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+// NetworkReachabilityManagerTests.swift
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+//
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+// Copyright (c) 2014–2016 Alamofire Software Foundation (http://alamofire.org/)
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining a copy
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+// of this software and associated documentation files (the "Software"), to deal
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+// in the Software without restriction, including without limitation the rights
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+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+// copies of the Software, and to permit persons to whom the Software is
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+// furnished to do so, subject to the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be included in
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+// all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+// THE SOFTWARE.
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+
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+@testable import Alamofire
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+import Foundation
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+import SystemConfiguration
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+import XCTest
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+
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+class NetworkReachabilityManagerTestCase: BaseTestCase {
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+
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+ // MARK: - Tests - Initialization
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+
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+ func testThatManagerCanBeInitializedFromHost() {
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+ // Given, When
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+ let manager = NetworkReachabilityManager(host: "localhost")
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+
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+ // Then
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+ XCTAssertNotNil(manager)
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+ }
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+
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+ func testThatManagerCanBeInitializedFromAddress() {
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+ // Given, When
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+ let manager = NetworkReachabilityManager()
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+
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+ // Then
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+ XCTAssertNotNil(manager)
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+ }
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+
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+ func testThatHostManagerIsReachableOnWiFi() {
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+ // Given, When
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+ let manager = NetworkReachabilityManager(host: "localhost")
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+
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+ // Then
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+ XCTAssertEqual(manager?.networkReachabilityStatus, .ReachableOnWiFi)
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+ XCTAssertEqual(manager?.isReachable, true)
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+ XCTAssertEqual(manager?.isReachableOnWWAN, false)
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+ XCTAssertEqual(manager?.isReachableOnWiFi, true)
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+ }
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+
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+ func testThatAddressManagerStartsWithUnknownStatus() {
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+ // Given, When
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+ let manager = NetworkReachabilityManager()
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+
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+ // Then
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+ XCTAssertEqual(manager?.networkReachabilityStatus, .ReachableOnWiFi)
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+ XCTAssertEqual(manager?.isReachable, true)
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+ XCTAssertEqual(manager?.isReachableOnWWAN, false)
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+ XCTAssertEqual(manager?.isReachableOnWiFi, true)
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+ }
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+
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+ // MARK: - Tests - Listener
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+
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+ func testThatHostManagerIsNotifiedWhenStartListeningIsCalled() {
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+ // Given
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+ let manager = NetworkReachabilityManager(host: "localhost")
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+ let expectation = expectationWithDescription("listener closure should be executed")
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+
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+ var networkReachabilityStatus: NetworkReachabilityStatus?
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+
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+ manager?.listener = { status in
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+ networkReachabilityStatus = status
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+ expectation.fulfill()
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+ }
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+
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+ // When
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+ manager?.startListening()
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+ waitForExpectationsWithTimeout(timeout, handler: nil)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+ func testThatAddressManagerIsNotifiedWhenStartListeningIsCalled() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let expectation = expectationWithDescription("listener closure should be executed")
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+
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+ var networkReachabilityStatus: NetworkReachabilityStatus?
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+
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+ manager?.listener = { status in
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+ networkReachabilityStatus = status
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+ expectation.fulfill()
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+ }
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+
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+ // When
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+ manager?.startListening()
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+ waitForExpectationsWithTimeout(timeout, handler: nil)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+ // MARK: - Tests - Notifications
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+
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+ func testThatHostManagerSendsStatusNotificationWhenStartListeningIsCalled() {
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+ // Given
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+ let manager = NetworkReachabilityManager(host: "localhost")
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+
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+ var networkReachabilityStatus: NetworkReachabilityStatus?
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+
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+ expectationForNotification(NetworkReachabilityStatusDidChangeNotification, object: nil) { notification in
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+ if let
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+ value = (notification.object as? NSNumber)?.integerValue,
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+ status = NetworkReachabilityStatus(rawValue: value)
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+ {
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+ networkReachabilityStatus = status
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+ return true
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+ }
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+
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+ return false
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+ }
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+
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+ // When
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+ manager?.startListening()
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+ waitForExpectationsWithTimeout(timeout, handler: nil)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+ func testThatAddressManagerSendsStatusNotificationWhenStartListeningIsCalled() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+
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+ var networkReachabilityStatus: NetworkReachabilityStatus?
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+
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+ expectationForNotification(NetworkReachabilityStatusDidChangeNotification, object: nil) { notification in
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+ if let
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+ value = (notification.object as? NSNumber)?.integerValue,
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+ status = NetworkReachabilityStatus(rawValue: value)
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+ {
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+ networkReachabilityStatus = status
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+ return true
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+ }
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+
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+ return false
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+ }
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+
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+ // When
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+ manager?.startListening()
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+ waitForExpectationsWithTimeout(timeout, handler: nil)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+ // MARK: - Tests - Network Reachability Status
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+
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+ func testThatManagerReturnsNotReachableStatusWhenReachableFlagIsAbsent() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let flags: SCNetworkReachabilityFlags = [.ConnectionOnDemand]
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+
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+ // When
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+ let networkReachabilityStatus = manager?.networkReachabilityStatusForFlags(flags)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .NotReachable)
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+ }
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+
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+ func testThatManagerReturnsNotReachableStatusWhenInterventionIsRequired() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let flags: SCNetworkReachabilityFlags = [.Reachable, .ConnectionRequired, .ConnectionOnDemand, .InterventionRequired]
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+
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+ // When
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+ let networkReachabilityStatus = manager?.networkReachabilityStatusForFlags(flags)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .NotReachable)
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+ }
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+
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+ func testThatManagerReturnsReachableOnWiFiStatusWhenConnectionIsNotRequired() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let flags: SCNetworkReachabilityFlags = [.Reachable]
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+
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+ // When
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+ let networkReachabilityStatus = manager?.networkReachabilityStatusForFlags(flags)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+ func testThatManagerReturnsReachableOnWiFiStatusWhenConnectionIsOnDemand() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let flags: SCNetworkReachabilityFlags = [.Reachable, .ConnectionRequired, .ConnectionOnDemand]
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+
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+ // When
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+ let networkReachabilityStatus = manager?.networkReachabilityStatusForFlags(flags)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+ func testThatManagerReturnsReachableOnWiFiStatusWhenConnectionIsOnTraffic() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let flags: SCNetworkReachabilityFlags = [.Reachable, .ConnectionRequired, .ConnectionOnTraffic]
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+
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+ // When
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+ let networkReachabilityStatus = manager?.networkReachabilityStatusForFlags(flags)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWiFi)
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+ }
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+
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+#if os(iOS)
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+ func testThatManagerReturnsReachableOnWWANStatusWhenIsWWAN() {
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+ // Given
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+ let manager = NetworkReachabilityManager()
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+ let flags: SCNetworkReachabilityFlags = [.Reachable, .IsWWAN]
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+
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+ // When
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+ let networkReachabilityStatus = manager?.networkReachabilityStatusForFlags(flags)
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+
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+ // Then
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+ XCTAssertEqual(networkReachabilityStatus, .ReachableOnWWAN)
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+ }
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+#endif
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+}
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Christian Noon