Add unique capture group tests

Sources/XcbeautifyLib/Parser.swift

@@ -133,6 +133,12 @@ package final class Parser {
         NonPCHClangCommandCaptureGroup.self,
     ]
 
+    #if DEBUG
+    func __for_test__captureGroupTypes() -> [any CaptureGroup.Type] {
+        captureGroupTypes
+    }
+    #endif
+
     // MARK: - Init
 
     package init() { }

Tests/XcbeautifyLibTests/UniqueCaptureGroupTests.swift

@@ -0,0 +1,42 @@
+//
+//  UniqueCaptureGroupTests.swift
+//  xcbeautify
+//
+//  Created by Charles Pisciotta on 1/22/25.
+//
+
+import XCTest
+@testable import XcbeautifyLib
+
+final class UniqueCaptureGroupTests: XCTestCase {
+
+    let captureGroupTypes = Parser().__for_test__captureGroupTypes()
+
+    func testUniqueCaptureGroups() throws {
+        let url = try XCTUnwrap(Bundle.module.url(forResource: "clean_build_xcode_15_1", withExtension: "txt"))
+
+        var buildLog: [String] = try String(contentsOf: url)
+            .components(separatedBy: .newlines)
+
+        while !buildLog.isEmpty {
+            let line = buildLog.removeFirst()
+
+            let capturedTypes = captureGroupTypes.filter { type in
+                guard let groups = type.regex.captureGroups(for: line) else { return false }
+                XCTAssertNotNil(type.init(groups: groups))
+                return true
+            }
+
+            XCTAssertLessThanOrEqual(
+                capturedTypes.count,
+                1,
+                """
+                Failed to uniquely parse xcodebuild output.
+                Line: \(line)
+                Captured Types: \(ListFormatter.localizedString(byJoining: capturedTypes.map(String.init(describing:))))
+                """
+            )
+        }
+    }
+
+}