Update tooling script for detecting deadlocked tests.

Author: viferga

tools/find-deadlock-tests.js

@@ -0,0 +1,36 @@
+#!/usr/bin/env node
+'use strict';
+
+/* This script gets the output of ctest and returns
+ * the non-finished tests or the failed ones, useful
+ * for detecting deadlocks. Use it like:
+ * $ node find-deadlock-tests.js ctest_output_file.txt
+ */
+
+const { readFileSync } = require('fs');
+
+if (!process.argv[2]) {
+    console.error('No file specified');
+    process.exit(1);
+}
+
+const file = readFileSync(process.argv[2]);
+
+if (!file) {
+    console.error('Failed to read the file');
+    process.exit(2);
+}
+
+const tests = file.toString().split('\n').reduce((tests, line) => {
+    const splitted = line.split(' ').filter(element => element);
+    if (splitted[0] === 'Start') {
+        tests.start.push(splitted[2]);
+    } else if (splitted[5] === 'Passed') {
+        tests.finish.push(splitted[3]);
+    }
+    return tests;
+}, { start: [], finish: [] });
+
+const deadlock = tests.start.filter(x => !tests.finish.includes(x));
+
+console.log(deadlock);