public async Task GetPeople_CalledTwice_CallsReaderOnce()
{
var counted = new CountedReader();
var duration = new TimeSpan(0, 0, 1);
var reader = new CachingReader(counted, duration);
await reader.GetPeople();
await reader.GetPeople();
Assert.AreEqual(1, counted.CallCount);
}
public async Task GetPeople_OnExpiredCache_CallsReader()
{
var counted = new CountedReader();
var duration = new TimeSpan(0, 0, 1);
var reader = new CachingReader(counted, duration);
await reader.GetPeople();
await Task.Delay(2000);
await reader.GetPeople();
Assert.AreEqual(2, counted.CallCount);
}