How to use EvaluationFailedException method of PuppeteerSharp.EvaluationFailedException class

Best Puppeteer-sharp code snippet using PuppeteerSharp.EvaluationFailedException.EvaluationFailedException

PageEvaluateTests.cs

Source:PageEvaluateTests.cs Github

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...86 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should throw when evaluation triggers reload")]87 [SkipBrowserFact(skipFirefox: true)]88 public async Task ShouldThrowWhenEvaluationTriggersReload()89 {90 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>91 {92 return Page.EvaluateFunctionAsync(@"() => {93 location.reload();94 return new Promise(() => {});95 }");96 });97 Assert.Contains("Protocol error", exception.Message);98 }99 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should work right after framenavigated")]100 [PuppeteerFact]101 public async Task ShouldWorkRightAfterFrameNavigated()102 {103 Task<int> frameEvaluation = null;104 Page.FrameNavigated += (_, e) =>105 {106 frameEvaluation = e.Frame.EvaluateFunctionAsync<int>("() => 6 * 7");107 };108 await Page.GoToAsync(TestConstants.EmptyPage);109 Assert.Equal(42, await frameEvaluation);110 }111 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should work from-inside an exposed function")]112 [SkipBrowserFact(skipFirefox: true)]113 public async Task ShouldWorkFromInsideAnExposedFunction()114 {115 await Page.ExposeFunctionAsync("callController", async (int a, int b) =>116 {117 return await Page.EvaluateFunctionAsync<int>("(a, b) => a * b", a, b);118 });119 var result = await Page.EvaluateFunctionAsync<int>(@"async function() {120 return await callController(9, 3);121 }");122 Assert.Equal(27, result);123 }124 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should reject promise with exception")]125 [PuppeteerFact]126 public async Task ShouldRejectPromiseWithExeption()127 {128 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>129 {130 return Page.EvaluateFunctionAsync("() => not_existing_object.property");131 });132 Assert.Contains("not_existing_object", exception.Message);133 }134 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should support thrown strings as error messages")]135 [PuppeteerFact]136 public async Task ShouldSupportThrownStringsAsErrorMessages()137 {138 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(139 () => Page.EvaluateExpressionAsync("throw 'qwerty'"));140 Assert.Contains("qwerty", exception.Message);141 }142 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should support thrown numbers as error messages")]143 [PuppeteerFact]144 public async Task ShouldSupportThrownNumbersAsErrorMessages()145 {146 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(147 () => Page.EvaluateExpressionAsync("throw 100500"));148 Assert.Contains("100500", exception.Message);149 }150 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return complex objects")]151 [PuppeteerFact]152 public async Task SouldReturnComplexObjects()153 {154 dynamic obj = new155 {156 foo = "bar!"157 };158 var result = await Page.EvaluateFunctionAsync("a => a", obj);159 Assert.Equal("bar!", result.foo.ToString());160 }161 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return BigInt")]162 [PuppeteerFact]163 public async Task ShouldReturnBigInt()164 {165 var result = await Page.EvaluateFunctionAsync<object>("() => BigInt(42)");166 Assert.Equal(new BigInteger(42), result);167 }168 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return NaN")]169 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return -0")]170 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return Infinity")]171 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return -Infinity")]172 [Theory]173 [InlineData("() => NaN", double.NaN)] //ShouldReturnNaN174 [InlineData("() => -0", -0)] //ShouldReturnNegative0175 [InlineData("() => Infinity", double.PositiveInfinity)] //ShouldReturnInfinity176 [InlineData("() => -Infinity", double.NegativeInfinity)] //ShouldReturnNegativeInfinty177 public async Task BasicEvaluationTest(string script, object expected)178 {179 var result = await Page.EvaluateFunctionAsync<object>(script);180 Assert.Equal(expected, result);181 }182 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should accept \"undefined\" as one of multiple parameters")]183 [PuppeteerFact]184 public async Task ShouldAcceptNullAsOneOfMultipleParameters()185 {186 var result = await Page.EvaluateFunctionAsync<bool>(187 "(a, b) => Object.is(a, null) && Object.is(b, 'foo')",188 null,189 "foo");190 Assert.True(result);191 }192 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return undefined for non-serializable objects")]193 [SkipBrowserFact(skipFirefox: true)]194 public async Task ShouldReturnNullForNonSerializableObjects()195 => Assert.Null(await Page.EvaluateFunctionAsync("() => window"));196 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should fail for circular object")]197 [SkipBrowserFact(skipFirefox: true)]198 public async Task ShouldFailForCircularObject()199 {200 var result = await Page.EvaluateFunctionAsync(@"() => {201 const a = {};202 const b = {a};203 a.b = b;204 return a;205 }");206 Assert.Null(result);207 }208 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should be able to throw a tricky error")]209 [SkipBrowserFact(skipFirefox: true)]210 public async Task ShouldBeAbleToThrowATrickyError()211 {212 var windowHandle = await Page.EvaluateFunctionHandleAsync("() => window");213 PuppeteerException exception = await Assert.ThrowsAsync<MessageException>(() => windowHandle.JsonValueAsync());214 var errorText = exception.Message;215 exception = await Assert.ThrowsAsync<EvaluationFailedException>(() => Page.EvaluateFunctionAsync(@"errorText =>216 {217 throw new Error(errorText);218 }", errorText));219 Assert.Contains(errorText, exception.Message);220 }221 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should accept a string")]222 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should accept a string with semi colons")]223 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should accept a string with comments")]224 [Theory]225 [InlineData("1 + 2;", 3)]226 [InlineData("1 + 5;", 6)]227 [InlineData("2 + 5\n// do some math!'", 7)]228 public async Task BasicIntExressionEvaluationTest(string script, object expected)229 {230 var result = await Page.EvaluateExpressionAsync<int>(script);231 Assert.Equal(expected, result);232 }233 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should accept element handle as an argument")]234 [PuppeteerFact]235 public async Task ShouldAcceptElementHandleAsAnArgument()236 {237 await Page.SetContentAsync("<section>42</section>");238 var element = await Page.QuerySelectorAsync("section");239 var text = await Page.EvaluateFunctionAsync<string>("e => e.textContent", element);240 Assert.Equal("42", text);241 }242 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should throw if underlying element was disposed")]243 [PuppeteerFact]244 public async Task ShouldThrowIfUnderlyingElementWasDisposed()245 {246 await Page.SetContentAsync("<section>39</section>");247 var element = await Page.QuerySelectorAsync("section");248 Assert.NotNull(element);249 await element.DisposeAsync();250 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(()251 => Page.EvaluateFunctionAsync<string>("e => e.textContent", element));252 Assert.Contains("JSHandle is disposed", exception.Message);253 }254 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should throw if elementHandles are from other frames")]255 [SkipBrowserFact(skipFirefox: true)]256 public async Task ShouldThrowIfElementHandlesAreFromOtherFrames()257 {258 await FrameUtils.AttachFrameAsync(Page, "frame1", TestConstants.EmptyPage);259 var bodyHandle = await Page.FirstChildFrame().QuerySelectorAsync("body");260 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(()261 => Page.EvaluateFunctionAsync<string>("body => body.innerHTML", bodyHandle));262 Assert.Contains("JSHandles can be evaluated only in the context they were created", exception.Message);263 }264 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should simulate a user gesture")]265 [SkipBrowserFact(skipFirefox: true)]266 public async Task ShouldSimulateAUserGesture()267 => Assert.True(await Page.EvaluateFunctionAsync<bool>(@"() => {268 document.body.appendChild(document.createTextNode('test'));269 document.execCommand('selectAll');270 return document.execCommand('copy');271 }"));272 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should throw a nice error after a navigation")]273 [SkipBrowserFact(skipFirefox: true)]274 public async Task ShouldThrowANiceErrorAfterANavigation()275 {276 var executionContext = await Page.MainFrame.GetExecutionContextAsync();277 await Task.WhenAll(278 Page.WaitForNavigationAsync(),279 executionContext.EvaluateFunctionAsync("() => window.location.reload()")280 );281 var ex = await Assert.ThrowsAsync<EvaluationFailedException>(() =>282 {283 return executionContext.EvaluateFunctionAsync("() => null");284 });285 Assert.Contains("navigation", ex.Message);286 }287 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should not throw an error when evaluation does a navigation")]288 [SkipBrowserFact(skipFirefox: true)]289 public async Task ShouldNotThrowAnErrorWhenEvaluationDoesANavigation()290 {291 await Page.GoToAsync(TestConstants.ServerUrl + "/one-style.html");292 var result = await Page.EvaluateFunctionAsync<int[]>(@"() =>293 {294 window.location = '/empty.html';295 return [42];296 }");297 Assert.Equal(new[] { 42 }, result);298 }299 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should transfer 100Mb of data from page to node.js")]300 [PuppeteerFact]301 public async Task ShouldTransfer100MbOfDataFromPage()302 {303 var a = await Page.EvaluateFunctionAsync<string>("() => Array(100 * 1024 * 1024 + 1).join('a')");304 Assert.Equal(100 * 1024 * 1024, a.Length);305 }306 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should throw error with detailed information on exception inside promise ")]307 [PuppeteerFact]308 public async Task ShouldThrowErrorWithDetailedInformationOnExceptionInsidePromise()309 {310 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>311 Page.EvaluateFunctionAsync(312 @"() => new Promise(() => {313 throw new Error('Error in promise');314 })"));315 Assert.Contains("Error in promise", exception.Message);316 }317 [PuppeteerFact]318 public async Task ShouldWorkWithDifferentSerializerSettings()319 {320 var result = await Page.EvaluateFunctionAsync<ComplexObjectTestClass>("() => { return { foo: 'bar' }}");321 Assert.Equal("bar", result.Foo);322 result = (await Page.EvaluateFunctionAsync<JToken>("() => { return { Foo: 'bar' }}"))323 .ToObject<ComplexObjectTestClass>(new JsonSerializerSettings());324 Assert.Equal("bar", result.Foo);...

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EvaluateTests.cs

Source:EvaluateTests.cs Github

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...70 => Assert.Equal(42, await Page.EvaluateFunctionAsync<int>("a => a['中文字符']", new Dictionary<string, int> { ["中文字符"] = 42 }));71 [Fact]72 public async Task ShouldThrowWhenEvaluationTriggersReload()73 {74 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>75 {76 return Page.EvaluateFunctionAsync(@"() => {77 location.reload();78 return new Promise(() => {});79 }");80 });81 Assert.Contains("Protocol error", exception.Message);82 }83 [Fact]84 public async Task ShouldWorkRightAfterFrameNavigated()85 {86 Task<int> frameEvaluation = null;87 Page.FrameNavigated += (sender, e) =>88 {89 frameEvaluation = e.Frame.EvaluateFunctionAsync<int>("() => 6 * 7");90 };91 await Page.GoToAsync(TestConstants.EmptyPage);92 Assert.Equal(42, await frameEvaluation);93 }94 [Fact]95 public async Task ShouldWorkFromInsideAnExposedFunction()96 {97 await Page.ExposeFunctionAsync("callController", async (int a, int b) =>98 {99 return await Page.EvaluateFunctionAsync<int>("(a, b) => a * b", a, b);100 });101 var result = await Page.EvaluateFunctionAsync<int>(@"async function() {102 return await callController(9, 3);103 }");104 Assert.Equal(27, result);105 }106 [Fact]107 public async Task ShouldRejectPromiseWithExeption()108 {109 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>110 {111 return Page.EvaluateFunctionAsync("() => not_existing_object.property");112 });113 Assert.Contains("not_existing_object", exception.Message);114 }115 [Fact]116 public async Task ShouldSupportThrownStringsAsErrorMessages()117 {118 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(119 () => Page.EvaluateExpressionAsync("throw 'qwerty'"));120 Assert.Contains("qwerty", exception.Message);121 }122 [Fact]123 public async Task ShouldSupportThrownNumbersAsErrorMessages()124 {125 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(126 () => Page.EvaluateExpressionAsync("throw 100500"));127 Assert.Contains("100500", exception.Message);128 }129 [Fact]130 public async Task SouldReturnComplexObjects()131 {132 dynamic obj = new133 {134 foo = "bar!"135 };136 var result = await Page.EvaluateFunctionAsync("a => a", obj);137 Assert.Equal("bar!", result.foo.ToString());138 }139 [Fact]140 public async Task ShouldReturnBigInt()141 {142 var result = await Page.EvaluateFunctionAsync<object>("() => BigInt(42)");143 Assert.Equal(new BigInteger(42), result);144 }145 [Theory]146 [InlineData("() => NaN", double.NaN)] //ShouldReturnNaN147 [InlineData("() => -0", -0)] //ShouldReturnNegative0148 [InlineData("() => Infinity", double.PositiveInfinity)] //ShouldReturnInfinity149 [InlineData("() => -Infinity", double.NegativeInfinity)] //ShouldReturnNegativeInfinty150 public async Task BasicEvaluationTest(string script, object expected)151 {152 var result = await Page.EvaluateFunctionAsync<object>(script);153 Assert.Equal(expected, result);154 }155 [Fact]156 public async Task ShouldAcceptNullAsOneOfMultipleParameters()157 {158 var result = await Page.EvaluateFunctionAsync<bool>(159 "(a, b) => Object.is(a, null) && Object.is(b, 'foo')",160 null,161 "foo");162 Assert.True(result);163 }164 [Fact]165 public async Task ShouldReturnNullForNonSerializableObjects()166 => Assert.Null(await Page.EvaluateFunctionAsync("() => window"));167 [Fact]168 public async Task ShouldFailForCircularObject()169 {170 var result = await Page.EvaluateFunctionAsync(@"() => {171 const a = {};172 const b = {a};173 a.b = b;174 return a;175 }");176 Assert.Null(result);177 }178 [Fact]179 public async Task ShouldBeAbleToThrowATrickyError()180 {181 var windowHandle = await Page.EvaluateFunctionHandleAsync("() => window");182 PuppeteerException exception = await Assert.ThrowsAsync<MessageException>(() => windowHandle.JsonValueAsync());183 var errorText = exception.Message;184 exception = await Assert.ThrowsAsync<EvaluationFailedException>(() => Page.EvaluateFunctionAsync(@"errorText =>185 {186 throw new Error(errorText);187 }", errorText));188 Assert.Contains(errorText, exception.Message);189 }190 [Theory]191 [InlineData("1 + 5;", 6)] //ShouldAcceptSemiColons192 [InlineData("2 + 5\n// do some math!'", 7)] //ShouldAceptStringComments193 public async Task BasicIntExressionEvaluationTest(string script, object expected)194 {195 var result = await Page.EvaluateExpressionAsync<int>(script);196 Assert.Equal(expected, result);197 }198 [Fact]199 public async Task ShouldAcceptElementHandleAsAnArgument()200 {201 await Page.SetContentAsync("<section>42</section>");202 var element = await Page.QuerySelectorAsync("section");203 var text = await Page.EvaluateFunctionAsync<string>("e => e.textContent", element);204 Assert.Equal("42", text);205 }206 [Fact]207 public async Task ShouldThrowIfUnderlyingElementWasDisposed()208 {209 await Page.SetContentAsync("<section>39</section>");210 var element = await Page.QuerySelectorAsync("section");211 Assert.NotNull(element);212 await element.DisposeAsync();213 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(()214 => Page.EvaluateFunctionAsync<string>("e => e.textContent", element));215 Assert.Contains("JSHandle is disposed", exception.Message);216 }217 [Fact]218 public async Task ShouldThrowIfElementHandlesAreFromOtherFrames()219 {220 await FrameUtils.AttachFrameAsync(Page, "frame1", TestConstants.EmptyPage);221 var bodyHandle = await Page.FirstChildFrame().QuerySelectorAsync("body");222 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(()223 => Page.EvaluateFunctionAsync<string>("body => body.innerHTML", bodyHandle));224 Assert.Contains("JSHandles can be evaluated only in the context they were created", exception.Message);225 }226 [Fact]227 public async Task ShouldSimulateAUserGesture()228 => Assert.True(await Page.EvaluateFunctionAsync<bool>(@"() => {229 document.body.appendChild(document.createTextNode('test'));230 document.execCommand('selectAll');231 return document.execCommand('copy'); 232 }"));233 [Fact]234 public async Task ShouldThrowANiceErrorAfterANavigation()235 {236 var executionContext = await Page.MainFrame.GetExecutionContextAsync();237 await Task.WhenAll(238 Page.WaitForNavigationAsync(),239 executionContext.EvaluateFunctionAsync("() => window.location.reload()")240 );241 var ex = await Assert.ThrowsAsync<EvaluationFailedException>(() =>242 {243 return executionContext.EvaluateFunctionAsync("() => null");244 });245 Assert.Contains("navigation", ex.Message);246 }247 [Fact]248 public async Task ShouldNotThrowAnErrorWhenEvaluationDoesANavigation()249 {250 await Page.GoToAsync(TestConstants.ServerUrl + "/one-style.html");251 var result = await Page.EvaluateFunctionAsync<int[]>(@"() =>252 {253 window.location = '/empty.html';254 return [42];255 }");256 Assert.Equal(new[] { 42 }, result);257 }258 /// <summary>259 /// Original Name "should transfer 100Mb of data from page to node.js"260 /// </summary>261 [Fact]262 public async Task ShouldTransfer100MbOfDataFromPage()263 {264 var a = await Page.EvaluateFunctionAsync<string>("() => Array(100 * 1024 * 1024 + 1).join('a')");265 Assert.Equal(100 * 1024 * 1024, a.Length);266 }267 [Fact]268 public async Task ShouldThrowErrorWithDetailedInformationOnExceptionInsidePromise()269 {270 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>271 Page.EvaluateFunctionAsync(272 @"() => new Promise(() => {273 throw new Error('Error in promise');274 })"));275 Assert.Contains("Error in promise", exception.Message);276 }277 [Fact]278 public async Task ShouldWorkWithDifferentSerializerSettings()279 {280 var result = await Page.EvaluateFunctionAsync<ComplexObjectTestClass>("() => { return { foo: 'bar' }}");281 Assert.Equal("bar", result.Foo);282 result = (await Page.EvaluateFunctionAsync<JToken>("() => { return { Foo: 'bar' }}"))283 .ToObject<ComplexObjectTestClass>(new JsonSerializerSettings());284 Assert.Equal("bar", result.Foo);285 result = await Page.EvaluateExpressionAsync<ComplexObjectTestClass>("var obj = { foo: 'bar' }; obj;");286 Assert.Equal("bar", result.Foo);287 result = (await Page.EvaluateExpressionAsync<JToken>("var obj = { Foo: 'bar' }; obj;"))288 .ToObject<ComplexObjectTestClass>(new JsonSerializerSettings());289 Assert.Equal("bar", result.Foo);290 }291 [Fact]292 public async Task ShouldProperlyIgnoreUndefinedFields()293 {294 var result = await Page.EvaluateFunctionAsync<Dictionary<string, object>>("() => ({a: undefined})");295 Assert.Empty(result);296 }297 [Fact]298 public async Task ShouldProperlySerializeNullFields()299 {300 var result = await Page.EvaluateFunctionAsync<Dictionary<string, object>>("() => ({a: null})");301 Assert.True(result.ContainsKey("a"));302 Assert.Null(result["a"]);303 }304 [Fact]305 public async Task ShouldAcceptObjectHandleAsAnArgument()306 {307 var navigatorHandle = await Page.EvaluateExpressionHandleAsync("navigator");308 var text = await Page.EvaluateFunctionAsync<string>("e => e.userAgent", navigatorHandle);309 Assert.Contains("Mozilla", text);310 }311 [Fact]312 public async Task ShouldAcceptObjectHandleToPrimitiveTypes()313 {314 var aHandle = await Page.EvaluateExpressionHandleAsync("5");315 var isFive = await Page.EvaluateFunctionAsync<bool>("e => Object.is(e, 5)", aHandle);316 Assert.True(isFive);317 }318 [Fact]319 public async Task ShouldWarnOnNestedObjectHandles()320 {321 var handle = await Page.EvaluateFunctionHandleAsync("() => document.body");322 var elementHandle = handle as ElementHandle;323 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(()324 => Page.EvaluateFunctionHandleAsync(325 "opts => opts.elem.querySelector('p')",326 new { elem = handle }));327 Assert.Contains("Are you passing a nested JSHandle?", exception.Message);328 //Check with ElementHandle329 exception = await Assert.ThrowsAsync<EvaluationFailedException>(()330 => Page.EvaluateFunctionHandleAsync(331 "opts => opts.elem.querySelector('p')",332 new { elem = elementHandle }));333 Assert.Contains("Are you passing a nested JSHandle?", exception.Message);334 }335 [Fact]336 public async Task ShouldWorkWithoutGenerics()337 {338 Assert.NotNull(await Page.EvaluateExpressionAsync("var obj = {}; obj;"));339 Assert.NotNull(await Page.EvaluateExpressionAsync("[]"));340 Assert.NotNull(await Page.EvaluateExpressionAsync("''"));341 var objectPopulated = await Page.EvaluateExpressionAsync("var obj = {a:1}; obj;");342 Assert.NotNull(objectPopulated);343 Assert.Equal(1, objectPopulated["a"]);...

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ExecutionContext.cs

Source:ExecutionContext.cs Github

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...128 }).ConfigureAwait(false);129 }130 catch (Exception ex)131 {132 throw new EvaluationFailedException(ex.Message, ex);133 }134 }135 internal async Task<JSHandle> EvaluateFunctionHandleAsync(string script, params object[] args)136 {137 if (string.IsNullOrEmpty(script))138 {139 return null;140 }141 try142 {143 return await EvaluateHandleAsync("Runtime.callFunctionOn", new Dictionary<string, object>144 {145 ["functionDeclaration"] = $"{script}\n{EvaluationScriptSuffix}\n",146 [MessageKeys.ExecutionContextId] = _contextId,147 ["arguments"] = args.Select(FormatArgument),148 ["returnByValue"] = false,149 ["awaitPromise"] = true,150 ["userGesture"] = true151 }).ConfigureAwait(false);152 }153 catch (Exception ex)154 {155 throw new EvaluationFailedException(ex.Message, ex);156 }157 }158 internal JSHandle CreateJSHandle(dynamic remoteObject)159 => (remoteObject.subtype == "node" && Frame != null)160 ? new ElementHandle(this, _client, remoteObject, Frame.FrameManager.Page, Frame.FrameManager)161 : new JSHandle(this, _client, remoteObject);162 private async Task<T> EvaluateAsync<T>(Task<JSHandle> handleEvaluator)163 {164 var handle = await handleEvaluator.ConfigureAwait(false);165 var result = default(T);166 try167 {168 result = await handle.JsonValueAsync<T>()169 .ContinueWith(jsonTask => jsonTask.Exception != null ? default : jsonTask.Result).ConfigureAwait(false);170 }171 catch (Exception ex)172 {173 if (ex.Message.Contains("Object reference chain is too long") ||174 ex.Message.Contains("Object couldn't be returned by value"))175 {176 return default;177 }178 throw new EvaluationFailedException(ex.Message, ex);179 }180 await handle.DisposeAsync().ConfigureAwait(false);181 return result is JToken token && token.Type == JTokenType.Null ? default : result;182 }183 private async Task<JSHandle> EvaluateHandleAsync(string method, dynamic args)184 {185 var response = await _client.SendAsync(method, args).ConfigureAwait(false);186 var exceptionDetails = response[MessageKeys.ExceptionDetails];187 if (exceptionDetails != null)188 {189 throw new EvaluationFailedException("Evaluation failed: " +190 GetExceptionMessage(exceptionDetails.ToObject<EvaluateExceptionDetails>()));191 }192 return CreateJSHandle(response.result);193 }194 private object FormatArgument(object arg)195 {196 switch (arg)197 {198 case double d:199 if (double.IsPositiveInfinity(d))200 {201 return new { unserializableValue = "Infinity" };202 }203 if (double.IsNegativeInfinity(d))...

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BrowserActor.cs

Source:BrowserActor.cs Github

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...92 {93 if (exception is ProcessException)94 {95 }96 else if (exception is EvaluationFailedException)97 {98 }99 else if (exception is MessageException)100 {101 }102 else if (exception is NavigationException) // Couldn't Navigate to url. Or Browser was disconnected //Target.detachedFromTarget103 {104 return Directive.Restart;105 }106 else if (exception is SelectorException)107 {108 }109 else if (exception is TargetClosedException) // Page was closed110 {...

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RuntimeTest.cs

Source:RuntimeTest.cs Github

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...37 private async Task AssertThrowsConnect(Page page, string error, params object[] args)38 {39 var start =40 "Evaluation failed: TypeError: Error in invocation of runtime.connect(optional string extensionId, optional object connectInfo): ";41 var ex = await Assert.ThrowsAsync<EvaluationFailedException>(async () =>42 await page.EvaluateFunctionAsync("(...args) => chrome.runtime.connect.call(...args)", args));43 var currentError = start + error;44 Assert.StartsWith(currentError, ex.Message);45 }46 }47}...

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ChromeAppTest.cs

Source:ChromeAppTest.cs Github

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...32 var details = await page.EvaluateExpressionAsync<object>("chrome.app.getDetails()");33 Assert.Null(details);34 var runningStateFunc = await page.EvaluateExpressionAsync<string>("chrome.app.runningState()");35 Assert.Equal("cannot_run", runningStateFunc);36 await Assert.ThrowsAsync<EvaluationFailedException>(async () => await page.EvaluateExpressionAsync("chrome.app.getDetails('foo')"));37 }38 }39}...

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EvaluationFailedException.cs

Source:EvaluationFailedException.cs Github

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...5 /// <summary>6 /// Exception thrown by <see cref="ExecutionContext.EvaluateHandleAsync(string, dynamic)"/>.7 /// </summary>8 [Serializable]9 public class EvaluationFailedException : PuppeteerException10 {11 /// <summary>12 /// Initializes a new instance of the <see cref="EvaluationFailedException"/> class.13 /// </summary>14 public EvaluationFailedException()15 {16 }17 /// <summary>18 /// Initializes a new instance of the <see cref="EvaluationFailedException"/> class.19 /// </summary>20 /// <param name="message">Message.</param>21 public EvaluationFailedException(string message) : base(RewriteErrorMeesage(message))22 {23 }24 /// <summary>25 /// Initializes a new instance of the <see cref="EvaluationFailedException"/> class.26 /// </summary>27 /// <param name="message">Message.</param>28 /// <param name="innerException">Inner exception.</param>29 public EvaluationFailedException(string message, Exception innerException)30 : base(RewriteErrorMeesage(message), innerException)31 {32 }33 /// <summary>34 /// Initializes a new instance of the <see cref="EvaluationFailedException"/> class.35 /// </summary>36 /// <param name="info">Info.</param>37 /// <param name="context">Context.</param>38 protected EvaluationFailedException(SerializationInfo info, StreamingContext context) : base(info, context)39 {40 }41 }42}...

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JSHandleMethodConverter.cs

Source:JSHandleMethodConverter.cs Github

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...10 public override bool CanConvert(Type objectType) => false;11 public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)12 => null;13 public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)14 => throw new EvaluationFailedException("Unable to make function call. Are you passing a nested JSHandle?");15 }16}...

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EvaluationFailedException

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = true };9 using (var browser = await Puppeteer.LaunchAsync(options))10 using (var page = await browser.NewPageAsync())11 {12 await page.WaitForSelectorAsync("input[name=q]");13 await page.TypeAsync("input[name=q]", "PuppeteerSharp");14 await page.ClickAsync("input[value='Google Search']");15 {16 await page.WaitForSelectorAsync("a[href='

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EvaluationFailedException

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))9 {10 var page = await browser.NewPageAsync();11 {12 await page.EvaluateFunctionAsync("() => { throw new Error('Evaluation failed'); }");13 }14 catch (EvaluationFailedException e)15 {16 Console.WriteLine(e.Message);17 }18 }19 }20 }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25{26 {27 static async Task Main(string[] args)28 {29 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))30 {31 var page = await browser.NewPageAsync();32 {33 await page.EvaluateFunctionAsync("() => { throw new Error('Evaluation failed'); }");34 }35 catch (EvaluationFailedException e)36 {37 Console.WriteLine(e.Message);38 }39 }40 }41 }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46{47 {48 static async Task Main(string[] args)49 {50 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))51 {52 var page = await browser.NewPageAsync();53 {54 await page.EvaluateFunctionAsync("() => { throw new Error('Evaluation failed'); }");55 }56 catch (EvaluationFailedException e)57 {58 Console.WriteLine(e.Message);59 }60 }61 }62 }63}64using System;

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EvaluationFailedException

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 MainAsync().Wait();9 }10 static async Task MainAsync()11 {12 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))13 using (var page = await browser.NewPageAsync())14 {15 {16 await page.EvaluateExpressionAsync("not.existing.object.property");17 }18 catch (EvaluationFailedException e)19 {20 Console.WriteLine(e.Message);21 }22 }23 }24 }25}26{ "message": "Evaluation failed: TypeError: Cannot read property 'property' of undefined27at ExecutionContext._evaluateInternal (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/ExecutionContext.cs:178:13)28at ExecutionContext.EvaluateFunctionHandleAsync (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/ExecutionContext.cs:101:12)29at ExecutionContext.EvaluateFunctionAsync (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/ExecutionContext.cs:45:12)30at Page.EvaluateExpressionAsync (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/Page.cs:1219:12)31at Program.MainAsync (/home/kali/Downloads/puppeteer-sharp-master/samples/2.cs:25:33)", "data": { "stack": "Evaluation failed: TypeError: Cannot read property 'property' of undefined32at ExecutionContext._evaluateInternal (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/ExecutionContext.cs:178:13)33at ExecutionContext.EvaluateFunctionHandleAsync (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/ExecutionContext.cs:101:12)34at ExecutionContext.EvaluateFunctionAsync (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/ExecutionContext.cs:45:12)35at Page.EvaluateExpressionAsync (/home/kali/Downloads/puppeteer-sharp-master/lib/PuppeteerSharp/Page.cs:1219:12)36at Program.MainAsync (/home/kali/Downloads/puppeteer-sharp-master/s

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EvaluationFailedException

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 MainAsync().GetAwaiter().GetResult();9 }10 static async Task MainAsync()11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });13 var page = await browser.NewPageAsync();14 {15 var result = await page.EvaluateExpressionAsync<int>("5 + 5");16 Console.WriteLine(result);17 }18 catch (EvaluationFailedException e)19 {20 Console.WriteLine(e.Message);21 }22 }23 }24}25var result = await page.EvaluateExpressionAsync<int>("5 + 5", "my custom error message");

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EvaluationFailedException

Using AI Code Generation

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1using System.Threading.Tasks;2using PuppeteerSharp;3{4 {5 static async Task Main(string[] args)6 {7 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 }))11 using (var page = await browser.NewPageAsync())12 {13 {14 await page.EvaluateExpressionAsync("not.existing.object.property");15 }16 catch (EvaluationFailedException e)17 {18 Console.WriteLine(e.Message);19 }20 }21 }22 }23}24 at ExecutionContext._evaluateInternal (/home/rohit/.nuget/packages/puppeteersharp/1.13.1/lib/netstandard2.0/PuppeteerSharp/ExecutionContext.cs:153:19)25 at ExecutionContext.EvaluateFunctionHandleAsync (/home/rohit/.nuget/packages/puppeteersharp/1.13.1/lib/netstandard2.0/PuppeteerSharp/ExecutionContext.cs:64:12)26 at ExecutionContext.EvaluateExpressionHandleAsync (/home/rohit/.nuget/packages/puppeteersharp/1.13.1/lib/netstandard2.0/PuppeteerSharp/ExecutionContext.cs:33:12)27 at ExecutionContext.EvaluateExpressionAsync (/home/rohit/.nuget/packages/puppeteersharp/1.13.1/lib/netstandard2.0/PuppeteerSharp/ExecutionContext.cs:22:12)28 at Page.EvaluateExpressionAsync (/home/rohit/.nuget/packages/puppeteersharp/1.13.1/lib/netstandard2.0/PuppeteerSharp/Page.cs:1106:12)29 at Program.Main (2.cs:28:24)

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