//
//  SocketSideEffectTest.swift
//  Socket.IO-Client-Swift
//
//  Created by Erik Little on 10/11/15.
//
//

import XCTest

class SocketSideEffectTest: XCTestCase {
    let data = "test".dataUsingEncoding(NSUTF8StringEncoding)!
    let data2 = "test2".dataUsingEncoding(NSUTF8StringEncoding)!
    private var socket: SocketIOClient!

    override func setUp() {
        super.setUp()
        socket = SocketIOClient(socketURL: "")
        socket.setTestable()
    }
    
    func testInitialCurrentAck() {
        XCTAssertEqual(socket.currentAck, -1)
    }
    
    func testFirstAck() {
        socket.emitWithAck("test")(timeoutAfter: 0) {data in}
        XCTAssertEqual(socket.currentAck, 0)
    }
    
    func testSecondAck() {
        socket.emitWithAck("test")(timeoutAfter: 0) {data in}
        socket.emitWithAck("test")(timeoutAfter: 0) {data in}

        XCTAssertEqual(socket.currentAck, 1)
    }
    
    func testHandleAck() {
        let expectation = expectationWithDescription("handled ack")
        socket.emitWithAck("test")(timeoutAfter: 0) {data in
            XCTAssertEqual(data[0] as? String, "hello world")
            expectation.fulfill()
        }
        
        socket.parseSocketMessage("30[\"hello world\"]")
        waitForExpectationsWithTimeout(3, handler: nil)
    }
    
    func testHandleEvent() {
        let expectation = expectationWithDescription("handled event")
        socket.on("test") {data, ack in
            XCTAssertEqual(data[0] as? String, "hello world")
            expectation.fulfill()
        }
        
        socket.parseSocketMessage("2[\"test\",\"hello world\"]")
        waitForExpectationsWithTimeout(3, handler: nil)
    }
    
    func testHandleBinaryEvent() {
        let expectation = expectationWithDescription("handled binary event")
        socket.on("test") {data, ack in
            if let dict = data[0] as? NSDictionary, data = dict["test"] as? NSData {
                XCTAssertEqual(data, self.data)
                expectation.fulfill()
            }
        }
        
        socket.parseSocketMessage("51-[\"test\",{\"test\":{\"_placeholder\":true,\"num\":0}}]")
        socket.parseBinaryData(data)
        waitForExpectationsWithTimeout(3, handler: nil)
    }
}