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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 1,53 @@ | ||
| @testable import NIOPosix | ||
| import NIOCore | ||
| import NIOConcurrencyHelpers | ||
| import XCTest | ||
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| final class RecorderDelegate: NIOEventLoopMetricsDelegate, Sendable { | ||
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| private let _infos: NIOLockedValueBox<[NIOEventLoopTickInfo]> = .init([]) | ||
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| var infos: [NIOEventLoopTickInfo] { | ||
| _infos.withLockedValue {$0 } | ||
| } | ||
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| func processedTick(info: NIOPosix.NIOEventLoopTickInfo) { | ||
| _infos.withLockedValue { | ||
| $0.append(info) | ||
| } | ||
| } | ||
| } | ||
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| final class EventLoopMetricsDelegateTests: XCTestCase { | ||
| func testMetricsDelegateNotCalledWhenNoEvents() { | ||
| let delegate = RecorderDelegate() | ||
| _ = MultiThreadedEventLoopGroup(numberOfThreads: 1, metricsDelegate: delegate) | ||
| XCTAssertEqual(delegate.infos.count, 0) | ||
| } | ||
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| func testMetricsDelegateTickInfo() { | ||
| let delegate = RecorderDelegate() | ||
| let elg = MultiThreadedEventLoopGroup(numberOfThreads: 1, metricsDelegate: delegate) | ||
| let el = elg.any() | ||
| let testStartTime = NIODeadline.now() | ||
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| XCTAssertEqual(delegate.infos.count, 0) | ||
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| let promise = el.makePromise(of: Void.self) | ||
| el.scheduleTask(in: .seconds(1)){ | ||
| promise.succeed() | ||
| } | ||
| promise.futureResult.whenSuccess { | ||
| XCTAssertEqual(delegate.infos.count, 1) | ||
| // 2 tasks: one is the scheduleTask call and one is the whenSuccess call | ||
| XCTAssertEqual(delegate.infos.first?.numberOfTasks, 2) | ||
| XCTAssertEqual(delegate.infos.first?.eventLoopID, ObjectIdentifier(el)) | ||
| if let tickStartTime = delegate.infos.first?.startTime { | ||
| let timeSinceStart = tickStartTime - testStartTime | ||
| XCTAssertLessThan(timeSinceStart.nanoseconds, 1_000_000_000) // 1 second | ||
| XCTAssertGreaterThan(timeSinceStart.nanoseconds, 0) | ||
| } | ||
| } | ||
| try? promise.futureResult.wait() | ||
| } | ||
| } |