public void Forwarded_keys_cannot_be_modify()
{
var keyA = new DataKey <string>(typeof(DataFlowTests), "A");
var keyB = new DataKey <string>(typeof(DataFlowTests), "B");
var context = new DataContext();
context.Add(keyA, "A");
context.ForwardKey(keyB, keyA);
context.Contains(keyA).Should().BeTrue();
context.Contains(keyB).Should().BeTrue();
context.Add(keyB, "B");
}
/// <summary>
/// Removes the specified data key.
/// </summary>
public void Remove <T>(DataKey <T> dataKey)
{
DataContextEntry dataContextEntry = null;
if (dictionary.TryGetValue(dataKey.Id, out dataContextEntry))
{
if (dataContextEntry.Layer != LayerHelper.GetCurrentLayerId(layerNames))
{
throw new DataFlowException($"Other layer variables can not be remove. CurrentLayer: {LayerHelper.GetCurrentLayerId(layerNames)}, TargetLayer: {dataContextEntry.Layer}");
}
dictionary.Remove(dataKey.Id);
OnRemoved(dataKey);
return;
}
throw NoDataFoundException(dataKey);
}
public void Should_fire_events_when_layer_closed()
{
var context = new DataContext();
var key1 = new DataKey <string>(typeof(DataFlowTests), "key1");
var key2 = new DataKey <string>(typeof(DataFlowTests), "key2");
var key3 = new DataKey <string>(typeof(DataFlowTests), "key3");
var key4 = new DataKey <string>(typeof(DataFlowTests), "key4");
var temp = "";
context.OnRemove(key1, () => temp = "key1_remoed");
context.OpenNewLayer("L1");
temp.Should().Be(string.Empty);
context.Add(key1, "A");
context.Add(key2, "B");
context.CloseCurrentLayer();
temp.Should().Be("key1_remoed");
}
public void Should_get_data_when_virtual_key_used()
{
var context = new DataContext();
var key1 = new DataKey <string>(typeof(DataFlowTests), "key1");
var key2 = new DataKey <string>(typeof(DataFlowTests), "key2");
var key3 = new DataKey <string>(typeof(DataFlowTests), "key3");
var key4 = new DataKey <string>(typeof(DataFlowTests), "key4");
context.Add(key1, "A");
context.Add(key2, "B");
context.Contains(key3).Should().BeFalse();
context.SetupGet(key3, c => c.Get(key1) + "X" + c.Get(key2));
context.Get(key3).Should().Be("AXB");
context.ForwardKey(key4, key3);
context.Get(key4).Should().Be("AXB");
}
/// <summary>
/// Called when [inserted].
/// </summary>
void OnInserted <T>(DataKey <T> dataKey)
{
var eventName = GetInsertEventName(dataKey);
eventBus.Publish(eventName);
}
/// <summary>
/// Called when [remove].
/// </summary>
public void OnRemove <T>(DataKey <T> dataKey, Action action)
{
eventBus.Subscribe(GetRemoveEventName(dataKey), action);
}
/// <summary>
/// Called when [update].
/// </summary>
public void OnUpdate <T>(DataKey <T> dataKey, Action action)
{
eventBus.Subscribe(GetUpdateEventName(dataKey), action);
}
/// <summary>
/// Called when [insert].
/// </summary>
public void OnInsert <T>(DataKey <T> dataKey, Action action)
{
eventBus.Subscribe(GetInsertEventName(dataKey), action);
}
/// <summary>
/// Gets the name of the remove event.
/// </summary>
string GetRemoveEventName <T>(DataKey <T> dataKey)
{
return("Remove->" + dataKey.Id);
}
/// <summary>
/// Gets the name of the update event.
/// </summary>
string GetUpdateEventName <T>(DataKey <T> dataKey)
{
return("Update->" + dataKey.Id);
}
/// <summary>
/// Gets the identifier.
/// </summary>
string GetId <T>(DataKey <T> dataKey)
{
return(GetId(dataKey.Id));
}
/// <summary>
/// Noes the data found exception.
/// </summary>
static DataFlowException NoDataFoundException <T>(DataKey <T> dataKey)
{
return(new DataFlowException($"No data found in context. Data key is '{dataKey}'"));
}
/// <summary>
/// Setups the get.
/// </summary>
public void SetupGet <T>(DataKey <T> dataKey, Func <DataContext, T> getHandler)
{
var id = GetId(dataKey);
getHandlers.Add(id, c => getHandler(c));
}
/// <summary>
/// Determines whether [contains] [the specified data key].
/// </summary>
public bool Contains <T>(DataKey <T> dataKey)
{
var id = GetId(dataKey);
return(dictionary.ContainsKey(id));
}
/// <summary>
/// Called when [updated].
/// </summary>
void OnUpdated <T>(DataKey <T> dataKey)
{
var eventName = GetUpdateEventName(dataKey);
eventBus.Publish(eventName);
}
/// <summary>
/// Called when [removed].
/// </summary>
void OnRemoved <T>(DataKey <T> dataKey)
{
var eventName = GetRemoveEventName(dataKey);
eventBus.Publish(eventName);
}
/// <summary>
/// Gets the name of the insert event.
/// </summary>
string GetInsertEventName <T>(DataKey <T> dataKey)
{
return("Insert->" + dataKey.Id);
}
