public void RenderMetaTags_NoValueForTwitterSiteUsername_ExceptionThrown()
{
var expected = typeof(System.ArgumentNullException);
Exception thrownException = null;
try
{
TwitterCardSummaryLargeImage myTagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = TwitterCardAnswerKey.DescriptionValue,
SiteUsername = string.Empty,
Image = null
};
var context = new TagHelperContext(
new TagHelperAttributeList(),
new Dictionary <object, object>(),
Guid.NewGuid().ToString("N"));
var output = new TagHelperOutput(
"meta",
new TagHelperAttributeList(),
(cache, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(string.Empty);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
myTagHelper.Process(context, output);
}
catch (Exception e)
{
thrownException = e;
}
Assert.Equal(expected, thrownException.GetType());
Assert.Contains("Either twitter:site or twitter:site:id is required.", thrownException.Message.ToString());
}
public void RenderMetaTags_RenderedTagImageWithImageUrlHeightAndWidth_Rendered()
{
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = TwitterCardAnswerKey.DescriptionValue,
SiteUsername = TwitterCardAnswerKey.SiteUsernameValue,
Image = new TwitterImage(TwitterCardAnswerKey.ImageUrlValue, TwitterCardAnswerKey.ImageWidthValue, TwitterCardAnswerKey.ImageHeightValue),
};
var context = new TagHelperContext(
new TagHelperAttributeList(),
new Dictionary <object, object>(),
Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
var output = new TagHelperOutput(
"meta",
new TagHelperAttributeList(),
(cache, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(string.Empty);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
tagHelper.Process(context, output);
Assert.Contains(
"name=\"twitter:image\" content=\"" + TwitterCardAnswerKey.ImageUrlValue + "\"",
output.Content.GetContent(),
StringComparison.Ordinal);
Assert.Contains(
"name=\"twitter:image:height\" content=\"" + TwitterCardAnswerKey.ImageHeightValue.ToString(CultureInfo.InvariantCulture) + "\"",
output.Content.GetContent(),
StringComparison.Ordinal);
Assert.Contains(
"name=\"twitter:image:width\" content=\"" + TwitterCardAnswerKey.ImageWidthValue.ToString(CultureInfo.InvariantCulture) + "\"",
output.Content.GetContent(),
StringComparison.Ordinal);
}
public void RenderMetaTags_RenderedOptionalTagCreatorTwitterIdCreatorUsername_Rendered()
{
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = TwitterCardAnswerKey.DescriptionValue,
SiteUsername = TwitterCardAnswerKey.SiteUsernameValue,
CreatorUsername = TwitterCardAnswerKey.CreatorUsernameValue,
CreatorId = TwitterCardAnswerKey.CreatorId,
};
var context = new TagHelperContext(
new TagHelperAttributeList(),
new Dictionary <object, object>(),
Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
var output = new TagHelperOutput(
"meta",
new TagHelperAttributeList(),
(cache, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(string.Empty);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
tagHelper.Process(context, output);
Assert.Contains(
"name=\"twitter:creator:id\" content=\"" + TwitterCardAnswerKey.CreatorId + "\"",
output.Content.GetContent(),
StringComparison.Ordinal);
Assert.Contains(
"name=\"twitter:creator\" content=\"" + TwitterCardAnswerKey.CreatorUsernameValue + "\"",
output.Content.GetContent(),
StringComparison.Ordinal);
}
