//
//  FileConfigurationTests.swift
//  PassepartoutTests-iOS
//
//  Created by Davide De Rosa on 9/5/18.
//  Copyright (c) 2018 Davide De Rosa. All rights reserved.
//
//  https://github.com/passepartoutvpn
//
//  This file is part of Passepartout.
//
//  Passepartout is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  Passepartout is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
//

import XCTest
import TunnelKit
@testable import Passepartout_iOS

class FileConfigurationTests: XCTestCase {
    override func setUp() {
        super.setUp()
        // Put setup code here. This method is called before the invocation of each test method in the class.
    }
    
    override func tearDown() {
        // Put teardown code here. This method is called after the invocation of each test method in the class.
        super.tearDown()
    }
    
    func testPIA() throws {
        let file = try TunnelKitProvider.Configuration.parsed(fromURL: url(withName: "pia-hungary"))
        XCTAssertEqual(file.hostname, "hungary.privateinternetaccess.com")
        XCTAssertEqual(file.configuration.sessionConfiguration.cipher, .aes128cbc)
        XCTAssertEqual(file.configuration.sessionConfiguration.digest, .sha1)
        XCTAssertEqual(file.configuration.endpointProtocols, [
            TunnelKitProvider.EndpointProtocol(.udp, 1198),
            TunnelKitProvider.EndpointProtocol(.tcp, 502)
        ])
    }

    func testStripped() throws {
        let lines = try TunnelKitProvider.Configuration.parsed(fromURL: url(withName: "pia-hungary"), returnsStripped: true).strippedLines!
        let stripped = lines.joined(separator: "\n")
        print(stripped)
    }
    
    func testCompression() throws {
        let base: [String] = ["<ca>", "</ca>", "remote 1.2.3.4"]
        
        XCTAssertNotNil(try TunnelKitProvider.Configuration.parsed(fromLines: base + ["comp-lzo"]).warning)
        XCTAssertNoThrow(try TunnelKitProvider.Configuration.parsed(fromLines: base + ["comp-lzo no"]))
        XCTAssertThrowsError(try TunnelKitProvider.Configuration.parsed(fromLines: base + ["comp-lzo yes"]))

        XCTAssertNoThrow(try TunnelKitProvider.Configuration.parsed(fromLines: base + ["compress"]))
        XCTAssertThrowsError(try TunnelKitProvider.Configuration.parsed(fromLines: base + ["compress lzo"]))
    }
    
    private func url(withName name: String) -> URL {
        return Bundle(for: FileConfigurationTests.self).url(forResource: name, withExtension: "ovpn")!
    }
    
}