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//
// OperationObserverTests.swift
// MullvadVPNTests
//
// Created by pronebird on 02/06/2022.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import Operations
import XCTest
@testable import MullvadMockData
class OperationObserverTests: XCTestCase {
func testBlockObserver() throws {
let expectDidAttach = expectation(description: "didAttach handler")
let expectDidStart = expectation(description: "didStart handler")
let expectDidCancel = expectation(description: "didCancel handler")
expectDidCancel.isInverted = true
let expectDidFinish = expectation(description: "didAttach handler")
let operation = AsyncBlockOperation {}
operation.addBlockObserver(
OperationBlockObserver(
didAttach: { _ in
expectDidAttach.fulfill()
},
didStart: { _ in
expectDidStart.fulfill()
},
didCancel: { _ in
expectDidCancel.fulfill()
},
didFinish: { _, _ in
expectDidFinish.fulfill()
}
))
let operationQueue = AsyncOperationQueue()
operationQueue.addOperation(operation)
wait(for: [expectDidCancel], timeout: .UnitTest.invertedTimeout)
wait(for: [expectDidAttach, expectDidStart, expectDidFinish], timeout: .UnitTest.timeout, enforceOrder: true)
}
func testBlockObserverWithCancelledOperation() {
let expectDidAttach = expectation(description: "didAttach handler")
let expectDidStart = expectation(description: "didStart handler")
expectDidStart.isInverted = true
let expectDidCancel = expectation(description: "didCancel handler")
let expectDidFinish = expectation(description: "didAttach handler")
let operation = AsyncBlockOperation {}
operation.addBlockObserver(
OperationBlockObserver(
didAttach: { _ in
expectDidAttach.fulfill()
},
didStart: { _ in
expectDidStart.fulfill()
},
didCancel: { _ in
expectDidCancel.fulfill()
},
didFinish: { _, _ in
expectDidFinish.fulfill()
}
))
operation.cancel()
let operationQueue = AsyncOperationQueue()
operationQueue.addOperation(operation)
wait(for: [expectDidStart], timeout: .UnitTest.invertedTimeout)
wait(for: [expectDidAttach, expectDidCancel, expectDidFinish], timeout: .UnitTest.timeout, enforceOrder: true)
}
}
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