Support endpoint with '/' at the end.

1. Support endpoint with '/' at the end.
2. Change the doc in config.py for tests and examples.

Author: pengfei0107

examples/config.py

@@ -12,12 +12,14 @@
 #
 # The default settings below are sufficient if the Cloud Simulator has been
 # started on the endpoint, localhost:8080, which is its default. If not, the
-# parameters in this file should be changed as needed.
+# parameters in this file should be changed as needed. Please see sample config
+# options in: config_cloudsim.py, config_onprem.py and config_cloud.py, change
+# the parameters in those files, then copy the content to this file.
 #
 
 # The endpoint to use to connect to the service. This endpoint is for a Cloud
 # Simulator running on its default port (8080) on the local machine.
 endpoint = 'localhost:8080'
 
-# The server type, please don't change it.
+# The server type.
 server_type = 'cloudsim'

src/borneo/config.py

@@ -1212,7 +1212,7 @@ def create_url(endpoint, path):
 
         # Strip out any slashes if the format was protocol://host[:port]
         if host.startswith('//'):
-            host = host[2:]
+            host = host.lstrip('/')
 
         if protocol != 'http' and protocol != 'https':
             raise IllegalArgumentException(
@@ -1223,6 +1223,8 @@ def create_url(endpoint, path):
     def validate_port(endpoint, portstring):
         # Check that a port is a valid, non negative integer.
         try:
+            # Strip out any slashes after the port string.
+            portstring = portstring.rstrip('/')
             port = int(portstring)
             CheckValue.check_int_ge_zero(port, 'port')
             return port

test/config.py

@@ -13,14 +13,16 @@
 #
 # The default settings below are sufficient if the Cloud Simulator has been
 # started on the endpoint, localhost:8080, which is its default. If not, the
-# parameters in this file should be changed as needed.
+# parameters in this file should be changed as needed. Please see sample config
+# options in: config_cloudsim.py and config_onprem.py, change the parameters
+# in those files, then copy the content to this file.
 #
 
 # The endpoint to use to connect to the service. This endpoint is for a Cloud
 # Simulator running on its default port (8080) on the local machine.
 endpoint = 'localhost:8080'
 
-# The server type, please don't change it.
+# The server type.
 server_type = 'cloudsim'
 
 # Cloud Simulator version. Use None to test with the latest Cloud Simulator

test/query.py

@@ -253,8 +253,7 @@ def testQueryStatementSelectWithMaxReadKb(self):
         self.query_request.set_statement(query_statement).set_max_read_kb(
             max_read_kb)
         result = self.handle.query(self.query_request)
-        if (is_onprem() and version is not None and
-                compare_version(version, '20.2.0') == -1):
+        if is_onprem():
             records = self.check_query_result(result, num_records)
         else:
             records = self.check_query_result(result, max_read_kb + 1, True)