public async Task InvalidateAsync_when_called_l1_and_l2_called()
{
// Arrange
var l1First = false;
var l2First = false;
var level1 = new InspectableCache((key) => { l1First = !l2First; });
var level2 = new InspectableCache((key) => { l2First = !l1First; });
var sut = new CompositeCache(level1, level2);
// Act
await sut.InvalidateAsync("a");
// Assert
Assert.True(l2First);
Assert.False(l1First);
}
public async Task InvalidateAsync_when_l2_called_then_l1_not_called_yet()
{
// Arrange
var l1 = false;
var l2 = false;
var level1 = new InspectableCache((key) => { l1 = true; });
var level2 = new InspectableCache((key) => { l2 = true; });
var sut = new CompositeCache(level1, level2);
// Act
await sut.InvalidateAsync("a");
// Assert
Assert.True(l1);
Assert.True(l2);
}