Add visibility parameters to control scope of generated extension

Tests/ResgenSwiftTests/Generate/AnalyticsConfigurationTests.swift

@@ -0,0 +1,76 @@
+//
+//  AnalyticsConfigurationTests.swift
+//  ResgenSwift
+//
+//  Created by Thibaut Schmitt on 18/07/2025.
+//
+
+import Foundation
+@testable import ResgenSwift
+import XCTest
+
+final class AnalyticsConfigurationTests: XCTestCase {
+
+    let projectDirectory = "projectDirectory/"
+    
+    func test_argsGeneration_requiredArgs() {
+        // Given
+        let testingConfiguration = AnalyticsConfiguration(
+            inputFile: "path/to/tags.yml",
+            target: "matomo firebase",
+            outputFile: "Analytics/Generated/AnalyticsManager.swift",
+            visibility: nil,
+            staticMembers: nil
+        )
+
+        // When
+        let arguments = testingConfiguration.getArguments(
+            projectDirectory: projectDirectory,
+            force: false
+        )
+                
+        // Expect
+        let expectedArguments = [
+            "projectDirectory/path/to/tags.yml",
+            "--target",
+            "matomo firebase",
+            "--output-file",
+            "projectDirectory/Analytics/Generated/AnalyticsManager.swift",
+        ]
+
+        XCTAssertEqual(arguments, expectedArguments)
+    }
+    
+    func test_argsGeneration_allArguments() {
+        // Given
+        let testingConfiguration = AnalyticsConfiguration(
+            inputFile: "path/to/tags.yml",
+            target: "matomo firebase",
+            outputFile: "Analytics/Generated/AnalyticsManager.swift",
+            visibility: "public",
+            staticMembers: false
+        )
+
+        // When
+        let arguments = testingConfiguration.getArguments(
+            projectDirectory: projectDirectory,
+            force: true
+        )
+
+        // Expect
+        let expectedArguments = [
+            "-f",
+            "projectDirectory/path/to/tags.yml",
+            "--target",
+            "matomo firebase",
+            "--output-file",
+            "projectDirectory/Analytics/Generated/AnalyticsManager.swift",
+            "--visibility",
+            "public",
+            "--static-members",
+            "false"
+        ]
+
+        XCTAssertEqual(arguments, expectedArguments)
+    }
+}