public async Task ExecutionContext_Reinitialize_UpdatesTagHelperOutputAsExpected()
{
// Arrange
var tagName = "div";
var tagMode = TagMode.StartTagOnly;
var callCount = 0;
Func <Task> executeChildContentAsync = () =>
{
callCount++;
return(Task.FromResult(true));
};
Action <HtmlEncoder> startTagHelperWritingScope = _ => { };
Func <TagHelperContent> endTagHelperWritingScope = () => null;
var executionContext = new TagHelperExecutionContext(
tagName,
tagMode,
items: new Dictionary <object, object>(),
uniqueId: string.Empty,
executeChildContentAsync: executeChildContentAsync,
startTagHelperWritingScope: startTagHelperWritingScope,
endTagHelperWritingScope: endTagHelperWritingScope);
var updatedTagName = "p";
var updatedTagMode = TagMode.SelfClosing;
var updatedCallCount = 0;
Func <Task> updatedExecuteChildContentAsync = () =>
{
updatedCallCount++;
return(Task.FromResult(true));
};
executionContext.AddHtmlAttribute(new TagHelperAttribute("something"));
// Act - 1
executionContext.Reinitialize(
updatedTagName,
updatedTagMode,
items: new Dictionary <object, object>(),
uniqueId: string.Empty,
executeChildContentAsync: updatedExecuteChildContentAsync);
executionContext.AddHtmlAttribute(new TagHelperAttribute("Another attribute"));
// Assert - 1
var output = executionContext.Output;
Assert.Equal(updatedTagName, output.TagName);
Assert.Equal(updatedTagMode, output.TagMode);
var attribute = Assert.Single(output.Attributes);
Assert.Equal("Another attribute", attribute.Name);
// Act - 2
await output.GetChildContentAsync();
// Assert - 2
Assert.Equal(0, callCount);
Assert.Equal(1, updatedCallCount);
}
public void ExecutionContext_Reinitialize_UpdatesTagHelperContextAsExpected()
{
// Arrange
var tagName = "div";
var tagMode = TagMode.StartTagOnly;
var items = new Dictionary <object, object>();
var uniqueId = "some unique id";
var callCount = 0;
Func <Task> executeChildContentAsync = () =>
{
callCount++;
return(Task.FromResult(true));
};
Action <HtmlEncoder> startWritingScope = _ => { };
Func <TagHelperContent> endWritingScope = () => null;
var executionContext = new TagHelperExecutionContext(
tagName,
tagMode,
items,
uniqueId,
executeChildContentAsync,
startWritingScope,
endWritingScope);
var updatedItems = new Dictionary <object, object>();
var updatedUniqueId = "another unique id";
executionContext.AddHtmlAttribute(new TagHelperAttribute("something"));
// Act
executionContext.Reinitialize(
tagName,
tagMode,
updatedItems,
updatedUniqueId,
executeChildContentAsync);
executionContext.AddHtmlAttribute(new TagHelperAttribute("Another attribute"));
// Assert
var context = executionContext.Context;
var attribute = Assert.Single(context.AllAttributes);
Assert.Equal(tagName, context.TagName);
Assert.Equal("Another attribute", attribute.Name);
Assert.Equal(updatedUniqueId, context.UniqueId);
Assert.Same(updatedItems, context.Items);
}
