examples: Add esp-ssl example tests server/client

Closes IDF-1156

examples/protocols/openssl_server/example_test.py

@@ -0,0 +1,47 @@
+from __future__ import print_function, unicode_literals
+
+import os
+import re
+import socket
+import ssl
+
+import ttfw_idf
+
+
+def _path(f):
+    return os.path.join(os.path.dirname(os.path.realpath(__file__)),f)
+
+
+@ttfw_idf.idf_example_test(env_tag='Example_WIFI')
+def test_example_protocol_openssl_server(env, extra_data):
+    """
+     steps:
+       1. join AP
+       2. connect to uri "xxxx.xxxx.xxxx.xxxx:port"
+       3. send data
+    """
+    dut1 = env.get_dut('openssl_server', 'examples/protocols/openssl_server', dut_class=ttfw_idf.ESP32DUT)
+    # check and log bin size
+    binary_file = os.path.join(dut1.app.binary_path, 'openssl_server.bin')
+    bin_size = os.path.getsize(binary_file)
+    ttfw_idf.log_performance('openssl_server_bin_size', '{}KB'.format(bin_size // 1024))
+    # start test
+    dut1.start_app()
+    ip = dut1.expect(re.compile(r' IPv4 address: ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)'), timeout=30)[0]
+    port = dut1.expect(re.compile(r' SSL server socket listen on ([0-9]+)'), timeout=30)[0]
+    # create socket
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.settimeout(10)
+    addr = (ip, int(port))
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
+    # wrap socket
+    wrappedSocket = ssl.wrap_socket(sock, ca_certs=_path('server_certs/ca.crt'), cert_reqs=ssl.CERT_REQUIRED)
+    # connect and send data
+    wrappedSocket.connect(addr)
+    wrappedSocket.send('Some Data'.encode())
+    # close socket connection
+    wrappedSocket.close()
+
+
+if __name__ == '__main__':
+    test_example_protocol_openssl_server()