public void RespondsToNotificationsFromAuthenticationStateProvider()
{
// Arrange: Service
var services = new ServiceCollection();
var authStateProvider = new TestAuthStateProvider()
{
CurrentAuthStateTask = Task.FromResult(CreateAuthenticationState(null))
};
services.AddSingleton <AuthenticationStateProvider>(authStateProvider);
// Arrange: Renderer and component, initially rendered
var renderer = new TestRenderer(services.BuildServiceProvider());
var component = new UseCascadingAuthenticationStateComponent();
renderer.AssignRootComponentId(component);
component.TriggerRender();
var receiveAuthStateId = renderer.Batches.Single()
.GetComponentFrames <ReceiveAuthStateComponent>().Single().ComponentId;
// Act 2: AuthenticationStateProvider issues notification
authStateProvider.TriggerAuthenticationStateChanged(
Task.FromResult(CreateAuthenticationState("Bert")));
// Assert 2: Re-renders content
Assert.Equal(2, renderer.Batches.Count);
var batch = renderer.Batches.Last();
var receiveAuthStateDiff = batch.DiffsByComponentId[receiveAuthStateId].Single();
Assert.Collection(receiveAuthStateDiff.Edits, edit =>
{
Assert.Equal(RenderTreeEditType.UpdateText, edit.Type);
AssertFrame.Text(
batch.ReferenceFrames[edit.ReferenceFrameIndex],
"Authenticated: True; Name: Bert; Pending: False; Renders: 2");
});
}
public void RendersAuthorizedContentIfAuthorized()
{
// Arrange
var authorizationService = new TestAuthorizationService();
authorizationService.NextResult = AuthorizationResult.Success();
var renderer = CreateTestRenderer(authorizationService);
var rootComponent = WrapInAuthorizeView(
authorizedContent: context => builder =>
builder.AddContent(0, $"You are authenticated as {context.User.Identity.Name}"));
rootComponent.AuthenticationState = CreateAuthenticationState("Nellie");
// Act
renderer.AssignRootComponentId(rootComponent);
rootComponent.TriggerRender();
// Assert
var diff = renderer.Batches.Single().GetComponentDiffs <AuthorizeView>().Single();
Assert.Collection(diff.Edits, edit =>
{
Assert.Equal(RenderTreeEditType.PrependFrame, edit.Type);
AssertFrame.Text(
renderer.Batches.Single().ReferenceFrames[edit.ReferenceFrameIndex],
"You are authenticated as Nellie");
});
// Assert: The IAuthorizationService was given expected criteria
Assert.Collection(authorizationService.AuthorizeCalls, call =>
{
Assert.Equal("Nellie", call.user.Identity.Name);
Assert.Null(call.resource);
Assert.Collection(call.requirements,
req => Assert.IsType <DenyAnonymousAuthorizationRequirement>(req));
});
}
public void CanRenderComponentByTypeWithParameters()
{
// Arrange
var instance = new DynamicComponent();
var renderer = new TestRenderer();
var childParameters = new Dictionary <string, object>
{
{ nameof(TestComponent.IntProp), 123 },
{ nameof(TestComponent.ChildContent), (RenderFragment)(builder =>
{
builder.AddContent(0, "This is some child content");
}) },
};
var parameters = ParameterView.FromDictionary(new Dictionary <string, object>
{
{ nameof(DynamicComponent.Type), typeof(TestComponent) },
{ nameof(DynamicComponent.Parameters), childParameters },
});
// Act
renderer.RenderRootComponent(
renderer.AssignRootComponentId(instance),
parameters);
// Assert
var batch = renderer.Batches.Single();
// It renders a reference to the child component with its parameters
AssertFrame.Component <TestComponent>(batch.ReferenceFrames[0], 4, 0);
AssertFrame.Attribute(batch.ReferenceFrames[1], nameof(TestComponent.IntProp), 123, 1);
AssertFrame.Attribute(batch.ReferenceFrames[2], nameof(TestComponent.ChildContent), 1);
// The child component itself is rendered
AssertFrame.Text(batch.ReferenceFrames[4], "Hello from TestComponent with IntProp=123", 0);
AssertFrame.Text(batch.ReferenceFrames[5], "This is some child content", 0);
}
public void RendersAuthorizingUntilAuthorizationCompleted()
{
// Arrange
var @event = new ManualResetEventSlim();
var authorizationService = new TestAuthorizationService();
authorizationService.NextResult = AuthorizationResult.Success();
var renderer = CreateTestRenderer(authorizationService);
renderer.OnUpdateDisplayComplete = () => { @event.Set(); };
var rootComponent = WrapInAuthorizeView(
authorizing: builder => builder.AddContent(0, "Auth pending..."),
authorized: context => builder => builder.AddContent(0, $"Hello, {context.User.Identity.Name}!"));
var authTcs = new TaskCompletionSource <AuthenticationState>();
rootComponent.AuthenticationState = authTcs.Task;
// Act/Assert 1: Auth pending
renderer.AssignRootComponentId(rootComponent);
rootComponent.TriggerRender();
var batch1 = renderer.Batches.Single();
var authorizeViewComponentId = batch1.GetComponentFrames <AuthorizeView>().Single().ComponentId;
var diff1 = batch1.DiffsByComponentId[authorizeViewComponentId].Single();
Assert.Collection(diff1.Edits, edit =>
{
Assert.Equal(RenderTreeEditType.PrependFrame, edit.Type);
AssertFrame.Text(
batch1.ReferenceFrames[edit.ReferenceFrameIndex],
"Auth pending...");
});
// Act/Assert 2: Auth process completes asynchronously
@event.Reset();
authTcs.SetResult(CreateAuthenticationState("Monsieur").Result);
// We need to wait here because the continuations of SetResult will be scheduled to run asynchronously.
@event.Wait(Timeout);
Assert.Equal(2, renderer.Batches.Count);
var batch2 = renderer.Batches[1];
var diff2 = batch2.DiffsByComponentId[authorizeViewComponentId].Single();
Assert.Collection(diff2.Edits,
edit =>
{
Assert.Equal(RenderTreeEditType.RemoveFrame, edit.Type);
Assert.Equal(0, edit.SiblingIndex);
},
edit =>
{
Assert.Equal(RenderTreeEditType.PrependFrame, edit.Type);
Assert.Equal(0, edit.SiblingIndex);
AssertFrame.Text(
batch2.ReferenceFrames[edit.ReferenceFrameIndex],
"Hello, Monsieur!");
});
// Assert: The IAuthorizationService was given expected criteria
Assert.Collection(authorizationService.AuthorizeCalls, call =>
{
Assert.Equal("Monsieur", call.user.Identity.Name);
Assert.Null(call.resource);
Assert.Collection(call.requirements,
req => Assert.IsType <DenyAnonymousAuthorizationRequirement>(req));
});
}