Add tests for PrinterRequestManager , remove singleton implementation in favor of view constructor arguments

SoyuzTests/PrinterRequestManagerTests.swift

@@ -0,0 +1,33 @@
+//
+//  PrinterRequestsManagerTests.swift
+//  SoyuzTests
+//
+//  Created by maddiefuzz on 2/21/23.
+//
+
+import XCTest
+import Network
+@testable import Soyuz
+
+class PrinterRequestManagerTests: XCTestCase {
+    var printerRequestManager: PrinterRequestManager?
+    
+    var testBonjourListener: NWListener?
+    
+    override func setUp() {
+        printerRequestManager = PrinterRequestManager(browser: NWBrowser(for: .bonjour(type: "_http._tcp", domain: "local."), using: .tcp))
+        
+        // Set up test bonjour server
+        //let parameters = NWParameters(tls: .none, tcp: NWListener.)
+        do {
+            testBonjourListener = try NWListener(using: .tcp, on: .http)
+            testBonjourListener!.start(queue: DispatchQueue.main)
+        } catch {
+            print("Error: \(error)")
+        }
+    }
+    
+    func testBonjourDiscoveredItemsNotNil() {
+        XCTAssertNotNil(printerRequestManager?.nwBrowserDiscoveredItems)
+    }
+}

SoyuzTests/PrinterRequestsManagerTests.swift

@@ -1,24 +0,0 @@
-//
-//  PrinterRequestsManagerTests.swift
-//  SoyuzTests
-//
-//  Created by maddiefuzz on 2/21/23.
-//
-
-import XCTest
-@testable import Soyuz
-
-class FileHandleMock: FileHandle {
-    override func write(_ data: Data) {
-        return
-    }
-}
-
-class PrinterRequestManagerTests: XCTestCase {
-    var printerRequestsManager: PrinterRequestManager?
-    
-    override func setUp() {
-        printerRequestsManager = PrinterRequestManager.shared
-    }
-    
-}