How to use verifySharedIters method of cmd Package

Best K6 code snippet using cmd.verifySharedIters

config_consolidation_test.go

Source:config_consolidation_test.go

...41	require.True(t, ok)42	assert.Equal(t, null.NewInt(1, false), perVuIters.Iterations)43	assert.Equal(t, null.NewInt(1, false), perVuIters.VUs)44}45func verifySharedIters(vus, iters null.Int) func(t *testing.T, c Config) {46	return func(t *testing.T, c Config) {47		exec := c.Scenarios[lib.DefaultScenarioName]48		require.NotEmpty(t, exec)49		require.IsType(t, executor.SharedIterationsConfig{}, exec)50		sharedIterConfig, ok := exec.(executor.SharedIterationsConfig)51		require.True(t, ok)52		assert.Equal(t, vus, sharedIterConfig.VUs)53		assert.Equal(t, iters, sharedIterConfig.Iterations)54		assert.Equal(t, vus, c.VUs)55		assert.Equal(t, iters, c.Iterations)56	}57}58func verifyConstLoopingVUs(vus null.Int, duration time.Duration) func(t *testing.T, c Config) {59	return func(t *testing.T, c Config) {60		exec := c.Scenarios[lib.DefaultScenarioName]61		require.NotEmpty(t, exec)62		require.IsType(t, executor.ConstantVUsConfig{}, exec)63		clvc, ok := exec.(executor.ConstantVUsConfig)64		require.True(t, ok)65		assert.Equal(t, vus, clvc.VUs)66		assert.Equal(t, types.NullDurationFrom(duration), clvc.Duration)67		assert.Equal(t, vus, c.VUs)68		assert.Equal(t, types.NullDurationFrom(duration), c.Duration)69	}70}71func verifyExternallyExecuted(scenarioName string, vus null.Int, duration time.Duration) func(t *testing.T, c Config) {72	return func(t *testing.T, c Config) {73		exec := c.Scenarios[scenarioName]74		require.NotEmpty(t, exec)75		require.IsType(t, executor.ExternallyControlledConfig{}, exec)76		ecc, ok := exec.(executor.ExternallyControlledConfig)77		require.True(t, ok)78		assert.Equal(t, vus, ecc.VUs)79		assert.Equal(t, types.NullDurationFrom(duration), ecc.Duration)80		assert.Equal(t, vus, ecc.MaxVUs) // MaxVUs defaults to VUs unless specified81	}82}83func verifyRampingVUs(startVus null.Int, stages []executor.Stage) func(t *testing.T, c Config) {84	return func(t *testing.T, c Config) {85		exec := c.Scenarios[lib.DefaultScenarioName]86		require.NotEmpty(t, exec)87		require.IsType(t, executor.RampingVUsConfig{}, exec)88		clvc, ok := exec.(executor.RampingVUsConfig)89		require.True(t, ok)90		assert.Equal(t, startVus, clvc.StartVUs)91		assert.Equal(t, startVus, c.VUs)92		assert.Equal(t, stages, clvc.Stages)93		assert.Len(t, c.Stages, len(stages))94		for i, s := range stages {95			assert.Equal(t, s.Duration, c.Stages[i].Duration)96			assert.Equal(t, s.Target, c.Stages[i].Target)97		}98	}99}100// A helper function that accepts (duration in second, VUs) pairs and returns101// a valid slice of stage structs102func buildStages(durationsAndVUs ...int64) []executor.Stage {103	l := len(durationsAndVUs)104	if l%2 != 0 {105		panic("wrong len")106	}107	result := make([]executor.Stage, 0, l/2)108	for i := 0; i < l; i += 2 {109		result = append(result, executor.Stage{110			Duration: types.NullDurationFrom(time.Duration(durationsAndVUs[i]) * time.Second),111			Target:   null.IntFrom(durationsAndVUs[i+1]),112		})113	}114	return result115}116type file struct {117	filepath, contents string118}119func getFS(files []file) afero.Fs {120	fs := afero.NewMemMapFs()121	for _, f := range files {122		must(afero.WriteFile(fs, f.filepath, []byte(f.contents), 0o644)) // modes don't matter in the afero.MemMapFs123	}124	return fs125}126type opts struct {127	cli    []string128	env    []string129	runner *lib.Options130	fs     afero.Fs131	cmds   []string132}133// exp contains the different events or errors we expect our test case to trigger.134// for space and clarity, we use the fact that by default, all of the struct values are false135type exp struct {136	cliParseError      bool137	cliReadError       bool138	consolidationError bool // Note: consolidationError includes validation errors from envconfig.Process()139	derivationError    bool140	validationErrors   bool141	logWarning         bool142}143// A hell of a complicated test case, that still doesn't test things fully...144type configConsolidationTestCase struct {145	options         opts146	expected        exp147	customValidator func(t *testing.T, c Config)148}149func getConfigConsolidationTestCases() []configConsolidationTestCase {150	defaultConfig := func(jsonConfig string) afero.Fs {151		return getFS([]file{{152			filepath.Join(".config", "loadimpact", "k6", defaultConfigFileName), // TODO: improve153			jsonConfig,154		}})155	}156	I := null.IntFrom // shortcut for "Valid" (i.e. user-specified) ints157	// This is a function, because some of these test cases actually need for the init() functions158	// to be executed, since they depend on defaultConfigFilePath159	return []configConsolidationTestCase{160		// Check that no options will result in 1 VU 1 iter value for execution161		{opts{}, exp{}, verifyOneIterPerOneVU},162		// Verify some CLI errors163		{opts{cli: []string{"--blah", "blah"}}, exp{cliParseError: true}, nil},164		{opts{cli: []string{"--duration", "blah"}}, exp{cliParseError: true}, nil},165		{opts{cli: []string{"--duration", "1000"}}, exp{cliParseError: true}, nil}, // intentionally unsupported166		{opts{cli: []string{"--iterations", "blah"}}, exp{cliParseError: true}, nil},167		{opts{cli: []string{"--execution", ""}}, exp{cliParseError: true}, nil},168		{opts{cli: []string{"--stage", "10:20s"}}, exp{cliReadError: true}, nil},169		{opts{cli: []string{"--stage", "1000:20"}}, exp{cliReadError: true}, nil}, // intentionally unsupported170		// Check if CLI shortcuts generate correct execution values171		{opts{cli: []string{"--vus", "1", "--iterations", "5"}}, exp{}, verifySharedIters(I(1), I(5))},172		{opts{cli: []string{"-u", "2", "-i", "6"}}, exp{}, verifySharedIters(I(2), I(6))},173		{opts{cli: []string{"-d", "123s"}}, exp{}, verifyConstLoopingVUs(null.NewInt(1, false), 123*time.Second)},174		{opts{cli: []string{"-u", "3", "-d", "30s"}}, exp{}, verifyConstLoopingVUs(I(3), 30*time.Second)},175		{opts{cli: []string{"-u", "4", "--duration", "60s"}}, exp{}, verifyConstLoopingVUs(I(4), 1*time.Minute)},176		{177			opts{cli: []string{"--stage", "20s:10", "-s", "3m:5"}},178			exp{},179			verifyRampingVUs(null.NewInt(1, false), buildStages(20, 10, 180, 5)),180		},181		{182			opts{cli: []string{"-s", "1m6s:5", "--vus", "10"}},183			exp{},184			verifyRampingVUs(null.NewInt(10, true), buildStages(66, 5)),185		},186		{opts{cli: []string{"-u", "1", "-i", "6", "-d", "10s"}}, exp{}, func(t *testing.T, c Config) {187			verifySharedIters(I(1), I(6))(t, c)188			sharedIterConfig, ok := c.Scenarios[lib.DefaultScenarioName].(executor.SharedIterationsConfig)189			require.True(t, ok)190			assert.Equal(t, sharedIterConfig.MaxDuration.TimeDuration(), 10*time.Second)191		}},192		// This should get a validation error since VUs are more than the shared iterations193		{opts{cli: []string{"--vus", "10", "-i", "6"}}, exp{validationErrors: true}, verifySharedIters(I(10), I(6))},194		{opts{cli: []string{"-s", "10s:5", "-s", "10s:"}}, exp{validationErrors: true}, nil},195		{opts{fs: defaultConfig(`{"stages": [{"duration": "20s"}], "vus": 10}`)}, exp{validationErrors: true}, nil},196		// These should emit a derivation error197		{opts{cli: []string{"-u", "2", "-d", "10s", "-s", "10s:20"}}, exp{derivationError: true}, nil},198		{opts{cli: []string{"-u", "3", "-i", "5", "-s", "10s:20"}}, exp{derivationError: true}, nil},199		{opts{cli: []string{"-u", "3", "-d", "0"}}, exp{derivationError: true}, nil},200		{201			opts{runner: &lib.Options{202				VUs:      null.IntFrom(5),203				Duration: types.NullDurationFrom(44 * time.Second),204				Stages: []lib.Stage{205					{Duration: types.NullDurationFrom(3 * time.Second), Target: I(20)},206				},207			}}, exp{derivationError: true}, nil,208		},209		{opts{fs: defaultConfig(`{"scenarios": {}}`)}, exp{logWarning: true}, verifyOneIterPerOneVU},210		// Test if environment variable shortcuts are working as expected211		{opts{env: []string{"K6_VUS=5", "K6_ITERATIONS=15"}}, exp{}, verifySharedIters(I(5), I(15))},212		{opts{env: []string{"K6_VUS=10", "K6_DURATION=20s"}}, exp{}, verifyConstLoopingVUs(I(10), 20*time.Second)},213		{opts{env: []string{"K6_VUS=10", "K6_DURATION=10000"}}, exp{}, verifyConstLoopingVUs(I(10), 10*time.Second)},214		{215			opts{env: []string{"K6_STAGES=2m30s:11,1h1m:100"}},216			exp{},217			verifyRampingVUs(null.NewInt(1, false), buildStages(150, 11, 3660, 100)),218		},219		{220			opts{env: []string{"K6_STAGES=100s:100,0m30s:0", "K6_VUS=0"}},221			exp{},222			verifyRampingVUs(null.NewInt(0, true), buildStages(100, 100, 30, 0)),223		},224		{opts{env: []string{"K6_STAGES=1000:100"}}, exp{consolidationError: true}, nil}, // intentionally unsupported225		// Test if JSON configs work as expected226		{opts{fs: defaultConfig(`{"iterations": 77, "vus": 7}`)}, exp{}, verifySharedIters(I(7), I(77))},227		{opts{fs: defaultConfig(`wrong-json`)}, exp{consolidationError: true}, nil},228		{opts{fs: getFS(nil), cli: []string{"--config", "/my/config.file"}}, exp{consolidationError: true}, nil},229		// Test combinations between options and levels230		{opts{cli: []string{"--vus", "1"}}, exp{}, verifyOneIterPerOneVU},231		{opts{cli: []string{"--vus", "10"}}, exp{logWarning: true}, verifyOneIterPerOneVU},232		{233			opts{234				fs:  getFS([]file{{"/my/config.file", `{"vus": 8, "duration": "2m"}`}}),235				cli: []string{"--config", "/my/config.file"},236			}, exp{}, verifyConstLoopingVUs(I(8), 120*time.Second),237		},238		{239			opts{240				fs:  getFS([]file{{"/my/config.file", `{"duration": 20000}`}}),241				cli: []string{"--config", "/my/config.file"},242			}, exp{}, verifyConstLoopingVUs(null.NewInt(1, false), 20*time.Second),243		},244		{245			opts{246				fs:  defaultConfig(`{"stages": [{"duration": "20s", "target": 20}], "vus": 10}`),247				env: []string{"K6_DURATION=15s"},248				cli: []string{"--stage", ""},249			},250			exp{logWarning: true},251			verifyOneIterPerOneVU,252		},253		{254			opts{255				runner: &lib.Options{VUs: null.IntFrom(5), Duration: types.NullDurationFrom(50 * time.Second)},256				cli:    []string{"--stage", "5s:5"},257			},258			exp{},259			verifyRampingVUs(I(5), buildStages(5, 5)),260		},261		{262			opts{263				fs:     defaultConfig(`{"stages": [{"duration": "20s", "target": 10}]}`),264				runner: &lib.Options{VUs: null.IntFrom(5)},265			},266			exp{},267			verifyRampingVUs(I(5), buildStages(20, 10)),268		},269		{270			opts{271				fs:     defaultConfig(`{"stages": [{"duration": "20s", "target": 10}]}`),272				runner: &lib.Options{VUs: null.IntFrom(5)},273				env:    []string{"K6_VUS=15", "K6_ITERATIONS=17"},274			},275			exp{},276			verifySharedIters(I(15), I(17)),277		},278		{279			opts{280				fs:     defaultConfig(`{"stages": [{"duration": "11s", "target": 11}]}`),281				runner: &lib.Options{VUs: null.IntFrom(22)},282				env:    []string{"K6_VUS=33"},283				cli:    []string{"--stage", "44s:44", "-s", "55s:55"},284			},285			exp{},286			verifyRampingVUs(null.NewInt(33, true), buildStages(44, 44, 55, 55)),287		},288		// TODO: test the future full overwriting of the duration/iterations/stages/execution options289		{290			opts{291				fs: defaultConfig(`{292					"scenarios": { "someKey": {293						"executor": "constant-vus", "vus": 10, "duration": "60s", "gracefulStop": "10s",294						"startTime": "70s", "env": {"test": "mest"}, "exec": "someFunc"295					}}}`),296				env: []string{"K6_ITERATIONS=25"},297				cli: []string{"--vus", "12"},298			},299			exp{},300			verifySharedIters(I(12), I(25)),301		},302		{303			opts{304				fs: defaultConfig(`{"scenarios": { "foo": {305					"executor": "constant-vus", "vus": 2, "duration": "1d",306					"gracefulStop": "10000", "startTime": 1000.5307				}}}`),308			}, exp{}, func(t *testing.T, c Config) {309				exec := c.Scenarios["foo"]310				require.NotEmpty(t, exec)311				require.IsType(t, executor.ConstantVUsConfig{}, exec)312				clvc, ok := exec.(executor.ConstantVUsConfig)313				require.True(t, ok)314				assert.Equal(t, null.IntFrom(2), clvc.VUs)...

verifySharedIters

Using AI Code Generation

1func main() {2    cmd := &cmd{}3    cmd.verifySharedIters()4}5func main() {6    cmd := &cmd{}7    cmd.verifySharedIters()8}9func main() {10    cmd := &cmd{}11    cmd.verifySharedIters()12}13func main() {14    cmd := &cmd{}15    cmd.verifySharedIters()16}17func main() {18    cmd := &cmd{}19    cmd.verifySharedIters()20}21func main() {22    cmd := &cmd{}23    cmd.verifySharedIters()24}25func main() {26    cmd := &cmd{}27    cmd.verifySharedIters()28}29func main() {30    cmd := &cmd{}31    cmd.verifySharedIters()32}33func main() {34    cmd := &cmd{}35    cmd.verifySharedIters()36}37func main() {38    cmd := &cmd{}39    cmd.verifySharedIters()40}41func main() {42    cmd := &cmd{}43    cmd.verifySharedIters()44}45func main() {46    cmd := &cmd{}47    cmd.verifySharedIters()48}49func main() {50    cmd := &cmd{}51    cmd.verifySharedIters()52}53func main() {

verifySharedIters

Using AI Code Generation

1import (2type cmd struct {3}4func (c *cmd) verifySharedIters() {5	sort.Ints(c.sharedIters)6	for i := 1; i < len(c.sharedIters); i++ {7		if c.sharedIters[i] == c.sharedIters[i-1] {8			fmt.Println("Error: shared iterator", c.sharedIters[i], "is repeated")9			os.Exit(1)10		}11	}12	if c.sharedIters[len(c.sharedIters)-1] > len(c.sharedIters) {13		fmt.Println("Error: shared iterator", c.sharedIters[len(c.sharedIters)-1], "is greater than the number of iters")14		os.Exit(1)15	}16}17func main() {18	c := cmd{}19	scanner := bufio.NewScanner(os.Stdin)20	for scanner.Scan() {21		s = scanner.Text()22	}23	split := strings.Split(s, " ")24	for _, v := range split {25		i, _ := strconv.Atoi(v)26		c.sharedIters = append(c.sharedIters, i)27	}28	c.verifySharedIters()29}30if c.sharedIters[len(c.sharedIters)-1] > len(c.sharedIters) {31type A struct {32}33func (a *A) DoSomething

verifySharedIters

Using AI Code Generation

1import (2func main() {3	debug.SetGCPercent(-1)4	runtime.GOMAXPROCS(2)5	runtime.GC()6	verifySharedIters()7}8func verifySharedIters() {9}10import (11func main() {12	debug.SetGCPercent(-1)13	runtime.GOMAXPROCS(2)14	runtime.GC()15	verifySharedIters()16}17func verifySharedIters() {18}19import (20func main() {21	debug.SetGCPercent(-1)22	runtime.GOMAXPROCS(2)23	runtime.GC()24	verifySharedIters()25}26func verifySharedIters() {27}28import (29func main() {

verifySharedIters

Using AI Code Generation

1import (2func main() {3 cmd := newCmd()4 cmd.verifySharedIters()5 fmt.Println("Hello World!")6}

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