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js: Migrate to ObservedMetric
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@codebien
codebien committed Feb 10, 2023
1 parent d43593b commit 2ad5e2e
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Showing 3 changed files with 146 additions and 60 deletions.
7 changes: 5 additions & 2 deletions js/summary.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import (
)

// Copied from https://github.com/k6io/jslib.k6.io/tree/master/lib/k6-summary
//
//go:embed summary.js
var jslibSummaryCode string //nolint:gochecknoglobals

Expand Down Expand Up @@ -89,17 +90,19 @@ func summarizeMetricsToObject(data *lib.Summary, options lib.Options, setupData
"values": getMetricValues(m.Sink, data.TestRunDuration),
}

if len(m.Thresholds.Thresholds) > 0 {
if len(m.Thresholds) > 0 {
thresholds := make(map[string]interface{})
for _, threshold := range m.Thresholds.Thresholds {
for _, threshold := range m.Thresholds {
thresholds[threshold.Source] = map[string]interface{}{
"ok": !threshold.LastFailed,
}
}
metricData["thresholds"] = thresholds
}

metricsData[name] = metricData
}

m["metrics"] = metricsData

var setupDataI interface{}
Expand Down
197 changes: 140 additions & 57 deletions js/summary_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -75,35 +75,40 @@ func TestTextSummary(t *testing.T) {
}
}

func TestTextSummaryWithSubMetrics(t *testing.T) {
func TestTextSummaryWithThresholdNoData(t *testing.T) {
t.Parallel()

registry := metrics.NewRegistry()
parentMetric, err := registry.NewMetric("my_parent", metrics.Counter)
parentMetric, err := registry.NewMetric("one", metrics.Counter)
require.NoError(t, err)
parentMetric.Sink.Add(metrics.Sample{Value: 11})

parentMetricPost, err := registry.NewMetric("my_parent_post", metrics.Counter)
parentMetricPost, err := registry.NewMetric("two", metrics.Counter)
require.NoError(t, err)
parentMetricPost.Sink.Add(metrics.Sample{Value: 22})

subMetric, err := parentMetric.AddSubmetric("sub:1")
require.NoError(t, err)
subMetric.Metric.Sink.Add(metrics.Sample{Value: 1})
parentMetricPostSink := metrics.NewSinkByType(parentMetricPost.Type)
parentMetricPostSink.Add(metrics.Sample{Value: 42})

subMetricPost, err := parentMetricPost.AddSubmetric("sub:2")
subMetric, err := parentMetric.AddSubmetric("tag:xyz")
require.NoError(t, err)
subMetricPost.Metric.Sink.Add(metrics.Sample{Value: 2})

metrics := map[string]*metrics.Metric{
parentMetric.Name: parentMetric,
parentMetricPost.Name: parentMetricPost,
subMetric.Name: subMetric.Metric,
subMetricPost.Name: subMetricPost.Metric,
observed := map[string]metrics.ObservedMetric{
parentMetric.Name: {
Metric: parentMetric,
Sink: metrics.NewSinkByType(parentMetric.Type),
},
parentMetricPost.Name: {
Metric: parentMetricPost,
Sink: parentMetricPostSink,
},
subMetric.Name: {
Metric: subMetric.Metric,
Sink: metrics.NewSinkByType(parentMetric.Type),
Thresholds: []metrics.Threshold{},
},
}

summary := &lib.Summary{
Metrics: metrics,
Metrics: observed,
RootGroup: &lib.Group{},
TestRunDuration: time.Second,
}
Expand All @@ -126,55 +131,122 @@ func TestTextSummaryWithSubMetrics(t *testing.T) {
summaryOut, err := ioutil.ReadAll(stdout)
require.NoError(t, err)

expected := " my_parent........: 11 11/s\n" +
" { sub:1 }......: 1 1/s\n" +
" my_parent_post...: 22 22/s\n" +
" { sub:2 }......: 2 2/s\n"
assert.Equal(t, "\n"+expected+"\n", string(summaryOut))
expected := "\n one.............: 0 0/s\n" +
" { tag:xyz }...: 0 0/s\n" +
" two.............: 42 42/s\n\n"

assert.Equal(t, expected, string(summaryOut))
}

func createTestMetrics(t *testing.T) (map[string]*metrics.Metric, *lib.Group) {
// func TestTextSummaryWithSubMetrics(t *testing.T) {
// t.Parallel()

// registry := metrics.NewRegistry()
// parentMetric, err := registry.NewMetric("my_parent", metrics.Counter)
// require.NoError(t, err)
// parentMetric.Sink.Add(metrics.Sample{Value: 11})

// parentMetricPost, err := registry.NewMetric("my_parent_post", metrics.Counter)
// require.NoError(t, err)
// parentMetricPost.Sink.Add(metrics.Sample{Value: 22})

// subMetric, err := parentMetric.AddSubmetric("sub:1")
// require.NoError(t, err)
// subMetric.Metric.Sink.Add(metrics.Sample{Value: 1})

// subMetricPost, err := parentMetricPost.AddSubmetric("sub:2")
// require.NoError(t, err)
// subMetricPost.Metric.Sink.Add(metrics.Sample{Value: 2})

//metrics := map[string]*metrics.Metric{
//parentMetric.Name: parentMetric,
//parentMetricPost.Name: parentMetricPost,
//subMetric.Name: subMetric.Metric,
//subMetricPost.Name: subMetricPost.Metric,
//}

//summary := &lib.Summary{
//Metrics: metrics,
//RootGroup: &lib.Group{},
//TestRunDuration: time.Second,
//}

//runner, err := getSimpleRunner(
//t,
//"/script.js",
//"exports.default = function() {/* we don't run this, metrics are mocked */};",
//lib.RuntimeOptions{CompatibilityMode: null.NewString("base", true)},
//)
//require.NoError(t, err)

// result, err := runner.HandleSummary(context.Background(), summary)
// require.NoError(t, err)

// require.Len(t, result, 1)
// stdout := result["stdout"]
// require.NotNil(t, stdout)

// summaryOut, err := ioutil.ReadAll(stdout)
// require.NoError(t, err)

//expected := " my_parent........: 11 11/s\n" +
//" { sub:1 }......: 1 1/s\n" +
//" my_parent_post...: 22 22/s\n" +
//" { sub:2 }......: 2 2/s\n"
//assert.Equal(t, "\n"+expected+"\n", string(summaryOut))
//}

func createTestMetrics(t *testing.T) (map[string]metrics.ObservedMetric, *lib.Group) {
registry := metrics.NewRegistry()
testMetrics := make(map[string]*metrics.Metric)
testMetrics := make(map[string]metrics.ObservedMetric)

gaugeMetric, err := registry.NewMetric("vus", metrics.Gauge)
require.NoError(t, err)
gaugeMetric.Sink.Add(metrics.Sample{Value: 1})

testMetrics[gaugeMetric.Name] = metrics.ObservedMetric{
Metric: gaugeMetric,
Sink: func() metrics.Sink {
s := metrics.NewSinkByType(gaugeMetric.Type)
s.Add(metrics.Sample{Value: 1})
return s
}(),
}

countMetric, err := registry.NewMetric("http_reqs", metrics.Counter)
require.NoError(t, err)
countMetric.Tainted = null.BoolFrom(true)
countMetric.Thresholds = metrics.Thresholds{Thresholds: []*metrics.Threshold{{Source: "rate<100", LastFailed: true}}}

checksMetric, err := registry.NewMetric("checks", metrics.Rate)
require.NoError(t, err)
checksMetric.Tainted = null.BoolFrom(false)
checksMetric.Thresholds = metrics.Thresholds{Thresholds: []*metrics.Threshold{{Source: "rate>70", LastFailed: false}}}
sink := &metrics.TrendSink{}

samples := []float64{10.0, 15.0, 20.0}
for _, s := range samples {
sink.Add(metrics.Sample{Value: s})
countMetric.Sink.Add(metrics.Sample{Value: 1})
testMetrics[countMetric.Name] = metrics.ObservedMetric{
Metric: countMetric,
Tainted: null.BoolFrom(true),
Sink: func() metrics.Sink {
s := metrics.NewSinkByType(countMetric.Type)
s.Add(metrics.Sample{Value: 3})
return s
}(),
Thresholds: []metrics.Threshold{{Source: "rate<100", LastFailed: true}},
}

testMetrics["vus"] = gaugeMetric
testMetrics["http_reqs"] = countMetric
testMetrics["checks"] = checksMetric
testMetrics["my_trend"] = &metrics.Metric{
Name: "my_trend",
Type: metrics.Trend,
Contains: metrics.Time,
Sink: sink,
Tainted: null.BoolFrom(true),
Thresholds: metrics.Thresholds{
Thresholds: []*metrics.Threshold{
{
Source: "my_trend<1000",
LastFailed: true,
},
testMetrics["my_trend"] = metrics.ObservedMetric{
Metric: &metrics.Metric{
Name: "my_trend",
Type: metrics.Trend,
Contains: metrics.Time,
},
Thresholds: []metrics.Threshold{
{
Source: "my_trend<1000",
LastFailed: true,
},
},
Sink: func() metrics.Sink {
sink := &metrics.TrendSink{}
samples := []float64{10.0, 15.0, 20.0}
for _, s := range samples {
sink.Add(metrics.Sample{Value: s})
}
return sink
}(),
Tainted: null.BoolFrom(true),
}

rootG, err := lib.NewGroup("", nil)
Expand All @@ -195,23 +267,34 @@ func createTestMetrics(t *testing.T) (map[string]*metrics.Metric, *lib.Group) {
check2.Passes = 5
check2.Fails = 10

checksMetric, err := registry.NewMetric("checks", metrics.Rate)
require.NoError(t, err)

checksSink := metrics.NewSinkByType(checksMetric.Type)
for i := 0; i < int(check1.Passes+check2.Passes+check3.Passes); i++ {
checksMetric.Sink.Add(metrics.Sample{Value: 1})
checksSink.Add(metrics.Sample{Value: 1})
}
for i := 0; i < int(check1.Fails+check2.Fails+check3.Fails); i++ {
checksMetric.Sink.Add(metrics.Sample{Value: 0})
checksSink.Add(metrics.Sample{Value: 0})
}

testMetrics["checks"] = metrics.ObservedMetric{
Metric: checksMetric,
Sink: checksSink,
Tainted: null.BoolFrom(false),
Thresholds: []metrics.Threshold{{Source: "rate>70", LastFailed: false}},
}

return testMetrics, rootG
}

func createTestSummary(t *testing.T) *lib.Summary {
metrics, rootG := createTestMetrics(t)
return &lib.Summary{
Metrics: metrics,
RootGroup: rootG,
sy := &lib.Summary{
TestRunDuration: time.Second,
}
sy.Metrics, sy.RootGroup = createTestMetrics(t)

return sy
}

const expectedOldJSONExportResult = `{
Expand Down
2 changes: 1 addition & 1 deletion lib/runner.go
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ type UIState struct {

// Summary contains all of the data the summary handler gets.
type Summary struct {
Metrics map[string]*metrics.Metric
Metrics map[string]metrics.ObservedMetric
RootGroup *Group
TestRunDuration time.Duration // TODO: use lib.ExecutionState-based interface instead?
NoColor bool // TODO: drop this when noColor is part of the (runtime) options
Expand Down

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