public async Task ProcessAsync_NoNameOrAspForThrowsInvalidOperationException()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new DefaultGovUkHtmlGenerator(), new DefaultModelHelper())
{
IdPrefix = "prefix"
};
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => tagHelper.ProcessAsync(context, output));
Assert.Equal("At least one of the 'name' and 'asp-for' attributes must be specified.", ex.Message);
}
public async Task ProcessAsync_WithCheckedItemConditionalGeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var checkboxesContext = (CheckboxesContext)context.Items[typeof(CheckboxesContext)];
checkboxesContext.AddItem(new CheckboxesItem()
{
IsChecked = true,
ConditionalContent = new HtmlString("Conditional"),
ConditionalId = "conditional-first",
Content = new HtmlString("First"),
IsDisabled = false,
Id = "first",
Value = "first"
});
checkboxesContext.SetIsConditional();
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new DefaultGovUkHtmlGenerator(), new DefaultModelHelper())
{
IdPrefix = "my-id",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
Assert.Equal(
"<div class=\"govuk-form-group\">" +
"<div class=\"govuk-checkboxes--conditional govuk-checkboxes\" data-module=\"govuk-checkboxes\">" +
"<div class=\"govuk-checkboxes__item\">" +
"<input checked=\"checked\" class=\"govuk-checkboxes__input\" data-aria-controls=\"conditional-first\" id=\"first\" name=\"testcheckboxes\" type=\"checkbox\" value=\"first\" />" +
"<label class=\"govuk-checkboxes__label govuk-label\" for=\"first\">First</label>" +
"</div>" +
"<div class=\"govuk-checkboxes__conditional\" id=\"conditional-first\">Conditional</div>" +
"</div>" +
"</div>",
html);
}
public async Task ProcessAsync_WithCheckedItemConditional_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var checkboxesContext = context.GetContextItem <CheckboxesContext>();
checkboxesContext.AddItem(new CheckboxesItem()
{
Checked = true,
LabelContent = new HtmlString("First"),
Conditional = new CheckboxesItemConditional()
{
Content = new HtmlString("Item 1 conditional")
},
Id = "first",
Value = "first"
});
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new ComponentGenerator(), new DefaultModelHelper())
{
IdPrefix = "my-id",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-form-group"">
<div class=""govuk-checkboxes"" data-module=""govuk-checkboxes"">
<div class=""govuk-checkboxes__item"">
<input class=""govuk-checkboxes__input"" id=""first"" name=""testcheckboxes"" type=""checkbox"" value=""first"" checked=""checked"" data-aria-controls=""conditional-first"" />
<label class=""govuk-checkboxes__label govuk-label"" for=""first"">First</label>
</div>
<div class=""govuk-checkboxes__conditional"" id=""conditional-first"">Item 1 conditional</div>
</div>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}
public async Task ProcessAsync_WithFieldsetGeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var checkboxesContext = (CheckboxesContext)context.Items[typeof(CheckboxesContext)];
checkboxesContext.SetFieldset(new CheckboxesFieldset()
{
LegendIsPageHeading = false,
LegendContent = new HtmlString("Legend")
});
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new DefaultGovUkHtmlGenerator(), new DefaultModelHelper())
{
DescribedBy = "describedby",
IdPrefix = "my-id",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
Assert.Equal(
"<div class=\"govuk-form-group\">" +
"<fieldset aria-describedby=\"describedby\" class=\"govuk-fieldset\">" +
"<legend class=\"govuk-fieldset__legend\">Legend</legend>" +
"<div class=\"govuk-checkboxes\">" +
"</div>" +
"</fieldset>" +
"</div>",
html);
}
public async Task ProcessAsync_CheckedItemGeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var checkboxesContext = (CheckboxesContext)context.Items[typeof(CheckboxesContext)];
checkboxesContext.AddItem(new CheckboxesItem()
{
IsChecked = true,
Content = new HtmlString("First"),
IsDisabled = false,
Id = "first",
Value = "first"
});
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new DefaultGovUkHtmlGenerator(), new DefaultModelHelper())
{
IdPrefix = "my-id",
DescribedBy = "describedby",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
var node = HtmlNode.CreateNode(html);
var input = node.ChildNodes.FindFirst("input");
Assert.Equal("checked", input.Attributes["checked"].Value);
}
public async Task ProcessAsync_WithErrorMessageGeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var formGroupContext = (FormGroupBuilder)context.Items[typeof(FormGroupBuilder)];
formGroupContext.TrySetErrorMessage(
visuallyHiddenText: null,
attributes: null,
content: new HtmlString("A error"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new DefaultGovUkHtmlGenerator(), new DefaultModelHelper())
{
IdPrefix = "my-id",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
Assert.Equal(
"<div class=\"govuk-form-group--error govuk-form-group\">" +
"<span class=\"govuk-error-message\" id=\"my-id-error\"><span class=\"govuk-visually-hidden\">Error</span>A error</span>" +
"<div class=\"govuk-checkboxes\">" +
"</div>" +
"</div>",
html);
}
public async Task ProcessAsync_WithError_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var checkboxesContext = context.GetContextItem <CheckboxesContext>();
checkboxesContext.SetErrorMessage(visuallyHiddenText: null, attributes: null, content: new HtmlString("A error"));
checkboxesContext.AddItem(new CheckboxesItem()
{
Checked = false,
LabelContent = new HtmlString("First"),
Disabled = true,
Id = "first",
Value = "first"
});
checkboxesContext.AddItem(new CheckboxesItem()
{
Checked = true,
LabelContent = new HtmlString("Second"),
Disabled = false,
Id = "second",
Value = "second"
});
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new ComponentGenerator(), new DefaultModelHelper())
{
IdPrefix = "my-id",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-form-group govuk-form-group--error"">
<p class=""govuk-error-message"" id=""my-id-error""><span class=""govuk-visually-hidden"">Error:</span>A error</p>
<div class=""govuk-checkboxes"" data-module=""govuk-checkboxes"">
<div class=""govuk-checkboxes__item"">
<input class=""govuk-checkboxes__input"" id=""first"" name=""testcheckboxes"" type=""checkbox"" value=""first"" aria-describedby=""my-id-error"" disabled=""disabled"" />
<label class=""govuk-checkboxes__label govuk-label"" for=""first"">First</label>
</div>
<div class=""govuk-checkboxes__item"">
<input class=""govuk-checkboxes__input"" id=""second"" name=""testcheckboxes"" type=""checkbox"" value=""second"" aria-describedby=""my-id-error"" checked=""checked"" />
<label class=""govuk-checkboxes__label govuk-label"" for=""second"">Second</label>
</div>
</div>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}
public async Task ProcessAsync_WithFieldset_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-checkboxes",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-checkboxes",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var checkboxesContext = context.GetContextItem <CheckboxesContext>();
checkboxesContext.OpenFieldset();
var checkboxesFieldsetContext = new CheckboxesFieldsetContext(attributes: null);
checkboxesFieldsetContext.SetLegend(isPageHeading: false, attributes: null, content: new HtmlString("Legend"));
checkboxesContext.SetHint(attributes: null, content: new HtmlString("The hint"));
checkboxesContext.AddItem(new CheckboxesItem()
{
Checked = false,
LabelContent = new HtmlString("First"),
Disabled = true,
Id = "first",
Value = "first"
});
checkboxesContext.AddItem(new CheckboxesItem()
{
Checked = true,
LabelContent = new HtmlString("Second"),
Disabled = false,
Id = "second",
Value = "second"
});
checkboxesContext.CloseFieldset(checkboxesFieldsetContext);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new CheckboxesTagHelper(new ComponentGenerator(), new DefaultModelHelper())
{
DescribedBy = "describedby",
IdPrefix = "my-id",
Name = "testcheckboxes"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-form-group"">
<fieldset aria-describedby=""describedby my-id-hint"" class=""govuk-fieldset"">
<legend class=""govuk-fieldset__legend"">Legend</legend>
<div class=""govuk-hint"" id=""my-id-hint"">The hint</div>
<div class=""govuk-checkboxes"" data-module=""govuk-checkboxes"">
<div class=""govuk-checkboxes__item"">
<input class=""govuk-checkboxes__input"" id=""first"" name=""testcheckboxes"" type=""checkbox"" value=""first"" disabled=""disabled"" />
<label class=""govuk-checkboxes__label govuk-label"" for=""first"">First</label>
</div>
<div class=""govuk-checkboxes__item"">
<input class=""govuk-checkboxes__input"" id=""second"" name=""testcheckboxes"" type=""checkbox"" value=""second"" checked=""checked"" />
<label class=""govuk-checkboxes__label govuk-label"" for=""second"">Second</label>
</div>
</div>
</fieldset>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}