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Description
You will run into a race condition when you build multiple test servers with the same controller. You will run into this exception:
GraphQL.AspNet.Execution.Exceptions.GraphTypeDeclarationException : The item, 'GraphQlAspnetBuildRaceCondition.ParamController.Get.id', declares an invalid name, ''. Graph names can only contain letters A-Z, numbers 0-9 and an underscore. They must also not start with a double underscore.
I could refactor to ensure I do not have different tests with the same controller. However, it is sometimes helpful to do this, especially when you are using type extensions.
It can be reproduced with a simple test case. Only the test that creates multiple servers will fail (most of the time).
public class UnitTest
{
[Fact]
public void FailedWithParams()
{
Task.WaitAll(
Task.Run(() => BuildServer<ParamController>()),
Task.Run(() => BuildServer<ParamController>()),
Task.Run(() => BuildServer<ParamController>())
);
}
[Fact]
public void SuccessWithParams()
{
BuildServer<ParamController>()
}
[Fact]
public void FailedWithoutParams()
{
Task.WaitAll(
Task.Run(() => BuildServer<WithoutParamController>()),
Task.Run(() => BuildServer<WithoutParamController>()),
Task.Run(() => BuildServer<WithoutParamController>())
);
}
private void BuildServer<T>()
where T : GraphController
{
var builder = new TestServerBuilder<GraphSchema>();
builder.AddGraphQL(options =>
{
options.AddController<T>();
});
builder.Build();
}
}And the controllers:
[GraphRoute("without-param")]
public class WithoutParamController : GraphController
{
[Query("get")]
public string Get()
{
return "somestring";
}
}[GraphRoute("with-param")]
public class ParamController : GraphController
{
[Query("get")]
public string Get(string id)
{
return id;
}
}Metadata
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