public async Task ReactInstanceManager_RecreateReactContextAsync()
{
var jsBundleFile = "ms-appx:///Resources/test.js";
ReactInstanceManager manager = null;
await DispatcherHelpers.CallOnDispatcherAsync(() => manager = CreateReactInstanceManager(jsBundleFile));
var task = default(Task <ReactContext>);
var reactContext = await DispatcherHelpers.CallOnDispatcherAsync(async() =>
{
task = manager.CreateReactContextAsync(CancellationToken.None);
return(await manager.RecreateReactContextAsync(CancellationToken.None));
});
var initialReactContext = await task;
Assert.IsNotNull(reactContext);
Assert.AreEqual(jsBundleFile, manager.SourceUrl);
Assert.AreNotEqual(initialReactContext, reactContext);
await DispatcherHelpers.CallOnDispatcherAsync(async() => await DisposeInstanceManager(manager));
}
public async Task ReactInstanceManager_RecreateReactContextAsync_EnsuresCalledOnce()
{
var jsBundleFile = "ms-appx:///Resources/test.js";
ReactInstanceManager manager = null;
await DispatcherHelpers.CallOnDispatcherAsync(() => manager = CreateReactInstanceManager(jsBundleFile));
var caught = false;
await DispatcherHelpers.CallOnDispatcherAsync(async() =>
{
try
{
await manager.RecreateReactContextAsync(CancellationToken.None);
}
catch (InvalidOperationException)
{
caught = true;
}
});
Assert.IsTrue(caught);
await DispatcherHelpers.CallOnDispatcherAsync(async() => await DisposeInstanceManager(manager));
}
public async Task ReactInstanceManager_Lifecycle_Cleanup_Old_Context()
{
var jsBundleFile = "ms-appx:///Resources/test.js";
ReactInstanceManager manager = null;
await DispatcherHelpers.CallOnDispatcherAsync(() => manager = CreateReactInstanceManager(jsBundleFile, LifecycleState.Foreground));
var listener = new LifecycleEventsListener(new LifecycleEventsListener.Step[]
{
LifecycleEventsListener.Step.EnteredBackground,
LifecycleEventsListener.Step.Suspend,
});
await DispatcherHelpers.CallOnDispatcherAsync(async() =>
{
var context = await manager.CreateReactContextAsync(CancellationToken.None);
context.AddBackgroundEventListener(listener);
context.AddLifecycleEventListener(listener);
var newContext = await manager.RecreateReactContextAsync(CancellationToken.None);
});
listener.Dispose();
await DispatcherHelpers.CallOnDispatcherAsync(async() => await DisposeInstanceManager(manager));
}