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How to use StartJSCoverageAsync method of PuppeteerSharp.PageCoverage.Coverage class

Best Puppeteer-sharp code snippet using PuppeteerSharp.PageCoverage.Coverage.StartJSCoverageAsync

JSCoverageTests.cs

Source:JSCoverageTests.cs

...16        }17        [Fact]18        public async Task ShouldWork()19        {20            await Page.Coverage.StartJSCoverageAsync();21            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/simple.html");22            var coverage = await Page.Coverage.StopJSCoverageAsync();23            Assert.Single(coverage);24            Assert.Contains("/jscoverage/simple.html", coverage[0].Url);25            Assert.Equal(new CoverageEntryRange[]26            {27                new CoverageEntryRange28                {29                    Start = 0,30                    End = 1731                },32                new CoverageEntryRange33                {34                    Start = 35,35                    End = 6136                },37            }, coverage[0].Ranges);38        }39        [Fact]40        public async Task ShouldReportSourceUrls()41        {42            await Page.Coverage.StartJSCoverageAsync();43            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/sourceurl.html");44            var coverage = await Page.Coverage.StopJSCoverageAsync();45            Assert.Single(coverage);46            Assert.Equal("nicename.js", coverage[0].Url);47        }48        [Fact]49        public async Task ShouldIgnoreAnonymousScripts()50        {51            await Page.Coverage.StartJSCoverageAsync();52            await Page.GoToAsync(TestConstants.EmptyPage);53            await Page.EvaluateExpressionAsync("console.log(1);");54            var coverage = await Page.Coverage.StopJSCoverageAsync();55            Assert.Empty(coverage);56        }57        [Fact]58        public async Task ShouldReportMultipleScripts()59        {60            await Page.Coverage.StartJSCoverageAsync();61            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/multiple.html");62            var coverage = await Page.Coverage.StopJSCoverageAsync();63            Assert.Equal(2, coverage.Length);64            var orderedList = coverage.OrderBy(c => c.Url);65            Assert.Contains("/jscoverage/script1.js", orderedList.ElementAt(0).Url);66            Assert.Contains("/jscoverage/script2.js", orderedList.ElementAt(1).Url);67        }68        [Fact]69        public async Task ShouldReportRightRanges()70        {71            await Page.Coverage.StartJSCoverageAsync();72            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/ranges.html");73            var coverage = await Page.Coverage.StopJSCoverageAsync();74            Assert.Single(coverage);75            var entry = coverage[0];76            Assert.Single(entry.Ranges);77            var range = entry.Ranges[0];78            Assert.Equal("console.log('used!');", entry.Text.Substring(range.Start, range.End - range.Start));79        }80        [Fact]81        public async Task ShouldReportScriptsThatHaveNoCoverage()82        {83            await Page.Coverage.StartJSCoverageAsync();84            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/unused.html");85            var coverage = await Page.Coverage.StopJSCoverageAsync();86            Assert.Single(coverage);87            var entry = coverage[0];88            Assert.Contains("unused.html", entry.Url);89            Assert.Empty(entry.Ranges);90        }91        [Fact]92        public async Task ShouldWorkWithConditionals()93        {94            const string involved = @"[95              {96                ""Url"": ""http://localhost:<PORT>/jscoverage/involved.html"",97                ""Ranges"": [98                  {99                    ""Start"": 0,100                    ""End"": 35101                  },102                  {103                    ""Start"": 50,104                    ""End"": 100105                  },106                  {107                    ""Start"": 107,108                    ""End"": 141109                  },110                  {111                    ""Start"": 148,112                    ""End"": 160113                  },114                  {115                    ""Start"": 168,116                    ""End"": 207117                  }118                ],119                ""Text"": ""\nfunction foo() {\n  if (1 > 2)\n    console.log(1);\n  if (1 < 2)\n    console.log(2);\n  let x = 1 > 2 ? 'foo' : 'bar';\n  let y = 1 < 2 ? 'foo' : 'bar';\n  let z = () => {};\n  let q = () => {};\n  q();\n}\n\nfoo();\n""120              }121            ]";122            await Page.Coverage.StartJSCoverageAsync();123            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/involved.html");124            var coverage = await Page.Coverage.StopJSCoverageAsync();125            Assert.Equal(126                TestUtils.CompressText(involved),127                Regex.Replace(TestUtils.CompressText(JsonConvert.SerializeObject(coverage)), @"\d{4}\/", "<PORT>/"));128        }129    }130}...

Coverage.cs

Source:Coverage.cs

...20        /// Starts JS coverage21        /// </summary>22        /// <param name="options">Set of configurable options for coverage</param>23        /// <returns>A task that resolves when coverage is started</returns>24        public Task StartJSCoverageAsync(CoverageStartOptions options = null)25            => _jsCoverage.StartAsync(options ?? new CoverageStartOptions());26        /// <summary>27        /// Stops JS coverage and returns coverage reports for all scripts28        /// </summary>29        /// <returns>Task that resolves to the array of coverage reports for all stylesheets</returns>30        /// <remarks>31        /// JavaScript Coverage doesn't include anonymous scripts by default; however, scripts with sourceURLs are reported.32        /// </remarks>33        public Task<CoverageEntry[]> StopJSCoverageAsync() => _jsCoverage.StopAsync();34        /// <summary>35        /// Starts CSS coverage36        /// </summary>37        /// <param name="options">Set of configurable options for coverage</param>38        /// <returns>A task that resolves when coverage is started</returns>...

JSResetOnNavigationTests.cs

Source:JSResetOnNavigationTests.cs

...15        }16        [Fact]17        public async Task ShouldReportScriptsAcrossNavigationsWhenDisabled()18        {19            await Page.Coverage.StartJSCoverageAsync(new CoverageStartOptions20            {21                ResetOnNavigation = false22            });23            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/multiple.html");24            await Page.GoToAsync(TestConstants.EmptyPage);25            var coverage = await Page.Coverage.StopJSCoverageAsync();26            Assert.Equal(2, coverage.Length);27        }28        [Fact]29        public async Task ShouldNotReportScriptsAcrossNavigationsWhenEnabled()30        {31            await Page.Coverage.StartJSCoverageAsync();32            await Page.GoToAsync(TestConstants.ServerUrl + "/jscoverage/multiple.html");33            await Page.GoToAsync(TestConstants.EmptyPage);34            var coverage = await Page.Coverage.StopJSCoverageAsync();35            Assert.Empty(coverage);36        }37    }38}...

StartJSCoverageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().GetAwaiter().GetResult();9        }10        static async Task MainAsync()11        {12            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))13            {14                using (var page = await browser.NewPageAsync())15                {16                    await page.TypeAsync("input[title='Search']", "PuppeteerSharp", new TypeOptions { Delay = 100 });17                    await page.ClickAsync("input[value='Google Search']");18                    await page.WaitForNavigationAsync();19                    var coverage = await page.Coverage.StartJSCoverageAsync();20                    await page.ClickAsync("input[value='Google Search']");21                    await page.WaitForNavigationAsync();22                    var coverageResult = await page.Coverage.StopJSCoverageAsync();23                    foreach (var entry in coverageResult)24                    {25                        Console.WriteLine(entry.Url);26                        Console.WriteLine(entry.Text);27                    }28                }29            }30        }31    }32}33(function(){var e=this||self;var f=function(a,b){a=a.split(".");b=b||e;for(var c=0;c<a.length;c++){if(b[a[c]]!=null){b=b[a[c]]}else{return null}}return b};var g=function(a){var b=f("Symbol.iterator",a);return b!=null?b:function(){return{next:function(){return{done:!0,value:void 0}}}}};var h=function(a,b){return Object.prototype.hasOwnProperty.call(a,b)};var k=function(){var a=0;return function(b){return"jscomp_symbol_"+(b||"")+a++}}();var l=function(){var a=0;return function(b){return b.__jscomp_unique_id__||(b.__jscomp_unique_id__=++a)}}();var m=function(a,b){a instanceof String&&(a=String(a));for(var c=0;c<a.length;c++){var d;a:{d=c;d=Number(d);if(d!=d||0==d){d=void 0;break a}d=d==0?0:0<d?Math.floor(d):Math.ceil(d)}var e=d;a.charAt(e);

StartJSCoverageAsync

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3using PuppeteerSharp.PageCoverage;4using System.IO;5using System;6{7    {8        static async Task Main(string[] args)9        {10            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12                Args = new string[] { "--no-sandbox" }13            }))14            {15                var page = await browser.NewPageAsync();16                var coverage = new Coverage(page);17                await coverage.StartJSCoverageAsync();18                var jsCoverage = await coverage.StopJSCoverageAsync();19                SaveCoverage(jsCoverage, "google.com");20                await browser.CloseAsync();21            }22        }23        private static void SaveCoverage(JSCoverage[] jsCoverage, string url)24        {25            var coverage = new CoverageInfo();26            foreach (var entry in jsCoverage)27            {28                var urlCoverage = new UrlCoverage();29                urlCoverage.Url = entry.Url;30                urlCoverage.Functions = new FunctionCoverage[entry.Functions.Length];31                for (int i = 0; i < entry.Functions.Length; i++)32                {33                    var function = entry.Functions[i];34                    var functionCoverage = new FunctionCoverage();35                    functionCoverage.FunctionName = function.FunctionName;36                    functionCoverage.Ranges = new RangeCoverage[function.Ranges.Length];37                    for (int j = 0; j < function.Ranges.Length; j++)38                    {39                        var range = function.Ranges[j];40                        var rangeCoverage = new RangeCoverage();41                        rangeCoverage.Count = range.Count;42                        rangeCoverage.StartOffset = range.StartOffset;43                        rangeCoverage.EndOffset = range.EndOffset;44                        functionCoverage.Ranges[j] = rangeCoverage;45                    }46                    urlCoverage.Functions[i] = functionCoverage;47                }48                coverage.UrlCoverages.Add(urlCoverage);49            }50            var json = Newtonsoft.Json.JsonConvert.SerializeObject(coverage);51            var fileName = $"{url.Replace(".", "_")}.json";52            File.WriteAllText(fileName, json);53        }54    }

StartJSCoverageAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2await page.StartJSCoverageAsync();3await page.EvaluateFunctionAsync("() => console.log('Hello World!')");4var result = await page.StopJSCoverageAsync();5foreach (var entry in result)6{7    Console.WriteLine(entry.Url);8    Console.WriteLine(entry.Text);9}10(function(){var a=window;var b=a.document;var c=a.navigator;var d=a.location;var e=a.history;var f=a.screen;var g=a.performance;var h=a.external;var k=a.chrome;var l=a.opera;var m=a.opera;var n=a.opera;var p=a.opera;var q=a.opera;var r=a.opera;var t=a.opera;var u=a.opera;var v=a.opera;var w=a.opera;var x=a.opera;var y=a.opera;var z=a.opera;var A=a.opera;var B=a.opera;var C=a.opera;var D=a.opera;var E=a.opera;var F=a.opera;var G=a.opera;var H=a.opera;var I=a.opera;var J=a.opera;var K=a.opera;var L=a.opera;var M=a.opera;var N=a.opera;var O=a.opera;var P=a.opera;var Q=a.opera;var R=a.opera;var S=a.opera;var T=a.opera;var U=a.opera;var V=a.opera;var W=a.opera;var X=a.opera;var Y=a.opera;var Z=a.opera;var aa=a.opera;var ba=a.opera;var ca=a.opera;var da=a.opera;var ea=a.opera;var fa=a.opera;var ga=a.opera;var ha=a.opera;var ia=a.opera;var ja=a.opera;var ka=a.opera;var la=a.opera;var ma=a.opera;var na=a.opera;var oa=a.opera;var pa=a.opera;var qa=a.opera;var ra=a.opera;var sa=a.op

StartJSCoverageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            var browser = await Puppeteer.LaunchAsync(options);10            var page = await browser.NewPageAsync();11            await page.Coverage.StartJSCoverageAsync();12            await Task.Delay(10000);13            var coverage = await page.Coverage.StopJSCoverageAsync();14            foreach (var entry in coverage)15            {16                Console.WriteLine(entry.Url);17                foreach (var range in entry.Ranges)18                {19                    Console.WriteLine(range.Start + " " + range.End);20                }21            }22            await browser.CloseAsync();23        }24    }25}

StartJSCoverageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        public static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.Coverage.StartJSCoverageAsync();13            var coverage = await page.Coverage.StopJSCoverageAsync();14            foreach (var entry in coverage)15            {16                Console.WriteLine(entry.Url);17                foreach (var range in entry.Ranges)18                {19                    Console.WriteLine($"Start: {range.Start}, End: {range.End}");20                }21            }22            await browser.CloseAsync();23        }24    }25}26using System;27using System.Threading.Tasks;28using PuppeteerSharp;29{30    {31        public static async Task Main(string[] args)32        {33            var browser = await Puppeteer.LaunchAsync(new LaunchOptions34            {35            });36            var page = await browser.NewPageAsync();37            await page.Coverage.StartCSSCoverageAsync();38            var coverage = await page.Coverage.StopCSSCoverageAsync();39            foreach (var entry in coverage)40            {41                Console.WriteLine(entry.Url);42                foreach (var range in entry.Ranges)43                {44                    Console.WriteLine($"Start: {range.Start}, End: {range.End}");45                }46            }

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