53 lines
1.3 KiB
Swift
53 lines
1.3 KiB
Swift
//
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// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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#if TESTABLE_BUILD
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/// Returns a single `TestScheduler` for all schedulers instances,
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/// for the purposes of testing.
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/// Makes it possible to turn asynchronous production code
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/// into fully synchronous tests. See `TestScheduler` for more documentation.
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public class TestSchedulers: Schedulers {
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public let scheduler: TestScheduler
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public init(scheduler: TestScheduler) {
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self.scheduler = scheduler
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}
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public var sync: Scheduler { scheduler }
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public var main: Scheduler { scheduler }
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public var sharedUserInteractive: Scheduler { scheduler }
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public var sharedUserInitiated: Scheduler { scheduler }
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public var sharedUtility: Scheduler { scheduler }
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public var sharedBackground: Scheduler { scheduler }
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public func sharedQueue(at qos: DispatchQoS) -> Scheduler {
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return scheduler
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}
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public func global(qos: DispatchQoS.QoSClass) -> Scheduler {
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return scheduler
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}
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public func queue(
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label: String,
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qos: DispatchQoS,
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attributes: DispatchQueue.Attributes,
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autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
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target: DispatchQueue?
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) -> Scheduler {
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return scheduler
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}
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}
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#endif
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