public void It_Creates_With_NoValue()
{
var source = new TaskCompletionSource <TestEntity>();
var property = new DynamicPropertyFromTask <TestEntity>(DefaultPropertyName, _ => source.Task);
property.Value.Should().BeNull();
}
public void It_Changes_Value_From_Source()
{
var source = new TaskCompletionSource <TestEntity>();
var value = new TestEntity();
var property = new DynamicPropertyFromTask <TestEntity>(DefaultPropertyName, _ => source.Task);
source.TrySetResult(value);
property.Value.Should().Be(value);
}
public void It_Doesnt_Set_Value_After_Disposed()
{
var source = new TaskCompletionSource <TestEntity>();
var value = new TestEntity();
var property = new DynamicPropertyFromTask <TestEntity>(DefaultPropertyName, _ => source.Task);
property.Dispose();
source.TrySetResult(value);
property.Value.Should().NotBe(value);
}
public void It_Raises_ValueChanged()
{
var source = new TaskCompletionSource <TestEntity>();
var receivedValues = new List <IDynamicProperty>();
var property = new DynamicPropertyFromTask <TestEntity>(DefaultPropertyName, _ => source.Task);
property.ValueChanged += OnValueChanged;
source.TrySetResult(new TestEntity());
receivedValues.Count().Should().Be(1);
receivedValues[0].Should().Be(property);
void OnValueChanged(IDynamicProperty p)
{
receivedValues.Add(p);
}
}
public void It_Doesnt_Raise_ValueChanged_For_SameValue()
{
var source = new TaskCompletionSource <TestEntity>();
var value = new TestEntity();
var receivedValues = new List <IDynamicProperty>();
var property = new DynamicPropertyFromTask <TestEntity>(DefaultPropertyName, _ => source.Task, value);
property.ValueChanged += OnValueChanged;
source.TrySetResult(value);
receivedValues.Should().BeEmpty();
void OnValueChanged(IDynamicProperty p)
{
receivedValues.Add(p);
}
}
