Add examples for driver documentation

Author: Zhen

test/examples/config_connection_pool_example.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+
+# Copyright (c) 2002-2017 "Neo Technology,"
+# Network Engine for Objects in Lund AB [http://neotechnology.com]
+#
+# This file is part of Neo4j.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# tag::config-connection-pool-import[]
+from neo4j.v1 import GraphDatabase
+# end::config-connection-pool-import[]
+
+
+class ConfigConnectionPoolExample:
+    # tag::config-connection-pool[]
+    def __init__(self, uri, user, password):
+        self._driver = GraphDatabase.driver(uri, auth=(user, password),
+                                            max_connection_lifetime=30 * 60, max_connection_pool_size=50,
+                                            connection_acquisition_timeout=2 * 60)
+    # end::config-connection-pool[]
+
+    def close(self):
+        self._driver.close()
+
+    def can_connect(driver):
+        result = driver.session().run("RETURN 1")
+        return result.single()[0] == 1

test/examples/config_connection_timeout_example.py

@@ -31,3 +31,7 @@ def __init__(self, uri, user, password):
 
     def close(self):
         self._driver.close()
+
+    def can_connect(self):
+        result = self._driver.session().run("RETURN 1")
+        return result.single()[0] == 1

test/examples/config_load_balancing_strategy_example.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+
+# Copyright (c) 2002-2017 "Neo Technology,"
+# Network Engine for Objects in Lund AB [http://neotechnology.com]
+#
+# This file is part of Neo4j.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# tag::config-load-balancing-strategy-import[]
+from neo4j.v1 import GraphDatabase, LOAD_BALANCING_STRATEGY_LEAST_CONNECTED
+# end::config-load-balancing-strategy-import[]
+
+
+class ConfigLoadBalancingStrategyExample:
+    # tag::config-load-balancing-strategy[]
+    def __init__(self, uri, user, password):
+        self._driver = GraphDatabase.driver(uri, auth=(user, password), load_balancing_strategy=LOAD_BALANCING_STRATEGY_LEAST_CONNECTED)
+    # end::config-load-balancing-strategy[]
+
+    def close(self):
+        self._driver.close()
+
+    def can_connect(self):
+        result = self._driver.session().run("RETURN 1")
+        return result.single()[0] == 1

test/examples/config_max_retry_time_example.py

@@ -31,3 +31,7 @@ def __init__(self, uri, user, password):
 
     def close(self):
         self._driver.close()
+
+    def can_connect(self):
+        result = self._driver.session().run("RETURN 1")
+        return result.single()[0] == 1

test/examples/test_examples.py

@@ -52,6 +52,26 @@ def test_autocommit_transaction_example(self):
 
         self.assertTrue(self.person_count('Alice') > 0)
 
+    def test_config_connection_pool_example(self):
+        from test.examples.config_connection_pool_example import ConfigConnectionPoolExample
+        example = ConfigConnectionPoolExample(self.bolt_uri, self.user, self.password)
+        self.assertTrue(example.can_connect())
+
+    def test_connection_timeout_example(self):
+        from test.examples.config_connection_timeout_example import ConfigConnectionTimeoutExample
+        example = ConfigConnectionTimeoutExample(self.bolt_uri, self.user, self.password)
+        self.assertTrue(example.can_connect())
+
+    def test_load_balancing_strategy_example(self):
+        from test.examples.config_load_balancing_strategy_example import ConfigLoadBalancingStrategyExample
+        example = ConfigLoadBalancingStrategyExample(self.bolt_uri, self.user, self.password)
+        self.assertTrue(example.can_connect())
+
+    def test_max_retry_time_example(self):
+        from test.examples.config_max_retry_time_example import ConfigMaxRetryTimeExample
+        example = ConfigMaxRetryTimeExample(self.bolt_uri, self.user, self.password)
+        self.assertTrue(example.can_connect())
+
     def test_basic_auth_example(self):
         from test.examples.auth_example import BasicAuthExample