From e7f13a2f4396dedd7e63abfa69a5139473c702fe Mon Sep 17 00:00:00 2001
From: Alex Deem <alexdeem@gmail.com>
Date: Sat, 21 Jan 2023 22:41:20 +1100
Subject: [PATCH] Fail tests if a test file fails to be parsed

---
 Tests/ScreamURITemplateTests/TestFileTests.swift | 5 ++++-
 Tests/ScreamURITemplateTests/TestModels.swift    | 4 ++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Tests/ScreamURITemplateTests/TestFileTests.swift b/Tests/ScreamURITemplateTests/TestFileTests.swift
index 22c0685..a38ac7e 100644
--- a/Tests/ScreamURITemplateTests/TestFileTests.swift
+++ b/Tests/ScreamURITemplateTests/TestFileTests.swift
@@ -80,7 +80,10 @@ class TestFileTests: XCTestCase {
             return fileTestSuite
         }
 
-        let testGroups = parseTestFile(URL: testURL)
+        guard let testGroups = parseTestFile(URL: testURL) else {
+            fileTestSuite.addTest(TestFileTests(selector: #selector(TestFileTests.testFileParseFailed)))
+            return fileTestSuite
+        }
         for group in testGroups {
             let groupTestSuite = XCTestSuite(name: "Group: \(group.name)")
             for test in group.testcases {
diff --git a/Tests/ScreamURITemplateTests/TestModels.swift b/Tests/ScreamURITemplateTests/TestModels.swift
index 37efab9..7352989 100644
--- a/Tests/ScreamURITemplateTests/TestModels.swift
+++ b/Tests/ScreamURITemplateTests/TestModels.swift
@@ -135,11 +135,11 @@ extension TestCase {
     }
 }
 
-public func parseTestFile(URL: URL) -> [TestGroup] {
+public func parseTestFile(URL: URL) -> [TestGroup]? {
     guard let testData = try? Data(contentsOf: URL),
           let testCollection = try? JSONDecoder().decode(TestFile.self, from: testData) else {
         print("Failed to decode test file \(URL)")
-        return []
+        return nil
     }
 
     return testCollection.map { testGroupName, testGroupData in