64 lines
1.6 KiB
Swift
64 lines
1.6 KiB
Swift
import Foundation
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import Recording
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/// A recording service that records its invocations in call order, each one taking a configurable amount of time, and can be
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/// configured to fail.
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@MainActor
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final class CapturingMock: Capturing {
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/// The stream of events the service emits outside its method calls.
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let events: AsyncStream<CapturingEvent>
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/// The duration every method takes before returning, simulating slow capture work.
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var delay: Duration = .zero
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/// The error the service throws from every method, or `nil` when it should succeed.
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var error: Error?
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/// The names of the methods called on the service, in call order.
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private(set) var calls: [String] = []
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/// The continuation that feeds ``events``.
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private let continuation: AsyncStream<CapturingEvent>.Continuation
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init() {
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(events, continuation) = AsyncStream.makeStream(of: CapturingEvent.self)
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}
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/// Emits an interruption of the ongoing capture through ``events``.
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func interrupt() {
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continuation.yield(.interrupted)
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}
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func start() async throws {
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try await called("start")
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}
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func pause() async throws {
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try await called("pause")
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}
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func resume() async throws {
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try await called("resume")
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}
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func stop() async throws -> URL {
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try await called("stop")
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return FileManager.default.temporaryDirectory.appending(path: "mock.m4a")
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}
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private func called(
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_ name: String
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) async throws {
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calls.append(name)
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try await Task.sleep(for: delay)
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if let error {
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throw error
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}
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}
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}
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