public async Task ProcessAsync_SetsSuffixOnContext()
{
// Arrange
var inputContext = new TextInputContext();
var context = new TagHelperContext(
tagName: "govuk-input-suffix",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(TextInputContext), inputContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-input-suffix",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Suffix"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new TextInputSuffixTagHelper();
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.True(inputContext.Suffix.HasValue);
Assert.Equal("Suffix", inputContext.Suffix.Value.Content.RenderToString());
}
public InputTransformer(ITextMiddleware readMiddleware, ITextMiddleware[] middlewares, ITextContentWriter writer, TextInputContext ctx)
{
_readMiddleware = readMiddleware;
_middlewares = middlewares;
_writer = writer;
_ctx = ctx;
}
public void SetLabel_AlreadyGotSuffix_ThrowsInvalidOperationException()
{
// Arrange
var context = new TextInputContext();
context.SetSuffix(attributes: null, content: new HtmlString("Prefix"));
// Act
var ex = Record.Exception(() => context.SetLabel(false, null, new HtmlString("Error")));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-input-label> must be specified before <govuk-input-suffix>.", ex.Message);
}
public void SetSuffix_AlreadySet_ThrowsInvalidOperationException()
{
// Arrange
var context = new TextInputContext();
context.SetSuffix(attributes: null, content: new HtmlString("Existing prefix"));
// Act
var ex = Record.Exception(() => context.SetSuffix(null, new HtmlString("Prefix")));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("Only one <govuk-input-suffix> element is permitted within each <govuk-input>.", ex.Message);
}
private async Task <InputItems> ExecuteAsync(IStaticSite site, IInput input, ITextMiddleware[] middlewares, bool write)
{
try
{
var textContext = new TextInputContext(site, input);
var executor = new InputTransformer(_readMiddleware, middlewares, write ? _writer : null, textContext);
await executor.ExecuteAsync().ConfigureAwait(false);
return(textContext.Items);
}
catch (Exception e)
{
throw new ParseException($"Error while parsing file {input.RelativeName}", e);
}
}
