From 13e096945f819ae85633308994f9f0c55f1176ff Mon Sep 17 00:00:00 2001
From: Thomas Thomassen <thomthom@sketchup.com>
Date: Tue, 3 Sep 2024 15:20:55 +0200
Subject: [PATCH] Catch Ruby error while TestUp runs the unit tests and dump it
 to a log file.

---
 README.md         |  5 +++++
 src/testup/app.rb | 12 +++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b7a1f2a..28c76dc 100644
--- a/README.md
+++ b/README.md
@@ -131,6 +131,11 @@ Output: C:\Users\Thomas\SourceTree\TestUp2\tests\results.json
 # Overriding where the .log files from a test run will be saved.
 LogPath: C:\Users\Thomas\SourceTree\TestUp2\logs
 
+# Optional:
+# Path to a .log file that will be used if TestUp itself runs into any errors
+# while running the tests.
+ErrorLogPath: C:\Users\Thomas\SourceTree\TestUp2\testup_errors.log
+
 # Optional:
 # Overriding where the .run files from a test run will be saved.
 SavedRunsPath: C:\Users\Thomas\SourceTree\TestUp2\logs
diff --git a/src/testup/app.rb b/src/testup/app.rb
index b6f7302..88cc2a4 100644
--- a/src/testup/app.rb
+++ b/src/testup/app.rb
@@ -28,7 +28,17 @@ def self.process_arguments
     # @param [Hash] config
     def self.ci_run(test_suite, config = {})
       Execution.delay(1.0) do
-        API.run_suite_without_gui(test_suite, config)
+        begin
+          API.run_suite_without_gui(test_suite, config)
+        rescue Exception => error
+          # Ensure we log the error to a file so the CI system can log it.
+          if config['ErrorLogPath']
+            File.open(config['ErrorLogPath'], 'w') { |file|
+              file.puts(error.inspect)
+              file.puts(error.backtrace.join("\n"))
+            }
+          end
+        end
         self.quit unless config['KeepOpen']
       end
     end