public async Task TwoOperations_ShortHand_QueryException()
{
// arrange
Schema schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
var request = new QueryRequest("{ a } query a { a }").ToReadOnly();
var context = new QueryContext(
schema, new EmptyServiceProvider(), request);
context.Document = Parser.Default.Parse(request.Query);
var middleware = new ResolveOperationMiddleware(
c => Task.CompletedTask, null);
// act
Func <Task> func = () => middleware.InvokeAsync(context);
// assert
QueryException exception =
await Assert.ThrowsAsync <QueryException>(func);
Assert.Equal(
"Only queries that contain one operation can be executed " +
"without specifying the opartion name.",
exception.Message);
}
public async Task TwoOperations_WrongOperationName_QueryException()
{
// arrange
Schema schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
var request = new QueryRequest(
"query a { a } query b { a }", "c")
.ToReadOnly();
var context = new QueryContext(
schema, new EmptyServiceProvider(), request);
context.Document = Parser.Default.Parse(request.Query);
var middleware = new ResolveOperationMiddleware(
c => Task.CompletedTask, null);
// act
Func <Task> func = () => middleware.InvokeAsync(context);
// assert
QueryException exception =
await Assert.ThrowsAsync <QueryException>(func);
Assert.Equal(
"The specified operation `c` does not exist.",
exception.Message);
}
public async Task OperationIsResolved()
{
// arrange
Schema schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
var request = new QueryRequest("query a { a }").ToReadOnly();
var context = new QueryContext(
schema, new EmptyServiceProvider(), request);
context.Document = Parser.Default.Parse(request.Query);
var middleware = new ResolveOperationMiddleware(
c => Task.CompletedTask, null);
// act
await middleware.InvokeAsync(context);
// assert
Assert.NotNull(context.Operation);
Assert.Equal("a", context.Operation.Name.Value);
}