Add script to parse jstests output

js/src/tests/parse_output.py

@@ -0,0 +1,54 @@
+import subprocess
+from junit_xml import TestSuite, TestCase
+
+run_tests = True
+dump_test_output = False
+
+failure_message = ""
+
+def parse_report(report):
+    res = []
+    for line in report.splitlines():
+        parsed = parse_line(line)
+        if parsed:
+            res.append(parsed)
+    return TestSuite("Jstests", res)
+
+def parse_line(line):
+    global failure_message
+
+    parts = line.split(" | ")
+    test_status = parts[0]
+
+    if test_status not in ["TEST-PASS", "TEST-KNOWN-FAIL", "TEST-UNEXPECTED-FAIL"]:
+        # Line is part of an failure message
+        failure_message += line + "\n"
+        return None
+
+    time = float(line.split(("["))[1].split(" s")[0])
+    test_case = TestCase(parts[1], elapsed_sec=time)
+    if test_status == "TEST-UNEXPECTED-FAIL":
+        test_case.add_failure_info(output=failure_message)
+        failure_message = ""
+
+    return test_case
+
+
+# Execute Jstests
+
+if run_tests:
+    result = subprocess.run(["../../../mach", "jstests", "--tinderbox"], capture_output=True)
+
+    data = result.stdout.decode("utf-8")
+
+    if dump_test_output:
+        with open("dump.txt", "w+") as f:
+            f.write(data)
+else:
+    data = open("dump.txt").read()
+
+tests = parse_report(data)
+
+with open("output.xml", "w") as f:
+    TestSuite.to_file(f, [tests])
+