Commit

Carthage/Checkouts/TrueTime.swift/Tests/ArbitraryExtensions.swift

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+//
+//  ArbitraryExtensions.swift
+//  TrueTime
+//
+//  Created by Michael Sanders on 7/19/16.
+//  Copyright © 2016 Instacart. All rights reserved.
+//
+
+@testable import TrueTime
+import SwiftCheck
+
+extension timeval: Arbitrary {
+    public static var arbitrary: Gen<timeval> {
+        return Gen<(Int, Int32)>.zip(Int.arbitrary, Int32.arbitrary).map(timeval.init)
+    }
+}
+
+extension timeval {
+    static var arbitraryPositive: Gen<timeval> {
+        return arbitrary.suchThat { $0.tv_sec > 0 && $0.tv_usec > 0 }
+    }
+}

Carthage/Checkouts/TrueTime.swift/Tests/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

Carthage/Checkouts/TrueTime.swift/Tests/NTPExtensionsSpec.swift

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+//
+//  NTPExtensionsSpec.swift
+//  TrueTime
+//
+//  Created by Michael Sanders on 7/18/16.
+//  Copyright © 2016 Instacart. All rights reserved.
+//
+
+@testable import TrueTime
+import Nimble
+import Quick
+import SwiftCheck
+
+final class NTPExtensionsSpec: QuickSpec {
+    override func spec() {
+        it("ntp_time64_t") {
+            property("Matches timeval precision") <- forAll(timeval.arbitraryPositive) { time in
+                let ntp = ntp_time64_t(timeSince1970: time)
+                return ntp.milliseconds == time.milliseconds
+            }
+        }
+    }
+}

Carthage/Checkouts/TrueTime.swift/Tests/NTPIntegrationSpec.swift

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+//
+//  NTPIntegrationSpec.swift
+//  TrueTime
+//
+//  Created by Michael Sanders on 8/1/16.
+//  Copyright © 2016 Instacart. All rights reserved.
+//
+
+@testable import TrueTime
+import Nimble
+import Quick
+
+final class NTPIntegrationSpec: QuickSpec {
+    override func spec() {
+        describe("fetchIfNeeded") {
+            it("should ignore outliers") {
+                self.testReferenceTimeOutliers()
+            }
+        }
+    }
+}
+
+private extension NTPIntegrationSpec {
+    func testReferenceTimeOutliers() {
+        let clients = (0..<100).map { _ in TrueTimeClient() }
+        waitUntil(timeout: 60) { done in
+            var results: [ReferenceTimeResult?] = Array(repeating: nil, count: clients.count)
+            let start = NSDate()
+            let finish = {
+                let end = NSDate()
+                let results = results.compactMap { $0 }
+                let times = results.compactMap { try? $0.get() }
+                let errors: [Error] = results.compactMap {
+                    guard case let .failure(failure) = $0 else { return nil }
+
+                    return failure
+                }
+                expect(times).notTo(beEmpty(), description: "Expected times, got: \(errors)")
+                print("Got \(times.count) times for \(results.count) results")
+
+                let sortedTimes = times.sorted {
+                    $0.time.timeIntervalSince1970 < $1.time.timeIntervalSince1970
+                }
+
+                if !sortedTimes.isEmpty {
+                    let medianTime = sortedTimes[sortedTimes.count / 2]
+                    let maxDelta = end.timeIntervalSince1970 - start.timeIntervalSince1970
+                    for time in times {
+                        let delta = abs(time.time.timeIntervalSince1970 -
+                                        medianTime.time.timeIntervalSince1970)
+                        expect(delta) <= maxDelta
+                    }
+                }
+
+                done()
+            }
+
+            for (idx, client) in clients.enumerated() {
+                client.start(pool: ["time.apple.com"])
+                client.fetchIfNeeded { result in
+                    results[idx] = result
+                    if !results.contains(where: { $0 == nil }) {
+                        finish()
+                    }
+                }
+            }
+        }
+    }
+}