public void GenerateLabel_LabelContentOnContextAndAspFor_ReturnsContentFromContext()
{
// Arrange
var formGroupContext = new TestFormGroupContext();
formGroupContext.SetLabel(isPageHeading: false, attributes: null, content: new HtmlString("Context label"));
var modelExplorer = new EmptyModelMetadataProvider().GetModelExplorerForType(typeof(Model), new Model())
.GetExplorerForProperty(nameof(Model.SimpleProperty));
var viewContext = new ViewContext();
var modelExpression = nameof(Model.SimpleProperty);
var modelHelper = new Mock <IModelHelper>();
modelHelper.Setup(mock => mock.GetDisplayName(viewContext, modelExplorer, modelExpression)).Returns("ModelMetadata label");
var tagHelper = new TestFormGroupTagHelper(new ComponentGenerator(), modelHelper.Object)
{
AspFor = new ModelExpression(modelExpression, modelExplorer),
Id = "test",
ViewContext = viewContext
};
// Act
var label = tagHelper.GenerateLabel(formGroupContext);
// Assert
Assert.NotNull(label);
Assert.Contains("Context label", label.RenderToString());
}
public void GenerateLabel_NoLabelContentOnContextOrAspFor_ThrowsInvalidOperationException()
{
// Arrange
var formGroupContext = new TestFormGroupContext();
var modelHelper = new Mock <IModelHelper>();
var tagHelper = new TestFormGroupTagHelper(new ComponentGenerator(), modelHelper.Object)
{
Id = "test"
};
// Act
var ex = Record.Exception(() => tagHelper.GenerateLabel(formGroupContext));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("Label content must be specified when the 'asp-for' attribute is not specified.", ex.Message);
}
public void GenerateLabel_LabelContentOnContext_ReturnsContentFromContext()
{
// Arrange
var formGroupContext = new TestFormGroupContext();
formGroupContext.SetLabel(isPageHeading: false, attributes: null, content: new HtmlString("Context label"));
var modelHelper = new Mock <IModelHelper>();
var tagHelper = new TestFormGroupTagHelper(new ComponentGenerator(), modelHelper.Object)
{
Id = "test"
};
// Act
var label = tagHelper.GenerateLabel(formGroupContext);
// Assert
Assert.NotNull(label);
Assert.Contains("Context label", label.RenderToString());
}
