public void Remove_does_clear_cache()
{
var context = new TestableCacheService();
context.SutInMemoryObject.Set(new InMemoryObject("stays"));
context.SutInMemoryObject.Clear();
Assert.Null(context.SutInMemoryObject.Get());
}
public void Get_does_call_func_if_provided_and_cache_empty()
{
var context = new TestableCacheService();
var called = false;
var cache = context.SutInMemoryObject.Get(() =>
{
called = true;
return(new InMemoryObject("is.called"));
});
Assert.True(called);
Assert.NotNull(cache);
Assert.Equal("is.called", cache.Value);
}
public void Get_does_not_call_func_if_cache_present()
{
var context = new TestableCacheService();
context.SutInMemoryObject.Set(new InMemoryObject("stays"));
var called = false;
var cache = context.SutInMemoryObject.Get(() =>
{
called = true;
return(new InMemoryObject("never.reached"));
});
Assert.False(called);
Assert.NotNull(cache);
Assert.Equal("stays", cache.Value);
}
public void ClearAll_does_clear_everything()
{
var context = new TestableCacheService();
context.Sut.Set(typeof(InMemoryObject), new InMemoryObject("stays"));
context.Sut.Set(typeof(string), "hello");
var internalCache = context.Sut.MemoryCache;
context.Sut.ClearAll();
context.Sut.MemoryCache.TryGetValue(typeof(string), out object stringValue);
context.Sut.MemoryCache.TryGetValue(typeof(InMemoryObject), out object testObject);
Assert.Null(stringValue);
Assert.Null(testObject);
Assert.NotEqual(internalCache, context.Sut.MemoryCache);
}
public void Get_does_return_null_if_nothing_set()
{
var context = new TestableCacheService();
Assert.Null(context.SutInMemoryObject.Get());
}
