chose only 3 random-available terminal types for testing

1 files changed, 11 insertions, 4 deletions

diff --git a/blessed/tests/accessories.py b/blessed/tests/accessories.py
index 46a3972..9c06688 100644
--- a/blessed/tests/accessories.py
+++ b/blessed/tests/accessories.py
@@ -7,6 +7,7 @@ import subprocess
 import functools
 import traceback
 import termios
+import random
 import codecs
 import curses
 import sys
@@ -33,12 +34,18 @@ many_columns_params = [1, 25, 50]
 from blessed._binterms import binary_terminals
 default_all_terms = ['screen', 'vt220', 'rxvt', 'cons25', 'linux', 'ansi']
 try:
-    all_terms_params = list(set(
+    available_terms = [
         _term.split(None, 1)[0].decode('ascii') for _term in
         subprocess.Popen(["toe"], stdout=subprocess.PIPE, close_fds=True)
-        .communicate()[0].splitlines()
-    ) - (set(binary_terminals) if not os.environ.get('TEST_BINTERMS')
-         else set())) or default_all_terms
+        .communicate()[0].splitlines()]
+    if not os.environ.get('TEST_ALLTERMS'):
+        # we just pick 3 random terminal types, they're all as good as any so
+        # long as they're not in the binary_terminals list.
+        random.shuffle(available_terms)
+        available_terms = available_terms[:3]
+    all_terms_params = list(set(available_terms) - (
+        set(binary_terminals) if not os.environ.get('TEST_BINTERMS')
+        else set())) or default_all_terms
 except OSError:
     all_terms_params = default_all_terms