public void Activate_InitializesTagHelpersWithMultipleInitializers()
{
// Arrange
var services = new ServiceCollection();
services.InitializeTagHelper<TestTagHelper>((h, vc) =>
{
h.Name = "Test 1";
h.Number = 100;
});
services.InitializeTagHelper<TestTagHelper>((h, vc) =>
{
h.Name += ", Test 2";
h.Number += 100;
});
var httpContext = MakeHttpContext(services.BuildServiceProvider());
var viewContext = MakeViewContext(httpContext);
var activator = new DefaultTagHelperActivator();
var helper = new TestTagHelper();
// Act
activator.Activate(helper, viewContext);
// Assert
Assert.Equal("Test 1, Test 2", helper.Name);
Assert.Equal(200, helper.Number);
}
public void Activate_InitializesTagHelpers(string name, int number)
{
// Arrange
var services = new ServiceCollection();
services.InitializeTagHelper<TestTagHelper>((h, vc) =>
{
h.Name = name;
h.Number = number;
h.ViewDataValue = vc.ViewData["TestData"];
});
var httpContext = MakeHttpContext(services.BuildServiceProvider());
var viewContext = MakeViewContext(httpContext);
var viewDataValue = new object();
viewContext.ViewData.Add("TestData", viewDataValue);
var activator = new DefaultTagHelperActivator();
var helper = new TestTagHelper();
// Act
activator.Activate(helper, viewContext);
// Assert
Assert.Equal(name, helper.Name);
Assert.Equal(number, helper.Number);
Assert.Same(viewDataValue, helper.ViewDataValue);
}
private static TestRazorPage CreateTestRazorPage()
{
var modelMetadataProvider = new EmptyModelMetadataProvider();
var modelExpressionProvider = new ModelExpressionProvider(modelMetadataProvider, new ExpressionTextCache());
var activator = new RazorPageActivator(
modelMetadataProvider,
new UrlHelperFactory(),
new JsonHelper(
new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool <char> .Shared),
ArrayPool <char> .Shared),
new DiagnosticListener("Microsoft.AspNetCore"),
new HtmlTestEncoder(),
modelExpressionProvider);
var serviceProvider = new Mock <IServiceProvider>();
var typeActivator = new TypeActivatorCache();
var tagHelperActivator = new DefaultTagHelperActivator(typeActivator);
var myService = new MyService();
serviceProvider.Setup(mock => mock.GetService(typeof(MyService)))
.Returns(myService);
serviceProvider.Setup(mock => mock.GetService(typeof(ITagHelperFactory)))
.Returns(new DefaultTagHelperFactory(tagHelperActivator));
serviceProvider.Setup(mock => mock.GetService(typeof(ITagHelperActivator)))
.Returns(tagHelperActivator);
serviceProvider.Setup(mock => mock.GetService(typeof(ITypeActivatorCache)))
.Returns(typeActivator);
serviceProvider.Setup(mock => mock.GetService(It.Is <Type>(serviceType =>
serviceType.GetTypeInfo().IsGenericType&& serviceType.GetGenericTypeDefinition() == typeof(IEnumerable <>))))
.Returns <Type>(serviceType =>
{
var enumerableType = serviceType.GetGenericArguments().First();
return(typeof(Enumerable).GetMethod("Empty").MakeGenericMethod(enumerableType).Invoke(null, null));
});
var httpContext = new Mock <HttpContext>();
httpContext.SetupGet(c => c.RequestServices)
.Returns(serviceProvider.Object);
var actionContext = new ActionContext(httpContext.Object, new RouteData(), new ActionDescriptor());
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider(), new ModelStateDictionary());
var viewContext = new ViewContext(
actionContext,
Mock.Of <IView>(),
viewData,
Mock.Of <ITempDataDictionary>(),
TextWriter.Null,
new HtmlHelperOptions());
return(new TestRazorPage
{
ViewContext = viewContext
});
}
public void LinkTagHelper_DoesNotUseMemoryCacheInstanceFromDI()
{
// Arrange
var activator = new DefaultTagHelperActivator();
var viewContext = CreateViewContext();
var linkTagHelper = activator.Create <LinkTagHelper>(viewContext);
Assert.Same(CacheProvider.Cache, linkTagHelper.Cache);
Assert.Same(HostingEnvironment, linkTagHelper.HostingEnvironment);
Assert.Same(FileVersionProvider, linkTagHelper.FileVersionProvider);
}
public void Activate_InitializesTagHelpersAfterActivatingProperties()
{
// Arrange
var services = new ServiceCollection();
services.InitializeTagHelper<TestTagHelper>((h, _) => h.ViewContext = MakeViewContext(MakeHttpContext()));
var httpContext = MakeHttpContext(services.BuildServiceProvider());
var viewContext = MakeViewContext(httpContext);
var activator = new DefaultTagHelperActivator();
var helper = new TestTagHelper();
// Act
activator.Activate(helper, viewContext);
// Assert
Assert.NotSame(viewContext, helper.ViewContext);
}
public void CreateTagHelper_InitializesTagHelpers()
{
// Arrange
var httpContext = new DefaultHttpContext()
{
RequestServices = new ServiceCollection().BuildServiceProvider()
};
var viewContext = MakeViewContext(httpContext);
var viewDataValue = new object();
viewContext.ViewData.Add("TestData", viewDataValue);
var activator = new DefaultTagHelperActivator(new TypeActivatorCache());
// Act
var helper = activator.Create<TestTagHelper>(viewContext);
// Assert
Assert.NotNull(helper);
}
private static TestRazorPage CreateTestRazorPage()
{
var activator = new RazorPageActivator(new EmptyModelMetadataProvider());
var serviceProvider = new Mock <IServiceProvider>();
var typeActivator = new TypeActivatorCache();
var tagHelperActivator = new DefaultTagHelperActivator(typeActivator);
var myService = new MyService();
serviceProvider.Setup(mock => mock.GetService(typeof(MyService)))
.Returns(myService);
serviceProvider.Setup(mock => mock.GetService(typeof(ITagHelperFactory)))
.Returns(new DefaultTagHelperFactory(tagHelperActivator));
serviceProvider.Setup(mock => mock.GetService(typeof(ITagHelperActivator)))
.Returns(tagHelperActivator);
serviceProvider.Setup(mock => mock.GetService(typeof(ITypeActivatorCache)))
.Returns(typeActivator);
serviceProvider.Setup(mock => mock.GetService(It.Is <Type>(serviceType =>
serviceType.GetTypeInfo().IsGenericType&& serviceType.GetGenericTypeDefinition() == typeof(IEnumerable <>))))
.Returns <Type>(serviceType =>
{
var enumerableType = serviceType.GetGenericArguments().First();
return(typeof(Enumerable).GetMethod("Empty").MakeGenericMethod(enumerableType).Invoke(null, null));
});
var httpContext = new Mock <HttpContext>();
httpContext.SetupGet(c => c.RequestServices)
.Returns(serviceProvider.Object);
var actionContext = new ActionContext(httpContext.Object, new RouteData(), new ActionDescriptor());
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var viewContext = new ViewContext(
actionContext,
Mock.Of <IView>(),
viewData,
Mock.Of <ITempDataDictionary>(),
TextWriter.Null,
new HtmlHelperOptions());
return(new TestRazorPage
{
ViewContext = viewContext
});
}
public void CreateTagHelper_InitializesTagHelpers()
{
// Arrange
var httpContext = new DefaultHttpContext()
{
RequestServices = new ServiceCollection().BuildServiceProvider()
};
var viewContext = MakeViewContext(httpContext);
var viewDataValue = new object();
viewContext.ViewData.Add("TestData", viewDataValue);
var activator = new DefaultTagHelperActivator();
// Act
var helper = activator.Create <TestTagHelper>(viewContext);
// Assert
Assert.NotNull(helper);
}
public void Activate_InitializesTagHelpersWithCorrectInitializers()
{
// Arrange
var services = new ServiceCollection();
services.InitializeTagHelper<TestTagHelper>((h, vc) =>
{
h.Name = "Test 1";
h.Number = 100;
});
services.InitializeTagHelper<AnotherTestTagHelper>((h, vc) =>
{
h.Name = "Test 2";
h.Number = 102;
});
var httpContext = MakeHttpContext(services.BuildServiceProvider());
var viewContext = MakeViewContext(httpContext);
var activator = new DefaultTagHelperActivator();
var testTagHelper = new TestTagHelper();
var anotherTestTagHelper = new AnotherTestTagHelper();
// Act
activator.Activate(testTagHelper, viewContext);
activator.Activate(anotherTestTagHelper, viewContext);
// Assert
Assert.Equal("Test 1", testTagHelper.Name);
Assert.Equal(100, testTagHelper.Number);
Assert.Equal("Test 2", anotherTestTagHelper.Name);
Assert.Equal(102, anotherTestTagHelper.Number);
}
