public void CreateTagHelper_WithDefaults_CreatesSuccessfully()
{
var mockLogger = new Moq.Mock <ILogger <PlaceholderTagHelper> >();
var mockViewComponentHelper = new Moq.Mock <IViewComponentHelper>();
var mockContentService = new Moq.Mock <ContentService>();
var mockComponentRegistry = new Moq.Mock <ComponentRegistry>();
var vc = new PlaceholderTagHelper(mockLogger.Object, mockViewComponentHelper.Object, mockContentService.Object, mockComponentRegistry.Object);
Assert.NotNull(vc);
}
public void Process_Placeholder()
{
ModelMetadata metadata = Substitute.For <ModelMetadata>(ModelMetadataIdentity.ForType(typeof(String)));
TagHelperOutput output = new TagHelperOutput("input", new TagHelperAttributeList(), (_, __) => Task.FromResult <TagHelperContent?>(null));
PlaceholderTagHelper helper = new PlaceholderTagHelper {
For = new ModelExpression("Total", new ModelExplorer(new EmptyModelMetadataProvider(), metadata, null))
};
metadata.DisplayName.Returns("Test");
helper.Process(null, output);
Assert.Single(output.Attributes);
Assert.Empty(output.Content.GetContent());
Assert.Equal("Test", output.Attributes["placeholder"].Value);
}
