test-url: skip test when ssl module is unavailable

tests/test-url.py

@@ -1,41 +1,46 b''
 #!/usr/bin/env python
+import sys
+try:
+    import ssl
+except ImportError:
+    sys.exit(80)
 
 def check(a, b):
     if a != b:
         print (a, b)
 
 from mercurial.url import _verifycert
 
 # Test non-wildcard certificates        
 check(_verifycert({'subject': ((('commonName', 'example.com'),),)}, 'example.com'),
     None)
 check(_verifycert({'subject': ((('commonName', 'example.com'),),)}, 'www.example.com'),
     'certificate is for example.com')
 check(_verifycert({'subject': ((('commonName', 'www.example.com'),),)}, 'example.com'),
     'certificate is for www.example.com')
 
 # Test wildcard certificates
 check(_verifycert({'subject': ((('commonName', '*.example.com'),),)}, 'www.example.com'),
     None)
 check(_verifycert({'subject': ((('commonName', '*.example.com'),),)}, 'example.com'),
     'certificate is for *.example.com')
 check(_verifycert({'subject': ((('commonName', '*.example.com'),),)}, 'w.w.example.com'),
     'certificate is for *.example.com')
 
 # Avoid some pitfalls
 check(_verifycert({'subject': ((('commonName', '*.foo'),),)}, 'foo'),
     'certificate is for *.foo')
 check(_verifycert({'subject': ((('commonName', '*o'),),)}, 'foo'),
     'certificate is for *o')
 
 import time
 lastyear = time.gmtime().tm_year - 1
 nextyear = time.gmtime().tm_year + 1
 check(_verifycert({'notAfter': 'May  9 00:00:00 %s GMT' % lastyear}, 'example.com'),
     'certificate expired May  9 00:00:00 %s GMT' % lastyear)
 check(_verifycert({'notBefore': 'May  9 00:00:00 %s GMT' % nextyear}, 'example.com'),
     'certificate not valid before May  9 00:00:00 %s GMT' % nextyear)
 check(_verifycert({'notAfter': 'Sep 29 15:29:48 %s GMT' % nextyear, 'subject': ()}, 'example.com'),
     'no commonName found in certificate')
 check(_verifycert(None, 'example.com'),
     'no certificate received')