✨ Add updater to project

If you want to see the source code to the updater, you can find it here:
https://github.com/nicoverbruggen/phpmon-updater

Starting with version 6.0, the code of the updater will be included
in this repository.

tests/unit/Parsers/CaskFileParserTest.swift

@@ -0,0 +1,53 @@
+//
+//  CaskFileParserTest.swift
+//  Unit Tests
+//
+//  Created by Nico Verbruggen on 04/02/2023.
+//  Copyright © 2023 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class CaskFileParserTest: XCTestCase {
+
+    // MARK: - Test Files
+    static var exampleFilePath: URL {
+        return Bundle(for: Self.self)
+            .url(forResource: "phpmon-dev", withExtension: "rb")!
+    }
+
+    func test_can_extract_fields_from_cask_file() async throws {
+        guard let caskFile = await CaskFile.from(url: CaskFileParserTest.exampleFilePath) else {
+            return XCTFail("The CaskFile could not be parsed, check the log for more info")
+        }
+
+        XCTAssertEqual(
+            caskFile.version,
+            "5.7.2_1035"
+        )
+        XCTAssertEqual(
+            caskFile.sha256,
+            "1cb147bd1b1fbd52971d90dff577465b644aee7c878f15ede57f46e8f217067a"
+        )
+        XCTAssertEqual(
+            caskFile.name,
+            "PHP Monitor DEV"
+        )
+        XCTAssertEqual(
+            caskFile.url,
+            "https://github.com/nicoverbruggen/phpmon/releases/download/v5.7.2/phpmon-dev.zip"
+        )
+    }
+
+    func test_can_extract_fields_from_remote_cask_file() async throws {
+        guard let caskFile = await CaskFile.from(url: Constants.Urls.StableBuildCaskFile) else {
+            return XCTFail("The remote CaskFile could not be parsed, check the log for more info")
+        }
+
+        XCTAssertTrue(caskFile.properties.keys.contains("version"))
+        XCTAssertTrue(caskFile.properties.keys.contains("homepage"))
+        XCTAssertTrue(caskFile.properties.keys.contains("url"))
+        XCTAssertTrue(caskFile.properties.keys.contains("appcast"))
+    }
+
+}