public void GetNamedResourceList_OnEmptyCache_ReturnsNull()
{
// assemble
ResourceListCacheManager sut = CreateSut();
// act
NamedApiResourceList <Berry> cached = sut.GetNamedResourceList <Berry>(testUrl);
// assert
Assert.Null(cached);
}
/// <summary>
/// Handles cache manipulation
/// </summary>
private async Task <NamedApiResourceList <T> > GetNamedResourcePageAsync <T>(Func <string, string> urlFn, CancellationToken cancellationToken)
where T : NamedApiResource
{
string pageUrl = urlFn(GetApiEndpointString <T>());
NamedApiResourceList <T> resources = _resourceListCache.GetNamedResourceList <T>(pageUrl);
if (resources == null)
{
resources = await GetPageAsync(JsonConvert.DeserializeObject <NamedApiResourceList <T> >, cancellationToken)(pageUrl) as NamedApiResourceList <T>;
_resourceListCache.Store(pageUrl, resources);
}
return(resources);
}
public void GetNamedResourceList_WithNonStoredUri_ReturnsNull()
{
// assemble
ResourceListCacheManager sut = CreateSut();
(string url, NamedApiResourceList <Berry> list) = CreateFakeNamedResourceList <Berry>();
sut.Store(url, list);
// act
NamedApiResourceList <Berry> cached = sut.GetNamedResourceList <Berry>(testUrl);
// assert
Assert.Null(cached);
}
public void GetNamedResourceList_WithStoredUri_ReturnsResource()
{
// assemble
ResourceListCacheManager sut = new ResourceListCacheManager();
(string url, NamedApiResourceList <Berry> list) = CreateFakeNamedResourceList <Berry>();
sut.Store(url, list);
// act
NamedApiResourceList <Berry> cached = sut.GetNamedResourceList <Berry>(url);
// assert
Assert.Same(list, cached);
}
public void CacheIsClearedForSpecificType()
{
// assemble
ResourceListCacheManager sut = CreateSut();
(string berryUri, NamedApiResourceList <Berry> berryList) = CreateFakeNamedResourceList <Berry>();
(string machineUri, ApiResourceList <Machine> machineList) = CreateFakeApiResourceList <Machine>();
sut.Store(berryUri, berryList);
sut.Store(machineUri, machineList);
// act
sut.Clear <Berry>();
// assert
NamedApiResourceList <Berry> cachedBerryList = sut.GetNamedResourceList <Berry>(berryUri);
ApiResourceList <Machine> cachedMachineList = sut.GetApiResourceList <Machine>(machineUri);
Assert.Null(cachedBerryList);
Assert.NotNull(cachedMachineList);
}
public void AllCacheIsCleared()
{
// assemble
ResourceListCacheManager sut = new ResourceListCacheManager();
(string berryUri, NamedApiResourceList <Berry> berryList) = CreateFakeNamedResourceList <Berry>();
(string machineUri, ApiResourceList <Machine> machineList) = CreateFakeApiResourceList <Machine>();
sut.Store(berryUri, berryList);
sut.Store(machineUri, machineList);
// act
sut.ClearAll();
// assert
NamedApiResourceList <Berry> cacheddBerryList = sut.GetNamedResourceList <Berry>(berryUri);
ApiResourceList <Machine> cachedMachineList = sut.GetApiResourceList <Machine>(machineUri);
Assert.Null(cacheddBerryList);
Assert.Null(cachedMachineList);
}