public void RenderComponent_ComponentReferenceNoops()
{
// Arrange
var dispatcher = Renderer.CreateDefaultDispatcher();
var expectedHtml = new[] {
"<", "p", ">", "<", "span", ">", "Hello world!", "</", "span", ">", "</", "p", ">",
"<", "span", ">", "Child content!", "</", "span", ">"
};
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.OpenElement(1, "span");
rtb.AddContent(2, "Hello world!");
rtb.CloseElement();
rtb.CloseElement();
rtb.OpenComponent(3, typeof(ChildComponent));
rtb.AddAttribute(4, "Value", "Child content!");
rtb.AddComponentReferenceCapture(5, cr => { });
rtb.CloseComponent();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder, dispatcher);
// Act
var result = GetResult(dispatcher.Invoke(() => htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty)));
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_ElementRefsNoops()
{
// Arrange
var dispatcher = Renderer.CreateDefaultDispatcher();
var expectedHtml = new[] {
"<", "p", ">", "<", "span", ">", "Hello world!", "</", "span", ">", "</", "p", ">"
};
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.AddElementReferenceCapture(1, er => { });
rtb.OpenElement(2, "span");
rtb.AddContent(3,
// This internally creates a region frame.
rf => rf.AddContent(0, "Hello world!"));
rtb.CloseElement();
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder, dispatcher);
// Act
var result = GetResult(dispatcher.Invoke(() => htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty)));
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanRenderComponentWithRenderFragmentContent()
{
// Arrange
var expectedHtml = new[] {
"<", "p", ">", "<", "span", ">", "Hello world!", "</", "span", ">", "</", "p", ">"
};
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.OpenElement(1, "span");
rtb.AddContent(2,
// This internally creates a region frame.
rf => rf.AddContent(0, "Hello world!"));
rtb.CloseElement();
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder);
// Act
var result = htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty);
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanRenderWithMultipleChildren()
{
// Arrange
var dispatcher = Renderer.CreateDefaultDispatcher();
var expectedHtml = new[] { "<", "p", ">",
"<", "span", ">", "Hello world!", "</", "span", ">",
"<", "span", ">", "Bye Bye world!", "</", "span", ">",
"</", "p", ">" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.OpenElement(1, "span");
rtb.AddContent(2, "Hello world!");
rtb.CloseElement();
rtb.OpenElement(3, "span");
rtb.AddContent(4, "Bye Bye world!");
rtb.CloseElement();
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder, dispatcher);
// Act
var result = GetResult(dispatcher.Invoke(() => htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty)));
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanPassParameters()
{
// Arrange
var expectedHtml = new[] {
"<", "p", ">", "<", "input", " ", "value", "=", "\"", "5", "\"", " />", "</", "p", ">"
};
RenderFragment Content(ParameterCollection pc) => new RenderFragment((RenderTreeBuilder rtb) =>
{
rtb.OpenElement(0, "p");
rtb.OpenElement(1, "input");
rtb.AddAttribute(2, "change", pc.GetValueOrDefault <Action <UIChangeEventArgs> >("update"));
rtb.AddAttribute(3, "value", pc.GetValueOrDefault <int>("value"));
rtb.CloseElement();
rtb.CloseElement();
});
var serviceProvider = new ServiceCollection()
.AddSingleton(new Func <ParameterCollection, RenderFragment>(Content))
.BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder);
Action <UIChangeEventArgs> change = (UIChangeEventArgs changeArgs) => throw new InvalidOperationException();
// Act
var result = htmlRenderer.RenderComponent <ComponentWithParameters>(
new ParameterCollection(new[] {
RenderTreeFrame.Element(0, string.Empty),
RenderTreeFrame.Attribute(1, "update", change),
RenderTreeFrame.Attribute(2, "value", 5)
}, 0));
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanRenderComponentWithChildrenComponents()
{
// Arrange
var expectedHtml = new[] {
"<", "p", ">", "<", "span", ">", "Hello world!", "</", "span", ">", "</", "p", ">",
"<", "span", ">", "Child content!", "</", "span", ">"
};
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.OpenElement(1, "span");
rtb.AddContent(2, "Hello world!");
rtb.CloseElement();
rtb.CloseElement();
rtb.OpenComponent(3, typeof(ChildComponent));
rtb.AddAttribute(4, "Value", "Child content!");
rtb.CloseComponent();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder);
// Act
var result = htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty);
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanRenderEmptyElement()
{
// Arrange
var expectedHtml = new[] { "<", "p", ">", "</", "p", ">" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder);
// Act
var result = htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty);
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_DoesNotEncodeMarkup()
{
// Arrange
var dispatcher = Renderer.CreateDefaultDispatcher();
var expectedHtml = new[] { "<", "p", ">", "<span>Hello world!</span>", "</", "p", ">" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.AddMarkupContent(1, "<span>Hello world!</span>");
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder, dispatcher);
// Act
var result = GetResult(dispatcher.Invoke(() => htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty)));
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_DoesNotRenderBooleanAttributesWhenValueIsFalse()
{
// Arrange
var expectedHtml = new[] { "<", "input", " />" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "input");
rtb.AddAttribute(1, "disabled", false);
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder);
// Act
var result = htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty);
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanRenderBooleanAttributes()
{
// Arrange
var dispatcher = Renderer.CreateDefaultDispatcher();
var expectedHtml = new[] { "<", "input", " ", "disabled", " />" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "input");
rtb.AddAttribute(1, "disabled", true);
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder, dispatcher);
// Act
var result = GetResult(dispatcher.Invoke(() => htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty)));
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_CanRenderWithAttributes()
{
// Arrange
var expectedHtml = new[] { "<", "p", " ", "class", "=", "\"", "lead", "\"", ">", "Hello world!", "</", "p", ">" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.AddAttribute(1, "class", "lead");
rtb.AddContent(2, "Hello world!");
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder);
// Act
var result = htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty);
// Assert
Assert.Equal(expectedHtml, result);
}
public void RenderComponent_HtmlEncodesAttributeValues()
{
// Arrange
var dispatcher = Renderer.CreateDefaultDispatcher();
var expectedHtml = new[] { "<", "p", " ", "class", "=", "\"", "<lead", "\"", ">", "Hello world!", "</", "p", ">" };
var serviceProvider = new ServiceCollection().AddSingleton(new RenderFragment(rtb =>
{
rtb.OpenElement(0, "p");
rtb.AddAttribute(1, "class", "<lead");
rtb.AddContent(2, "Hello world!");
rtb.CloseElement();
})).BuildServiceProvider();
var htmlRenderer = new HtmlRenderer(serviceProvider, _encoder, dispatcher);
// Act
var result = GetResult(dispatcher.Invoke(() => htmlRenderer.RenderComponent <TestComponent>(ParameterCollection.Empty)));
// Assert
Assert.Equal(expectedHtml, result);
}