = jobAgg.Timers["bar"]
assert.EqualValues(t, 1, tAgg.Count)
assert.EqualValues(t, 9, tAgg.NanosSum)
assert.EqualValues(t, 81, tAgg.NanosSumSquares)
assert.EqualValues(t, 9, tAgg.NanosMin)
assert.EqualValues(t, 9, tAgg.NanosMax)
}
func TestEmitGauge(t *testing.T) {
setNowMock("2011-09-09T23:36:13Z")
defer resetNowMock()
a := newAggregator(time.Minute, time.Minute*5)
a.EmitGauge("foo", "bar", 100)
assert.Equal(t, 1, len(a.intervalAggregations))
intAgg := a.intervalAggregations[0]
assert.NotNil(t, intAgg.Gauges)
assert.EqualValues(t, 1, intAgg.SerialNumber)
v, ok := intAgg.Gauges["bar"]
assert.True(t, ok)
assert.Equal(t, 100.0, v)
assert.NotNil(t, intAgg.Jobs)
jobAgg := intAgg.Jobs["foo"]
assert.NotNil(t, jobAgg)
assert.NotNil(t, jobAgg.Gauges)
v, ok = intAgg.Gauges["bar"]
assert.True(t, ok)
assert.Equal(t, 100.0, v)
// Another gauge:
a.EmitGauge("baz", "bar", 3.14) // note: diff job
intAgg = a.intervalAggregations[0]
v, ok = intAgg.Gauges["bar"]
assert.True(t, ok)
assert.Equal(t, 3.14, v)
jobAgg = intAgg.Jobs["baz"]
v, ok = intAgg.Gauges["bar"]
assert.True(t, ok)
assert.Equal(t, 3.14, v)
}
func TestEmitComplete(t *testing.T) {
setNowMock("2011-09-09T23:36:13Z")
defer resetNowMock()
a := newAggregator(time.Minute, time.Minute*5)
a.EmitComplete("foo", Success, 100)
a.EmitComplete("foo", ValidationError, 5)
a.EmitComplete("foo", Panic, 9)
a.EmitComplete("foo", Error, 7)
a.EmitComplete("foo", Junk, 11)
assert.Equal(t, 1, len(a.intervalAggregations))
intAgg := a.intervalAggregations[0]
assert.EqualValues(t, 5, intAgg.SerialNumber)
jobAgg := intAgg.Jobs["foo"]
assert.NotNil(t, jobAgg)
assert.EqualValues(t, 5, jobAgg.Count)
assert.EqualValues(t, 1, jobAgg.CountSuccess)
assert.EqualValues(t, 1, jobAgg.CountValidationError)
assert.EqualValues(t, 1, jobAgg.CountPanic)
assert.EqualValues(t, 1, jobAgg.CountError)
assert.EqualValues(t, 1, jobAgg.CountJunk)
assert.EqualValues(t, 132, jobAgg.NanosSum)
assert.EqualValues(t, 10276, jobAgg.NanosSumSquares)
assert.EqualValues(t, 5, jobAgg.NanosMin)
assert.EqualValues(t, 100, jobAgg.NanosMax)
}
func TestRotation(t *testing.T) {
defer resetNowMock()
a := newAggregator(time.Minute, time.Minute*5)
setNowMock("2011-09-09T23:36:13Z")
a.EmitEvent("foo", "bar")
setNowMock("2011-09-09T23:37:13Z")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
setNowMock("2011-09-09T23:38:13Z")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
setNowMock("2011-09-09T23:39:13Z")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
setNowMock("2011-09-09T23:40:13Z")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
a.EmitEvent("foo", "bar")
assert.Equal(t, 5, len(a.intervalAggregations))
for i := 0; i < 5; i++ {
intAgg := a.intervalAggregations[i]
assert.EqualValues(t, i+1, intAgg.Events["bar"])
}
setNowMock("2011-09-09T23:41:13Z")
a.EmitEvent("foo", "ok")
assert.Equal(t, 5, len(a.intervalAggregations))
for i := 0; i < 4; i++ {
intAgg := a.intervalAggregations[i]
assert.EqualValues(t, i+2, intAgg.Events["bar"])
}
intAgg := a.intervalAggregations[4]
assert.EqualValues(t, 0, intAgg.Events["bar"])
assert.EqualValues(t, 1, intAgg.Events["ok"])
}