public async Task ProcessAsync_MissingText_ThrowsInvalidOperationException()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-details",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-details",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var detailsContext = (DetailsContext)context.Items[typeof(DetailsContext)];
var summary = new HtmlString("The summary");
detailsContext.SetSummary(new AttributeDictionary(), summary);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DetailsTagHelper(new ComponentGenerator())
{
Open = true
};
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("A <govuk-details-text> element must be provided.", ex.Message);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-details",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-details",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var detailsContext = (DetailsContext)context.Items[typeof(DetailsContext)];
var summary = new HtmlString("The summary");
detailsContext.SetSummary(attributes: null, summary);
var text = new HtmlString("The text");
detailsContext.SetText(attributes: null, text);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DetailsTagHelper(new DefaultGovUkHtmlGenerator());
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var html = output.AsString();
Assert.Equal(
"<details class=\"govuk-details\" data-module=\"govuk-details\">" +
"<summary class=\"govuk-details__summary\">" +
"<span class=\"govuk-details__summary-text\">The summary</span>" +
"</summary>" +
"<div class=\"govuk-details__text\">The text</div>" +
"</details>",
html);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-details",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-details",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var detailsContext = (DetailsContext)context.Items[typeof(DetailsContext)];
var summary = new HtmlString("The summary");
detailsContext.SetSummary(new AttributeDictionary(), summary);
var text = new HtmlString("The text");
detailsContext.SetText(new AttributeDictionary(), text);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DetailsTagHelper(new ComponentGenerator());
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<details class=""govuk-details"" data-module=""govuk-details"">
<summary class=""govuk-details__summary"">
<span class=""govuk-details__summary-text"">The summary</span>
</summary>
<div class=""govuk-details__text"">The text</div>
</details>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}
public async Task ProcessAsync_WithOpenSpecified_AddsOpenAttributeToOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-details",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-details",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var detailsContext = (DetailsContext)context.Items[typeof(DetailsContext)];
var summary = new HtmlString("The summary");
detailsContext.SetSummary(new AttributeDictionary(), summary);
var text = new HtmlString("The text");
detailsContext.SetText(new AttributeDictionary(), text);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DetailsTagHelper(new ComponentGenerator())
{
Open = true
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var element = output.RenderToElement();
Assert.Equal("", element.Attributes["open"].Value);
}
public async Task ProcessAsync_WithIdSpecifiedAddsIdAttributeToOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-details",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-details",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var detailsContext = (DetailsContext)context.Items[typeof(DetailsContext)];
var summary = new HtmlString("The summary");
detailsContext.SetSummary(attributes: null, summary);
var text = new HtmlString("The text");
detailsContext.SetText(attributes: null, text);
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DetailsTagHelper(new DefaultGovUkHtmlGenerator())
{
Id = "my-id"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Equal("my-id", output.Attributes["id"].Value);
}
