public async Task AttachingToNewPage_DisposesExistingScopeAsync()
{
// Arrange
var services = RegisterTestServices().AddTestBlazorWebView().BuildServiceProvider();
var fileProvider = new TestFileProvider();
var webViewManager = new TestWebViewManager(services, fileProvider);
await webViewManager.AddRootComponentAsync(typeof(MyComponent), "#app", ParameterView.Empty);
var singleton = services.GetRequiredService <SingletonService>();
// Act
Assert.Empty(webViewManager.SentIpcMessages);
webViewManager.ReceiveAttachPageMessage();
webViewManager.ReceiveAttachPageMessage();
// Assert
Assert.Collection(webViewManager.SentIpcMessages,
m => AssertHelpers.IsAttachWebRendererInteropMessage(m),
m => AssertHelpers.IsAttachToDocumentMessage(m, 0, "#app"),
m => AssertHelpers.IsRenderBatch(m),
m => AssertHelpers.IsAttachWebRendererInteropMessage(m),
m => AssertHelpers.IsAttachToDocumentMessage(m, 0, "#app"),
m => AssertHelpers.IsRenderBatch(m));
Assert.Equal(2, singleton.Services.Count);
Assert.NotSame(singleton.Services[0], singleton.Services[1]);
}
public async Task AddRootComponentsWithExistingSelector_Throws()
{
// Arrange
const string arbitraryComponentSelector = "some_selector";
var services = RegisterTestServices().AddTestBlazorWebView().BuildServiceProvider();
var fileProvider = new TestFileProvider();
var webViewManager = new TestWebViewManager(services, fileProvider);
await webViewManager.AddRootComponentAsync(typeof(MyComponent), arbitraryComponentSelector, ParameterView.Empty);
// Act & assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(async() => await webViewManager.AddRootComponentAsync(typeof(MyComponent), arbitraryComponentSelector, ParameterView.Empty));
Assert.Equal($"There is already a root component with selector '{arbitraryComponentSelector}'.", ex.Message);
}
public async Task CanDisposeWebViewManagerWithAsyncDisposableServices()
{
// Arrange
var services = RegisterTestServices()
.AddTestBlazorWebView()
.AddScoped <AsyncDisposableService>()
.BuildServiceProvider();
var fileProvider = new TestFileProvider();
var webViewManager = new TestWebViewManager(services, fileProvider);
await webViewManager.AddRootComponentAsync(typeof(MyComponentUsingScopedAsyncDisposableService), "#app", ParameterView.Empty);
webViewManager.ReceiveAttachPageMessage();
// Act
await webViewManager.DisposeAsync();
}
public async Task CanRenderRootComponentAsync()
{
// Arrange
var services = RegisterTestServices().AddTestBlazorWebView().BuildServiceProvider();
var fileProvider = new TestFileProvider();
var webViewManager = new TestWebViewManager(services, fileProvider);
await webViewManager.AddRootComponentAsync(typeof(MyComponent), "#app", ParameterView.Empty);
// Act
Assert.Empty(webViewManager.SentIpcMessages);
webViewManager.ReceiveAttachPageMessage();
// Assert
Assert.Collection(webViewManager.SentIpcMessages,
m => AssertHelpers.IsAttachWebRendererInteropMessage(m),
m => AssertHelpers.IsAttachToDocumentMessage(m, 0, "#app"),
m => AssertHelpers.IsRenderBatch(m));
}
