public async Task ProcessAsync_WithValue_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 tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputTagHelper(Options.Create(new GovUkFrontendAspNetCoreOptions()), new DateInputParseErrorsProvider())
{
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"">
<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>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}
public async Task ProcessAsync_NullValue_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 formGroupContext = (FormGroupBuilder)context.Items[typeof(FormGroupBuilder)];
formGroupContext.TrySetLabel(
isPageHeading: false,
attributes: null,
content: new HtmlString("The label"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputTagHelper(new DefaultGovUkHtmlGenerator())
{
IdPrefix = "my-id-prefix",
DescribedBy = "describedby",
Name = "my-id",
Value = null
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
var node = HtmlNode.CreateNode(html);
var container = node.ChildNodes.FindFirst("div");
var day = container.SelectNodes("//input").First();
var month = container.SelectNodes("//input").Skip(1).First();
var year = container.SelectNodes("//input").Skip(2).First();
Assert.Equal("", day.Attributes["value"].Value);
Assert.Equal("", month.Attributes["value"].Value);
Assert.Equal("", year.Attributes["value"].Value);
}
public async Task ProcessAsync_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 formGroupContext = (FormGroupBuilder)context.Items[typeof(FormGroupBuilder)];
formGroupContext.TrySetLabel(
isPageHeading: false,
attributes: null,
content: new HtmlString("The label"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputTagHelper(new DefaultGovUkHtmlGenerator())
{
IdPrefix = "my-id",
DescribedBy = "describedby",
Name = "my-name",
Value = new Date(2020, 4, 1)
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
var node = HtmlNode.CreateNode(html);
var container = node.ChildNodes.FindFirst("div");
Assert.Equal(
"<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\" pattern=\"[0-9]*\" 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\" pattern=\"[0-9]*\" 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\" pattern=\"[0-9]*\" type=\"text\" value=\"2020\">" +
"</div>" +
"</div>" +
"</div>",
container.OuterHtml);
}
public async Task ProcessAsync_HaveErrorClassesWhenErrorSpecified(
DateInputErrorItems?specifiedErrorItems,
bool expectDayError,
bool expectMonthError,
bool expectYearError)
{
// 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 formGroupContext = (FormGroupBuilder)context.Items[typeof(FormGroupBuilder)];
formGroupContext.TrySetLabel(
isPageHeading: false,
attributes: null,
content: new HtmlString("The label"));
formGroupContext.TrySetErrorMessage(
visuallyHiddenText: null,
attributes: null,
content: new HtmlString("Error"));
if (specifiedErrorItems != null)
{
var dateInputContext = (DateInputContext)context.Items[typeof(DateInputContext)];
dateInputContext.SetErrorItems(specifiedErrorItems.Value);
}
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DateInputTagHelper(new DefaultGovUkHtmlGenerator())
{
IdPrefix = "my-id",
DescribedBy = "describedby",
Name = "my-name",
Value = new Date(2020, 4, 1)
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
var node = HtmlNode.CreateNode(html);
var container = node.ChildNodes.FindFirst("div");
var day = container.SelectNodes("//input").First();
var month = container.SelectNodes("//input").Skip(1).First();
var year = container.SelectNodes("//input").Skip(2).First();
AssertHaveErrorClass(day, expectDayError);
AssertHaveErrorClass(month, expectMonthError);
AssertHaveErrorClass(year, expectYearError);
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());
}
public async Task ProcessAsync_WithAspForAndValue_UsesValueAttribute()
{
// 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 tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var modelExplorer = new EmptyModelMetadataProvider().GetModelExplorerForType(typeof(Model), new Model()
{
Date = new Date(2020, 4, 1)
})
.GetExplorerForProperty(nameof(Model.Date));
var viewContext = new ViewContext();
var tagHelper = new DateInputTagHelper(Options.Create(new GovUkFrontendAspNetCoreOptions()), new DateInputParseErrorsProvider())
{
AspFor = new ModelExpression(nameof(Model.Date), modelExplorer),
Id = "my-id",
NamePrefix = "my-name",
ViewContext = viewContext,
Value = new Date(2022, 5, 3)
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-form-group"">
<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=""3"">
</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=""5"">
</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=""2022"">
</div>
</div>
</div>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}