Resource loader helper

Tests/ConfTests/Resource.swift

@@ -0,0 +1,37 @@
+import Foundation
+
+struct Resource {
+    let name: String
+    let type: String
+    let url: URL
+
+    init(name: String, type: String) {
+        self.name = name
+        self.type = type
+        url = Resource.resourceFolderURL.appendingPathComponent(name).appendingPathExtension(type)
+    }
+}
+
+// MARK: - Content -
+extension Resource {
+    func data() throws -> Data { try Data(contentsOf: url) }
+    func string() throws -> String { try String(contentsOf: url, encoding: .utf8) }
+}
+
+// MARK: - Path helpers -
+extension Resource {
+    //  expected folder structure
+    // <Some folder>
+    //  - <Resources>
+    //      - <resource files>
+    //  - <Some test source folder>
+    //      - <test case files>
+    //      - <this file>
+    static let resourceFolderURL = testsFolderURL
+        .deletingLastPathComponent()
+        .appendingPathComponent(resourceFolder, isDirectory: true)
+        .standardized
+    static let testsFolderURL = sourceFileURL.deletingLastPathComponent()
+    private static let resourceFolder = "Resources"
+    private static let sourceFileURL = URL(fileURLWithPath: #file, isDirectory: false)
+}