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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SKLogging
import SwiftExtensions
import XCTest
/// Runs the body repeatedly once per second until it returns `true`, giving up after `timeout`.
///
/// This is useful to test some request that requires global state to be updated but will eventually converge on the
/// correct result.
///
/// `sleepInterval` is the duration to wait before re-executing the body.
package func repeatUntilExpectedResult(
timeout: Duration = .seconds(defaultTimeout),
sleepInterval: Duration = .seconds(1),
_ body: () async throws -> Bool,
file: StaticString = #filePath,
line: UInt = #line
) async throws {
for _ in 0..<Int(timeout.seconds / sleepInterval.seconds) {
if try await body() {
return
}
try await Task.sleep(for: sleepInterval)
}
XCTFail("Failed to get expected result", file: file, line: line)
}
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