Use 127.0.0.1 and port 0 in more places

src/ZEO/tests/ConnectionTests.py

@@ -84,7 +84,7 @@ class CommonSetupTearDown(StorageTestBase):
         self.file = 'storage_conf'
         self._servers = []
         self.caches = []
-        self.addr = [('localhost', 0)]
+        self.addr = [('127.0.0.1', 0)]
         self.startServer()
 
     def tearDown(self):
@@ -127,7 +127,7 @@ class CommonSetupTearDown(StorageTestBase):
         self.addr.append(self._getAddr())
 
     def _getAddr(self):
-        return 'localhost', forker.get_port(self)
+        return '127.0.0.1', forker.get_port(self)
 
     def getConfig(self, path, create, read_only):
         raise NotImplementedError
@@ -966,7 +966,7 @@ class TimeoutTests(CommonSetupTearDown):
             self.assertRaises(ClientDisconnected, storage.tpc_finish, txn)
 
         # Make sure it's logged as CRITICAL
-        for line in open("server-0.log"):
+        for line in open("server.log"):
             if (('Transaction timeout after' in line) and
                 ('CRITICAL ZEO.StorageServer' in line)
                 ):

src/ZEO/tests/client-config.test

@@ -18,7 +18,7 @@ The simplest client configuration specified a server address:
 
     >>> storage.getName(), storage.__class__.__name__
     ... # doctest: +ELLIPSIS
-    ("[('localhost', ...)] (connected)", 'ClientStorage')
+    ("[('127.0.0.1', ...)] (connected)", 'ClientStorage')
 
     >>> storage.blob_dir
     >>> storage._storage

src/ZEO/tests/forker.py

@@ -37,7 +37,7 @@ class ZEOConfig:
         if isinstance(addr, str):
             self.logpath = addr+'.log'
         else:
-            self.logpath = 'server-%s.log' % addr[1]
+            self.logpath = 'server.log'
             addr = '%s:%s' % addr
         self.address = addr
         self.read_only = None
@@ -195,10 +195,10 @@ def start_zeo_server(storage_conf=None, zeo_conf=None, port=None, keep=False,
 
     if zeo_conf is None or isinstance(zeo_conf, dict):
         if port is None:
-            raise AssertionError("The port wasn't specified")
+            port = 0
 
         if isinstance(port, int):
-            addr = 'localhost', port
+            addr = '127.0.0.1', port
         else:
             addr = port
 
@@ -256,7 +256,7 @@ else:
 def shutdown_zeo_server(stop):
     stop()
 
-def get_port(test=None):
+def get_port(ignored=None):
     """Return a port that is not in use.
 
     Checks if a port is in use by trying to connect to it.  Assumes it
@@ -267,23 +267,20 @@ def get_port(test=None):
     Raises RuntimeError after 10 tries.
     """
 
-    if test is not None:
-        return get_port2(test)
-
     for i in range(10):
         port = random.randrange(20000, 30000)
         s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         s1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         try:
             try:
-                s.connect(('localhost', port))
+                s.connect(('127.0.0.1', port))
             except socket.error:
                 pass  # Perhaps we should check value of error too.
             else:
                 continue
 
             try:
-                s1.connect(('localhost', port+1))
+                s1.connect(('127.0.0.1', port+1))
             except socket.error:
                 pass  # Perhaps we should check value of error too.
             else:
@@ -296,35 +293,11 @@ def get_port(test=None):
             s1.close()
     raise RuntimeError("Can't find port")
 
-def get_port2(test):
-    for i in range(10):
-        while 1:
-            port = random.randrange(20000, 30000)
-            if port%3 == 0:
-                break
-
-        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        try:
-            s.bind(('localhost', port+2))
-        except socket.error as e:
-            if e.args[0] != errno.EADDRINUSE:
-                raise
-            s.close()
-            continue
-
-        if not (can_connect(port) or can_connect(port+1)):
-            zope.testing.setupstack.register(test, s.close)
-            return port
-
-        s.close()
-
-    raise RuntimeError("Can't find port")
-
 def can_connect(port):
     c = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     try:
         try:
-            c.connect(('localhost', port))
+            c.connect(('127.0.0.1', port))
         except socket.error:
             return False  # Perhaps we should check value of error too.
         else:
@@ -346,7 +319,7 @@ def setUp(test):
         """
         if port is None:
             if addr is None:
-                port = get_port2(test)
+                port = 0
             else:
                 port = addr[1]
         elif addr is not None:
@@ -367,9 +340,6 @@ def setUp(test):
 
     test.globs['start_server'] = start_server
 
-    def get_port():
-        return get_port2(test)
-
     test.globs['get_port'] = get_port
 
     def stop_server(stop):

src/ZEO/tests/testZEO.py

@@ -1025,7 +1025,7 @@ def dont_log_poskeyerrors_on_server():
 
     >>> cs.close()
     >>> stop_server(admin)
-    >>> with open('server-%s.log' % addr[1]) as f:
+    >>> with open('server.log') as f:
     ...     'POSKeyError' in f.read()
     False
     """
@@ -1199,7 +1199,7 @@ constructor.
     >>> db.close()
     >>> @wait_until
     ... def check_for_test_label_1():
-    ...    with open('server-%s.log' % addr[1]) as f:
+    ...    with open('server.log') as f:
     ...        for line in f:
     ...            if 'test-label-1' in line:
     ...                print(line.split()[1:4])
@@ -1220,8 +1220,7 @@ You can specify the client label via a configuration file as well:
     >>> db.close()
     >>> @wait_until
     ... def check_for_test_label_2():
-    ...    with open('server-%s.log' % addr[1]) as f:
-    ...        for line in open('server-%s.log' % addr[1]):
+    ...     for line in open('server.log'):
     ...         if 'test-label-2' in line:
     ...             print(line.split()[1:4])
     ...             return True
@@ -1520,7 +1519,6 @@ class ServerManagingClientStorage(ClientStorage):
         else:
             server_blob_dir = 'server-'+blob_dir
         self.globs = {}
-        port = forker.get_port2(self)
         addr, stop = forker.start_zeo_server(
             """
             <blobstorage>
@@ -1531,7 +1529,6 @@ class ServerManagingClientStorage(ClientStorage):
                 </filestorage>
             </blobstorage>
             """ % (server_blob_dir, name+'.fs', extrafsoptions),
-            port=port,
             )
         zope.testing.setupstack.register(self, stop)
         if shared:

src/ZEO/tests/testssl.py

@@ -298,7 +298,7 @@ def ssl_client(**ssl_settings):
         """%import ZEO
 
         <clientstorage>
-          server localhost:0
+          server 127.0.0.1:0
           {}
         </clientstorage>
         """.format(ssl_conf(**ssl_settings))
@@ -309,7 +309,7 @@ def create_server(**ssl_settings):
         f.write(
             """
             <zeo>
-              address localhost:0
+              address 127.0.0.1:0
               {}
             </zeo>
             <mappingstorage>