Esempio n. 1
0
func TestAScenarioAvoidingConcurrency(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()
	bak := stdout
	stdout = new(bytes.Buffer)
	defer func() { stdout = bak }()

	// init
	gg.Testscenario("scenario1", scenario1)

	// main part
	err := gg.ReadConfigValidate(noConcurrencyLoadmodel, LoadmodelSchema)
	if err != nil {
		t.Fatalf("Error while reading loadmodel config: %s!", err.Error())
	}

	start := time.Now()

	gg.Exec() // exec the scenario that has been selected in the config file
	execution := time.Now().Sub(start)

	// verify total run time of the baseline senario
	if execution != 360*time.Second {
		t.Errorf("Error: execution time of scenario1 not as expected: %v\n", execution)
	}

	gg.Report(stdout)
	// verify Report!
	report := stdout.(*bytes.Buffer).String()
	if report != ("01_01_teststep, 50.000000, 50.000000, 50.000000, 2000, 0\n") {
		t.Fatalf("Report output of scenario1 not as expected: %s", report)
	}
}
Esempio n. 2
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func TestFirstByteAfterReader(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()
	tr := testReader{}
	fbr := newMetricReader(tr)

	b1 := make([]byte, 4)
	fbr.Read(b1)

	body := string(b1)
	if !(body == "mark") {
		t.Fatalf("Read buffer was expected '%s', but was: '%v'", "mark", body)
	}
	if fbr.firstByteAfter != gogrinder.Elapsed(55*time.Millisecond) {
		t.Fatalf("First byte was expected after 55 ms but was: %v", fbr.firstByteAfter)
	}

	// read a second time
	b2 := make([]byte, 4)
	fbr.Read(b2)
	body = string(b2)
	if body != "fink" {
		t.Fatalf("Read buffer was expected '%s', but was: '%v'", "fink", body)
	}
}
Esempio n. 3
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func TestThinktimeVariance(t *testing.T) {
	// create a fake loadmodel for testing
	var fake = NewTest()
	fake.status = Running
	fake.config["Scenario"] = "scenario1"
	fake.config["ThinkTimeFactor"] = 2.0
	fake.config["ThinkTimeVariance"] = 0.1

	min, max, avg := 20.0, 20.0, 0.0
	time.Freeze(time.Now())
	defer time.Unfreeze()

	for i := 0; i < 1000; i++ {
		start := time.Now()
		fake.Thinktime(0.010)
		sleep := float64(time.Now().Sub(start)) / float64(time.Millisecond)
		if sleep < min {
			min = sleep
		}
		if max < sleep {
			max = sleep
		}
		avg += sleep
	}
	avg = avg / 1000
	if min < 18.0 {
		t.Errorf("Minimum sleep time %f out of defined range!\n", min)
	}
	if max >= 22.0 {
		t.Errorf("Maximum sleep time %f out of defined range!", max)
	}
	if avg < 19.9 || avg > 20.1 {
		t.Fatalf("Average sleep time %f out of defined range!", avg)
	}
}
Esempio n. 4
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func TestRunSequential(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()

	fake := NewTest()
	fake.config["Scenario"] = "scenario1"
	var counter int = 0
	// assemble testcase
	tc1 := func(meta *Meta, s Settings) {
		// check meta
		if meta.Iteration != counter {
			t.Errorf("Iteration %d but expected %d!", meta.Iteration, counter)
		}
		if meta.User != 0 {
			t.Error("User meta not as expected!")
		}

		time.Sleep(20)
		counter++
	}

	// run the testcase
	start := time.Now()
	fake.DoIterations(tc1, 20, 0, false)
	if time.Now().Sub(start) != 400 {
		t.Error("Testcase execution time not as expected!")
	}
	if counter != 20 {
		t.Error("Testcase iteration counter not as expected!")
	}
}
Esempio n. 5
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func TestRouteSaveConfig(t *testing.T) {
	// prepare
	time.Freeze(time.Now())
	defer time.Unfreeze()
	file, _ := ioutil.TempFile(os.TempDir(), "gogrinder_test")
	defer os.Remove(file.Name())

	srv := TestServer{}
	scenario := NewTest()
	scenario.filename = file.Name()
	srv.test = scenario

	{
		config := `{"Scenario":"scenario1","ThinkTimeFactor":2,"ThinkTimeVariance":0.1}`
		req, _ := http.NewRequest("PUT", "/config", strings.NewReader(config))
		rsp := httptest.NewRecorder()
		srv.Router().ServeHTTP(rsp, req)
		if rsp.Code != http.StatusOK {
			t.Fatalf("Status code expected: %s but was: %v", "200", rsp.Code)
		}
	}

	buf, err := ioutil.ReadFile(file.Name())
	if err != nil {
		t.Errorf("Unexpected problem while reading from the config file %s!", file.Name())
	}
	loadmodel := string(buf)
	if loadmodel != `{"Scenario":"scenario1","ThinkTimeFactor":2,"ThinkTimeVariance":0.1}` {
		t.Errorf("Config not as expected: %s!", loadmodel)
	}
}
Esempio n. 6
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func TestRouteGetConfig(t *testing.T) {
	// prepare
	time.Freeze(time.Now())
	defer time.Unfreeze()
	file, _ := ioutil.TempFile(os.TempDir(), "gogrinder_test")
	defer os.Remove(file.Name())

	srv := TestServer{}
	srv.test = NewTest()
	loadmodel := `{
	  "Scenario": "scenario1",
	  "ThinkTimeFactor": 2.0,
	  "ThinkTimeVariance": 0.1
	}`
	srv.test.ReadConfigValidate(loadmodel, LoadmodelSchema)

	req, _ := http.NewRequest("GET", "/config", nil)
	rsp := httptest.NewRecorder()
	srv.Router().ServeHTTP(rsp, req)
	if rsp.Code != http.StatusOK {
		t.Fatalf("Status code expected: %s but was: %v", "200", rsp.Code)
	}

	config := rsp.Body.String()
	if config != `{"config":{"Scenario":"scenario1","ThinkTimeFactor":2,`+
		`"ThinkTimeVariance":0.1},"mtime":"0001-01-01T00:00:00Z"}` {
		t.Errorf("Config not as expected: %s!", config)
	}
}
Esempio n. 7
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func TestPaceMakerNegativeValue(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()

	var fake = NewTest()
	fake.config["Scenario"] = "scenario1"
	fake.status = Running
	start := time.Now()
	fake.paceMaker(-10, 0)
	if time.Now().Sub(start) != 0 {
		t.Fatal("Function paceMaker sleep out of range!")
	}
}
Esempio n. 8
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func TestThinktimeStops(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()
	// create a fake loadmodel for testing
	var fake = NewTest()
	fake.status = Stopping
	fake.config["Scenario"] = "scenario1"

	start := time.Now()
	fake.Thinktime(10.0)
	sleep := float64(time.Now().Sub(start)) / float64(time.Millisecond)
	if sleep != 0 {
		t.Errorf("Thinktime did not stop! It sleept: %v\n", sleep)
	}
}
Esempio n. 9
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func TestPaceMakerStops(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()
	// create a fake loadmodel for testing
	var fake = NewTest()
	fake.status = Stopping
	fake.config["Scenario"] = "scenario1"

	start := time.Now()
	fake.paceMaker(time.Duration(10*time.Second), time.Duration(0))
	sleep := float64(time.Now().Sub(start)) / float64(time.Millisecond)
	if sleep != 0 {
		t.Errorf("PaceMaker did not stop! It sleept: %v\n", sleep)
	}
}
Esempio n. 10
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func TestThinktimeNoVariance(t *testing.T) {
	// create a fake loadmodel for testing
	var fake = NewTest()
	fake.status = Running
	fake.config["Scenario"] = "scenario1"

	time.Freeze(time.Now())
	defer time.Unfreeze()

	start := time.Now()
	fake.Thinktime(0.020)
	sleep := time.Now().Sub(start)
	if sleep != 20*time.Millisecond {
		t.Errorf("Expected to sleep for 20ms but something went wrong: %v", sleep)
	}
}
Esempio n. 11
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func TestBaseline2(t *testing.T) {
	time.Freeze(time.Now())
	defer time.Unfreeze()
	bak := stdout
	stdout = new(bytes.Buffer)
	defer func() { stdout = bak }()

	// we do not need a full loadmodel to run the baseline scenario
	loadmodel := `{
	  "Scenario": "baseline",
	  "ThinkTimeFactor": 2.0,
	  "ThinkTimeVariance": 0.1,
	  "PacingVariance": 0.0
	}`
	//  no Loadmodel required! ,"Loadmodel": []

	// init
	gg.Testscenario("baseline", baseline2)

	// main part
	err := gg.ReadConfigValidate(loadmodel, LoadmodelSchema)
	if err != nil {
		t.Fatalf("Error while reading loadmodel config: %s!", err.Error())
	}

	start := time.Now()

	gg.Exec() // exec the scenario that has been selected in the config file
	execution := time.Now().Sub(start)

	// verify total run time of the baseline senario
	// 18 * (100+100) + 90 = 3690
	//if execution <= 369000*time.Millisecond {
	if execution <= 3690*time.Millisecond {
		t.Errorf("Error: execution time of scenario1 not as expected: %v\n", execution)
	}

	gg.Report(stdout)
	// verify Report!
	report := stdout.(*bytes.Buffer).String()
	if report != ("01_01_teststep, 50.000000, 50.000000, 50.000000, 18, 0\n" +
		"02_01_teststep, 100.000000, 100.000000, 100.000000, 9, 0\n" +
		"03_01_teststep, 150.000000, 150.000000, 150.000000, 6, 0\n") {
		t.Fatalf("Report output of baseline2 scenario not as expected: %s", report)
	}
}
Esempio n. 12
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func TestDebug(t *testing.T) {
	// just run a single testcase once
	time.Freeze(time.Now())
	defer time.Unfreeze()
	bak := stdout
	stdout = new(bytes.Buffer)
	defer func() { stdout = bak }()

	// we do not need a full loadmodel for this
	loadmodel := `{
	  "Scenario": "01_testcase",
	  "ThinkTimeFactor": 2.0,
	  "ThinkTimeVariance": 0.0,
	  "PacingVariance": 0.0
	}`

	// init
	gg.Reset()
	gg.Testscenario("baseline", baseline1)
	gg.Testscenario("01_testcase", tc1)

	// main part
	err := gg.ReadConfigValidate(loadmodel, LoadmodelSchema)
	if err != nil {
		t.Fatalf("Error while reading loadmodel config: %s!", err.Error())
	}

	start := time.Now()

	gg.Exec() // exec the scenario that has been selected in the config file
	execution := time.Now().Sub(start)

	// verify total run time of the baseline senario
	// 50+2*50 =150ms
	if execution != 150*time.Millisecond {
		t.Errorf("Error: execution time of debug test not as expected: %f ms.\n", d2f(execution))
	}

	gg.Report(stdout)
	// verify Report!
	report := stdout.(*bytes.Buffer).String()
	if report != "01_01_teststep, 50.000000, 50.000000, 50.000000, 1, 0\n" {
		t.Fatalf("Report output of debug test not as expected: %s", report)
	}
}
Esempio n. 13
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func TestReader(t *testing.T) {
	// prepare
	time.Freeze(time.Now())
	defer time.Unfreeze()
	size := 18000
	latency := 500 * time.Millisecond

	start := time.Now()
	slow := NewSlowReader(size, latency)
	all, err := ioutil.ReadAll(slow)
	if err != nil {
		t.Fatalf("Error while reading from SlowReader: %v", err)
	}
	elapsed := time.Now().Sub(start)

	if elapsed != latency {
		t.Fatalf("Elapsed expected: %v but was: %v", latency, elapsed)
	}
	if len(all) != size {
		t.Fatalf("Buffer sise expected: %d but was: %d", size, len(all))
	}
}
Esempio n. 14
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func TestRouteStartStop(t *testing.T) {
	// prepare
	time.Freeze(time.Now())
	defer time.Unfreeze()
	srv := TestServer{}
	srv.test = NewTest()
	tc1 := func(meta *Meta, s Settings) { srv.test.Thinktime(0.050) }
	srv.test.Testscenario("fake", func() { gg.DoIterations(tc1, 500, 0, false) })
	loadmodel := `{"Scenario": "fake", "ThinkTimeFactor": 2.0, "ThinkTimeVariance": 0.0	}`
	srv.test.ReadConfigValidate(loadmodel, LoadmodelSchema)

	{
		// startTest
		req, _ := http.NewRequest("POST", "/test", nil)
		rsp := httptest.NewRecorder()
		srv.Router().ServeHTTP(rsp, req)
		if rsp.Code != http.StatusOK {
			t.Fatalf("Status code expected: %s but was: %v", "200", rsp.Code)
		}
	}
	// another fake clock problem here!
	//	if srv.test.status != running {
	//		t.Fatalf("Status code expected: %v but was: %v", running, srv.test.status)
	//	}

	{
		// stopTest
		req, _ := http.NewRequest("DELETE", "/test", nil)
		rsp := httptest.NewRecorder()
		srv.Router().ServeHTTP(rsp, req)
		if rsp.Code != http.StatusOK {
			t.Fatalf("Status code expected: %s but was: %v", "200", rsp.Code)
		}
	}

	if srv.test.Status() == Running {
		t.Fatalf("Status code expected not running but was: %v", srv.test.Status())
	}
}
Esempio n. 15
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func TestPaceMakerVariance(t *testing.T) {
	// create a fake loadmodel for testing
	var fake = NewTest()
	fake.status = Running
	fake.config["Scenario"] = "scenario1"
	fake.config["ThinkTimeFactor"] = 2.0
	fake.config["ThinkTimeVariance"] = 0.1
	fake.config["PacingVariance"] = 0.1

	min, max, avg := 1000.0, 1000.0, 0.0
	time.Freeze(time.Now())
	defer time.Unfreeze()

	for i := 0; i < 1000; i++ {
		start := time.Now()
		fake.paceMaker(time.Duration(1*time.Second), time.Duration(0))
		sleep := float64(time.Now().Sub(start)) / float64(time.Millisecond)
		if sleep < min {
			min = sleep
		}
		if max < sleep {
			max = sleep
		}
		avg += sleep
	}
	avg = avg / 1000
	if min < 900.0 {
		t.Errorf("Minimum pace time %f out of defined range!\n", min)
	}
	if max >= 1100.0 {
		t.Errorf("Maximum pace time %f out of defined range!", max)
	}
	if avg < 990.0 || avg > 1010.0 {
		t.Fatalf("Average pace time %f out of defined range!", avg)
	}
}