Possibility to protect some endpoints with basic-auth

user:passwd pair should be configured in restapi section of main
configuration file in following format:
restapi:
  auth: 'username:password'

Plus implemented some simple routing mechanisms:
GET /foo => do_GET_foo()
POST /bar => do_POST_bar()

tests/test_api.py

@@ -3,13 +3,27 @@ import unittest
 
 from patroni.api import RestApiHandler, RestApiServer
 from six import BytesIO as IO
+from six.moves import BaseHTTPServer
 from test_postgresql import psycopg2_connect
 
 
+def nop(*args, **kwargs):
+    pass
+
+
 def throws(*args, **kwargs):
     raise psycopg2.OperationalError()
 
 
+class Mock_BaseServer__is_shut_down:
+
+    def set(self):
+        pass
+
+    def clear(self):
+        pass
+
+
 class MockPostgresql:
 
     def connection(self):
@@ -37,7 +51,7 @@ class MockRequest:
 class MockRestApiServer(RestApiServer):
 
     def __init__(self, Handler, path, *args):
-        self.patroni = MockPatroni()
+        super(MockRestApiServer, self).__init__(MockPatroni(), {'listen': '127.0.0.1:8008', 'auth': 'test:test'})
         if len(args) > 0:
             self.query = args[0]
         Handler(MockRequest(path), ('0.0.0.0', 8080), self)
@@ -46,8 +60,20 @@ class MockRestApiServer(RestApiServer):
 class TestRestApiHandler(unittest.TestCase):
 
     def __init__(self, method_name='runTest'):
+        self.setUp = self.set_up
         super(TestRestApiHandler, self).__init__(method_name)
 
+    def set_up(self):
+        BaseHTTPServer.HTTPServer.__init__ = nop
+        RestApiServer._BaseServer__is_shut_down = Mock_BaseServer__is_shut_down()
+        RestApiServer._BaseServer__shutdown_request = True
+        RestApiServer.socket = 0
+
     def test_do_GET(self):
         MockRestApiServer(RestApiHandler, b'GET /')
         MockRestApiServer(RestApiHandler, b'GET /', throws)
+
+    def test_do_GET_sampleauth(self):
+        MockRestApiServer(RestApiHandler, b'GET /sampleauth')
+        MockRestApiServer(RestApiHandler, b'GET /sampleauth\nAuthorization:')
+        MockRestApiServer(RestApiHandler, b'GET /sampleauth\nAuthorization: Basic dGVzdDp0ZXN0')

tests/test_patroni.py

@@ -14,6 +14,7 @@ from patroni.etcd import Etcd
 from patroni import Patroni, main
 from patroni.zookeeper import ZooKeeper
 from six.moves import BaseHTTPServer
+from test_api import Mock_BaseServer__is_shut_down
 from test_etcd import Client, etcd_read, etcd_write
 from test_ha import true, false
 from test_postgresql import Postgresql, subprocess_call, psycopg2_connect
@@ -32,15 +33,6 @@ def time_sleep(*args):
     raise SleepException()
 
 
-class Mock_BaseServer__is_shut_down:
-
-    def set(self):
-        pass
-
-    def clear(self):
-        pass
-
-
 class TestPatroni(unittest.TestCase):
 
     def __init__(self, method_name='runTest'):