SNOW-27732: added test case for set_proxies

Author: smtakeda

test/test_unit_proxies.py

@@ -0,0 +1,26 @@
+# encoding=utf-8
+# !/usr/bin/env python
+#
+# Copyright (c) 2012-2017 Snowflake Computing Inc. All right reserved.
+#
+
+
+def test_set_proxies():
+    from snowflake.connector.ssl_wrap_socket import set_proxies
+
+    assert set_proxies('proxyhost', '8080') == {
+        'http': 'http://proxyhost:8080',
+        'https': 'http://proxyhost:8080',
+    }
+    assert set_proxies('http://proxyhost', '8080') == {
+        'http': 'http://proxyhost:8080',
+        'https': 'http://proxyhost:8080',
+    }
+    assert set_proxies('http://proxyhost', '8080', 'testuser', 'testpass') == {
+        'http': 'http://testuser:testpass@proxyhost:8080',
+        'https': 'http://testuser:testpass@proxyhost:8080',
+    }
+    assert set_proxies('proxyhost', '8080', 'testuser', 'testpass') == {
+        'http': 'http://testuser:testpass@proxyhost:8080',
+        'https': 'http://testuser:testpass@proxyhost:8080',
+    }