public void GetWriterFromViewPage()
{
// Arrange
MockViewUserControl vuc = new MockViewUserControl();
MockViewUserControlContainerPage containerPage = new MockViewUserControlContainerPage(vuc);
bool triggered = false;
HtmlTextWriter writer = new HtmlTextWriter(System.IO.TextWriter.Null);
containerPage.RenderCallback = delegate() {
triggered = true;
Assert.AreEqual(writer, vuc.Writer);
};
// Act & Assert
Assert.IsNull(vuc.Writer);
containerPage.RenderControl(writer);
Assert.IsNull(vuc.Writer);
Assert.IsTrue(triggered);
}
public void GetWrongGenericViewItemTypeThrows()
{
// Arrange
ViewPage p = new ViewPage();
p.ViewData = new ViewDataDictionary();
p.ViewData["Foo"] = new DummyViewData {
MyInt = 123, MyString = "Whatever"
};
MockViewUserControl <MyViewData> vuc = new MockViewUserControl <MyViewData>()
{
ViewDataKey = "FOO"
};
vuc.AppRelativeVirtualPath = "~/Foo.aspx";
p.Controls.Add(new Control());
p.Controls[0].Controls.Add(vuc);
// Act
Assert.Throws <InvalidOperationException>(
delegate { var foo = vuc.ViewData.Model.IntProp; },
@"The model item passed into the dictionary is of type 'System.Web.Mvc.Test.ViewUserControlTest+DummyViewData', but this dictionary requires a model item of type 'System.Web.Mvc.Test.ViewUserControlTest+MyViewData'.");
}
public void GetWriterFromRegularPageThrows()
{
// Arrange
MockViewUserControl vuc = new MockViewUserControl();
Page containerPage = new Page();
containerPage.Controls.Add(vuc);
// Act
Assert.Throws<InvalidOperationException>(
delegate { HtmlTextWriter writer = vuc.Writer; },
"A ViewUserControl can be used only in pages that derive from ViewPage or ViewPage<TModel>.");
}
public void GetWriterFromViewPage()
{
// Arrange
MockViewUserControl vuc = new MockViewUserControl();
MockViewUserControlContainerPage containerPage = new MockViewUserControlContainerPage(vuc);
bool triggered = false;
HtmlTextWriter writer = new HtmlTextWriter(TextWriter.Null);
containerPage.RenderCallback = delegate()
{
triggered = true;
Assert.Equal(writer, vuc.Writer);
};
// Act & Assert
Assert.Null(vuc.Writer);
containerPage.RenderControl(writer);
Assert.Null(vuc.Writer);
Assert.True(triggered);
}
public void GetGenericViewItemType()
{
// Arrange
ViewPage p = new ViewPage();
p.Controls.Add(new Control());
MockViewUserControl<MyViewData> vuc = new MockViewUserControl<MyViewData>() { ViewDataKey = "FOO" };
p.Controls[0].Controls.Add(vuc);
p.ViewData = new ViewDataDictionary();
p.ViewData["Foo"] = new MyViewData { IntProp = 123, StringProp = "miao" };
// Act
int intProp = vuc.ViewData.Model.IntProp;
string stringProp = vuc.ViewData.Model.StringProp;
// Assert
Assert.Equal(123, intProp);
Assert.Equal("miao", stringProp);
}
public void GetWrongGenericViewItemTypeThrows()
{
// Arrange
ViewPage p = new ViewPage();
p.ViewData = new ViewDataDictionary();
p.ViewData["Foo"] = new DummyViewData { MyInt = 123, MyString = "Whatever" };
MockViewUserControl<MyViewData> vuc = new MockViewUserControl<MyViewData>() { ViewDataKey = "FOO" };
vuc.AppRelativeVirtualPath = "~/Foo.aspx";
p.Controls.Add(new Control());
p.Controls[0].Controls.Add(vuc);
// Act
Assert.Throws<InvalidOperationException>(
delegate { var foo = vuc.ViewData.Model.IntProp; },
@"The model item passed into the dictionary is of type 'System.Web.Mvc.Test.ViewUserControlTest+DummyViewData', but this dictionary requires a model item of type 'System.Web.Mvc.Test.ViewUserControlTest+MyViewData'.");
}
public void GetWriterFromRegularPageThrows() {
// Arrange
MockViewUserControl vuc = new MockViewUserControl();
Page containerPage = new Page();
containerPage.Controls.Add(vuc);
// Act
ExceptionHelper.ExpectException<InvalidOperationException>(
delegate {
HtmlTextWriter writer = vuc.Writer;
},
"A ViewUserControl can only be used inside pages that derive from ViewPage or ViewPage<TViewItem>.");
}
