public void SetHtmlContent_TextIsNotFurtherEncoded()
{
// Arrange
var tagHelperContent = new DefaultTagHelperContent();
// Act
tagHelperContent.SetHtmlContent("Hi");
// Assert
Assert.Equal("Hi", tagHelperContent.GetContent(new HtmlTestEncoder()));
}
public void SetHtmlContent_TextIsNotFurtherEncoded()
{
// Arrange
var tagHelperContent = new DefaultTagHelperContent();
// Act
tagHelperContent.SetHtmlContent("Hi");
// Assert
Assert.Equal("Hi", tagHelperContent.GetContent(new HtmlTestEncoder()));
}
public void SetHtmlContent_ClearsExistingContent()
{
// Arrange
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml("Contoso");
// Act
tagHelperContent.SetHtmlContent("Hello World!");
// Assert
Assert.Equal("Hello World!", tagHelperContent.GetContent(new HtmlTestEncoder()));
}
public void SetHtmlContent_ClearsExistingContent()
{
// Arrange
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml("Contoso");
// Act
tagHelperContent.SetHtmlContent("Hello World!");
// Assert
Assert.Equal("Hello World!", tagHelperContent.GetContent(new HtmlTestEncoder()));
}
public static void AddClass()
{
var output = new TagHelperOutput("div", new TagHelperAttributeList(), (result, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetHtmlContent(string.Empty);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
output.AddClass("");
output.Attributes.ContainsName("class").ShouldBeFalse();
output.AddClass("test");
output.Attributes["class"].Value.ShouldBe("test");
}
public void SetHtmlContent_WithTagHelperContent_WorksAsExpected(string content, string expected)
{
// Arrange
var tagHelperContent = new DefaultTagHelperContent();
var copiedTagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(content);
// Act
copiedTagHelperContent.SetHtmlContent(tagHelperContent);
// Assert
Assert.Equal(expected, copiedTagHelperContent.GetContent(new HtmlTestEncoder()));
}
public void SetHtmlContent_WithTagHelperContent_WorksAsExpected(string content, string expected)
{
// Arrange
var tagHelperContent = new DefaultTagHelperContent();
var copiedTagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(content);
// Act
copiedTagHelperContent.SetHtmlContent(tagHelperContent);
// Assert
Assert.Equal(expected, copiedTagHelperContent.GetContent(new HtmlTestEncoder()));
}
private static TagHelperOutput GetTagHelperOutput(
string tagName = "distributed-cache",
TagHelperAttributeList attributes = null,
string childContent = "some child content")
{
attributes = attributes ?? new TagHelperAttributeList { { "attr", "value" } };
return new TagHelperOutput(
tagName,
attributes,
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetHtmlContent(childContent);
return Task.FromResult<TagHelperContent>(tagHelperContent);
});
}
public async Task ProcessAsync_ExceptionInProcessing_DoesntBlockConcurrentRequests()
{
// Arrange
var childContent = "some-content";
var resetEvent1 = new ManualResetEvent(false);
var resetEvent2 = new ManualResetEvent(false);
var resetEvent3 = new ManualResetEvent(false);
var calls = 0;
var formatter = GetFormatter();
var storage = GetStorage();
var service = new DistributedCacheTagHelperService(
storage,
formatter,
new HtmlTestEncoder(),
NullLoggerFactory.Instance
);
var tagHelperContext1 = GetTagHelperContext();
var tagHelperContext2 = GetTagHelperContext();
var tagHelperOutput1 = new TagHelperOutput(
"distributed-cache",
new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
calls++;
resetEvent2.Set();
throw new Exception();
});
var tagHelperOutput2 = new TagHelperOutput(
"distributed-cache",
new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
calls++;
resetEvent3.WaitOne(5000);
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetHtmlContent(childContent);
return Task.FromResult<TagHelperContent>(tagHelperContent);
});
var cacheTagHelper1 = new DistributedCacheTagHelper(
service,
new HtmlTestEncoder())
{
ViewContext = GetViewContext(),
Enabled = true
};
var cacheTagHelper2 = new DistributedCacheTagHelper(
service,
new HtmlTestEncoder())
{
ViewContext = GetViewContext(),
Enabled = true
};
// Act
var task1 = Task.Run(async () =>
{
resetEvent1.WaitOne(5000);
await Assert.ThrowsAsync<Exception>(() => cacheTagHelper1.ProcessAsync(tagHelperContext1, tagHelperOutput1));
resetEvent3.Set();
});
var task2 = Task.Run(async () =>
{
resetEvent2.WaitOne(5000);
await cacheTagHelper2.ProcessAsync(tagHelperContext2, tagHelperOutput2);
});
resetEvent1.Set();
await Task.WhenAll(task1, task2);
// Assert
Assert.Empty(tagHelperOutput1.PreContent.GetContent());
Assert.Empty(tagHelperOutput1.PostContent.GetContent());
Assert.False(tagHelperOutput1.IsContentModified);
Assert.Empty(tagHelperOutput1.Content.GetContent());
Assert.Empty(tagHelperOutput2.PreContent.GetContent());
Assert.Empty(tagHelperOutput2.PostContent.GetContent());
Assert.True(tagHelperOutput2.IsContentModified);
Assert.Equal(childContent, tagHelperOutput2.Content.GetContent());
Assert.Equal(2, calls);
}
