public void RenderMetaTags_RenderedTagTitle_Rendered()
{
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = TwitterCardAnswerKey.DescriptionValue,
SiteUsername = TwitterCardAnswerKey.SiteUsernameValue,
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));
});
tagHelper.Process(context, output);
Assert.Contains("name=\"twitter:title\" content=\"" + TwitterCardAnswerKey.TitleValue + "\"", output.Content.GetContent());
}
public void RenderMetaTags_NoValueForImageHeightOrWidth_Rendered()
{
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = TwitterCardAnswerKey.DescriptionValue,
SiteUsername = TwitterCardAnswerKey.SiteUsernameValue,
Image = new TwitterImage(TwitterCardAnswerKey.ImageUrlValue)
};
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));
});
tagHelper.Process(context, output);
Assert.DoesNotContain("twitter:image:height", output.Content.GetContent());
Assert.DoesNotContain("twitter:image:width", output.Content.GetContent());
}
public void RenderMetaTags_NoValueForImage_Rendered()
{
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = TwitterCardAnswerKey.DescriptionValue,
SiteUsername = TwitterCardAnswerKey.SiteUsernameValue,
Image = null,
};
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.DoesNotContain("twitter:image", output.Content.GetContent(), StringComparison.Ordinal);
}
public void RenderMetaTags_NoValueForDescription_ExceptionThrown()
{
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = string.Empty,
SiteUsername = TwitterCardAnswerKey.SiteIdValue,
Image = null,
};
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));
});
var validationException = Assert.Throws <ValidationException>(() => tagHelper.Process(context, output));
Assert.Contains(
nameof(TwitterCardSummaryLargeImage.Description),
validationException.Message,
StringComparison.Ordinal);
}
public void RenderMetaTags_NoValueForTwitterSiteUsername_ExceptionThrown()
{
var tagHelper = 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));
});
var validationException = Assert.Throws <ValidationException>(() => tagHelper.Process(context, output));
Assert.Contains("either twitter:site or twitter:site:id is required.", validationException.Message);
}
public void RenderMetaTags_NoValueForDescription_ExceptionThrown()
{
var expected = typeof(System.ArgumentNullException);
Exception thrownException = null;
var tagHelper = new TwitterCardSummaryLargeImage()
{
Title = TwitterCardAnswerKey.TitleValue,
Description = string.Empty,
SiteUsername = TwitterCardAnswerKey.SiteIdValue,
Image = null
};
try
{
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));
});
tagHelper.Process(context, output);
}
catch (Exception e)
{
thrownException = e;
}
Assert.Equal(expected, thrownException.GetType());
Assert.Equal("Description", ((ArgumentException)thrownException).ParamName.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);
}
