From 47f51c8a7d73caf4fd7229634b59321e172d8b9e Mon Sep 17 00:00:00 2001
From: Alexandra Borovova <lutien@users.noreply.github.com>
Date: Fri, 13 Jan 2023 10:51:59 +0100
Subject: [PATCH] chore: forward mocha arguments through the custom runner
 (#9502)

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**What kind of change does this PR introduce?**

This is a change to a custom mocha runner to forward arguments to mocha.

**Summary**

In order to start using puppeteer custom mocha runner, the Firefox team
needs to forward some arguments to mocha through the runner to make it
compatible with our log parser.

**Does this PR introduce a breaking change?**

no
---
 tools/mochaRunner/src/main.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/tools/mochaRunner/src/main.ts b/tools/mochaRunner/src/main.ts
index 38f0d3b6..ef62fc5b 100644
--- a/tools/mochaRunner/src/main.ts
+++ b/tools/mochaRunner/src/main.ts
@@ -129,14 +129,31 @@ async function main() {
         ? statsFilename
         : path.join(tmpDir, 'output.json');
       console.log('Running', JSON.stringify(parameters), tmpFilename);
+      const reporterArgumentIndex = process.argv.indexOf('--reporter');
       const args = [
         '-u',
         path.join(__dirname, 'interface.js'),
         '-R',
-        path.join(__dirname, 'reporter.js'),
+        reporterArgumentIndex === -1
+          ? path.join(__dirname, 'reporter.js')
+          : process.argv[reporterArgumentIndex + 1] || '',
         '-O',
         'output=' + tmpFilename,
       ];
+      const retriesArgumentIndex = process.argv.indexOf('--retries');
+      const timeoutArgumentIndex = process.argv.indexOf('--timeout');
+      if (retriesArgumentIndex > -1) {
+        args.push('--retries', process.argv[retriesArgumentIndex + 1] || '');
+      }
+      if (timeoutArgumentIndex > -1) {
+        args.push('--timeout', process.argv[timeoutArgumentIndex + 1] || '');
+      }
+      if (process.argv.indexOf('--no-parallel')) {
+        args.push('--no-parallel');
+      }
+      if (process.argv.indexOf('--fullTrace')) {
+        args.push('--fullTrace');
+      }
       const spawnArgs: SpawnOptions = {
         shell: true,
         cwd: process.cwd(),