public async Task DispatchAsyncKeysValuesNotMatching()
{
// arrange
FetchDataDelegate <string, string> fetch = async keys =>
await Task.FromResult(new IResult <string> [0])
.ConfigureAwait(false);
var options = new DataLoaderOptions <string>
{
BatchRequestDelay = TimeSpan.FromMinutes(10)
};
var loader = new DataLoader <string, string>(options, fetch);
await Task.Delay(10);
Task <IReadOnlyList <string> > loadResult = loader.LoadAsync("Foo", "Bar");
await loader.DispatchAsync().ConfigureAwait(false);
// act
Func <Task> verify = () => loadResult;
// assert
await Assert.ThrowsAsync <InvalidOperationException>(verify)
.ConfigureAwait(false);
}
public async Task DispatchAsyncNoBatching()
{
// arrange
IResult <string> expectedResult = Result <string> .Resolve("Bar");
FetchDataDelegate <string, string> fetch = async keys =>
await Task.FromResult(new[] { expectedResult })
.ConfigureAwait(false);
var options = new DataLoaderOptions <string>
{
Batching = false
};
var loader = new DataLoader <string, string>(options, fetch);
// this would block if batching would be enabled
var loadResult = await loader.LoadAsync("Foo")
.ConfigureAwait(false);
// act
await loader.DispatchAsync().ConfigureAwait(false);
// assert
Assert.Equal(expectedResult.Value, loadResult);
}
public async Task DispatchAsyncAuto()
{
// arrange
IResult <string> expectedResult = Result <string> .Resolve("Bar");
FetchDataDelegate <string, string> fetch = async keys =>
await Task.FromResult(new[] { expectedResult })
.ConfigureAwait(false);
var options = new DataLoaderOptions <string>
{
BatchRequestDelay = TimeSpan.FromMinutes(10)
};
var loader = new DataLoader <string, string>(options, fetch);
await Task.Delay(10);
Task <string> loadResult = loader.LoadAsync("Foo");
// act
await loader.DispatchAsync().ConfigureAwait(false);
// assert
Assert.Equal(expectedResult.Value,
await loadResult.ConfigureAwait(false));
}
public void DispatchAsyncNoException()
{
// arrange
FetchDataDelegate <string, string> fetch = TestHelpers
.CreateFetch <string, string>();
var options = new DataLoaderOptions <string>();
var loader = new DataLoader <string, string>(options, fetch);
// act
Action verify = () => loader.DispatchAsync();
// assert
Assert.Null(Record.Exception(verify));
}
public async Task DispatchAsyncNoException()
{
// 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);
// act
Func <Task> verify = () => loader.DispatchAsync();
// assert
Assert.Null(await Record.ExceptionAsync(verify)
.ConfigureAwait(false));
}
