socket.io-client-swift/Tests/TestSocketIO/SocketSideEffectTest.swift
2020-11-07 17:06:05 -05:00

507 lines
16 KiB
Swift

//
// SocketSideEffectTest.swift
// Socket.IO-Client-Swift
//
// Created by Erik Little on 10/11/15.
//
//
import XCTest
@testable import SocketIO
import Starscream
class SocketSideEffectTest: XCTestCase {
func testInitialCurrentAck() {
XCTAssertEqual(socket.currentAck, -1)
}
func testFirstAck() {
socket.emitWithAck("test").timingOut(after: 0) {data in}
XCTAssertEqual(socket.currentAck, 0)
}
func testSecondAck() {
socket.emitWithAck("test").timingOut(after: 0) {data in}
socket.emitWithAck("test").timingOut(after: 0) {data in}
XCTAssertEqual(socket.currentAck, 1)
}
func testEmitCompletionSyntax() {
socket.emit("test", completion: {})
socket.emit("test", "thing", completion: {})
}
func testHandleAck() {
let expect = expectation(description: "handled ack")
socket.emitWithAck("test").timingOut(after: 0) {data in
XCTAssertEqual(data[0] as? String, "hello world")
expect.fulfill()
}
manager.parseEngineMessage("30[\"hello world\"]")
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleAckWithAckEmit() {
let expect = expectation(description: "handled ack")
socket.emitWithAck("test").timingOut(after: 0) {data in
XCTAssertEqual(data[0] as? String, "hello world")
self.socket.emitWithAck("test").timingOut(after: 0) {data in}
expect.fulfill()
}
manager.parseEngineMessage("30[\"hello world\"]")
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleAck2() {
let expect = expectation(description: "handled ack2")
socket.emitWithAck("test").timingOut(after: 0) {data in
XCTAssertTrue(data.count == 2, "Wrong number of ack items")
expect.fulfill()
}
manager.parseEngineMessage("61-0[{\"_placeholder\":true,\"num\":0},{\"test\":true}]")
manager.parseEngineBinaryData(Data())
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleEvent() {
let expect = expectation(description: "handled event")
socket.on("test") {data, ack in
XCTAssertEqual(data[0] as? String, "hello world")
expect.fulfill()
}
manager.parseEngineMessage("2[\"test\",\"hello world\"]")
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleStringEventWithQuotes() {
let expect = expectation(description: "handled event")
socket.on("test") {data, ack in
XCTAssertEqual(data[0] as? String, "\"hello world\"")
expect.fulfill()
}
manager.parseEngineMessage("2[\"test\",\"\\\"hello world\\\"\"]")
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleOnceEvent() {
let expect = expectation(description: "handled event")
socket.once("test") {data, ack in
XCTAssertEqual(data[0] as? String, "hello world")
XCTAssertEqual(self.socket.testHandlers.count, 0)
expect.fulfill()
}
manager.parseEngineMessage("2[\"test\",\"hello world\"]")
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleOnceClientEvent() {
let expect = expectation(description: "handled event")
socket.setTestStatus(.connecting)
socket.once(clientEvent: .connect) {data, ack in
XCTAssertEqual(self.socket.testHandlers.count, 0)
expect.fulfill()
}
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1) {
// Fake connecting
self.manager.parseEngineMessage("0/")
}
waitForExpectations(timeout: 3, handler: nil)
}
func testOffWithEvent() {
socket.on("test") {data, ack in }
socket.on("test") {data, ack in }
XCTAssertEqual(socket.testHandlers.count, 2)
socket.off("test")
XCTAssertEqual(socket.testHandlers.count, 0)
}
func testOffClientEvent() {
socket.on(clientEvent: .connect) {data, ack in }
socket.on(clientEvent: .disconnect) {data, ack in }
XCTAssertEqual(socket.testHandlers.count, 2)
socket.off(clientEvent: .disconnect)
XCTAssertEqual(socket.testHandlers.count, 1)
XCTAssertTrue(socket.testHandlers.contains(where: { $0.event == "connect" }))
}
func testOffWithId() {
let handler = socket.on("test") {data, ack in }
XCTAssertEqual(socket.testHandlers.count, 1)
socket.on("test") {data, ack in }
XCTAssertEqual(socket.testHandlers.count, 2)
socket.off(id: handler)
XCTAssertEqual(socket.testHandlers.count, 1)
}
func testHandlesErrorPacket() {
let expect = expectation(description: "Handled error")
socket.on("error") {data, ack in
if let error = data[0] as? String, error == "test error" {
expect.fulfill()
}
}
manager.parseEngineMessage("4\"test error\"")
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleBinaryEvent() {
let expect = expectation(description: "handled binary event")
socket.on("test") {data, ack in
if let dict = data[0] as? [String: Any], let data = dict["test"] as? Data {
XCTAssertEqual(data as Data, self.data)
expect.fulfill()
}
}
manager.parseEngineMessage("51-[\"test\",{\"test\":{\"_placeholder\":true,\"num\":0}}]")
manager.parseEngineBinaryData(data)
waitForExpectations(timeout: 3, handler: nil)
}
func testHandleMultipleBinaryEvent() {
let expect = expectation(description: "handled multiple binary event")
socket.on("test") {data, ack in
if let dict = data[0] as? [String: Any], let data = dict["test"] as? Data,
let data2 = dict["test2"] as? Data {
XCTAssertEqual(data as Data, self.data)
XCTAssertEqual(data2 as Data, self.data2)
expect.fulfill()
}
}
manager.parseEngineMessage("52-[\"test\",{\"test\":{\"_placeholder\":true,\"num\":0},\"test2\":{\"_placeholder\":true,\"num\":1}}]")
manager.parseEngineBinaryData(data)
manager.parseEngineBinaryData(data2)
waitForExpectations(timeout: 3, handler: nil)
}
func testChangingStatusCallsStatusChangeHandler() {
let expect = expectation(description: "The client should announce when the status changes")
let statusChange = SocketIOStatus.connecting
socket.on("statusChange") {data, ack in
guard let status = data[0] as? SocketIOStatus else {
XCTFail("Status should be one of the defined statuses")
return
}
XCTAssertEqual(status, statusChange, "The status changed should be the one set")
expect.fulfill()
}
socket.setTestStatus(statusChange)
waitForExpectations(timeout: 0.2)
}
func testOnClientEvent() {
let expect = expectation(description: "The client should call client event handlers")
let event = SocketClientEvent.disconnect
let closeReason = "testing"
socket.on(clientEvent: event) {data, ack in
guard let reason = data[0] as? String else {
XCTFail("Client should pass data for client events")
return
}
XCTAssertEqual(closeReason, reason, "The data should be what was sent to handleClientEvent")
expect.fulfill()
}
socket.handleClientEvent(event, data: [closeReason])
waitForExpectations(timeout: 0.2)
}
func testClientEventsAreBackwardsCompatible() {
let expect = expectation(description: "The client should call old style client event handlers")
let event = SocketClientEvent.disconnect
let closeReason = "testing"
socket.on("disconnect") {data, ack in
guard let reason = data[0] as? String else {
XCTFail("Client should pass data for client events")
return
}
XCTAssertEqual(closeReason, reason, "The data should be what was sent to handleClientEvent")
expect.fulfill()
}
socket.handleClientEvent(event, data: [closeReason])
waitForExpectations(timeout: 0.2)
}
func testConnectTimesOutIfNotConnected() {
let expect = expectation(description: "The client should call the timeout function")
socket = manager.socket(forNamespace: "/someNamespace")
socket.setTestStatus(.notConnected)
manager.engine = TestEngine(client: manager, url: manager.socketURL, options: nil)
socket.connect(timeoutAfter: 0.5, withHandler: {
expect.fulfill()
})
waitForExpectations(timeout: 0.8)
}
func testConnectDoesNotTimeOutIfConnected() {
let expect = expectation(description: "The client should not call the timeout function")
socket.setTestStatus(.notConnected)
manager.engine = TestEngine(client: manager, url: manager.socketURL, options: nil)
socket.on(clientEvent: .connect) {data, ack in
expect.fulfill()
}
socket.connect(timeoutAfter: 0.5, withHandler: {
XCTFail("Should not call timeout handler if status is connected")
})
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1) {
// Fake connecting
self.manager.parseEngineMessage("0/")
}
waitForExpectations(timeout: 2)
}
func testClientCallsConnectOnEngineOpen() {
let expect = expectation(description: "The client call the connect handler")
let eng = TestEngine(client: manager, url: manager.socketURL, options: nil)
eng.onConnect = {
self.socket.didConnect(toNamespace: self.socket.nsp, payload: nil)
}
manager.engine = eng
socket.setTestStatus(.notConnected)
socket.on(clientEvent: .connect) {data, ack in
expect.fulfill()
}
socket.connect(timeoutAfter: 0.5, withHandler: {
XCTFail("Should not call timeout handler if status is connected")
})
waitForExpectations(timeout: 2)
}
func testConnectIsCalledWithNamespace() {
let expect = expectation(description: "The client should not call the timeout function")
let nspString = "/swift"
socket = manager.socket(forNamespace: "/swift")
socket.setTestStatus(.notConnected)
manager.engine = TestEngine(client: manager, url: manager.socketURL, options: nil)
socket.on(clientEvent: .connect) {data, ack in
guard let nsp = data[0] as? String else {
XCTFail("Connect should be called with a namespace")
return
}
XCTAssertEqual(nspString, nsp, "It should connect with the correct namespace")
expect.fulfill()
}
socket.connect(timeoutAfter: 0.3, withHandler: {
XCTFail("Should not call timeout handler if status is connected")
})
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1) {
// Fake connecting
self.manager.parseEngineMessage("0/swift")
}
waitForExpectations(timeout: 2)
}
func testErrorInCustomSocketDataCallsErrorHandler() {
let expect = expectation(description: "The client should call the error handler for emit errors because of " +
"custom data")
socket.on(clientEvent: .error) {data, ack in
guard data.count == 3, data[0] as? String == "myEvent",
data[2] is ThrowingData.ThrowingError else {
XCTFail("Incorrect error call")
return
}
expect.fulfill()
}
socket.emit("myEvent", ThrowingData())
waitForExpectations(timeout: 0.2)
}
func testErrorInCustomSocketDataCallsErrorHandler_ack() {
let expect = expectation(description: "The client should call the error handler for emit errors because of " +
"custom data")
socket.on(clientEvent: .error) {data, ack in
guard data.count == 3, data[0] as? String == "myEvent",
data[2] is ThrowingData.ThrowingError else {
XCTFail("Incorrect error call")
return
}
expect.fulfill()
}
socket.emitWithAck("myEvent", ThrowingData()).timingOut(after: 0.8, callback: {_ in
XCTFail("Ack callback should not be called")
})
waitForExpectations(timeout: 0.2)
}
func testSettingConfigAfterInit() {
socket.setTestStatus(.notConnected)
manager.config.insert(.log(true))
XCTAssertTrue(DefaultSocketLogger.Logger.log, "It should set logging to true after creation")
manager.config = [.log(false)]
XCTAssertFalse(DefaultSocketLogger.Logger.log, "It should set logging to false after creation")
}
func testSettingConfigAfterDisconnect() {
socket.setTestStatus(.disconnected)
manager.config.insert(.log(true))
XCTAssertTrue(DefaultSocketLogger.Logger.log, "It should set logging to true after creation")
manager.config = [.log(false)]
XCTAssertFalse(DefaultSocketLogger.Logger.log, "It should set logging to false after creation")
}
func testSettingConfigAfterInitWhenConnectedDoesNotIgnoreChanges() {
manager.setTestStatus(.connected)
manager.config = [.log(true)]
XCTAssertTrue(DefaultSocketLogger.Logger.log, "It should set logging to false after creation")
}
func testClientCallsSentPingHandler() {
let expect = expectation(description: "The client should emit a ping event")
socket.on(clientEvent: .pong) {data, ack in
expect.fulfill()
}
manager.engineDidSendPong()
waitForExpectations(timeout: 0.2)
}
func testClientCallsGotPongHandler() {
let expect = expectation(description: "The client should emit a pong event")
socket.on(clientEvent: .ping) {data, ack in
expect.fulfill()
}
manager.engineDidReceivePing()
waitForExpectations(timeout: 0.2)
}
let data = "test".data(using: String.Encoding.utf8)!
let data2 = "test2".data(using: String.Encoding.utf8)!
private var manager: SocketManager!
private var socket: SocketIOClient!
override func setUp() {
super.setUp()
manager = SocketManager(socketURL: URL(string: "http://localhost/")!, config: [.log(false)])
socket = manager.defaultSocket
socket.setTestable()
}
}
struct ThrowingData : SocketData {
enum ThrowingError : Error {
case error
}
func socketRepresentation() throws -> SocketData {
throw ThrowingError.error
}
}
class TestEngine : SocketEngineSpec {
weak var client: SocketEngineClient?
private(set) var closed = false
private(set) var compress = false
private(set) var connected = false
var connectParams: [String: Any]? = nil
private(set) var cookies: [HTTPCookie]? = nil
private(set) var engineQueue = DispatchQueue.main
var extraHeaders: [String: String]? = nil
private(set) var fastUpgrade = false
private(set) var forcePolling = false
private(set) var forceWebsockets = false
private(set) var polling = false
private(set) var probing = false
private(set) var sid = ""
private(set) var socketPath = ""
private(set) var urlPolling = URL(string: "http://localhost/")!
private(set) var urlWebSocket = URL(string: "http://localhost/")!
private(set) var websocket = false
private(set) var ws: WebSocket? = nil
fileprivate var onConnect: (() -> ())?
required init(client: SocketEngineClient, url: URL, options: [String: Any]?) {
self.client = client
}
func connect() {
onConnect?()
}
func didError(reason: String) { }
func disconnect(reason: String) { }
func doFastUpgrade() { }
func flushWaitingForPostToWebSocket() { }
func parseEngineData(_ data: Data) { }
func parseEngineMessage(_ message: String) { }
func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data], completion: (() -> ())?) { }
}