DevTools: [JsDocValidator] Refactor JsDoc annotation checkers

Source/devtools/scripts/jsdoc-validator/run_tests.py

+#!/usr/bin/python
+
+import hashlib
+import operator
+import os
+import shutil
+import stat
+import subprocess
+import sys
+import tempfile
+
+
+def rel_to_abs(rel_path):
+    return os.path.join(script_path, rel_path)
+
+java_exec = 'java -Xms1024m -server -XX:+TieredCompilation'
+tests_dir = 'tests'
+jar_name = 'jsdoc-validator.jar'
+script_path = os.path.dirname(os.path.abspath(__file__))
+tests_path = rel_to_abs(tests_dir)
+validator_jar_file = rel_to_abs(jar_name)
+golden_file = os.path.join(tests_path, 'golden.dat')
+
+test_files = [os.path.join(tests_path, f) for f in os.listdir(tests_path) if f.endswith('.js') and os.path.isfile(os.path.join(tests_path, f))]
+
+validator_command = "%s -jar %s %s" % (java_exec, validator_jar_file, " ".join(sorted(test_files)))
+
+
+def run_and_communicate(command, error_template):
+    proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=True)
+    (out, _) = proc.communicate()
+    if proc.returncode:
+        print >> sys.stderr, error_template % proc.returncode
+        sys.exit(proc.returncode)
+    return out
+
+
+def help():
+    print 'usage: %s [option]' % os.path.basename(__file__)
+    print 'Options:'
+    print '--generate-golden: Re-generate golden file'
+    print '--dump: Dump the test results to stdout'
+
+
+def main():
+    need_golden = False
+    need_dump = False
+    if len(sys.argv) > 1:
+        if sys.argv[1] == '--generate-golden':
+            need_golden = True
+        elif sys.argv[1] == '--dump':
+            need_dump = True
+        else:
+            help()
+            return
+
+    result = run_and_communicate(validator_command, "Error running validator: %d")
+    if need_dump:
+        print result
+        return
+
+    if need_golden:
+        with open(golden_file, 'wt') as golden:
+            golden.write(result)
+    else:
+        with open(golden_file, 'rt') as golden:
+            golden_text = golden.read()
+            if golden_text == result:
+                print 'OK'
+            else:
+                print 'ERROR: Golden output mismatch'
+
+if __name__ == '__main__':
+    main()