public async Task <string> GetWithStackedDataLoader(
string key,
[DataLoader("fooBar")] TestDataLoader testDataLoader,
CancellationToken cancellationToken)
{
var s = await testDataLoader.LoadAsync(key + "a", cancellationToken);
s += await testDataLoader.LoadAsync(key + "b", cancellationToken);
s += await testDataLoader.LoadAsync(key + "c", cancellationToken);
s += await testDataLoader.LoadAsync(key + "d", cancellationToken);
await Task.Delay(10, cancellationToken);
s += await testDataLoader.LoadAsync(key + "e", cancellationToken);
s += await testDataLoader.LoadAsync(key + "f", cancellationToken);
s += await testDataLoader.LoadAsync(key + "g", cancellationToken);
await Task.Delay(10, cancellationToken);
s += await testDataLoader.LoadAsync(key + "h", cancellationToken);
return(s);
}
public Task <string> GetWithDataLoader(
string key,
FieldNode fieldSelection,
[DataLoader] TestDataLoader testDataLoader,
CancellationToken cancellationToken)
{
return(testDataLoader.LoadAsync(key, cancellationToken));
}
public async Task ClassDataLoader()
{
// arrange
IRequestExecutor executor = await CreateExecutorAsync(c => c
.AddQueryType <Query>()
.AddDataLoader <ITestDataLoader, TestDataLoader>()
.ModifyRequestOptions(o => o.IncludeExceptionDetails = true)
.UseRequest(next => async context =>
{
await next(context);
TestDataLoader dataLoader =
context.Services
.GetRequiredService <IDataLoaderRegistry>()
.GetOrRegister <TestDataLoader>(() => throw new Exception());
context.Result = QueryResultBuilder
.FromResult(((IQueryResult)context.Result !))
.AddExtension("loads", dataLoader.Loads)
.Create();
})
.UseDefaultPipeline());
// act
var results = new List <IExecutionResult>
{
await executor.ExecuteAsync(
QueryRequestBuilder.New()
.SetQuery(
@"{
a: withDataLoader(key: ""a"")
b: withDataLoader(key: ""b"")
bar {
c: withDataLoader(key: ""c"")
}
}")
.Create()),
await executor.ExecuteAsync(
QueryRequestBuilder.New()
.SetQuery(
@"{
a: withDataLoader(key: ""a"")
}")
.Create()),
await executor.ExecuteAsync(
QueryRequestBuilder.New()
.SetQuery(
@"{
c: withDataLoader(key: ""c"")
}")
.Create())
};
// assert
results.MatchSnapshot();
}
public async Task <string> GetWithStackedDataLoader(
string key,
FieldNode fieldSelection,
[DataLoader("fooBar")] TestDataLoader testDataLoader,
CancellationToken cancellationToken)
{
string s = await testDataLoader.LoadAsync(key + "a", cancellationToken);
s += await testDataLoader.LoadAsync(key + "b", cancellationToken);
s += await testDataLoader.LoadAsync(key + "c", cancellationToken);
s += await testDataLoader.LoadAsync(key + "d", cancellationToken);
s += await testDataLoader.LoadAsync(key + "e", cancellationToken);
return(s);
}