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K6
metrics
TestNewThreshold

How to use TestNewThreshold method of metrics Package

Best K6 code snippet using metrics.TestNewThreshold

thresholds_test.go

Source:thresholds_test.go

...28	"go.k6.io/k6/errext/exitcodes"29	"go.k6.io/k6/lib/types"30	"gopkg.in/guregu/null.v3"31)32func TestNewThreshold(t *testing.T) {33	t.Parallel()34	src := `rate<0.01`35	abortOnFail := false36	gracePeriod := types.NullDurationFrom(2 * time.Second)37	gotThreshold := newThreshold(src, abortOnFail, gracePeriod)38	assert.Equal(t, src, gotThreshold.Source)39	assert.False(t, gotThreshold.LastFailed)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()229	t.Run("valid threshold expressions", func(t *testing.T) {230		t.Parallel()231		// Prepare a Thresholds collection containing syntaxically232		// correct thresholds233		ts := Thresholds{234			Thresholds: []*Threshold{235				newThreshold("rate<1", false, types.NullDuration{}),236			},237		}238		// Collect the result of the parsing operation239		gotErr := ts.Parse()240		assert.NoError(t, gotErr, "Parse shouldn't fail parsing valid expressions")241		assert.Condition(t, func() bool {242			for _, threshold := range ts.Thresholds {243				if threshold.parsed == nil {244					return false245				}246			}247			return true248		}, "Parse did not fail, but some Thresholds' parsed field is left empty")249	})250	t.Run("invalid threshold expressions", func(t *testing.T) {251		t.Parallel()252		// Prepare a Thresholds collection containing syntaxically253		// correct thresholds254		ts := Thresholds{255			Thresholds: []*Threshold{256				newThreshold("foo&1", false, types.NullDuration{}),257			},258		}259		// Collect the result of the parsing operation260		gotErr := ts.Parse()261		assert.Error(t, gotErr, "Parse should fail parsing invalid expressions")262		assert.Condition(t, func() bool {263			for _, threshold := range ts.Thresholds {264				if threshold.parsed == nil {265					return true266				}267			}268			return false269		}, "Parse failed, but some Thresholds' parsed field was not empty")270	})271	t.Run("mixed valid/invalid threshold expressions", func(t *testing.T) {272		t.Parallel()273		// Prepare a Thresholds collection containing syntaxically274		// correct thresholds275		ts := Thresholds{276			Thresholds: []*Threshold{277				newThreshold("rate<1", false, types.NullDuration{}),278				newThreshold("foo&1", false, types.NullDuration{}),279			},280		}281		// Collect the result of the parsing operation282		gotErr := ts.Parse()283		assert.Error(t, gotErr, "Parse should fail parsing invalid expressions")284		assert.Condition(t, func() bool {285			for _, threshold := range ts.Thresholds {286				if threshold.parsed == nil {287					return true288				}289			}290			return false291		}, "Parse failed, but some Thresholds' parsed field was not empty")292	})293}294func TestThresholdsValidate(t *testing.T) {295	t.Parallel()296	t.Run("validating thresholds applied to a non existing metric fails", func(t *testing.T) {297		t.Parallel()298		testRegistry := NewRegistry()299		// Prepare a Thresholds collection containing syntaxically300		// correct thresholds301		ts := Thresholds{302			Thresholds: []*Threshold{303				newThreshold("rate<1", false, types.NullDuration{}),304			},305		}306		parseErr := ts.Parse()307		require.NoError(t, parseErr)308		var wantErr errext.HasExitCode309		// Collect the result of the parsing operation310		gotErr := ts.Validate("non-existing", testRegistry)311		assert.Error(t, gotErr)312		assert.ErrorIs(t, gotErr, ErrInvalidThreshold)313		assert.ErrorAs(t, gotErr, &wantErr)314		assert.Equal(t, exitcodes.InvalidConfig, wantErr.ExitCode())315	})316	t.Run("validating unparsed thresholds fails", func(t *testing.T) {317		t.Parallel()318		testRegistry := NewRegistry()319		_, err := testRegistry.NewMetric("test_counter", Counter)320		require.NoError(t, err)321		// Prepare a Thresholds collection containing syntaxically322		// correct thresholds323		ts := Thresholds{324			Thresholds: []*Threshold{325				newThreshold("rate<1", false, types.NullDuration{}),326			},327		}328		// Note that we're not parsing the thresholds329		// Collect the result of the parsing operation330		gotErr := ts.Validate("non-existing", testRegistry)331		assert.Error(t, gotErr)332	})333	t.Run("thresholds supported aggregation methods for metrics", func(t *testing.T) {334		t.Parallel()335		testRegistry := NewRegistry()336		testCounter, err := testRegistry.NewMetric("test_counter", Counter)337		require.NoError(t, err)338		_, err = testCounter.AddSubmetric("foo:bar")339		require.NoError(t, err)340		_, err = testCounter.AddSubmetric("abc:123,easyas:doremi")341		require.NoError(t, err)342		_, err = testRegistry.NewMetric("test_rate", Rate)343		require.NoError(t, err)344		_, err = testRegistry.NewMetric("test_gauge", Gauge)345		require.NoError(t, err)346		_, err = testRegistry.NewMetric("test_trend", Trend)347		require.NoError(t, err)348		tests := []struct {349			name       string350			metricName string351			thresholds Thresholds352			wantErr    bool353		}{354			{355				name:       "threshold expression using 'count' is valid against a counter metric",356				metricName: "test_counter",357				thresholds: Thresholds{358					Thresholds: []*Threshold{newThreshold("count==1", false, types.NullDuration{})},359				},360				wantErr: false,361			},362			{363				name:       "threshold expression using 'rate' is valid against a counter metric",364				metricName: "test_counter",365				thresholds: Thresholds{366					Thresholds: []*Threshold{newThreshold("rate==1", false, types.NullDuration{})},367				},368				wantErr: false,369			},370			{371				name:       "threshold expression using 'rate' is valid against a counter single tag submetric",372				metricName: "test_counter{foo:bar}",373				thresholds: Thresholds{374					Thresholds: []*Threshold{newThreshold("rate==1", false, types.NullDuration{})},375				},376				wantErr: false,377			},378			{379				name:       "threshold expression using 'rate' is valid against a counter multi-tag submetric",380				metricName: "test_counter{abc:123,easyas:doremi}",381				thresholds: Thresholds{382					Thresholds: []*Threshold{newThreshold("rate==1", false, types.NullDuration{})},383				},384				wantErr: false,385			},386			{387				name:       "threshold expression using 'value' is valid against a gauge metric",388				metricName: "test_gauge",389				thresholds: Thresholds{390					Thresholds: []*Threshold{newThreshold("value==1", false, types.NullDuration{})},391				},392				wantErr: false,393			},394			{395				name:       "threshold expression using 'rate' is valid against a rate metric",396				metricName: "test_rate",397				thresholds: Thresholds{398					Thresholds: []*Threshold{newThreshold("rate==1", false, types.NullDuration{})},399				},400				wantErr: false,401			},402			{403				name:       "threshold expression using 'avg' is valid against a trend metric",404				metricName: "test_trend",405				thresholds: Thresholds{406					Thresholds: []*Threshold{newThreshold("avg==1", false, types.NullDuration{})},407				},408				wantErr: false,409			},410			{411				name:       "threshold expression using 'min' is valid against a trend metric",412				metricName: "test_trend",413				thresholds: Thresholds{414					Thresholds: []*Threshold{newThreshold("min==1", false, types.NullDuration{})},415				},416				wantErr: false,417			},418			{419				name:       "threshold expression using 'max' is valid against a trend metric",420				metricName: "test_trend",421				thresholds: Thresholds{422					Thresholds: []*Threshold{newThreshold("max==1", false, types.NullDuration{})},423				},424				wantErr: false,425			},426			{427				name:       "threshold expression using 'med' is valid against a trend metric",428				metricName: "test_trend",429				thresholds: Thresholds{430					Thresholds: []*Threshold{newThreshold("med==1", false, types.NullDuration{})},431				},432				wantErr: false,433			},434			{435				name:       "threshold expression using 'p(value)' is valid against a trend metric",436				metricName: "test_trend",437				thresholds: Thresholds{438					Thresholds: []*Threshold{newThreshold("p(99)==1", false, types.NullDuration{})},439				},440				wantErr: false,441			},442		}443		for _, testCase := range tests {444			testCase := testCase445			t.Run(testCase.name, func(t *testing.T) {446				t.Parallel()447				// Ensure thresholds are parsed448				parseErr := testCase.thresholds.Parse()449				require.NoError(t, parseErr)450				gotErr := testCase.thresholds.Validate(testCase.metricName, testRegistry)451				assert.Equal(t,452					testCase.wantErr,453					gotErr != nil,454					"Thresholds.Validate() error = %v, wantErr %v", gotErr, testCase.wantErr,455				)456				if testCase.wantErr {457					var targetErr errext.HasExitCode458					assert.ErrorIs(t,459						gotErr,460						ErrInvalidThreshold,461						"Validate error chain should contain an ErrInvalidThreshold error",462					)463					assert.ErrorAs(t,464						gotErr,465						&targetErr,466						"Validate error chain should contain an errext.HasExitCode error",467					)468					assert.Equal(t,469						exitcodes.InvalidConfig,470						targetErr.ExitCode(),471						"Validate error should have been exitcodes.InvalidConfig",472					)473				}474			})475		}476	})477}478func TestNewThresholds(t *testing.T) {479	t.Parallel()480	t.Run("empty", func(t *testing.T) {481		t.Parallel()482		ts := NewThresholds([]string{})483		assert.Len(t, ts.Thresholds, 0)484	})485	t.Run("two", func(t *testing.T) {486		t.Parallel()487		sources := []string{`rate<0.01`, `p(95)<200`}488		ts := NewThresholds(sources)489		assert.Len(t, ts.Thresholds, 2)490		for i, th := range ts.Thresholds {491			assert.Equal(t, sources[i], th.Source)492			assert.False(t, th.LastFailed)493			assert.False(t, th.AbortOnFail)494		}495	})496}497func TestNewThresholdsWithConfig(t *testing.T) {498	t.Parallel()499	t.Run("empty", func(t *testing.T) {500		t.Parallel()501		ts := NewThresholds([]string{})502		assert.Len(t, ts.Thresholds, 0)503	})504	t.Run("two", func(t *testing.T) {505		t.Parallel()506		configs := []thresholdConfig{507			{`rate<0.01`, false, types.NullDuration{}},508			{`p(95)<200`, true, types.NullDuration{}},509		}510		ts := newThresholdsWithConfig(configs)511		assert.Len(t, ts.Thresholds, 2)...

TestNewThreshold

Using AI Code Generation

1import (2func main() {3	config := cluster.NewConfig()4	brokers := []string{"localhost:9092"}5	topics := []string{"test"}6	consumer, err := cluster.NewConsumer(brokers, "my-group", topics, config)7	if err != nil {8		panic(err)9	}10	defer consumer.Close()11	t := metrics.NewThreshold(1.0)12	metrics.Register("my-metric", t)13	go metrics.Log(metrics.DefaultRegistry, 5*time.Second, log.New(os.Stderr, "metrics: ", log.Lmicroseconds))14	go func() {15		for err := range consumer.Errors() {16			fmt.Println(err)17		}18	}()19	go func() {20		for ntf := range consumer.Notifications() {21			fmt.Println(ntf)22		}23	}()24	for {25		select {26		case msg, ok := <-consumer.Messages():27			if ok {28				fmt.Println(string(msg.Value))29			}30		}31	}32}33import (34func main() {35	config := sarama.NewConfig()36	brokers := []string{"localhost:9092"}37	topics := []string{"test"}38	consumer, err := sarama.NewConsumer(brokers, config)39	if err != nil {40		panic(err)41	}42	defer consumer.Close()43	t := metrics.NewThreshold(1.0)44	metrics.Register("my-metric", t)45	go metrics.Log(metrics.Default

TestNewThreshold

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	thresh := metrics.TestNewThreshold()5	fmt.Println(thresh)6}7import (8func main() {9	fmt.Println("Hello, playground")10	thresh := metrics.TestNewThreshold()11	fmt.Println(thresh)12}

TestNewThreshold

Using AI Code Generation

1import (2func main() {3	stats.NewThreshold("somekey", 1, 5)4}5import (6func main() {7	stats.NewThreshold("somekey", 1, 5)8}9import (10func main() {11	stats.NewThreshold("somekey", 1, 5)12}13import (14func main() {15	stats.NewThreshold("somekey", 1, 5)16}17import (18func main() {19	stats.NewThreshold("somekey", 1, 5)20}21import (22func main() {23	stats.NewThreshold("somekey", 1, 5)24}25import (26func main() {27	stats.NewThreshold("somekey", 1, 5)28}29import (30func main() {31	stats.NewThreshold("somekey", 1, 5)32}33import (34func main() {

TestNewThreshold

Using AI Code Generation

1import (2func main() {3    var t = mdata.NewThreshold(1, 2, 3, 4)4    fmt.Println(t)5}6{1 2 3 4}7import (8func main() {9    var t = mdata.NewThreshold(1, 2, 3, 4)10    fmt.Println(t)11}12{1 2 3 4}13import (14func main() {15    var t = mdata.NewThreshold(1, 2, 3, 4)16    fmt.Println(t)17}18{1 2 3 4}19import (20func main() {21    var t = mdata.NewThreshold(1, 2, 3, 4)22    fmt.Println(t)23}24{1 2 3 4}25import (26func main() {27    var t = mdata.NewThreshold(1, 2, 3, 4)28    fmt.Println(t)29}30{1 2 3 4}31import (

TestNewThreshold

Using AI Code Generation

1import (2func main() {3	th := stats.NewThreshold(10)4	counter := stats.NewCounter32("counter")5	gauge := stats.NewGauge32("gauge")6	gauge64 := stats.NewGauge64("gauge64")7	rate := stats.NewRate32("rate")8	rate64 := stats.NewRate64("rate64")9	timer := stats.NewTimer32("timer")10	timer64 := stats.NewTimer64("timer64")11	timerRate := stats.NewTimerRate32("timerRate")12	timerRate64 := stats.NewTimerRate64("timerRate64")13	timerHist := stats.NewTimerHistogram32("timerHist")14	timerHist64 := stats.NewTimerHistogram64("timerHist64")15	th.Add(counter, gauge, gauge64, rate, rate64, timer, timer64, timerRate, timerRate64, timerHist, timerHist64)16	fmt.Println(th.Crossed())17	gauge.Value(10)18	fmt.Println(th.Crossed())19	gauge64.Value(10)20	fmt.Println(th.Crossed())21	counter.Inc(10)22	fmt.Println(th.Crossed())23	rate.Inc(10)24	fmt.Println(th.Crossed())25	rate64.Inc(10)26	fmt.Println(th.Crossed())

TestNewThreshold

Using AI Code Generation

1import (2func main() {3	m := metrics.New()4	t := m.NewThreshold("test", 100, 10)5	t.Start()6	t.Update(100)7	t.Stop()8	<-t.Done()9	fmt.Println(t.Value())10	fmt.Println(t.Status())11	fmt.Println(t.Time())12	fmt.Println(t.Duration())13	fmt.Println(t.Rate())14	fmt.Println(t.RatePerSecond())15	fmt.Println(t.RatePerMinute())16	fmt.Println(t.RatePerHour())17}18import (19func main() {20	m := metrics.New()21	t := m.NewThreshold("test", 100, 10)22	t.Start()23	t.Update(100)24	<-t.Done()25	fmt.Println(t.Value())26	fmt.Println(t.Status())27	fmt.Println(t.Time())28	fmt.Println(t.Duration())29	fmt.Println(t.Rate())30	fmt.Println(t.RatePerSecond())31	fmt.Println(t.RatePer

TestNewThreshold

Using AI Code Generation

1m := metrics.NewMetrics()2t := m.NewThreshold(10, 20, 30)3fmt.Println(t)4m := metrics.NewMetrics()5t := m.NewThreshold(10, 20, 30)6fmt.Println(t)7{10 20 30}8GoLang Interface | Set 1 (Introduction)9GoLang Interface | Set 2 (Implementing Interface)10GoLang Interface | Set 3 (Interface as a Type)11GoLang Interface | Set 4 (Interface as a Parameter)12GoLang Interface | Set 5 (Interface as a Return Type)13GoLang Interface | Set 6 (Interface as a Field)14GoLang Interface | Set 7 (Nested Interface)15GoLang Interface | Set 8 (Interface with a Pointer Receiver)16GoLang Interface | Set 9 (Interface with a Value Receiver)17GoLang Interface | Set 10 (Interface with a Nil Receiver)18GoLang Interface | Set 11 (Interface with an Empty Receiver)19GoLang Interface | Set 12 (Interface with a Non-Empty Receiver)20GoLang Interface | Set 13 (Interface with a Function Receiver)21GoLang Interface | Set 14 (Interface with a Function Pointer Receiver)22GoLang Interface | Set 15 (Interface with a Function Value Receiver)23GoLang Interface | Set 16 (Interface with a Function Variable Receiver)24GoLang Interface | Set 17 (Interface with a Method Receiver)25GoLang Interface | Set 18 (Interface with a Method Pointer Receiver)26GoLang Interface | Set 19 (Interface with a Method Value Receiver)27GoLang Interface | Set 20 (Interface with a Method Variable Receiver)28GoLang Interface | Set 21 (Interface with a Method Set Receiver)

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