public async Task ProcessAsync_NoTitleThrowsInvalidOperationException()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-panel",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-panel",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var panelContext = (PanelContext)context.Items[typeof(PanelContext)];
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetHtmlContent("Body");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PanelTagHelper(new DefaultGovUkHtmlGenerator());
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => tagHelper.ProcessAsync(context, output));
Assert.Equal("Missing <govuk-panel-title> element.", ex.Message);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-panel",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-panel",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var panelContext = (PanelContext)context.Items[typeof(PanelContext)];
panelContext.TrySetHeading(3, new HtmlString("Title"));
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetHtmlContent("Body");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PanelTagHelper(new DefaultGovUkHtmlGenerator());
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Equal(
"<div class=\"govuk-panel--confirmation govuk-panel\"><h3 class=\"govuk-panel__title\">Title</h3><div class=\"govuk-panel__body\">Body</div></div>",
output.AsString());
}
public async Task ProcessAsync_InvalidheadingLevelThrowsInvalidOperationException(int level)
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-panel",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-panel",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var panelContext = (PanelContext)context.Items[typeof(PanelContext)];
panelContext.TrySetTitle(new HtmlString("Title"));
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetHtmlContent("Body");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PanelTagHelper(new DefaultGovUkHtmlGenerator())
{
HeadingLevel = level
};
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => tagHelper.ProcessAsync(context, output));
Assert.Equal("The 'heading-level' attribute must be between 1 and 6.", ex.Message);
}
public async Task ProcessAsync_MissingTitle_ThrowsInvalidOperationException()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-panel",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-panel",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var panelContext = (PanelContext)context.Items[typeof(PanelContext)];
panelContext.SetBody(new HtmlString("Body"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PanelTagHelper(new ComponentGenerator())
{
HeadingLevel = 3
};
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("A <govuk-panel-title> element must be provided.", ex.Message);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var context = new TagHelperContext(
tagName: "govuk-panel",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-panel",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var panelContext = (PanelContext)context.Items[typeof(PanelContext)];
panelContext.SetTitle(new HtmlString("Title"));
panelContext.SetBody(new HtmlString("Body"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PanelTagHelper(new ComponentGenerator())
{
HeadingLevel = 3
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
var expectedHtml = @"
<div class=""govuk-panel--confirmation govuk-panel"">
<h3 class=""govuk-panel__title"">Title</h3>
<div class=""govuk-panel__body"">Body</div>
</div>";
AssertEx.HtmlEqual(expectedHtml, output.RenderToString());
}
/// <summary>
/// 测试初始化
/// </summary>
public PanelTagHelperTest(ITestOutputHelper output)
{
_output = output;
_component = new PanelTagHelper();
}
