OVMS3-idf/examples/protocols/http_server/simple/scripts/client.py

279 lines
10 KiB
Python

#!/usr/bin/env python
#
# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
#
# 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.
from __future__ import print_function
from __future__ import unicode_literals
from builtins import str
import http.client
import argparse
try:
import Utility
except ImportError:
import sys
import os
# This environment variable is expected on the host machine
# > export TEST_FW_PATH=~/esp/esp-idf/tools/tiny-test-fw
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 Utility
def verbose_print(verbosity, *args):
if (verbosity):
Utility.console_log(''.join(str(elems) for elems in args))
def test_val(text, expected, received):
if expected != received:
Utility.console_log(" Fail!")
Utility.console_log(" [reason] " + text + ":")
Utility.console_log(" expected: " + str(expected))
Utility.console_log(" received: " + str(received))
return False
return True
def test_get_handler(ip, port, verbosity=False):
verbose_print(verbosity, "======== GET HANDLER TEST =============")
# Establish HTTP connection
verbose_print(verbosity, "Connecting to => " + ip + ":" + port)
sess = http.client.HTTPConnection(ip + ":" + port, timeout=15)
uri = "/hello?query1=value1&query2=value2&query3=value3"
# GET hello response
test_headers = {"Test-Header-1":"Test-Value-1", "Test-Header-2":"Test-Value-2"}
verbose_print(verbosity, "Sending GET to URI : ", uri)
verbose_print(verbosity, "Sending additional headers : ")
for k, v in test_headers.items():
verbose_print(verbosity, "\t", k, ": ", v)
sess.request("GET", url=uri, headers=test_headers)
resp = sess.getresponse()
resp_hdrs = resp.getheaders()
resp_data = resp.read().decode()
# Close HTTP connection
sess.close()
if not (
test_val("Status code mismatch", 200, resp.status) and
test_val("Response mismatch", "Custom-Value-1", resp.getheader("Custom-Header-1")) and
test_val("Response mismatch", "Custom-Value-2", resp.getheader("Custom-Header-2")) and
test_val("Response mismatch", "Hello World!", resp_data)
):
return False
verbose_print(verbosity, "vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv")
verbose_print(verbosity, "Server response to GET /hello")
verbose_print(verbosity, "Response Headers : ")
for k, v in resp_hdrs:
verbose_print(verbosity, "\t", k, ": ", v)
verbose_print(verbosity, "Response Data : " + resp_data)
verbose_print(verbosity, "========================================\n")
return True
def test_post_handler(ip, port, msg, verbosity=False):
verbose_print(verbosity, "======== POST HANDLER TEST ============")
# Establish HTTP connection
verbose_print(verbosity, "Connecting to => " + ip + ":" + port)
sess = http.client.HTTPConnection(ip + ":" + port, timeout=15)
# POST message to /echo and get back response
sess.request("POST", url="/echo", body=msg)
resp = sess.getresponse()
resp_data = resp.read().decode()
verbose_print(verbosity, "Server response to POST /echo (" + msg + ")")
verbose_print(verbosity, "vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv")
verbose_print(verbosity, resp_data)
verbose_print(verbosity, "========================================\n")
# Close HTTP connection
sess.close()
return test_val("Response mismatch", msg, resp_data)
def test_put_handler(ip, port, verbosity=False):
verbose_print(verbosity, "======== PUT HANDLER TEST =============")
# Establish HTTP connection
verbose_print(verbosity, "Connecting to => " + ip + ":" + port)
sess = http.client.HTTPConnection(ip + ":" + port, timeout=15)
# PUT message to /ctrl to disable /hello and /echo URI handlers
# and set 404 error handler to custom http_404_error_handler()
verbose_print(verbosity, "Disabling /hello and /echo handlers")
sess.request("PUT", url="/ctrl", body="0")
resp = sess.getresponse()
resp.read()
try:
# Send HTTP request to /hello URI
sess.request("GET", url="/hello")
resp = sess.getresponse()
resp_data = resp.read().decode()
# 404 Error must be returned from server as URI /hello is no longer available.
# But the custom error handler http_404_error_handler() will not close the
# session if the requested URI is /hello
if not test_val("Status code mismatch", 404, resp.status):
raise AssertionError
# Compare error response string with expectation
verbose_print(verbosity, "Response on GET /hello : " + resp_data)
if not test_val("Response mismatch", "/hello URI is not available", resp_data):
raise AssertionError
# Using same session for sending an HTTP request to /echo, as it is expected
# that the custom error handler http_404_error_handler() would not have closed
# the session
sess.request("POST", url="/echo", body="Some content")
resp = sess.getresponse()
resp_data = resp.read().decode()
# 404 Error must be returned from server as URI /hello is no longer available.
# The custom error handler http_404_error_handler() will close the session
# this time as the requested URI is /echo
if not test_val("Status code mismatch", 404, resp.status):
raise AssertionError
# Compare error response string with expectation
verbose_print(verbosity, "Response on POST /echo : " + resp_data)
if not test_val("Response mismatch", "/echo URI is not available", resp_data):
raise AssertionError
try:
# Using same session should fail as by now the session would have closed
sess.request("POST", url="/hello", body="Some content")
resp = sess.getresponse()
resp.read().decode()
# If control reaches this point then the socket was not closed.
# This is not expected
verbose_print(verbosity, "Socket not closed by server")
raise AssertionError
except http.client.HTTPException:
# Catch socket error as we tried to communicate with an already closed socket
pass
except http.client.HTTPException:
verbose_print(verbosity, "Socket closed by server")
return False
except AssertionError:
return False
finally:
# Close HTTP connection
sess.close()
verbose_print(verbosity, "Enabling /hello handler")
# Create new connection
sess = http.client.HTTPConnection(ip + ":" + port, timeout=15)
# PUT message to /ctrl to enable /hello URI handler
# and restore 404 error handler to default
sess.request("PUT", url="/ctrl", body="1")
resp = sess.getresponse()
resp.read()
# Close HTTP connection
sess.close()
# Create new connection
sess = http.client.HTTPConnection(ip + ":" + port, timeout=15)
try:
# Sending HTTP request to /hello should work now
sess.request("GET", url="/hello")
resp = sess.getresponse()
resp_data = resp.read().decode()
if not test_val("Status code mismatch", 200, resp.status):
raise AssertionError
verbose_print(verbosity, "Response on GET /hello : " + resp_data)
if not test_val("Response mismatch", "Hello World!", resp_data):
raise AssertionError
# 404 Error handler should have been restored to default
sess.request("GET", url="/invalid")
resp = sess.getresponse()
resp_data = resp.read().decode()
if not test_val("Status code mismatch", 404, resp.status):
raise AssertionError
verbose_print(verbosity, "Response on GET /invalid : " + resp_data)
if not test_val("Response mismatch", "This URI does not exist", resp_data):
raise AssertionError
except http.client.HTTPException:
verbose_print(verbosity, "Socket closed by server")
return False
except AssertionError:
return False
finally:
# Close HTTP connection
sess.close()
return True
def test_custom_uri_query(ip, port, query, verbosity=False):
verbose_print(verbosity, "======== GET HANDLER TEST =============")
# Establish HTTP connection
verbose_print(verbosity, "Connecting to => " + ip + ":" + port)
sess = http.client.HTTPConnection(ip + ":" + port, timeout=15)
uri = "/hello?" + query
# GET hello response
verbose_print(verbosity, "Sending GET to URI : ", uri)
sess.request("GET", url=uri, headers={})
resp = sess.getresponse()
resp_data = resp.read().decode()
verbose_print(verbosity, "vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv")
verbose_print(verbosity, "Server response to GET /hello")
verbose_print(verbosity, "Response Data : " + resp_data)
verbose_print(verbosity, "========================================\n")
# Close HTTP connection
sess.close()
return "Hello World!" == resp_data
if __name__ == '__main__':
# Configure argument parser
parser = argparse.ArgumentParser(description='Run HTTPd Test')
parser.add_argument('IP', metavar='IP', type=str, help='Server IP')
parser.add_argument('port', metavar='port', type=str, help='Server port')
parser.add_argument('msg', metavar='message', type=str, help='Message to be sent to server')
args = vars(parser.parse_args())
# Get arguments
ip = args['IP']
port = args['port']
msg = args['msg']
if not (
test_get_handler(ip, port, True) and
test_put_handler(ip, port, True) and
test_post_handler(ip, port, msg, True)
):
Utility.console_log("Failed!")