public void SetViewItem() {
// Arrange
ViewUserControl vuc = new ViewUserControl();
object viewItem = new object();
vuc.ViewData = new ViewDataDictionary(viewItem);
// Act
vuc.ViewData.Model = viewItem;
object newViewItem = vuc.ViewData.Model;
// Assert
Assert.AreSame(viewItem, newViewItem);
}
public void ModelProperty() {
// Arrange
object model = new object();
ViewDataDictionary viewData = new ViewDataDictionary(model);
ViewUserControl viewUserControl = new ViewUserControl();
viewUserControl.ViewData = viewData;
// Act
object viewPageModel = viewUserControl.Model;
// Assert
Assert.AreEqual(model, viewPageModel);
Assert.AreEqual(model, viewUserControl.ViewData.Model);
}
public void SetViewItemOnBaseClassPropagatesToDerivedClass() {
// Arrange
ViewUserControl<object> vucInt = new ViewUserControl<object>();
ViewUserControl vuc = vucInt;
vuc.ViewData = new ViewDataDictionary();
object o = new object();
// Act
vuc.ViewData.Model = o;
// Assert
Assert.AreEqual(o, vucInt.ViewData.Model);
Assert.AreEqual(o, vuc.ViewData.Model);
}
public void ModelPropertyStronglyTyped() {
// Arrange
FooModel model = new FooModel();
ViewDataDictionary<FooModel> viewData = new ViewDataDictionary<FooModel>(model);
ViewUserControl<FooModel> viewUserControl = new ViewUserControl<FooModel>();
viewUserControl.ViewData = viewData;
// Act
object viewPageModelObject = ((ViewUserControl)viewUserControl).Model;
FooModel viewPageModelPerson = viewUserControl.Model;
// Assert
Assert.AreEqual(model, viewPageModelObject);
Assert.AreEqual(model, viewPageModelPerson);
}
public void GetUrlHelperFromRegularPage()
{
// Arrange
ViewUserControl vuc = new ViewUserControl();
Page containerPage = new Page();
containerPage.Controls.Add(vuc);
// Assert
Assert.Throws<InvalidOperationException>(
delegate { UrlHelper foo = vuc.Url; },
"A ViewUserControl can be used only in pages that derive from ViewPage or ViewPage<TModel>.");
}
public void GetUrlHelperFromViewPage()
{
// Arrange
ViewUserControl vuc = new ViewUserControl();
ViewPage containerPage = new ViewPage();
containerPage.Controls.Add(vuc);
RequestContext rc = new RequestContext(new Mock<HttpContextBase>().Object, new RouteData());
UrlHelper urlHelper = new UrlHelper(rc);
containerPage.Url = urlHelper;
// Assert
Assert.Equal(vuc.Url, urlHelper);
}
public void GetHtmlHelperFromViewPage()
{
// Arrange
ViewUserControl vuc = new ViewUserControl();
ViewPage containerPage = new ViewPage();
containerPage.Controls.Add(vuc);
ViewContext vc = new Mock<ViewContext>().Object;
vuc.ViewContext = vc;
// Act
HtmlHelper htmlHelper = vuc.Html;
// Assert
Assert.Equal(vc, htmlHelper.ViewContext);
Assert.Equal(vuc, htmlHelper.ViewDataContainer);
}
public void GetViewDataFromViewUserControlWithViewDataKeyOnOuterControl()
{
// Arrange
ViewPage p = new ViewPage();
p.Controls.Add(new Control());
ViewUserControl outerVuc = new ViewUserControl() { ViewDataKey = "SubData" };
p.Controls[0].Controls.Add(outerVuc);
outerVuc.Controls.Add(new Control());
ViewUserControl vuc = new ViewUserControl();
outerVuc.Controls[0].Controls.Add(vuc);
p.ViewData = new ViewDataDictionary { { "FirstName", "Joe" }, { "LastName", "Schmoe" } };
p.ViewData["SubData"] = new ViewDataDictionary { { "FirstName", "SubJoe" }, { "LastName", "SubSchmoe" } };
// Act
object firstName = vuc.ViewData.Eval("FirstName");
object lastName = vuc.ViewData.Eval("LastName");
// Assert
Assert.Equal("SubJoe", firstName);
Assert.Equal("SubSchmoe", lastName);
}
public void GetViewDataFromViewPageWithViewDataKeyPointingToViewDataDictionary()
{
// Arrange
ViewDataDictionary vdd = new ViewDataDictionary()
{
{ "Foo", "FooParent" },
{ "Bar", "BarParent" },
{
"Child",
new ViewDataDictionary()
{
{ "Foo", "FooChild" },
{ "Bar", "BarChild" }
}
}
};
ViewPage p = new ViewPage();
p.Controls.Add(new Control());
ViewUserControl vuc = new ViewUserControl() { ViewDataKey = "Child" };
p.Controls[0].Controls.Add(vuc);
p.ViewData = vdd;
// Act
object oFoo = vuc.ViewData.Eval("Foo");
object oBar = vuc.ViewData.Eval("Bar");
// Assert
Assert.Equal(vdd["Child"], vuc.ViewData);
Assert.Equal("FooChild", oFoo);
Assert.Equal("BarChild", oBar);
}
public void ViewBagProperty_PropagatesChangesToViewData()
{
// Arrange
ViewPage containerPage = new ViewPage();
ViewUserControl userControl = new ViewUserControl();
containerPage.Controls.Add(userControl);
userControl.ViewData["A"] = 1;
// Act
userControl.ViewBag.A = "foo";
userControl.ViewBag.B = 2;
// Assert
Assert.Equal("foo", userControl.ViewData["A"]);
Assert.Equal(2, userControl.ViewData["B"]);
}
public void GetHtmlHelperFromRegularPage() {
// Arrange
ViewUserControl vuc = new ViewUserControl();
Page containerPage = new Page();
containerPage.Controls.Add(vuc);
// Assert
ExceptionHelper.ExpectException<InvalidOperationException>(
delegate {
HtmlHelper foo = vuc.Html;
},
"A ViewUserControl can be used only in pages that derive from ViewPage or ViewPage<TViewItem>.");
}
public void GetViewDataFromViewPage() {
// Arrange
ViewPage p = new ViewPage();
p.Controls.Add(new Control());
ViewUserControl vuc = new ViewUserControl();
p.Controls[0].Controls.Add(vuc);
p.ViewData = new ViewDataDictionary { { "FirstName", "Joe" }, { "LastName", "Schmoe" } };
// Act
object firstName = vuc.ViewData.Eval("FirstName");
object lastName = vuc.ViewData.Eval("LastName");
// Assert
Assert.AreEqual("Joe", firstName);
Assert.AreEqual("Schmoe", lastName);
}
public void GetViewDataWhenNoPageSetThrows() {
ViewUserControl vuc = new ViewUserControl();
vuc.AppRelativeVirtualPath = "~/Foo.ascx";
ExceptionHelper.ExpectException<InvalidOperationException>(
delegate {
var foo = vuc.ViewData["Foo"];
},
"The ViewUserControl '~/Foo.ascx' cannot find an IViewDataContainer object. The ViewUserControl must be inside a ViewPage, a ViewMasterPage, or another ViewUserControl.");
}
public void ViewBagProperty_ReflectsViewData()
{
// Arrange
ViewPage containerPage = new ViewPage();
ViewUserControl userControl = new ViewUserControl();
containerPage.Controls.Add(userControl);
userControl.ViewData["A"] = 1;
// Act & Assert
Assert.NotNull(userControl.ViewBag);
Assert.Equal(1, userControl.ViewBag.A);
}
public void SetViewItemToWrongTypeThrows()
{
// Arrange
ViewUserControl<string> vucString = new ViewUserControl<string>();
vucString.ViewData = new ViewDataDictionary<string>();
ViewUserControl vuc = vucString;
// Act & Assert
Assert.Throws<InvalidOperationException>(
delegate { vuc.ViewData.Model = 50; },
"The model item passed into the dictionary is of type 'System.Int32', but this dictionary requires a model item of type 'System.String'.");
}
public void ViewBagProperty_ReflectsNewViewDataInstance()
{
// Arrange
ViewPage containerPage = new ViewPage();
ViewUserControl userControl = new ViewUserControl();
containerPage.Controls.Add(userControl);
userControl.ViewData["A"] = 1;
userControl.ViewData = new ViewDataDictionary() { { "A", "bar" } };
// Act & Assert
Assert.Equal("bar", userControl.ViewBag.A);
}
public void GetViewDataWhenRegularPageSetThrows()
{
Page p = new Page();
p.Controls.Add(new Control());
ViewUserControl vuc = new ViewUserControl();
p.Controls[0].Controls.Add(vuc);
vuc.AppRelativeVirtualPath = "~/Foo.ascx";
Assert.Throws<InvalidOperationException>(
delegate { var foo = vuc.ViewData["Foo"]; },
"The ViewUserControl '~/Foo.ascx' cannot find an IViewDataContainer object. The ViewUserControl must be inside a ViewPage, a ViewMasterPage, or another ViewUserControl.");
}
public MockViewUserControlContainerPage(ViewUserControl userControl)
{
Controls.Add(userControl);
}
public PageHolderContainerPage(ViewUserControl userControl)
{
_userControl = userControl;
}
