public void SetItem_OutsideOfFieldset_ThrowsInvalidOperationException()
{
// Arrange
var context = new DateInputContext(haveExplicitValue: false);
context.OpenFieldset();
var fieldsetContext = new DateInputFieldsetContext(attributes: null);
context.CloseFieldset(fieldsetContext);
// Act
var ex = Record.Exception(() => context.SetItem(DateInputItemType.Month, new DateInputContextItem()));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-date-input-month> must be inside <govuk-date-input-fieldset>.", ex.Message);
}
public async Task ProcessAsync_ParentAlreadyHasFieldset_ThrowsInvalidOperationException()
{
// Arrange
var dateInputContext = new DateInputContext(haveExplicitValue: false);
dateInputContext.OpenFieldset();
var checkboxesFieldsetContext = new DateInputFieldsetContext(attributes: null);
checkboxesFieldsetContext.SetLegend(isPageHeading: false, attributes: null, content: new HtmlString("Existing legend"));
dateInputContext.CloseFieldset(checkboxesFieldsetContext);
var context = new TagHelperContext(
tagName: "govuk-date-input-fieldset",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(DateInputContext), dateInputContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-date-input-fieldset",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var fieldsetContext = context.GetContextItem <DateInputFieldsetContext>();
fieldsetContext.SetLegend(isPageHeading: true, attributes: null, content: new HtmlString("Legend"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputFieldsetTagHelper();
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("Only one <govuk-date-input-fieldset> element is permitted within each <govuk-date-input>.", ex.Message);
}
public void SetHint_OutsideOfFieldset_ThrowsInvalidOperationException()
{
// Arrange
var context = new DateInputContext(haveExplicitValue: false);
var item = new DateInputContextItem()
{
LabelContent = new HtmlString("Day")
};
context.OpenFieldset();
var fieldsetContext = new DateInputFieldsetContext(attributes: null);
context.CloseFieldset(fieldsetContext);
// Act
var ex = Record.Exception(() => context.SetHint(attributes: null, new HtmlString("Hint")));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-date-input-hint> must be inside <govuk-date-input-fieldset>.", ex.Message);
}
public async Task ProcessAsync_AddsLegendToContext()
{
// Arrange
var fieldsetContext = new DateInputFieldsetContext(attributes: null);
var context = new TagHelperContext(
tagName: "govuk-date-input-fieldset-legend",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(DateInputFieldsetContext), fieldsetContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-date-input-fieldset-legend",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Legend content");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputFieldsetLegendTagHelper()
{
IsPageHeading = true
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Equal("Legend content", fieldsetContext.Legend?.Content.RenderToString());
Assert.True(fieldsetContext.Legend?.IsPageHeading);
}
public async Task ProcessAsync_WithFieldset_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-date-input",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-date-input",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var dateInputContext = context.GetContextItem <DateInputContext>();
dateInputContext.OpenFieldset();
var dateInputFieldsetContext = new DateInputFieldsetContext(attributes: null);
dateInputFieldsetContext.SetLegend(isPageHeading: false, attributes: null, content: new HtmlString("Legend"));
dateInputContext.CloseFieldset(dateInputFieldsetContext);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputTagHelper(Options.Create(new GovUkFrontendAspNetCoreOptions()), new DateInputParseErrorsProvider())
{
DescribedBy = "describedby",
Id = "my-id",
NamePrefix = "my-name",
Value = new Date(2020, 4, 1)
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-form-group"">
<fieldset class=""govuk-fieldset"" role=""group"" aria-describedby=""describedby"">
<legend class=""govuk-fieldset__legend"">
Legend
</legend>
<div class=""govuk-date-input"" id=""my-id"">
<div class=""govuk-date-input__item"">
<div class=""govuk-form-group"">
<label class=""govuk-date-input__label govuk-label"" for=""my-id.Day"">Day</label>
<input class=""govuk-input--width-2 govuk-date-input__input govuk-input"" id=""my-id.Day"" inputmode=""numeric"" name=""my-name.Day"" type=""text"" value=""1"">
</div>
</div>
<div class=""govuk-date-input__item"">
<div class=""govuk-form-group"">
<label class=""govuk-date-input__label govuk-label"" for=""my-id.Month"">Month</label>
<input class=""govuk-input--width-2 govuk-date-input__input govuk-input"" id=""my-id.Month"" inputmode=""numeric"" name=""my-name.Month"" type=""text"" value=""4"">
</div>
</div>
<div class=""govuk-date-input__item"">
<div class=""govuk-form-group"">
<label class=""govuk-date-input__label govuk-label"" for=""my-id.Year"">Year</label>
<input class=""govuk-input--width-4 govuk-date-input__input govuk-input"" id=""my-id.Year"" inputmode=""numeric"" name=""my-name.Year"" type=""text"" value=""2020"">
</div>
</div>
</div>
</fieldset>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}