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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using HotChocolate.Language; | ||
| using HotChocolate.Resolvers; | ||
| using Microsoft.Extensions.DiagnosticAdapter; | ||
| using Xunit; | ||
|
|
||
| namespace HotChocolate.Execution | ||
| { | ||
| public class DiagnosticTests | ||
| { | ||
| [Fact] | ||
| public async Task ResolverEvents() | ||
| { | ||
| // arrange | ||
| var listener = new TestDiagnosticListener(); | ||
| using (DiagnosticListener.AllListeners.Subscribe( | ||
| new DiagnosticObserver(listener))) | ||
| { | ||
| ISchema schema = CreateSchema(); | ||
|
|
||
| // act | ||
| await schema.ExecuteAsync("{ foo }"); | ||
|
|
||
| // assert | ||
| Assert.True(listener.ResolveFieldStart); | ||
| Assert.True(listener.ResolveFieldStop); | ||
| Assert.Equal("foo", listener.FieldSelection.Name.Value); | ||
| Assert.InRange(listener.Duration, | ||
| TimeSpan.FromMilliseconds(50), | ||
| TimeSpan.FromMilliseconds(2000)); | ||
| } | ||
| } | ||
|
|
||
| [Fact] | ||
| public async Task QueryEvents() | ||
| { | ||
| // arrange | ||
| var listener = new TestDiagnosticListener(); | ||
| using (DiagnosticListener.AllListeners.Subscribe( | ||
| new DiagnosticObserver(listener))) | ||
| { | ||
| ISchema schema = CreateSchema(); | ||
|
|
||
| // act | ||
| await schema.ExecuteAsync("{ foo }"); | ||
|
|
||
| // assert | ||
| Assert.True(listener.QueryStart); | ||
| Assert.True(listener.QueryStop); | ||
| } | ||
| } | ||
|
|
||
| private ISchema CreateSchema() | ||
| { | ||
| return Schema.Create( | ||
| "type Query { foo: String }", | ||
| c => c.BindResolver(() => | ||
| { | ||
| Thread.Sleep(50); | ||
| return "bar"; | ||
| }).To("Query", "foo")); | ||
| } | ||
|
|
||
| private class TestDiagnosticListener | ||
| { | ||
| public bool ResolveFieldStart { get; private set; } | ||
|
|
||
| public bool ResolveFieldStop { get; private set; } | ||
|
|
||
| public TimeSpan Duration { get; private set; } | ||
|
|
||
| public FieldNode FieldSelection { get; private set; } | ||
|
|
||
| public bool QueryStart { get; private set; } | ||
|
|
||
| public bool QueryStop { get; private set; } | ||
|
|
||
|
|
||
| [DiagnosticName("HotChocolate.Execution.Resolver.Start")] | ||
| public virtual void OnResolveFieldStart() | ||
| { | ||
| ResolveFieldStart = true; | ||
| } | ||
|
|
||
| [DiagnosticName("HotChocolate.Execution.Resolver.Stop")] | ||
| public virtual void OnResolveFieldStop(IResolverContext context) | ||
| { | ||
| ResolveFieldStop = true; | ||
| FieldSelection = context.FieldSelection; | ||
| Duration = Activity.Current.Duration; | ||
| } | ||
|
|
||
| [DiagnosticName("HotChocolate.Execution.Query.Start")] | ||
| public virtual void OnQueryStart() | ||
| { | ||
| QueryStart = true; | ||
| } | ||
|
|
||
| [DiagnosticName("HotChocolate.Execution.Query.Stop")] | ||
| public virtual void OnQueryStop(IResolverContext context) | ||
| { | ||
| QueryStop = true; | ||
| } | ||
| } | ||
|
|
||
| private class DiagnosticObserver | ||
| : IObserver<DiagnosticListener> | ||
| { | ||
| private readonly TestDiagnosticListener _listener; | ||
|
|
||
| public DiagnosticObserver(TestDiagnosticListener listener) | ||
| { | ||
| _listener = listener; | ||
| } | ||
|
|
||
| public void OnCompleted() | ||
| { | ||
| } | ||
|
|
||
| public void OnError(Exception error) | ||
| { | ||
| } | ||
|
|
||
| public void OnNext(DiagnosticListener value) | ||
| { | ||
| if (value.Name == "HotChocolate.Execution") | ||
| { | ||
| value.SubscribeWithAdapter(_listener, s => | ||
| { | ||
| return true; | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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