public void RemoveEntry()
{
// arrange
FetchDataDelegate <string, string> fetch = async keys =>
await Task.FromResult(new IResult <string> [0])
.ConfigureAwait(false);
var options = new DataLoaderOptions <string>
{
Batching = false
};
var loader = new DataLoader <string, string>(options, fetch);
var key = "Foo";
loader.Set(key, Task.FromResult("Bar"));
// act
IDataLoader <string, string> result = loader.Remove(key);
// assert
Task <string> loadResult = loader.LoadAsync(key);
if (loadResult is IAsyncResult asyncResult)
{
asyncResult.AsyncWaitHandle.WaitOne();
}
Assert.Equal(loader, result);
Assert.NotNull(loadResult.Exception);
}
public void IDataLoaderRemoveNoException()
{
// arrange
FetchDataDelegate <string, string> fetch = TestHelpers.CreateFetch <string, string>();
var batchScheduler = new ManualBatchScheduler();
IDataLoader loader = new DataLoader <string, string>(batchScheduler, fetch);
object key = "Foo";
// act
Action verify = () => loader.Remove(key);
// assert
Assert.Null(Record.Exception(verify));
}
public void IDataLoaderRemoveKeyNull()
{
// arrange
FetchDataDelegate <string, string> fetch = TestHelpers.CreateFetch <string, string>();
var batchScheduler = new ManualBatchScheduler();
IDataLoader loader = new DataLoader <string, string>(batchScheduler, fetch);
object key = null;
loader.Set("Foo", Task.FromResult((object)"Bar"));
// act
Action verify = () => loader.Remove(key);
// assert
Assert.Throws <ArgumentNullException>("key", verify);
}
public void RemoveNoException()
{
// arrange
FetchDataDelegate <string, string> fetch = async keys =>
await Task.FromResult(new IResult <string> [0])
.ConfigureAwait(false);
var options = new DataLoaderOptions <string>();
var loader = new DataLoader <string, string>(options, fetch);
var key = "Foo";
// act
Action verify = () => loader.Remove(key);
// assert
Assert.Null(Record.Exception(verify));
}
public void RemoveKeyNull()
{
// arrange
FetchDataDelegate <string, string> fetch = async keys =>
await Task.FromResult(new IResult <string> [0])
.ConfigureAwait(false);
var options = new DataLoaderOptions <string>();
var loader = new DataLoader <string, string>(options, fetch);
string key = null;
loader.Set("Foo", Task.FromResult("Bar"));
// act
Action verify = () => loader.Remove(key);
// assert
Assert.Throws <ArgumentNullException>("key", verify);
}
public void IDataLoaderRemoveEntry()
{
// arrange
FetchDataDelegate <string, string> fetch = TestHelpers.CreateFetch <string, string>();
var batchScheduler = new ManualBatchScheduler();
var cache = new TaskCache(10);
var options = new DataLoaderOptions <string>
{
Cache = cache
};
IDataLoader loader = new DataLoader <string, string>(batchScheduler, fetch, options);
object key = "Foo";
loader.Set(key, Task.FromResult((object)"Bar"));
// act
loader.Remove(key);
// assert
Assert.Equal(0, cache.Usage);
}
