OpenVPN Adapter now can be compiled for both macOS and iOS

OpenVPN Adapter Tests/OpenVPNAdapterTests.swift

@@ -0,0 +1,89 @@
+//
+//  OpenVPN_Adapter_Tests.swift
+//  OpenVPN Adapter Tests
+//
+//  Created by Sergey Abramchuk on 09.03.17.
+//
+//
+
+import XCTest
+import NetworkExtension
+@testable import OpenVPNAdapter
+
+class OpenVPNAdapterTests: XCTestCase {
+    
+    let vpnConfiguration = "free_openvpn_udp"
+    
+    var vpnAdapterExpectation: XCTestExpectation?
+    
+    override func setUp() {
+        super.setUp()
+    }
+    
+    override func tearDown() {
+        vpnAdapterExpectation = nil
+        
+        super.tearDown()
+    }
+    
+    // Test connection without specifying username and password
+    func testConectionWithoutCredentials() {
+        let configuration = getVPNConfiguration()
+
+        let adapter = OpenVPNAdapter()
+        do {
+            try adapter.configure(using: configuration)
+        } catch {
+            XCTFail("Failed to configure OpenVPN adapted due to error: \(error)")
+        }
+        
+        vpnAdapterExpectation = expectation(description: "me.ss-abramchuk.openvpn-adapter.connection-w/o-credentials")
+        
+        adapter.delegate = self
+        adapter.connect()
+        
+        waitForExpectations(timeout: 10.0) { (error) in
+            adapter.disconnect()
+        }
+    }
+    
+}
+
+extension OpenVPNAdapterTests {
+    
+    func getVPNConfiguration() -> Data {
+        guard
+            let path = Bundle.current.url(forResource: vpnConfiguration, withExtension: "ovpn"),
+            let configuration = try? Data(contentsOf: path)
+        else {
+            fatalError("Failed to retrieve OpenVPN configuration")
+        }
+        
+        return configuration
+    }
+    
+}
+
+extension OpenVPNAdapterTests: OpenVPNAdapterDelegate {
+    
+    func configureTunnel(settings: NEPacketTunnelNetworkSettings, callback: @escaping (OpenVPNAdapterPacketFlow?) -> Void) {
+        callback(self)
+    }
+    
+    func handle(event: OpenVPNEvent, message: String?) {
+        
+    }
+    
+    func handle(error: Error) {
+        
+    }
+    
+}
+
+extension OpenVPNAdapterTests: OpenVPNAdapterPacketFlow {
+    
+    func readPackets(completionHandler: @escaping ([Data], [NSNumber]) -> Void) { }
+    
+    func writePackets(_ packets: [Data], withProtocols protocols: [NSNumber]) -> Bool { return true }
+    
+}