Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use evaluate method of rod Package

Best Rod code snippet using rod.evaluate

page_eval_test.go

Source:page_eval_test.go

1package rod_test2import (3	"testing"4	"time"5	"github.com/go-rod/rod"6	"github.com/go-rod/rod/lib/cdp"7	"github.com/go-rod/rod/lib/proto"8	"github.com/go-rod/rod/lib/utils"9	"github.com/ysmood/gson"10)11func TestPageEvalOnNewDocument(t *testing.T) {12	g := setup(t)13	p := g.newPage()14	p.MustEvalOnNewDocument(`window.rod = 'ok'`)15	// to activate the script16	p.MustNavigate(g.blank())17	g.Eq(p.MustEval("() => rod").String(), "ok")18	g.Panic(func() {19		g.mc.stubErr(1, proto.PageAddScriptToEvaluateOnNewDocument{})20		p.MustEvalOnNewDocument(`1`)21	})22}23func TestPageEval(t *testing.T) {24	g := setup(t)25	page := g.page.MustNavigate(g.blank())26	g.Eq(3, page.MustEval(`27		(a, b) => a + b28	`, 1, 2).Int())29	g.Eq(10, page.MustEval(`(a, b, c, d) => a + b + c + d`, 1, 2, 3, 4).Int())30	g.Eq(page.MustEval(`function() {31		return 1132	}`).Int(), 11)33	g.Eq(page.MustEval(`	 ; () => 1; `).Int(), 1)34	// reuse obj35	obj := page.MustEvaluate(rod.Eval(`() => () => 'ok'`).ByObject())36	g.Eq("ok", page.MustEval(`f => f()`, obj).Str())37	_, err := page.Eval(`10`)38	g.Has(err.Error(), `eval js error: TypeError: 10.apply is not a function`)39	_, err = page.Eval(`() => notExist()`)40	g.Is(err, &rod.ErrEval{})41	g.Has(err.Error(), `eval js error: ReferenceError: notExist is not defined`)42}43func TestPageEvaluateRetry(t *testing.T) {44	g := setup(t)45	page := g.page.MustNavigate(g.blank())46	g.mc.stub(1, proto.RuntimeCallFunctionOn{}, func(send StubSend) (gson.JSON, error) {47		g.mc.stub(1, proto.RuntimeCallFunctionOn{}, func(send StubSend) (gson.JSON, error) {48			return gson.New(nil), cdp.ErrCtxNotFound49		})50		return gson.New(nil), cdp.ErrCtxNotFound51	})52	g.Eq(1, page.MustEval(`() => 1`).Int())53}54func TestPageUpdateJSCtxIDErr(t *testing.T) {55	g := setup(t)56	page := g.page.MustNavigate(g.srcFile("./fixtures/click-iframe.html"))57	g.mc.stub(1, proto.RuntimeCallFunctionOn{}, func(send StubSend) (gson.JSON, error) {58		g.mc.stubErr(1, proto.RuntimeEvaluate{})59		return gson.New(nil), cdp.ErrCtxNotFound60	})61	g.Err(page.Eval(`() => 1`))62	frame := page.MustElement("iframe").MustFrame()63	frame.MustReload()64	g.mc.stubErr(1, proto.DOMDescribeNode{})65	g.Err(frame.Element(`button`))66	frame.MustReload()67	g.mc.stubErr(1, proto.DOMResolveNode{})68	g.Err(frame.Element(`button`))69}70func TestPageExpose(t *testing.T) {71	g := setup(t)72	page := g.newPage(g.blank()).MustWaitLoad()73	stop := page.MustExpose("exposedFunc", func(g gson.JSON) (interface{}, error) {74		return g.Get("k").Str(), nil75	})76	utils.All(func() {77		res := page.MustEval(`() => exposedFunc({k: 'a'})`)78		g.Eq("a", res.Str())79	}, func() {80		res := page.MustEval(`() => exposedFunc({k: 'b'})`)81		g.Eq("b", res.Str())82	})()83	// survive the reload84	page.MustReload().MustWaitLoad()85	res := page.MustEval(`() => exposedFunc({k: 'ok'})`)86	g.Eq("ok", res.Str())87	stop()88	g.Panic(func() {89		stop()90	})91	g.Panic(func() {92		page.MustReload().MustWaitLoad().MustEval(`() => exposedFunc()`)93	})94	g.Panic(func() {95		g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})96		page.MustExpose("exposedFunc", nil)97	})98	g.Panic(func() {99		g.mc.stubErr(1, proto.RuntimeAddBinding{})100		page.MustExpose("exposedFunc2", nil)101	})102	g.Panic(func() {103		g.mc.stubErr(1, proto.PageAddScriptToEvaluateOnNewDocument{})104		page.MustExpose("exposedFunc", nil)105	})106}107func TestObjectRelease(t *testing.T) {108	g := setup(t)109	res, err := g.page.Evaluate(rod.Eval(`() => document`).ByObject())110	g.E(err)111	g.page.MustRelease(res)112}113func TestPromiseLeak(t *testing.T) {114	g := setup(t)115	/*116		Perform a slow action then navigate the page to another url,117		we can see the slow operation will still be executed.118	*/119	p := g.page.MustNavigate(g.blank())120	utils.All(func() {121		_, err := p.Eval(`() => new Promise(r => setTimeout(() => r(location.href), 1000))`)122		g.Is(err, cdp.ErrCtxDestroyed)123	}, func() {124		utils.Sleep(0.3)125		p.MustNavigate(g.blank())126	})()127}128func TestObjectLeak(t *testing.T) {129	g := setup(t)130	/*131		Seems like it won't leak132	*/133	p := g.page.MustNavigate(g.blank())134	obj := p.MustEvaluate(rod.Eval("() => ({a:1})").ByObject())135	p.MustReload().MustWaitLoad()136	g.Panic(func() {137		p.MustEvaluate(rod.Eval(`obj => obj`, obj))138	})139}140func TestPageObjectErr(t *testing.T) {141	g := setup(t)142	g.Panic(func() {143		g.page.MustObjectToJSON(&proto.RuntimeRemoteObject{144			ObjectID: "not-exists",145		})146	})147	g.Panic(func() {148		g.page.MustElementFromNode(&proto.DOMNode{NodeID: -1})149	})150	g.Panic(func() {151		node := g.page.MustNavigate(g.blank()).MustElement(`body`).MustDescribe()152		g.mc.stubErr(1, proto.DOMResolveNode{})153		g.page.MustElementFromNode(node)154	})155}156func TestGetJSHelperRetry(t *testing.T) {157	g := setup(t)158	g.page.MustNavigate(g.srcFile("fixtures/click.html"))159	g.mc.stub(1, proto.RuntimeCallFunctionOn{}, func(send StubSend) (gson.JSON, error) {160		return gson.JSON{}, cdp.ErrCtxNotFound161	})162	g.page.MustElements("button")163}164func TestConcurrentEval(t *testing.T) {165	g := setup(t)166	p := g.page.MustNavigate(g.blank())167	list := make(chan int, 2)168	start := time.Now()169	utils.All(func() {170		list <- p.MustEval(`() => new Promise(r => setTimeout(r, 2000, 2))`).Int()171	}, func() {172		list <- p.MustEval(`() => new Promise(r => setTimeout(r, 1000, 1))`).Int()173	})()174	duration := time.Since(start)175	g.Gt(duration, 1000*time.Millisecond)176	g.Lt(duration, 3000*time.Millisecond)177	g.Eq([]int{<-list, <-list}, []int{1, 2})178}179func TestPageSlowRender(t *testing.T) {180	g := setup(t)181	p := g.page.MustNavigate(g.srcFile("./fixtures/slow-render.html"))182	g.Eq(p.MustElement("div").MustText(), "ok")183}184func TestPageIframeReload(t *testing.T) {185	g := setup(t)186	p := g.page.MustNavigate(g.srcFile("./fixtures/click-iframe.html"))187	frame := p.MustElement("iframe").MustFrame()188	btn := frame.MustElement("button")189	g.Eq(btn.MustText(), "click me")190	frame.MustReload()191	btn = frame.MustElement("button")192	g.Eq(btn.MustText(), "click me")193	g.Has(*p.MustElement("iframe").MustAttribute("src"), "click.html")194}195func TestPageObjCrossNavigation(t *testing.T) {196	g := setup(t)197	p := g.page.MustNavigate(g.blank())198	obj := p.MustEvaluate(rod.Eval(`() => ({})`).ByObject())199	g.page.MustNavigate(g.blank())200	_, err := p.Evaluate(rod.Eval(`() => 1`).This(obj))201	g.Is(err, &rod.ErrObjectNotFound{})202	g.Has(err.Error(), "cannot find object: {\"type\":\"object\"")203}204func TestEnsureJSHelperErr(t *testing.T) {205	g := setup(t)206	p := g.page.MustNavigate(g.blank())207	g.mc.stubErr(2, proto.RuntimeCallFunctionOn{})208	g.Err(p.Elements(`button`))209}210func TestEvalOptionsString(t *testing.T) {211	g := setup(t)212	p := g.page.MustNavigate(g.srcFile("fixtures/click.html"))213	el := p.MustElement("button")214	g.Eq(rod.Eval(`() => this.parentElement`).This(el.Object).String(), "() => this.parentElement() button")215}...

evaluate

Using AI Code Generation

1import "fmt"2import "math"3type rod struct {4}5func (r rod) evaluate() float64 {6}7func main() {8	fmt.Println("Volume of rod is", r1.evaluate())9}10import "fmt"11import "math"12type rod struct {13}14func (r *rod) evaluate() float64 {15}16func main() {17	fmt.Println("Volume of rod is", r1.evaluate())18}19import "fmt"20import "math"21type rod struct {22}23func (r *rod) evaluate() float64 {24}25func main() {26	fmt.Println("Volume of rod is", r1.evaluate())27	fmt.Println("Volume of rod is", r1.evaluate())28}29import "fmt"30import "math"31type rod struct {32}33func (r *rod) evaluate() float64 {34}35func main() {

evaluate

Using AI Code Generation

1import "fmt"2type rod struct {3}4func (r *rod) evaluate() int {5}6func main() {7r1 := rod{length: 5}8fmt.Println(r1.evaluate())9}10import "fmt"11type rod struct {12}13func (r *rod) evaluate() int {14}15func main() {16r1 := rod{length: 5}17fmt.Println(r1.evaluate())18fmt.Println(r1.evaluate())19}20import "fmt"21type rod struct {22}23func (r rod) evaluate() int {24}25func main() {26r1 := rod{length: 5}27fmt.Println(r1.evaluate())28fmt.Println(r1.evaluate())29}

evaluate

Using AI Code Generation

1import (2func main() {3	r := rod{length: 12, diameter: 2}4	fmt.Println("Rod Length is ", r.length)5	fmt.Println("Rod Diameter is ", r.diameter)6	fmt.Println("Rod Surface Area is ", r.surfaceArea())7	fmt.Println("Rod Volume is ", r.volume())8}9type rod struct {10}11func (r rod) surfaceArea() float64 {12	return 2 * math.Pi * r.diameter * (r.length + r.diameter)13}14func (r rod) volume() float64 {15}

evaluate

Using AI Code Generation

1import (2func main() {3	tbl := table.New(4		table.Rows(5			[]interface{}{"John", 30, "123 Main St"},6			[]interface{}{"Jane", 28, "456 High St"},7		table.WithColumnConfigs(8			table.ColumnConfig{9				Validate: validate.IntRange(0, 100),10				Convert:  convert.ToInt(),11			},12		table.WithOpts(13			opts.WithHeader(true),14			opts.WithTitle("People"),15	tbl.Render()16}

evaluate

Using AI Code Generation

1import (2type rod struct {3}4func (r rod) evaluate() float64 {5}6func main() {7	r := rod{length: 2.5}8	fmt.Println("Area of rod is", r.evaluate())9	fmt.Println("Area of rod is", math.Pow(r.length, 2))10}

evaluate

Using AI Code Generation

1import (2func main() {3	r.SetLength(1)4	r.SetCrossSection(1)5	r.SetMaterial("Al")6	r.SetTemperature(300)7	r.SetThermalConductivity(1)8	r.SetHeatGeneration(1)9	r.SetThermalExpansionCoefficient(1)10	r.SetHeatCapacity(1)11	r.SetInitialTemperature(1)12	r.SetLeftBoundaryTemperature(1)13	r.SetRightBoundaryTemperature(1)14	r.SetTimeStep(1)15	r.SetNumberOfTimeSteps(1)16	r.SetNumberOfNodes(1)17	r.SetNumberOfElements(1)18	r.SetLength(1)19	r.SetCrossSection(1)20	r.SetMaterial("Al")21	r.SetTemperature(300)22	r.SetThermalConductivity(1)23	r.SetHeatGeneration(1)24	r.SetThermalExpansionCoefficient(1)25	r.SetHeatCapacity(1)26	r.SetInitialTemperature(1)27	r.SetLeftBoundaryTemperature(1)28	r.SetRightBoundaryTemperature(1)

evaluate

Using AI Code Generation

1import (2func main() {3 r.SetDiameter(2.5)4 r.SetLength(10)5 fmt.Println("Volume of rod is: ", r.Evaluate())6}

evaluate

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the length of the rod")4	fmt.Scanln(&l)5	r := Rod{l}6	fmt.Println("The value of the rod is ", r.Evaluate())7}8import (9func main() {10	fmt.Println("Enter the length of the rod")11	fmt.Scanln(&l)12	r := Rod{l}13	fmt.Println("The value of the rod is ", r.Evaluate())14}15import (16func main() {17	fmt.Println("Enter the length of the rod")18	fmt.Scanln(&l)19	r := Rod{l}20	fmt.Println("The value of the rod is ", r.Evaluate())21}22import (23func main() {24	fmt.Println("Enter the length of the rod")25	fmt.Scanln(&l)26	r := Rod{l}27	fmt.Println("The value of the rod is ", r.Evaluate())28}29import (30func main() {31	fmt.Println("Enter the length of the rod")32	fmt.Scanln(&l)33	r := Rod{l}34	fmt.Println("The value of the rod is ", r.Evaluate())35}36import (37func main() {38	fmt.Println("Enter the length of the rod")39	fmt.Scanln(&l)40	r := Rod{l}41	fmt.Println("The value of the rod is ", r.Evaluate())

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.