From dd508b7c4f0dd8881de07a4e8593d4fcdef9bae7 Mon Sep 17 00:00:00 2001
From: Filippo Valsorda <filippo.valsorda@gmail.com>
Date: Mon, 28 Oct 2013 18:03:26 -0400
Subject: [PATCH] [tests] don't fail on network errors

This is suboptimal, but at least this way we will need to look at the logs
only to check for network errors that happen too often, instead of
parsing a ton of lines each time to see if there is some true test failing
---
 test/helper.py        | 17 +++++++++++++++++
 test/test_download.py | 22 +++++++++++++++++-----
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/test/helper.py b/test/helper.py
index 777119ea5..d7bf7a828 100644
--- a/test/helper.py
+++ b/test/helper.py
@@ -5,9 +5,11 @@
 import os.path
 import re
 import types
+import sys
 
 import youtube_dl.extractor
 from youtube_dl import YoutubeDL
+from youtube_dl.utils import preferredencoding
 
 
 def global_setup():
@@ -33,6 +35,21 @@ def try_rm(filename):
             raise
 
 
+def report_warning(message):
+    '''
+    Print the message to stderr, it will be prefixed with 'WARNING:'
+    If stderr is a tty file the 'WARNING:' will be colored
+    '''
+    if sys.stderr.isatty() and os.name != 'nt':
+        _msg_header = u'\033[0;33mWARNING:\033[0m'
+    else:
+        _msg_header = u'WARNING:'
+    output = u'%s %s\n' % (_msg_header, message)
+    if 'b' in getattr(sys.stderr, 'mode', '') or sys.version_info[0] < 3:
+        output = output.encode(preferredencoding())
+    sys.stderr.write(output)
+
+
 class FakeYDL(YoutubeDL):
     def __init__(self, override=None):
         # Different instances of the downloader can't share the same dictionary
diff --git a/test/test_download.py b/test/test_download.py
index f136176b1..565afa1b5 100644
--- a/test/test_download.py
+++ b/test/test_download.py
@@ -6,7 +6,14 @@
 import unittest
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from test.helper import get_params, get_testcases, global_setup, try_rm, md5
+from test.helper import (
+    get_params,
+    get_testcases,
+    global_setup,
+    try_rm,
+    md5,
+    report_warning
+)
 global_setup()
 
 
@@ -92,17 +99,22 @@ def try_rm_tcs_files():
                 try_rm(tc_filename + '.info.json')
         try_rm_tcs_files()
         try:
-            for retry in range(1, RETRIES + 1):
+            try_num = 1
+            while True:
                 try:
                     ydl.download([test_case['url']])
                 except (DownloadError, ExtractorError) as err:
-                    if retry == RETRIES: raise
-
                     # Check if the exception is not a network related one
                     if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
                         raise
 
-                    print('Retrying: {0} failed tries\n\n##########\n\n'.format(retry))
+                    if try_num == RETRIES:
+                        report_warning(u'Failed due to network errors, skipping...')
+                        return
+
+                    print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
+
+                    try_num += 1
                 else:
                     break