Working on async version.

Tests/ClientTests/AsyncClientTests.swift

@@ -0,0 +1,45 @@
+import XCTest
+import EnvVars
+import Logging
+import Models
+@testable import ClientLive
+import Psychrometrics
+
+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.init(
+      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()
+  }
+}