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How to use runNoTaint method of metrics Package

Best K6 code snippet using metrics.runNoTaint

thresholds_test.go

Source:thresholds_test.go

...40	assert.Equal(t, abortOnFail, gotThreshold.AbortOnFail)41	assert.Equal(t, gracePeriod, gotThreshold.AbortGracePeriod)42	assert.Nil(t, gotThreshold.parsed)43}44func TestThreshold_runNoTaint(t *testing.T) {45	t.Parallel()46	tests := []struct {47		name             string48		parsed           *thresholdExpression49		abortGracePeriod types.NullDuration50		sinks            map[string]float6451		wantOk           bool52		wantErr          bool53	}{54		{55			name:             "valid expression using the > operator over passing threshold",56			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenGreater, 0.01},57			abortGracePeriod: types.NullDurationFrom(0 * time.Second),58			sinks:            map[string]float64{"rate": 1},59			wantOk:           true,60			wantErr:          false,61		},62		{63			name:             "valid expression using the > operator over passing threshold and defined abort grace period",64			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenGreater, 0.01},65			abortGracePeriod: types.NullDurationFrom(2 * time.Second),66			sinks:            map[string]float64{"rate": 1},67			wantOk:           true,68			wantErr:          false,69		},70		{71			name:             "valid expression using the >= operator over passing threshold",72			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenGreaterEqual, 0.01},73			abortGracePeriod: types.NullDurationFrom(0 * time.Second),74			sinks:            map[string]float64{"rate": 0.01},75			wantOk:           true,76			wantErr:          false,77		},78		{79			name:             "valid expression using the <= operator over passing threshold",80			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenLessEqual, 0.01},81			abortGracePeriod: types.NullDurationFrom(0 * time.Second),82			sinks:            map[string]float64{"rate": 0.01},83			wantOk:           true,84			wantErr:          false,85		},86		{87			name:             "valid expression using the < operator over passing threshold",88			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenLess, 0.01},89			abortGracePeriod: types.NullDurationFrom(0 * time.Second),90			sinks:            map[string]float64{"rate": 0.00001},91			wantOk:           true,92			wantErr:          false,93		},94		{95			name:             "valid expression using the == operator over passing threshold",96			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenLooselyEqual, 0.01},97			abortGracePeriod: types.NullDurationFrom(0 * time.Second),98			sinks:            map[string]float64{"rate": 0.01},99			wantOk:           true,100			wantErr:          false,101		},102		{103			name:             "valid expression using the === operator over passing threshold",104			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenStrictlyEqual, 0.01},105			abortGracePeriod: types.NullDurationFrom(0 * time.Second),106			sinks:            map[string]float64{"rate": 0.01},107			wantOk:           true,108			wantErr:          false,109		},110		{111			name:             "valid expression using != operator over passing threshold",112			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenBangEqual, 0.01},113			abortGracePeriod: types.NullDurationFrom(0 * time.Second),114			sinks:            map[string]float64{"rate": 0.02},115			wantOk:           true,116			wantErr:          false,117		},118		{119			name:             "valid expression over failing threshold",120			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenGreater, 0.01},121			abortGracePeriod: types.NullDurationFrom(0 * time.Second),122			sinks:            map[string]float64{"rate": 0.00001},123			wantOk:           false,124			wantErr:          false,125		},126		{127			name:             "valid expression over non-existing sink",128			parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenGreater, 0.01},129			abortGracePeriod: types.NullDurationFrom(0 * time.Second),130			sinks:            map[string]float64{"med": 27.2},131			wantOk:           false,132			wantErr:          true,133		},134		{135			// The ParseThresholdCondition constructor should ensure that no invalid136			// operator gets through, but let's protect our future selves anyhow.137			name:             "invalid expression operator",138			parsed:           &thresholdExpression{tokenRate, null.Float{}, "&", 0.01},139			abortGracePeriod: types.NullDurationFrom(0 * time.Second),140			sinks:            map[string]float64{"rate": 0.00001},141			wantOk:           false,142			wantErr:          true,143		},144	}145	for _, testCase := range tests {146		testCase := testCase147		t.Run(testCase.name, func(t *testing.T) {148			t.Parallel()149			threshold := &Threshold{150				LastFailed:       false,151				AbortOnFail:      false,152				AbortGracePeriod: testCase.abortGracePeriod,153				parsed:           testCase.parsed,154			}155			gotOk, gotErr := threshold.runNoTaint(testCase.sinks)156			assert.Equal(t,157				testCase.wantErr,158				gotErr != nil,159				"Threshold.runNoTaint() error = %v, wantErr %v", gotErr, testCase.wantErr,160			)161			assert.Equal(t,162				testCase.wantOk,163				gotOk,164				"Threshold.runNoTaint() gotOk = %v, want %v", gotOk, testCase.wantOk,165			)166		})167	}168}169func BenchmarkRunNoTaint(b *testing.B) {170	threshold := &Threshold{171		Source:           "rate>0.01",172		LastFailed:       false,173		AbortOnFail:      false,174		AbortGracePeriod: types.NullDurationFrom(2 * time.Second),175		parsed:           &thresholdExpression{tokenRate, null.Float{}, tokenGreater, 0.01},176	}177	sinks := map[string]float64{"rate": 1}178	b.ResetTimer()179	for i := 0; i < b.N; i++ {180		threshold.runNoTaint(sinks) // nolint181	}182}183func TestThresholdRun(t *testing.T) {184	t.Parallel()185	t.Run("true", func(t *testing.T) {186		t.Parallel()187		sinks := map[string]float64{"rate": 0.0001}188		parsed, parseErr := parseThresholdExpression("rate<0.01")189		require.NoError(t, parseErr)190		threshold := newThreshold(`rate<0.01`, false, types.NullDuration{})191		threshold.parsed = parsed192		t.Run("no taint", func(t *testing.T) {193			b, err := threshold.runNoTaint(sinks)194			assert.NoError(t, err)195			assert.True(t, b)196			assert.False(t, threshold.LastFailed)197		})198		t.Run("taint", func(t *testing.T) {199			t.Parallel()200			b, err := threshold.run(sinks)201			assert.NoError(t, err)202			assert.True(t, b)203			assert.False(t, threshold.LastFailed)204		})205	})206	t.Run("false", func(t *testing.T) {207		t.Parallel()208		sinks := map[string]float64{"rate": 1}209		parsed, parseErr := parseThresholdExpression("rate<0.01")210		require.NoError(t, parseErr)211		threshold := newThreshold(`rate<0.01`, false, types.NullDuration{})212		threshold.parsed = parsed213		t.Run("no taint", func(t *testing.T) {214			b, err := threshold.runNoTaint(sinks)215			assert.NoError(t, err)216			assert.False(t, b)217			assert.False(t, threshold.LastFailed)218		})219		t.Run("taint", func(t *testing.T) {220			b, err := threshold.run(sinks)221			assert.NoError(t, err)222			assert.False(t, b)223			assert.True(t, threshold.LastFailed)224		})225	})226}227func TestThresholdsParse(t *testing.T) {228	t.Parallel()...

thresholds.go

Source:thresholds.go

...50		AbortGracePeriod: gracePeriod,51		parsed:           nil,52	}53}54func (t *Threshold) runNoTaint(sinks map[string]float64) (bool, error) {55	// Extract the sink value for the aggregation method used in the threshold56	// expression57	lhs, ok := sinks[t.parsed.SinkKey()]58	if !ok {59		return false, fmt.Errorf("unable to apply threshold %s over metrics; reason: "+60			"no metric supporting the %s aggregation method found",61			t.Source,62			t.parsed.AggregationMethod)63	}64	// Apply the threshold expression operator to the left and65	// right hand side values66	var passes bool67	switch t.parsed.Operator {68	case ">":69		passes = lhs > t.parsed.Value70	case ">=":71		passes = lhs >= t.parsed.Value72	case "<=":73		passes = lhs <= t.parsed.Value74	case "<":75		passes = lhs < t.parsed.Value76	case "==", "===":77		// Considering a sink always maps to float64 values,78		// strictly equal is equivalent to loosely equal79		passes = lhs == t.parsed.Value80	case "!=":81		passes = lhs != t.parsed.Value82	default:83		// The parseThresholdExpression function should ensure that no invalid84		// operator gets through, but let's protect our future selves anyhow.85		return false, fmt.Errorf("unable to apply threshold %s over metrics; "+86			"reason: %s is an invalid operator",87			t.Source,88			t.parsed.Operator,89		)90	}91	// Perform the actual threshold verification92	return passes, nil93}94func (t *Threshold) run(sinks map[string]float64) (bool, error) {95	passes, err := t.runNoTaint(sinks)96	t.LastFailed = !passes97	return passes, err98}99type thresholdConfig struct {100	Threshold        string             `json:"threshold"`101	AbortOnFail      bool               `json:"abortOnFail"`102	AbortGracePeriod types.NullDuration `json:"delayAbortEval"`103}104// used internally for JSON marshalling105type rawThresholdConfig thresholdConfig106func (tc *thresholdConfig) UnmarshalJSON(data []byte) error {107	// shortcircuit unmarshalling for simple string format108	if err := json.Unmarshal(data, &tc.Threshold); err == nil {109		return nil...

runNoTaint

Using AI Code Generation

1import (2func main() {3	mc := memcache.New("localhost:11211")4	err := mc.Set(&memcache.Item{Key: "foo", Value: []byte("bar")})5	if err != nil {6		log.Fatal(err)7	}8	item, err := mc.Get("foo")9	if err != nil {10		log.Fatal(err)11	}12	fmt.Printf("The value of 'foo' is: %s13	metrics := newMetrics(mc)14	prometheus.MustRegister(metrics)15	http.Handle("/metrics", promhttp.Handler())16	log.Fatal(http.ListenAndServe(":8080", nil))17}18type metrics struct {

runNoTaint

Using AI Code Generation

1import (2func main() {3    fmt.Println(stringutil.Reverse("Hello, world"))4}5import (6func main() {7    fmt.Println(stringutil.Reverse("Hello, world"))8}9import (10func main() {11    fmt.Println(stringutil.Reverse("Hello, world"))12}13./1.go:8: cannot use metrics (type *Metrics) as type Metrics in argument to stringutil.Reverse14./1.go:8: cannot use metrics (type *Metrics) as type *Metrics in argument to stringutil.Reverse15func (m *Metrics) runNoTaint() {16    fmt.Println("runNoTaint")17}18func (m *Metrics) runTaint() {19    fmt.Println("runTaint")20}21import (22type Foo struct {23}24func NewFoo(c *Client) *Foo {25    return &Foo{26    }27}28func (f *Foo) Bar() {29    resp, err := f.client.DoSomething()30    if err != nil {31        log.Fatal(err)32    }33    fmt.Println(resp)34}35type Client struct {36}37func (c *Client) DoSomething() (string

runNoTaint

Using AI Code Generation

1import (2func main() {3 fd := flowdynamics.New()4 m := metrics.New()5 flow := fd.NewFlow()6 fd.AddFlow(flow)

runNoTaint

Using AI Code Generation

1import (2func main() {3	m := metrics.New()4	c := m.NewCounter("counter1")5	c.Incr(1)6	fmt.Println(c.Count())7	g := m.NewGauge("gauge1")8	g.Update(10)9	fmt.Println(g.Value())10	h := m.NewHistogram("histogram1")11	h.Update(5)12	fmt.Println(h.Mean())13	mt := m.NewMeter("meter1")14	mt.Mark(1)15	fmt.Println(mt.Rate1())16	t := m.NewTimer("timer1")17	t.Update(1)18	fmt.Println(t.Mean())19	m.PrintAll()20	m.PrintAllJSON()21	m.PrintAllCSV()22	m.PrintAllGraphite()23	m.PrintAllInfluxDB()24	m.PrintAllOpenTSDB()25	m.PrintAllPrometheus()26	m.PrintAllStatsD()27	m.PrintAllYAML()28	m.PrintAllXML()29	m.PrintAllCustom()30	m.PrintAllCustom2()31	m.PrintAllCustom3()

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