asio: initial idf port of asio library without ssl

* Original commit: espressif/esp-idf@1ef13c524c

examples/protocols/asio/chat_server/asio_chat_server_test.py

@@ -0,0 +1,56 @@
+import re
+import os
+import sys
+from socket import *
+
+
+# this is a test case write with tiny-test-fw.
+# to run test cases outside tiny-test-fw,
+# we need to set environment variable `TEST_FW_PATH`,
+# then get and insert `TEST_FW_PATH` to sys path before import FW module
+test_fw_path = os.getenv("TEST_FW_PATH")
+if test_fw_path and test_fw_path not in sys.path:
+    sys.path.insert(0, test_fw_path)
+
+import TinyFW
+import IDF
+
+
+
+
+@IDF.idf_example_test(env_tag="Example_WIFI")
+def test_examples_protocol_asio_chat_server(env, extra_data):
+    """
+    steps: |
+      1. join AP
+      2. Start server
+      3. Test connects to server and sends a test message
+      4. Test evaluates received test message from server
+    """
+    test_msg="   4ABC\n"
+    dut1 = env.get_dut("chat_server", "examples/protocols/asio/chat_server")
+    # check and log bin size
+    binary_file = os.path.join(dut1.app.binary_path, "asio_chatserver.bin")
+    bin_size = os.path.getsize(binary_file)
+    IDF.log_performance("asio_chatserver_bin_size", "{}KB".format(bin_size//1024))
+    IDF.check_performance("asio_chatserver_size", bin_size//1024)
+    # 1. start test
+    dut1.start_app()
+    # 2. get the server IP address
+    data = dut1.expect(re.compile(r" sta ip: ([^,]+),"))
+    # 3. create tcp client and connect to server
+    cli = socket(AF_INET,SOCK_STREAM)
+    cli.connect((data[0],80))
+    cli.send(test_msg)
+    data = cli.recv(1024)
+    # 4. check the message received back from the server
+    if (data == test_msg):
+        print("PASS: Received correct message {}".format(data))
+        pass
+    else:
+        print("Failure!")
+        raise ValueError('Wrong data received from asi tcp server: {} (expoected:{})'.format(data, test_msg))
+
+
+if __name__ == '__main__':
+    test_examples_protocol_asio_chat_server()