Add --out-dir to allow setting the test output dir. (#2389)

This allows fuzzing in parallel invocations.

1 files changed, 11 insertions, 4 deletions

diff --git a/scripts/test/shared.py b/scripts/test/shared.py
index 921da1f7f..8d30ecaa0 100644
--- a/scripts/test/shared.py
+++ b/scripts/test/shared.py
@@ -58,6 +58,11 @@ def parse_args(args):
         help=('Specifies a path to the root of the Binaryen repository tree.'
               ' Default: the directory where this file check.py resides.'))
     parser.add_argument(
+        '--out-dir', dest='out_dir', default='',
+        help=('Specifies a path to the output directory for temp files, which '
+              'is also where the test runner changes directory into.',
+              ' Default:. out/test under the binaryen root.'))
+    parser.add_argument(
         '--valgrind', dest='valgrind', default='',
         help=('Specifies a path to Valgrind tool, which will be used to validate'
               ' execution if specified. (Pass --valgrind=valgrind to search in'
@@ -124,10 +129,12 @@ if not options.binaryen_root:
 
 options.binaryen_test = os.path.join(options.binaryen_root, 'test')
 
-test_out = os.path.join(options.binaryen_root, 'out', 'test')
-if not os.path.exists(test_out):
-    os.makedirs(test_out)
-os.chdir(test_out)
+if not options.out_dir:
+    options.out_dir = os.path.join(options.binaryen_root, 'out', 'test')
+
+if not os.path.exists(options.out_dir):
+    os.makedirs(options.out_dir)
+os.chdir(options.out_dir)
 
 
 # Finds the given executable 'program' in PATH.