Files
swift-mqtt-dewpoint/Tests/ClientTests/AsyncClientTests.swift

117 lines
3.3 KiB
Swift
Executable File

@testable import ClientLive
import EnvVars
import Logging
import Models
import MQTTNIO
import NIO
import Psychrometrics
import XCTest
final class AsyncClientTests: XCTestCase {
static let hostname = ProcessInfo.processInfo.environment["MOSQUITTO_SERVER"] ?? "localhost"
static let logger: Logger = {
var logger = Logger(label: "AsyncClientTests")
logger.logLevel = .trace
return logger
}()
func createClient(identifier: String) -> AsyncClient {
let envVars = EnvVars(
appEnv: .testing,
host: Self.hostname,
port: "1883",
identifier: identifier,
userName: nil,
password: nil
)
return .init(envVars: envVars, logger: Self.logger)
}
func testConnectAndShutdown() async throws {
let client = createClient(identifier: "testConnectAndShutdown")
await client.connect()
await client.shutdown()
}
func testPublishingSensor() async throws {
let client = createClient(identifier: "testPublishingSensor")
await client.connect()
let topic = Topics().sensors.mixedAirSensor.dewPoint
try await client.addPublishListener(topic: topic, decoding: Temperature.self)
try await client.publishSensor(.mixed(.init(temperature: 71.123, humidity: 50.5, needsProcessed: true)))
try await client.publishSensor(.mixed(.init(temperature: 72.123, humidity: 50.5, needsProcessed: true)))
await client.shutdown()
}
func testNewSensorSyntax() async throws {
let client = createClient(identifier: "testNewSensorSyntax")
let mqtt = client.client
let receivedPublishInfo = PublishInfoContainer()
let payload = ByteBufferAllocator().buffer(string: "75.123")
let sensor = TemperatureAndHumiditySensor(location: .return)
await client.connect()
try await mqtt.subscribeToTemperature(sensor: sensor)
let listener = mqtt.createPublishListener()
Task { [receivedPublishInfo] in
for await result in listener {
switch result {
case let .failure(error):
XCTFail("\(error)")
case let .success(publish):
await receivedPublishInfo.addPublishInfo(publish)
}
}
}
try await mqtt.publish(to: sensor.topics.temperature, payload: payload, qos: .atLeastOnce)
try await Task.sleep(for: .seconds(2))
XCTAssertEqual(receivedPublishInfo.count, 1)
if let publish = receivedPublishInfo.first {
var buffer = publish.payload
let string = buffer.readString(length: buffer.readableBytes)
XCTAssertEqual(string, "75.123")
} else {
XCTFail("Did not receive any publish info.")
}
try await mqtt.disconnect()
try mqtt.syncShutdownGracefully()
}
}
// MARK: Helpers for tests, some of these should be able to be removed once the AsyncClient interface is done.
extension MQTTClient {
func subscribeToTemperature(sensor: TemperatureAndHumiditySensor) async throws {
_ = try await subscribe(to: [
.init(topicFilter: sensor.topics.temperature, qos: .atLeastOnce)
])
}
}
class PublishInfoContainer {
private var receivedPublishInfo: [MQTTPublishInfo]
init() {
self.receivedPublishInfo = []
}
func addPublishInfo(_ info: MQTTPublishInfo) async {
receivedPublishInfo.append(info)
}
var count: Int { receivedPublishInfo.count }
var first: MQTTPublishInfo? { receivedPublishInfo.first }
}