public async Task ProcessAsync_MissingIconFallbackTextThrowsInvalidOperationException()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-phase-banner",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-phase-banner",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Phase message");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PhaseBannerTagHelper(new DefaultGovUkHtmlGenerator());
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => tagHelper.ProcessAsync(context, output));
Assert.Equal("You must specify a <govuk-phase-banner-tag> child element.", ex.Message);
}
public async Task ProcessAsync_MissingIconFallbackText_ThrowsInvalidOperationException()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-phase-banner",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-phase-banner",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Phase message");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PhaseBannerTagHelper(new ComponentGenerator());
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("A <govuk-phase-banner-tag> element must be provided.", ex.Message);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-phase-banner",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-phase-banner",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var pbContext = (PhaseBannerContext)context.Items[typeof(PhaseBannerContext)];
pbContext.TrySetTag(attributes: null, content: new HtmlString("Alpha"));
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Phase message");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PhaseBannerTagHelper(new DefaultGovUkHtmlGenerator());
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
Assert.Equal(
"<div class=\"govuk-phase-banner\">" +
"<p class=\"govuk-phase-banner__content\">" +
"<strong class=\"govuk-phase-banner__content__tag govuk-tag\">Alpha</strong>" +
"<span class=\"govuk-phase-banner__text\">Phase message</span>" +
"</p>" +
"</div>",
html);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-phase-banner",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-phase-banner",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var pbContext = context.GetContextItem <PhaseBannerContext>();
pbContext.SetTag(new AttributeDictionary(), content: new HtmlString("Alpha"));
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Phase message");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PhaseBannerTagHelper();
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-phase-banner"">
<p class=""govuk-phase-banner__content"">
<strong class=""govuk-phase-banner__content__tag govuk-tag"">Alpha</strong>
<span class=""govuk-phase-banner__text"">Phase message</span>
</p>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}
