public void CopyConstructor_CopiesExpectedProperties()
{
// Arrange
var httpContext = new DefaultHttpContext();
var originalContext = new ViewContext(
new ActionContext(httpContext, new RouteData(), new ActionDescriptor()),
view: Mock.Of<IView>(),
viewData: new ViewDataDictionary(metadataProvider: new EmptyModelMetadataProvider()),
tempData: new TempDataDictionary(httpContext, Mock.Of<ITempDataProvider>()),
writer: TextWriter.Null,
htmlHelperOptions: new HtmlHelperOptions());
var view = Mock.Of<IView>();
var viewData = new ViewDataDictionary(originalContext.ViewData);
var writer = new HtmlContentWrapperTextWriter(new HtmlContentBuilder(), Encoding.UTF8);
// Act
var context = new ViewContext(originalContext, view, viewData, writer);
// Assert
Assert.Same(originalContext.ActionDescriptor, context.ActionDescriptor);
Assert.Equal(originalContext.ClientValidationEnabled, context.ClientValidationEnabled);
Assert.Same(originalContext.ExecutingFilePath, context.ExecutingFilePath);
Assert.Same(originalContext.FormContext, context.FormContext);
Assert.Equal(originalContext.Html5DateRenderingMode, context.Html5DateRenderingMode);
Assert.Same(originalContext.HttpContext, context.HttpContext);
Assert.Same(originalContext.ModelState, context.ModelState);
Assert.Same(originalContext.RouteData, context.RouteData);
Assert.Same(originalContext.TempData, context.TempData);
Assert.Same(originalContext.ValidationMessageElement, context.ValidationMessageElement);
Assert.Same(originalContext.ValidationSummaryMessageElement, context.ValidationSummaryMessageElement);
Assert.Same(view, context.View);
Assert.Same(viewData, context.ViewData);
Assert.Same(writer, context.Writer);
}
/// <summary>
/// Creates a new instance of <see cref="RazorTextWriter"/>.
/// </summary>
/// <param name="unbufferedWriter">The <see cref="TextWriter"/> to write output to when this instance
/// is no longer buffering.</param>
/// <param name="buffer">The <see cref="ViewBuffer"/> to buffer output to.</param>
/// <param name="encoder">The HTML encoder.</param>
public RazorTextWriter(TextWriter unbufferedWriter, ViewBuffer buffer, HtmlEncoder encoder)
{
UnbufferedWriter = unbufferedWriter;
Buffer = buffer;
HtmlEncoder = encoder;
BufferedWriter = new HtmlContentWrapperTextWriter(buffer, unbufferedWriter.Encoding);
TargetWriter = BufferedWriter;
}
public void Write_Object_HtmlContent_AddsToEntries()
{
// Arrange
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
var content = new HtmlString("Hello, world!");
// Act
writer.Write((object)content);
// Assert
Assert.Collection(
buffer.Values,
item => Assert.Same(content, item));
}
public void Write_Object_HtmlContent_AddsToEntries()
{
// Arrange
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
var content = new HtmlString("Hello, world!");
// Act
writer.Write((object)content);
// Assert
Assert.Collection(
buffer.Values,
item => Assert.Same(content, item));
}
public void Write_SplitsCharBuffer_Into1kbStrings()
{
// Arrange
var charArray = Enumerable.Range(0, 2050).Select(_ => 'a').ToArray();
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(charArray);
// Assert
Assert.Collection(
buffer.Values,
value => Assert.Equal(new string('a', 1024), value),
value => Assert.Equal(new string('a', 1024), value),
value => Assert.Equal("aa", value));
}
public void Write_SplitsCharBuffer_Into1kbStrings()
{
// Arrange
var charArray = Enumerable.Range(0, 2050).Select(_ => 'a').ToArray();
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(charArray);
// Assert
Assert.Collection(
buffer.Values,
value => Assert.Equal(new string('a', 1024), value),
value => Assert.Equal(new string('a', 1024), value),
value => Assert.Equal("aa", value));
}
/// <inheritdoc />
public async Task <IHtmlContent> PartialAsync(
string partialViewName,
object model,
ViewDataDictionary viewData)
{
if (partialViewName == null)
{
throw new ArgumentNullException(nameof(partialViewName));
}
var viewBuffer = new ViewBuffer(_bufferScope, partialViewName);
using (var writer = new HtmlContentWrapperTextWriter(viewBuffer, Encoding.UTF8))
{
await RenderPartialCoreAsync(partialViewName, model, viewData, writer);
return(writer.ContentBuilder);
}
}
public async Task Write_WritesStringBuffer()
{
// Arrange
var newLine = Environment.NewLine;
var input1 = "Hello";
var input2 = "from";
var input3 = "ASP";
var input4 = ".Net";
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(input1);
writer.WriteLine(input2);
await writer.WriteAsync(input3);
await writer.WriteLineAsync(input4);
// Assert
Assert.Equal(new[] { input1, input2, newLine, input3, input4, newLine }, buffer.Values);
}
public async Task Write_WritesCharBuffer()
{
// Arrange
var input1 = new ArraySegment<char>(new char[] { 'a', 'b', 'c', 'd' }, 1, 3);
var input2 = new ArraySegment<char>(new char[] { 'e', 'f' }, 0, 2);
var input3 = new ArraySegment<char>(new char[] { 'g', 'h', 'i', 'j' }, 3, 1);
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(input1.Array, input1.Offset, input1.Count);
await writer.WriteAsync(input2.Array, input2.Offset, input2.Count);
await writer.WriteLineAsync(input3.Array, input3.Offset, input3.Count);
// Assert
Assert.Collection(buffer.Values,
value => Assert.Equal("bcd", value),
value => Assert.Equal("ef", value),
value => Assert.Equal("j", value),
value => Assert.Equal(Environment.NewLine, value));
}
public async Task Write_WritesCharBuffer()
{
// Arrange
var input1 = new ArraySegment <char>(new char[] { 'a', 'b', 'c', 'd' }, 1, 3);
var input2 = new ArraySegment <char>(new char[] { 'e', 'f' }, 0, 2);
var input3 = new ArraySegment <char>(new char[] { 'g', 'h', 'i', 'j' }, 3, 1);
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(input1.Array, input1.Offset, input1.Count);
await writer.WriteAsync(input2.Array, input2.Offset, input2.Count);
await writer.WriteLineAsync(input3.Array, input3.Offset, input3.Count);
// Assert
Assert.Collection(buffer.Values,
value => Assert.Equal("bcd", value),
value => Assert.Equal("ef", value),
value => Assert.Equal("j", value),
value => Assert.Equal(Environment.NewLine, value));
}
private async Task<IHtmlContent> InvokeCoreAsync(
ViewComponentDescriptor descriptor,
object arguments)
{
var viewBuffer = new ViewBuffer(_viewBufferScope, descriptor.FullName);
using (var writer = new HtmlContentWrapperTextWriter(viewBuffer, _viewContext.Writer.Encoding))
{
var context = new ViewComponentContext(
descriptor,
PropertyHelper.ObjectToDictionary(arguments),
_htmlEncoder,
_viewContext,
writer);
var invoker = _invokerFactory.CreateInstance(context);
if (invoker == null)
{
throw new InvalidOperationException(
Resources.FormatViewComponent_IViewComponentFactory_ReturnedNull(descriptor.FullName));
}
await invoker.InvokeAsync(context);
return writer.ContentBuilder;
}
}
public async Task Write_WritesStringBuffer()
{
// Arrange
var newLine = Environment.NewLine;
var input1 = "Hello";
var input2 = "from";
var input3 = "ASP";
var input4 = ".Net";
var buffer = new TestHtmlContentBuilder();
var writer = new HtmlContentWrapperTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(input1);
writer.WriteLine(input2);
await writer.WriteAsync(input3);
await writer.WriteLineAsync(input4);
// Assert
Assert.Equal(new[] { input1, input2, newLine, input3, input4, newLine }, buffer.Values);
}
