public async Task PersistStateAsync_InvokesPauseCallbacksDuringPersist()
{
// Arrange
var state = new Dictionary <string, byte[]>();
var store = new TestStore(state);
var lifetime = new ComponentStatePersistenceManager(NullLogger <ComponentStatePersistenceManager> .Instance);
var renderer = new TestRenderer();
var data = new byte[] { 1, 2, 3, 4 };
var invoked = false;
lifetime.State.RegisterOnPersisting(() => { invoked = true; return(default); });
public async Task RestoreStateAsync_ThrowsOnDoubleInitialization()
{
// Arrange
var state = new Dictionary <string, byte[]>
{
["MyState"] = new byte[] { 0, 1, 2, 3, 4 }
};
var store = new TestStore(state);
var lifetime = new ComponentStatePersistenceManager(NullLogger <ComponentStatePersistenceManager> .Instance);
await lifetime.RestoreStateAsync(store);
// Assert
await Assert.ThrowsAsync <InvalidOperationException>(() => lifetime.RestoreStateAsync(store));
}
public async Task RestoreStateAsync_InitializesStateWithDataFromTheProvidedStore()
{
// Arrange
var data = new byte[] { 0, 1, 2, 3, 4 };
var state = new Dictionary <string, byte[]>
{
["MyState"] = JsonSerializer.SerializeToUtf8Bytes(data)
};
var store = new TestStore(state);
var lifetime = new ComponentStatePersistenceManager(NullLogger <ComponentStatePersistenceManager> .Instance);
// Act
await lifetime.RestoreStateAsync(store);
// Assert
Assert.True(lifetime.State.TryTakeFromJson <byte[]>("MyState", out var retrieved));
Assert.Empty(state);
Assert.Equal(data, retrieved);
}
public async Task PersistStateAsync_SavesPersistedStateToTheStore()
{
// Arrange
var state = new Dictionary <string, byte[]>();
var store = new TestStore(state);
var lifetime = new ComponentStatePersistenceManager(NullLogger <ComponentStatePersistenceManager> .Instance);
var renderer = new TestRenderer();
var data = new byte[] { 1, 2, 3, 4 };
lifetime.State.RegisterOnPersisting(() =>
{
lifetime.State.PersistAsJson("MyState", new byte[] { 1, 2, 3, 4 });
return(Task.CompletedTask);
});
// Act
await lifetime.PersistStateAsync(store, renderer);
// Assert
Assert.True(store.State.TryGetValue("MyState", out var persisted));
Assert.Equal(data, JsonSerializer.Deserialize <byte[]>(persisted.ToArray()));
}
