👌 Read configuration from JSON file

This allows us to alter the configuration prior to launching the app,
which allows for additional flexibility during testing.

tests/Shared/Utility.swift

@@ -0,0 +1,28 @@
+//
+//  Utility.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 14/02/2021.
+//  Copyright © 2022 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class Utility {
+
+    public static func copyToTemporaryFile(resourceName: String, fileExtension: String) -> URL? {
+        if let bundleURL = Bundle(for: Self.self).url(forResource: resourceName, withExtension: fileExtension) {
+            let tempDirectoryURL = NSURL.fileURL(withPath: NSTemporaryDirectory(), isDirectory: true)
+            let targetURL = tempDirectoryURL.appendingPathComponent("\(UUID().uuidString).\(fileExtension)")
+
+            do {
+                try FileManager.default.copyItem(at: bundleURL, to: targetURL)
+                return targetURL
+            } catch let error {
+                Log.err("Unable to copy file: \(error)")
+            }
+        }
+
+        return nil
+    }
+}