public async Task Invoke(
HttpContext context,
Schema schema,
OperationExecuter operationExecuter)
{
bool handled = false;
if (context.Request.Method.Equals(_post, StringComparison.OrdinalIgnoreCase))
{
string path = context.Request.Path.ToUriComponent();
if (_route == null || _route.Equals(path))
{
await HandleRequestAsync(context, schema,
operationExecuter, context.RequestAborted)
.ConfigureAwait(false);
handled = true;
}
}
if (!handled)
{
await _next(context);
}
}
public async Task TypeNameIntrospectionNotOnQuery()
{
// arrange
Schema schema = CreateSchema();
DocumentNode query = Parser.Default.Parse("{ b { __typename } }");
// act
OperationExecuter operationExecuter = new OperationExecuter();
QueryResult result = await operationExecuter.ExecuteRequestAsync(
schema, query, null, null, null, CancellationToken.None);
// assert
Assert.Null(result.Errors);
Assert.Equal(Snapshot.Current(), Snapshot.New(result));
}
public async Task ExecuteGraphiQLIntrospectionQuery()
{
// arrange
Schema schema = CreateSchema();
DocumentNode query = Parser.Default.Parse(
FileResource.Open("IntrospectionQuery.graphql"));
// act
OperationExecuter operationExecuter = new OperationExecuter();
Stopwatch sw = Stopwatch.StartNew();
QueryResult result = await operationExecuter.ExecuteRequestAsync(
schema, query, null, null, null, CancellationToken.None);
// assert
Assert.Null(result.Errors);
Assert.Equal(Snapshot.Current(), Snapshot.New(result));
}
private async Task HandleRequestAsync(
HttpContext context,
Schema schema,
OperationExecuter operationExecuter,
CancellationToken cancellationToken)
{
QueryRequest request = await ReadRequestAsync(context.Request)
.ConfigureAwait(false);
DocumentNode queryDocument = _parser.Parse(request.Query);
QueryResult result = await operationExecuter.ExecuteRequestAsync(
schema, queryDocument, request.OperationName,
DeserializeVariables(request.Variables), null,
CancellationToken.None).ConfigureAwait(false);
await WriteResponseAsync(context.Response, result)
.ConfigureAwait(false);
}