public void FindViewWithNullControllerContextThrows() {
// Arrange
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
// Act & Assert
ExceptionHelper.ExpectArgumentNullException(
() => engine.FindView(null, "view name", null, false),
"controllerContext"
);
}
public void FindView_NullControllerContext_Throws()
{
// Arrange
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
// Act & Assert
Assert.ThrowsArgumentNull(
() => engine.FindView(null, "view name", null, false),
"controllerContext"
);
}
public void FindViewWithEmptyViewNameThrows() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
// Act & Assert
ExceptionHelper.ExpectArgumentExceptionNullOrEmpty(
() => engine.FindView(context, "", null, false),
"viewName"
);
}
public void FindViewControllerNameMustExistInRequestContext() {
// Arrange
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
ControllerContext context = CreateContext();
context.RouteData.Values.Remove("controller");
// Act & Assert
ExceptionHelper.ExpectInvalidOperationException(
() => engine.FindView(context, "viewName", null, false),
"The RouteData must contain an item named 'controller' with a non-empty string value."
);
}
public void FindViewViewLocationsCannotBeEmpty() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.ClearViewLocations();
// Act & Assert
ExceptionHelper.ExpectInvalidOperationException(
() => engine.FindView(context, "viewName", null, false),
"The property 'ViewLocationFormats' cannot be null or empty."
);
}
public void FindView_EmptyViewName_Throws()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
// Act & Assert
Assert.ThrowsArgumentNullOrEmpty(
() => engine.FindView(context, "", null, false),
"viewName"
);
}
public void CannotFindViewNoMaster() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Expect(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", null, false);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(1, result.SearchedLocations.Count());
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/controllerName/viewName.view"));
engine.MockPathProvider.Verify();
}
public void FindView_MasterInAreaDoesNotExist_ReturnsSearchedLocationsResult()
{
// Arrange
ControllerContext context = CreateContext();
context.RouteData.DataTokens["area"] = "areaName";
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), "~/vpath/areaName/controllerName/viewName.view"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", "masterName", false);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(2, result.SearchedLocations.Count()); // View was found, not included in 'searched locations'
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/areaName/controllerName/masterName.master"));
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/controllerName/masterName.master"));
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindPartialView_AbsolutePathViewDoesNotExist_ReturnsSearchedLocationsResult()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("/foo/bar.partial"))
.Returns(false)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), ""))
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "/foo/bar.partial", false);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(1, result.SearchedLocations.Count());
Assert.IsTrue(result.SearchedLocations.Contains("/foo/bar.partial"));
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void ValueInCacheBypassesVirtualPathProvider()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockCache
.Expect(c => c.GetViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>())) // Don't know what the key is yet
.Returns((string)null)
.Callback <HttpContextBase, string>((httpContext, key) => {
engine.MockPathProvider // It wasn't found, so they call vpp.FileExists
.Expect(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true)
.AtMostOnce()
.Verifiable();
engine.MockCache // Then they set the value into the cache
.Expect(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), key, VIEW_VIRTUAL))
.AtMostOnce()
.Verifiable();
engine.MockCache // Second time through, we give them a cache hit
.Expect(c => c.GetViewLocation(It.IsAny <HttpContextBase>(), key))
.Returns(VIEW_VIRTUAL)
.AtMostOnce()
.Verifiable();
})
.AtMostOnce()
.Verifiable();
// Act
engine.FindView(context, "name", null, true);
engine.FindView(context, "name", null, true);
// Assert
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindView_VirtualPathViewExistsAndNoMaster_ReturnsView()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.ClearMasterLocations();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/foo/bar.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/foo/bar.view"))
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "~/foo/bar.view", null, false);
// Assert
Assert.Same(engine.CreateViewResult, result.View);
Assert.Null(result.SearchedLocations);
Assert.Same(context, engine.CreateViewControllerContext);
Assert.Equal("~/foo/bar.view", engine.CreateViewViewPath);
Assert.Equal(String.Empty, engine.CreateViewMasterPath);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void ReleaseViewCallsDispose()
{
// Arrange
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
ControllerContext context = CreateContext();
IView view = engine.CreateViewResult;
// Act
engine.ReleaseView(context, view);
// Assert
Assert.True(((TestView)view).Disposed);
}
public void NoValueInCacheButFileExistsReturnsNullIfUsingCache()
{
// Arrange
ControllerContext mobileContext = CreateContext(isMobileDevice: true);
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL))
.Returns(true);
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true);
engine.MockCache
.Setup(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>()))
.Returns((string)null)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), It.IsAny<string>()));
// Act
IView viewNotInCacheResult = engine.FindView(mobileContext, "name", masterName: null, useCache: true).View;
// Assert
Assert.Null(viewNotInCacheResult);
// On a cache miss we should never check the file system. FindView will be called on a second pass
// without using the cache.
engine.MockPathProvider.Verify(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL), Times.Never());
engine.MockPathProvider.Verify(vpp => vpp.FileExists(VIEW_VIRTUAL), Times.Never());
// Act & Assert
//At this point the view on disk should be found and cached.
Assert.NotNull(engine.FindView(mobileContext, "name", masterName: null, useCache: false).View);
}
public void FindPartialView_ViewDoesNotExist_ReturnsSearchLocationsResult() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/partialName.partial"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "partialName", false);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(1, result.SearchedLocations.Count());
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/controllerName/partialName.partial"));
engine.MockPathProvider.Verify();
}
public void FindPartialView_AbsolutePathViewExists_ReturnsView()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("/foo/bar.partial"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "/foo/bar.partial"))
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "/foo/bar.partial", false);
// Assert
Assert.Same(engine.CreatePartialViewResult, result.View);
Assert.Null(result.SearchedLocations);
Assert.Same(context, engine.CreatePartialViewControllerContext);
Assert.Equal("/foo/bar.partial", engine.CreatePartialViewPartialPath);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void ViewFound() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Expect(vpp => vpp.FileExists("~/vpath/controllerName/partialName.partial"))
.Returns(true)
.Verifiable();
engine.MockCache
.Expect(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/partialName.partial"))
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "partialName", false);
// Assert
Assert.AreSame(engine.CreatePartialViewResult, result.View);
Assert.IsNull(result.SearchedLocations);
Assert.AreSame(context, engine.CreatePartialViewControllerContext);
Assert.AreEqual("~/vpath/controllerName/partialName.partial", engine.CreatePartialViewPartialPath);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindPartialView_VirtualPathViewExists_Legacy_ReturnsView()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine()
{
FileExtensions = null, // Set FileExtensions to null to simulate View Engines that do not set this property
};
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/foo/bar.unsupported"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/foo/bar.unsupported"))
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "~/foo/bar.unsupported", false);
// Assert
Assert.Same(engine.CreatePartialViewResult, result.View);
Assert.Null(result.SearchedLocations);
Assert.Same(context, engine.CreatePartialViewControllerContext);
Assert.Equal("~/foo/bar.unsupported", engine.CreatePartialViewPartialPath);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindPartialView_ControllerNameNotInRequestContext_Throws()
{
// Arrange
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
ControllerContext context = CreateContext();
context.RouteData.Values.Remove("controller");
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => engine.FindPartialView(context, "partialName", false),
"The RouteData must contain an item named 'controller' with a non-empty string value."
);
}
public void FindView_MasterInAreaDoesNotExist_ReturnsSearchedLocationsResult()
{
// Arrange
ControllerContext context = CreateContext();
context.RouteData.DataTokens["area"] = "areaName";
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/areaName/controllerName/viewName.view"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/viewName.Mobile.view"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", "masterName", false);
// Assert
Assert.Null(result.View);
Assert.Equal(2, result.SearchedLocations.Count()); // View was found, not included in 'searched locations'
Assert.True(result.SearchedLocations.Contains("~/vpath/areaName/controllerName/masterName.master"));
Assert.True(result.SearchedLocations.Contains("~/vpath/controllerName/masterName.master"));
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void ValueInCacheBypassesVirtualPathProvider() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider // It wasn't found, so they call vpp.FileExists
.Expect(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true)
.AtMostOnce()
.Verifiable();
engine.MockCache // Then they set the value into the cache
.Expect(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, virtualPath) => {
engine.MockCache // Second time through, we give them a cache hit
.Expect(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), key))
.Returns(VIEW_VIRTUAL)
.AtMostOnce()
.Verifiable();
})
.AtMostOnce()
.Verifiable();
// Act
engine.FindView(context, "name", null, false); // Call it once with false to seed the cache
engine.FindView(context, "name", null, true); // Call it once with true to check the cache
// Assert
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void UsesDifferentKeysForViewMasterAndPartial()
{
string keyMaster = null;
string keyPartial = null;
string keyView = null;
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(MASTER_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(PARTIAL_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), VIEW_VIRTUAL))
.Callback <HttpContextBase, string, string>((httpContext, key, path) => keyView = key)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), MASTER_VIRTUAL))
.Callback <HttpContextBase, string, string>((httpContext, key, path) => keyMaster = key)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), PARTIAL_VIRTUAL))
.Callback <HttpContextBase, string, string>((httpContext, key, path) => keyPartial = key)
.Verifiable();
// Act
engine.FindView(context, "name", "name", false);
engine.FindPartialView(context, "name", false);
// Assert
Assert.IsNotNull(keyMaster);
Assert.IsNotNull(keyPartial);
Assert.IsNotNull(keyView);
Assert.AreNotEqual(keyMaster, keyPartial);
Assert.AreNotEqual(keyMaster, keyView);
Assert.AreNotEqual(keyPartial, keyView);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
engine.MockPathProvider
.Verify(vpp => vpp.FileExists(VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockPathProvider
.Verify(vpp => vpp.FileExists(MASTER_VIRTUAL), Times.AtMostOnce());
engine.MockPathProvider
.Verify(vpp => vpp.FileExists(PARTIAL_VIRTUAL), Times.AtMostOnce());
engine.MockCache
.Verify(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache
.Verify(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), MASTER_VIRTUAL), Times.AtMostOnce());
engine.MockCache
.Verify(c => c.InsertViewLocation(It.IsAny <HttpContextBase>(), It.IsAny <string>(), PARTIAL_VIRTUAL), Times.AtMostOnce());
}
public void FindView_ViewExistsAndMasterNameProvidedButEmptyMasterLocations_Throws()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.ClearMasterLocations();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/viewName.view"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/viewName.Mobile.view"))
.Returns(false)
.Verifiable();
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => engine.FindView(context, "viewName", "masterName", false),
"The property 'MasterLocationFormats' cannot be null or empty."
);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindPartialView_AbsolutePathViewNotSupported_ReturnsSearchedLocationsResult()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), ""))
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "/foo/bar.unsupported", false);
// Assert
Assert.Null(result.View);
Assert.Single(result.SearchedLocations);
Assert.True(result.SearchedLocations.Contains("/foo/bar.unsupported"));
engine.MockPathProvider.Verify<bool>(vpp => vpp.FileExists("/foo/bar.unsupported"), Times.Never());
engine.MockCache.Verify();
}
public void FoundViewCannotFindMaster() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Expect(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Expect(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/viewName.view"))
.Verifiable();
engine.MockPathProvider
.Expect(vpp => vpp.FileExists("~/vpath/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", "masterName", false);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(1, result.SearchedLocations.Count()); // View was found, not included in 'searched locations'
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/controllerName/masterName.master"));
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindView_ViewInAreaExistsAndMasterExists_ReturnsView_Mobile()
{
// Arrange
ControllerContext context = CreateContext(isMobileDevice: true);
context.RouteData.DataTokens["area"] = "areaName";
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/areaName/controllerName/viewName.view"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/viewName.Mobile.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/areaName/controllerName/viewName.Mobile.view"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/areaName/controllerName/masterName.Mobile.master"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/masterName.master"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/masterName.master"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/masterName.Mobile.master"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/masterName.Mobile.master"))
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", "masterName", false);
// Assert
Assert.Same(engine.CreateViewResult, result.View);
Assert.Null(result.SearchedLocations);
Assert.Same(context, engine.CreateViewControllerContext);
Assert.Equal("~/vpath/areaName/controllerName/viewName.Mobile.view", engine.CreateViewViewPath);
Assert.Equal("~/vpath/controllerName/masterName.Mobile.master", engine.CreateViewMasterPath);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void ViewFoundNoMaster() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.ClearMasterLocations(); // If master is not provided, master locations can be empty
engine.MockPathProvider
.Expect(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Expect(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/viewName.view"))
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", null, false);
// Assert
Assert.AreSame(engine.CreateViewResult, result.View);
Assert.IsNull(result.SearchedLocations);
Assert.AreSame(context, engine.CreateViewControllerContext);
Assert.AreEqual("~/vpath/controllerName/viewName.view", engine.CreateViewViewPath);
Assert.AreEqual(String.Empty, engine.CreateViewMasterPath);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void FindPartialView_EmptyPartialViewLocations_Throws()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.ClearPartialViewLocations();
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => engine.FindPartialView(context, "partialName", false),
"The property 'PartialViewLocationFormats' cannot be null or empty."
);
}
public void UsesDifferentKeysForViewMasterAndPartial()
{
string keyMaster = null;
string keyPartial = null;
string keyView = null;
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(MASTER_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/name.Mobile.master"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(PARTIAL_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/name.Mobile.partial"))
.Returns(false)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, path) => keyView = key)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), MASTER_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, path) => keyMaster = key)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), PARTIAL_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, path) => keyPartial = key)
.Verifiable();
// Act
engine.FindView(context, "name", "name", false);
engine.FindPartialView(context, "name", false);
// Assert
Assert.NotNull(keyMaster);
Assert.NotNull(keyPartial);
Assert.NotNull(keyView);
Assert.NotEqual(keyMaster, keyPartial);
Assert.NotEqual(keyMaster, keyView);
Assert.NotEqual(keyPartial, keyView);
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
engine.MockPathProvider
.Verify(vpp => vpp.FileExists(VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockPathProvider
.Verify(vpp => vpp.FileExists(MASTER_VIRTUAL), Times.AtMostOnce());
engine.MockPathProvider
.Verify(vpp => vpp.FileExists(PARTIAL_VIRTUAL), Times.AtMostOnce());
engine.MockCache
.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache
.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), MASTER_VIRTUAL), Times.AtMostOnce());
engine.MockCache
.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), PARTIAL_VIRTUAL), Times.AtMostOnce());
}
public void FindPartialView_VirtualPathViewDoesNotExist_ReturnsSearchedLocationsResult()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/foo/bar.partial"))
.Returns(false)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), ""))
.Verifiable();
// Act
ViewEngineResult result = engine.FindPartialView(context, "~/foo/bar.partial", false);
// Assert
Assert.Null(result.View);
Assert.Single(result.SearchedLocations);
Assert.True(result.SearchedLocations.Contains("~/foo/bar.partial"));
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
}
public void ValueInCacheBypassesVirtualPathProvider()
{
// Arrange
string cacheKey = null;
ControllerContext context = CreateContext();
ControllerContext mobileContext = CreateContext(isMobileDevice: true);
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider // It wasn't found, so they call vpp.FileExists
.Setup(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL))
.Returns(false)
.Verifiable();
engine.MockCache // Then they set the value into the cache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, virtualPath) =>
{
cacheKey = key;
engine.MockCache // Second time through, we give them a cache hit
.Setup(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), key))
.Returns(VIEW_VIRTUAL)
.Verifiable();
})
.Verifiable();
// Act
engine.FindView(context, "name", null, false); // Call it once with false to seed the cache
engine.FindView(context, "name", null, true); // Call it once with true to check the cache
// Assert
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
engine.MockPathProvider.Verify(vpp => vpp.FileExists(VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache.Verify(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), cacheKey), Times.AtMostOnce());
// We seed the cache with all possible display modes but since the mobile view does not exist we don't insert it into the cache.
engine.MockPathProvider.Verify(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL), Times.Exactly(1));
engine.MockCache.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), MOBILE_VIEW_VIRTUAL), Times.Never());
engine.MockCache.Verify(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), VirtualPathProviderViewEngine.AppendDisplayModeToCacheKey(cacheKey, DisplayModeProvider.MobileDisplayModeId)), Times.Never());
}
public void FindView_ViewDoesNotExistAndNoMaster_ReturnsSearchedLocationsResult()
{
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", null, false);
// Assert
Assert.Null(result.View);
Assert.Single(result.SearchedLocations);
Assert.True(result.SearchedLocations.Contains("~/vpath/controllerName/viewName.view"));
engine.MockPathProvider.Verify();
}
public void ValueInCacheBypassesVirtualPathProviderForAllAvailableDisplayModesForContext()
{
// Arrange
string cacheKey = null;
string mobileCacheKey = null;
ControllerContext mobileContext = CreateContext(isMobileDevice: true);
ControllerContext desktopContext = CreateContext(isMobileDevice: false);
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(VIEW_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, virtualPath) =>
{
cacheKey = key;
engine.MockCache
.Setup(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), key))
.Returns(MOBILE_VIEW_VIRTUAL)
.Verifiable();
})
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), MOBILE_VIEW_VIRTUAL))
.Callback<HttpContextBase, string, string>((httpContext, key, virtualPath) =>
{
mobileCacheKey = key;
engine.MockCache
.Setup(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), key))
.Returns(MOBILE_VIEW_VIRTUAL)
.Verifiable();
})
.Verifiable();
// Act
engine.FindView(mobileContext, "name", null, false);
engine.FindView(mobileContext, "name", null, true);
// Assert
engine.MockPathProvider.Verify();
// DefaultDisplayMode with Mobile substitution is cached and hit on the second call to FindView
engine.MockPathProvider.Verify(vpp => vpp.FileExists(MOBILE_VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), MOBILE_VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache.Verify(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), VirtualPathProviderViewEngine.AppendDisplayModeToCacheKey(cacheKey, DisplayModeProvider.MobileDisplayModeId)), Times.AtMostOnce());
engine.MockPathProvider.Verify(vpp => vpp.FileExists(VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL), Times.Exactly(1));
Assert.NotEqual(cacheKey, mobileCacheKey);
// Act
engine.FindView(desktopContext, "name", null, true);
// Assert
engine.MockCache.Verify();
// The first call to FindView without a mobile browser results in a cache hit
engine.MockPathProvider.Verify(vpp => vpp.FileExists(VIEW_VIRTUAL), Times.AtMostOnce());
engine.MockCache.Verify(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), VIEW_VIRTUAL), Times.Exactly(1));
engine.MockCache.Verify(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), cacheKey), Times.Exactly(1));
}
public void DisplayModeSetOncePerRequest()
{
// Arrange
RouteData routeData = new RouteData();
routeData.Values["controller"] = "controllerName";
routeData.Values["action"] = "actionName";
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(c => c.HttpContext.Request.Browser.IsMobileDevice).Returns(true);
mockControllerContext.Setup(c => c.HttpContext.Request.Cookies).Returns(new HttpCookieCollection());
mockControllerContext.Setup(c => c.HttpContext.Response.Cookies).Returns(new HttpCookieCollection());
mockControllerContext.Setup(c => c.HttpContext.Items).Returns(new Hashtable());
mockControllerContext.Setup(c => c.RouteData).Returns(routeData);
ControllerContext context = mockControllerContext.Object;
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/viewName.view"))
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/viewName.Mobile.view"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/partialName.partial"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/partialName.Mobile.partial"))
.Returns(true)
.Verifiable();
engine.MockCache
.Setup(c => c.InsertViewLocation(It.IsAny<HttpContextBase>(), It.IsAny<string>(), "~/vpath/controllerName/partialName.Mobile.partial"))
.Callback<HttpContextBase, string, string>((httpContext, key, virtualPath) =>
{
engine.MockCache
.Setup(c => c.GetViewLocation(It.IsAny<HttpContextBase>(), key))
.Returns("~/vpath/controllerName/partialName.Mobile.partial")
.Verifiable();
})
.Verifiable();
// Act
ViewEngineResult viewResult = engine.FindView(context, "viewName", masterName: null, useCache: false);
// Mobile display mode will be used to locate the view with and without the cache.
// In neither case should this set the DisplayModeId to Mobile because it has already been set.
ViewEngineResult partialResult = engine.FindPartialView(context, "partialName", useCache: false);
ViewEngineResult cachedPartialResult = engine.FindPartialView(context, "partialName", useCache: true);
// Assert
engine.MockPathProvider.Verify();
engine.MockCache.Verify();
Assert.Same(engine.CreateViewResult, viewResult.View);
Assert.Same(engine.CreatePartialViewResult, partialResult.View);
Assert.Same(engine.CreatePartialViewResult, cachedPartialResult.View);
Assert.Equal(DisplayModeProvider.DefaultDisplayModeId, context.DisplayMode.DisplayModeId);
}
public void FindView_ViewDoesNotExistAndMasterDoesNotExist_ReturnsSearchedLocationsResult() {
// Arrange
ControllerContext context = CreateContext();
TestableVirtualPathProviderViewEngine engine = new TestableVirtualPathProviderViewEngine();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/viewName.view"))
.Returns(false)
.Verifiable();
engine.MockPathProvider
.Setup(vpp => vpp.FileExists("~/vpath/controllerName/masterName.master"))
.Returns(false)
.Verifiable();
// Act
ViewEngineResult result = engine.FindView(context, "viewName", "masterName", false);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(2, result.SearchedLocations.Count()); // Both view and master locations
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/controllerName/viewName.view"));
Assert.IsTrue(result.SearchedLocations.Contains("~/vpath/controllerName/masterName.master"));
engine.MockPathProvider.Verify();
}
