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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package telemetry
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
"go.amzn.com/lambda/interop"
"go.amzn.com/lambda/metering"
)
func TestGetRuntimeDoneInvokeMetrics(t *testing.T) {
now := metering.Monotime()
runtimeStartedTime := now
invokeResponseMetrics := &interop.InvokeResponseMetrics{
ProducedBytes: int64(100),
RuntimeCalledResponse: true,
}
runtimeDoneTime := now + int64(time.Millisecond*time.Duration(10))
expected := &interop.RuntimeDoneInvokeMetrics{
ProducedBytes: int64(100),
DurationMs: float64(10),
}
assert.Equal(t, expected, GetRuntimeDoneInvokeMetrics(runtimeStartedTime, invokeResponseMetrics, runtimeDoneTime))
}
func TestGetRuntimeDoneInvokeMetricsWhenRuntimeCalledError(t *testing.T) {
now := metering.Monotime()
runtimeStartedTime := now
invokeResponseMetrics := &interop.InvokeResponseMetrics{
ProducedBytes: int64(100),
RuntimeCalledResponse: false,
}
// validating microsecond precision
runtimeDoneTime := now + int64(time.Duration(10)*time.Millisecond+time.Duration(50)*time.Microsecond)
expected := &interop.RuntimeDoneInvokeMetrics{
ProducedBytes: int64(0),
DurationMs: float64(10.05),
}
assert.Equal(t, expected, GetRuntimeDoneInvokeMetrics(runtimeStartedTime, invokeResponseMetrics, runtimeDoneTime))
}
func TestGetRuntimeDoneInvokeMetricsWhenRuntimeStartedTimeIsMinusOne(t *testing.T) {
now := int64(-1)
runtimeStartedTime := now
runtimeDoneTime := now + int64(time.Millisecond*time.Duration(10))
expected := &interop.RuntimeDoneInvokeMetrics{
ProducedBytes: int64(0),
DurationMs: float64(0),
}
actual := GetRuntimeDoneInvokeMetrics(runtimeStartedTime, nil, runtimeDoneTime)
assert.Equal(t, expected, actual)
}
func TestGetRuntimeDoneInvokeMetricsWhenInvokeResponseMetricsIsNil(t *testing.T) {
now := metering.Monotime()
runtimeStartedTime := now
runtimeDoneTime := now + int64(time.Millisecond*time.Duration(10))
expected := &interop.RuntimeDoneInvokeMetrics{
ProducedBytes: int64(0),
DurationMs: float64(10),
}
assert.Equal(t, expected, GetRuntimeDoneInvokeMetrics(runtimeStartedTime, nil, runtimeDoneTime))
}
func TestGetRuntimeDoneSpans(t *testing.T) {
now := metering.Monotime()
startReadingResponseMonoTimeMs := now + int64(time.Millisecond*time.Duration(5))
finishReadingResponseMonoTimeMs := now + int64(time.Millisecond*time.Duration(7))
runtimeStartedTime := now
invokeResponseMetrics := &interop.InvokeResponseMetrics{
StartReadingResponseMonoTimeMs: startReadingResponseMonoTimeMs,
FinishReadingResponseMonoTimeMs: finishReadingResponseMonoTimeMs,
RuntimeCalledResponse: true,
}
expectedResponseLatencyMsStartTime := GetEpochTimeInISO8601FormatFromMonotime(now)
expectedResponseDurationMsStartTime := GetEpochTimeInISO8601FormatFromMonotime(startReadingResponseMonoTimeMs)
expected := []interop.Span{
{
Name: "responseLatency",
Start: expectedResponseLatencyMsStartTime,
DurationMs: 5,
},
{
Name: "responseDuration",
Start: expectedResponseDurationMsStartTime,
DurationMs: 2,
},
}
assert.Equal(t, expected, GetRuntimeDoneSpans(runtimeStartedTime, invokeResponseMetrics))
}
func TestGetRuntimeDoneSpansWhenRuntimeCalledError(t *testing.T) {
now := metering.Monotime()
startReadingResponseMonoTimeMs := now + int64(time.Millisecond*time.Duration(5))
finishReadingResponseMonoTimeMs := now + int64(time.Millisecond*time.Duration(7))
runtimeStartedTime := now
invokeResponseMetrics := &interop.InvokeResponseMetrics{
StartReadingResponseMonoTimeMs: startReadingResponseMonoTimeMs,
FinishReadingResponseMonoTimeMs: finishReadingResponseMonoTimeMs,
RuntimeCalledResponse: false,
}
assert.Equal(t, []interop.Span{}, GetRuntimeDoneSpans(runtimeStartedTime, invokeResponseMetrics))
}
func TestGetRuntimeDoneSpansWhenInvokeResponseMetricsNil(t *testing.T) {
runtimeStartedTime := metering.Monotime()
assert.Equal(t, []interop.Span{}, GetRuntimeDoneSpans(runtimeStartedTime, nil))
}
func TestGetRuntimeDoneSpansWhenRuntimeStartedTimeIsMinusOne(t *testing.T) {
now := int64(-1)
runtimeStartedTime := now
invokeResponseMetrics := &interop.InvokeResponseMetrics{
StartReadingResponseMonoTimeMs: now + int64(time.Millisecond*time.Duration(5)),
FinishReadingResponseMonoTimeMs: now + int64(time.Millisecond*time.Duration(7)),
}
assert.Equal(t, []interop.Span{}, GetRuntimeDoneSpans(runtimeStartedTime, invokeResponseMetrics))
}
func TestInferInitType(t *testing.T) {
testCases := map[string]struct {
initCachingEnabled bool
sandboxType interop.SandboxType
expected interop.InitType
}{
"on demand": {
initCachingEnabled: false,
sandboxType: interop.SandboxClassic,
expected: InitTypeOnDemand,
},
"pc": {
initCachingEnabled: false,
sandboxType: interop.SandboxPreWarmed,
expected: InitTypeProvisionedConcurrency,
},
"snap-start for OD": {
initCachingEnabled: true,
sandboxType: interop.SandboxClassic,
expected: InitTypeInitCaching,
},
"snap-start for PC": {
initCachingEnabled: true,
sandboxType: interop.SandboxPreWarmed,
expected: InitTypeInitCaching,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
initType := InferInitType(tc.initCachingEnabled, tc.sandboxType)
assert.Equal(t, tc.expected, initType)
})
}
}
func TestCalculateDuration(t *testing.T) {
testCases := map[string]struct {
start int64
end int64
expected float64
}{
"milliseconds only": {
start: int64(100 * time.Millisecond),
end: int64(120 * time.Millisecond),
expected: 20,
},
"with microseconds": {
start: int64(100 * time.Millisecond),
end: int64(210*time.Millisecond + 65*time.Microsecond),
expected: 110.065,
},
"nanoseconds must be dropped": {
start: int64(100 * time.Millisecond),
end: int64(140*time.Millisecond + 999*time.Nanosecond),
expected: 40,
},
"microseconds presented, nanoseconds dropped": {
start: int64(100 * time.Millisecond),
end: int64(150*time.Millisecond + 2*time.Microsecond + 999*time.Nanosecond),
expected: 50.002,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
actual := CalculateDuration(tc.start, tc.end)
assert.Equal(t, tc.expected, actual)
})
}
}