Merge #10222: [tests] test_runner - check unicode

a97ed80 [tests] test_runner - check unicode (John Newbery)

Tree-SHA512: f395297b854a967ad81eed9b822a8f33660fa2ffb9b3bd8fb3b287c32caf5792bd53faad836602f45a5e302800e04d2723d5107531f3643fbf1895e35f98d2ba

test/functional/test_runner.py

@@ -27,9 +27,17 @@ import logging
 
 # Formatting. Default colors to empty strings.
 BOLD, BLUE, RED, GREY = ("", ""), ("", ""), ("", ""), ("", "")
+try:
+    # Make sure python thinks it can write unicode to its stdout
+    "\u2713".encode("utf_8").decode(sys.stdout.encoding)
     TICK = "✓ "
     CROSS = "✖ "
     CIRCLE = "○ "
+except UnicodeDecodeError:
+    TICK = "P "
+    CROSS = "x "
+    CIRCLE = "o "
+
 if os.name == 'posix':
     # primitive formatting on supported
     # terminal via ANSI escape sequences: