public async Task GetDownloadsOfExampleDocumentWithCssAndJsShouldYieldAllResources()
{
var scripting = new CallbackScriptEngine(_ => { }, AngleSharp.Network.MimeTypeNames.DefaultJavaScript);
var config = Configuration.Default.WithCss().WithScripts(scripting).WithDefaultLoader(setup => setup.IsResourceLoadingEnabled = true);
var content = @"<link rel=stylesheet type=text/css href=bootstraph.css>
<link rel=stylesheet type=text/css href=fontawesome.css>
<link rel=stylesheet type=text/css href=style.css>
<body>
<img src=foo.png>
<iframe src=foo.html></iframe>
<script>alert('Hello World!');</script>
<script src=test.js></script>
</body>";
var document = await BrowsingContext.New(config).OpenAsync(res => res.Content(content).Address("http://localhost"));
var downloads = document.GetDownloads().ToArray();
Assert.AreEqual(6, downloads.Length);
foreach (var download in downloads)
{
Assert.IsTrue(download.IsCompleted);
Assert.IsNotNull(download.Originator);
}
Assert.AreEqual(document.QuerySelectorAll("link").Skip(0).First(), downloads[0].Originator);
Assert.AreEqual(document.QuerySelectorAll("link").Skip(1).First(), downloads[1].Originator);
Assert.AreEqual(document.QuerySelectorAll("link").Skip(2).First(), downloads[2].Originator);
Assert.AreEqual(document.QuerySelector("img"), downloads[3].Originator);
Assert.AreEqual(document.QuerySelector("iframe"), downloads[4].Originator);
Assert.AreEqual(document.QuerySelectorAll("script").Skip(1).First(), downloads[5].Originator);
}
public async Task ProxyShouldBeAvailableDuringLoading()
{
var windowIsNotNull = false;
var scripting = new CallbackScriptEngine(options => windowIsNotNull = options.Context.Proxy != null);
var config = Configuration.Default.WithScripts(scripting).WithMockRequester();
var source = "<title>Some title</title><body><script type='c-sharp' src='foo.cs'></script>";
var document = await BrowsingContext.New(config).OpenAsync(m => m.Content(source).Address("http://www.example.com"));
Assert.IsTrue(windowIsNotNull);
}
public async Task CallbackOnAnEmptyPageWorksDuringLoading()
{
var html = "<!doctype html><span id=test>Test</span><script type='c-sharp'>//...</script>";
var script = new CallbackScriptEngine(opt => opt.Document.Location.Href = "/foo");
var config = Configuration.Default.WithScripts(script);
var context = BrowsingContext.New(config);
await context.OpenAsync(m => m.Content(html).Address("http://example.com"));
Assert.AreEqual("http://example.com/foo", context.Active.Location.Href);
}
public async Task DocumentWriteConsecutiveWithCustomScriptEngine()
{
var scripting = new CallbackScriptEngine(options =>
{
options.Document.Write("foo");
options.Document.Write("bar");
});
var config = Configuration.Default.WithScripts(scripting).WithMockRequester();
var source = "<title>Some title</title><body><script type='c-sharp' src='foo.cs'></script>";
var document = await BrowsingContext.New(config).OpenAsync(m => m.Content(source).Address("http://www.example.com"));
Assert.AreEqual("foobar", document.Body.TextContent);
}
public void DocumentWriteDynamicallyWithCustomScriptEngineAndText()
{
var scripting = new CallbackScriptEngine(options => options.Document.Write("<b>Dynamically written</b>"));
var config = Configuration.Default.WithScripts(scripting);
var source = "<title>Some title</title><body><script type='c-sharp'>//...</script>";
var document = source.ToHtmlDocument(config);
var bold = document.QuerySelector("b");
Assert.IsNotNull(document);
Assert.IsNotNull(document.Body.TextContent);
Assert.AreEqual("//...Dynamically written", document.Body.TextContent);
Assert.AreEqual(1, document.QuerySelectorAll("b").Length);
Assert.AreEqual("Dynamically written", bold.TextContent);
}
public async Task CustomScriptEngineHookToLoadFromDocument()
{
var scripting = new CallbackScriptEngine(options =>
{
options.Document.AddEventListener(EventNames.Load, (obj, ev) =>
{
options.Document.Title = "B";
});
});
var config = Configuration.Default.WithScripts(scripting).WithMockRequester();
var source = "<title>A</title><body><script type='c-sharp' src='foo.cs'></script>";
var document = await BrowsingContext.New(config).OpenAsync(m => m.Content(source).Address("http://www.example.com"));
Assert.AreEqual("B", document.Title);
}
public void ChangeTitleDynamicallyWithCustomScriptEngineScriptElementInjectedLater()
{
var expectedTitle = "Other title";
var scripting = new CallbackScriptEngine(options => options.Document.Title = expectedTitle);
var config = Configuration.Default.WithScripts(scripting);
var source = "<title>Original title</title>";
var document = source.ToHtmlDocument(config);
var script = document.CreateElement("script");
script.SetAttribute("type", "c-sharp");
script.TextContent = "// ...";
document.Body.AppendChild(script);
Assert.AreEqual(expectedTitle, document.Title);
}
public async Task DocumentWriteDynamicallyWithCustomScriptEngineAndSource()
{
var baseAddress = "http://www.example.com";
var filename = "foo.cs";
var hasFoo = false;
var scripting = new CallbackScriptEngine(options => options.Document.Write("<b>Dynamically written</b>"));
var config = Configuration.Default.WithScripts(scripting).WithMockRequester(request => hasFoo = request.Address.Href == baseAddress + "/" + filename);
var source = "<title>Some title</title><body><script type='c-sharp' src='" + filename + "'></script>";
var document = await BrowsingContext.New(config).OpenAsync(m => m.Content(source).Address(baseAddress));
var bold = document.QuerySelector("b");
Assert.IsTrue(hasFoo);
Assert.AreEqual("Dynamically written", document.Body.TextContent);
Assert.AreEqual(1, document.QuerySelectorAll("b").Length);
Assert.AreEqual("Dynamically written", bold.TextContent);
}
public async Task DynamicallyAddedScriptWithSourceShouldBeExecutedAfterAppending()
{
var didRun = false;
var scripting = new CallbackScriptEngine(options => didRun = true);
var config = Configuration.Default.WithScripts(scripting).WithMockRequester();
var source = "<title>Some title</title><body>";
var document = await BrowsingContext.New(config).OpenAsync(m => m.Content(source).Address("http://www.example.com"));
var script = document.CreateElement("script");
script.SetAttribute("type", scripting.Type);
script.SetAttribute("src", "foo.cs");
Assert.IsFalse(didRun);
document.Body.AppendChild(script);
Assert.IsTrue(didRun);
}
public async Task DocumentWriteDynamicallyWithCustomScriptEngineAndSourceNested()
{
var index = 0;
var content = new[]
{
"<script type='c-sharp' src='foo2.cs'></script>",
"<b>Dynamically written</b>"
};
var scripting = new CallbackScriptEngine(options => options.Document.Write(content[index++]));
var config = Configuration.Default.WithScripts(scripting).WithMockRequester();
var source = "<title>Some title</title><body><script type='c-sharp' src='foo.cs'></script>";
var document = await BrowsingContext.New(config).OpenAsync(m => m.Content(source).Address("http://www.example.com"));
var bold = document.QuerySelector("b");
Assert.AreEqual("Dynamically written", document.Body.TextContent);
Assert.AreEqual(1, document.QuerySelectorAll("b").Length);
Assert.AreEqual("Dynamically written", bold.TextContent);
Assert.AreEqual(2, index);
}
public async Task JavaScriptWithIntegrityButNoCorsShouldNotBeChecked()
{
var hasBeenChecked = false;
var hasBeenParsed = false;
var scripting = new CallbackScriptEngine(_ =>
{
hasBeenParsed = true;
}, Network.MimeTypeNames.DefaultJavaScript);
var provider = new MockIntegrityProvider((raw, integrity) =>
{
hasBeenChecked = true;
return(false);
});
var config = Configuration.Default.WithScripts(scripting).With(provider).WithMockRequester();
var content = @"<body>
<script src=""https://code.jquery.com/jquery-2.2.4.js"" integrity=""sha256-iT6Q9iMJYuQiMWNd9lDyBUStIq/8PuOW33aOqmvFpqI=""></script>
</body>";
var document = await BrowsingContext.New(config).OpenAsync(res => res.Content(content).Address("http://localhost"));
Assert.IsFalse(hasBeenChecked);
Assert.IsTrue(hasBeenParsed);
}
public static IConfiguration WithScripting(this IConfiguration config)
{
var service = new CallbackScriptEngine(options => { }, MimeTypeNames.DefaultJavaScript);
return(config.With(service));
}