public void SuppliesSynchronouslyAvailableAuthStateToChildContent()
{
// Arrange: Service
var services = new ServiceCollection();
var authStateProvider = new TestAuthenticationStateProvider()
{
CurrentAuthStateTask = Task.FromResult(CreateAuthenticationState("Bert"))
};
services.AddSingleton <AuthenticationStateProvider>(authStateProvider);
// Arrange: Renderer and component
var renderer = new TestRenderer(services.BuildServiceProvider());
var component = new UseCascadingAuthenticationStateComponent();
// Act
renderer.AssignRootComponentId(component);
component.TriggerRender();
// Assert
var batch = renderer.Batches.Single();
var receiveAuthStateId = batch.GetComponentFrames <ReceiveAuthStateComponent>().Single().ComponentId;
var receiveAuthStateDiff = batch.DiffsByComponentId[receiveAuthStateId].Single();
Assert.Collection(receiveAuthStateDiff.Edits, edit =>
{
Assert.Equal(RenderTreeEditType.PrependFrame, edit.Type);
AssertFrame.Text(
batch.ReferenceFrames[edit.ReferenceFrameIndex],
"Authenticated: True; Name: Bert; Pending: False; Renders: 1");
});
}
public void SuppliesAsynchronouslyAvailableAuthStateToChildContent()
{
// Arrange: Service
var services = new ServiceCollection();
var authStateTaskCompletionSource = new TaskCompletionSource <AuthenticationState>();
var authStateProvider = new TestAuthenticationStateProvider()
{
CurrentAuthStateTask = authStateTaskCompletionSource.Task
};
services.AddSingleton <AuthenticationStateProvider>(authStateProvider);
// Arrange: Renderer and component
var renderer = new TestRenderer(services.BuildServiceProvider());
var component = new UseCascadingAuthenticationStateComponent();
// Act 1: Initial synchronous render
renderer.AssignRootComponentId(component);
component.TriggerRender();
// Assert 1: Empty state
var batch1 = renderer.Batches.Single();
var receiveAuthStateFrame = batch1.GetComponentFrames <ReceiveAuthStateComponent>().Single();
var receiveAuthStateId = receiveAuthStateFrame.ComponentId;
var receiveAuthStateComponent = (ReceiveAuthStateComponent)receiveAuthStateFrame.Component;
var receiveAuthStateDiff1 = batch1.DiffsByComponentId[receiveAuthStateId].Single();
Assert.Collection(receiveAuthStateDiff1.Edits, edit =>
{
Assert.Equal(RenderTreeEditType.PrependFrame, edit.Type);
AssertFrame.Text(
batch1.ReferenceFrames[edit.ReferenceFrameIndex],
"Authenticated: False; Name: ; Pending: True; Renders: 1");
});
// Act/Assert 2: Auth state fetch task completes in background
// No new renders yet, because the cascading parameter itself hasn't changed
authStateTaskCompletionSource.SetResult(CreateAuthenticationState("Bert"));
Assert.Single(renderer.Batches);
// Act/Assert 3: Refresh display
receiveAuthStateComponent.TriggerRender();
Assert.Equal(2, renderer.Batches.Count);
var batch2 = renderer.Batches.Last();
var receiveAuthStateDiff2 = batch2.DiffsByComponentId[receiveAuthStateId].Single();
Assert.Collection(receiveAuthStateDiff2.Edits, edit =>
{
Assert.Equal(RenderTreeEditType.UpdateText, edit.Type);
AssertFrame.Text(
batch2.ReferenceFrames[edit.ReferenceFrameIndex],
"Authenticated: True; Name: Bert; Pending: False; Renders: 2");
});
}
public void RespondsToNotificationsFromAuthenticationStateProvider()
{
// Arrange: Service
var services = new ServiceCollection();
var authStateProvider = new TestAuthenticationStateProvider()
{
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");
});
}
