# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD # SPDX-License-Identifier: Unlicense OR CC0-1.0 import http.server import multiprocessing import os import random import socket import ssl import struct import subprocess from typing import Callable import pexpect import pytest from pytest_embedded import Dut from RangeHTTPServer import RangeRequestHandler server_file = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'test_certs/server_cert.pem') key_file = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'test_certs/server_key.pem') def get_my_ip() -> str: s1 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s1.connect(('8.8.8.8', 80)) my_ip = '' my_ip = s1.getsockname()[0] s1.close() return my_ip def get_server_status(host_ip: str, port: int) -> bool: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server_status = sock.connect_ex((host_ip, port)) sock.close() if server_status == 0: return True return False def https_request_handler() -> Callable[...,http.server.BaseHTTPRequestHandler]: """ Returns a request handler class that handles broken pipe exception """ class RequestHandler(RangeRequestHandler): def finish(self) -> None: try: if not self.wfile.closed: self.wfile.flush() self.wfile.close() except socket.error: pass self.rfile.close() def handle(self) -> None: try: RangeRequestHandler.handle(self) except socket.error: pass return RequestHandler def start_https_server(ota_image_dir: str, server_ip: str, server_port: int) -> None: os.chdir(ota_image_dir) requestHandler = https_request_handler() httpd = http.server.HTTPServer((server_ip, server_port), requestHandler) httpd.socket = ssl.wrap_socket(httpd.socket, keyfile=key_file, certfile=server_file, server_side=True) httpd.serve_forever() def start_chunked_server(ota_image_dir: str, server_port: int) -> subprocess.Popen: os.chdir(ota_image_dir) chunked_server = subprocess.Popen(['openssl', 's_server', '-WWW', '-key', key_file, '-cert', server_file, '-port', str(server_port)]) return chunked_server def redirect_handler_factory(url: str) -> Callable[...,http.server.BaseHTTPRequestHandler]: """ Returns a request handler class that redirects to supplied `url` """ class RedirectHandler(http.server.SimpleHTTPRequestHandler): def do_GET(self) -> None: print('Sending resp, URL: ' + url) self.send_response(301) self.send_header('Location', url) self.end_headers() def handle(self) -> None: try: http.server.BaseHTTPRequestHandler.handle(self) except socket.error: pass return RedirectHandler def start_redirect_server(ota_image_dir: str, server_ip: str, server_port: int, redirection_port: int) -> None: os.chdir(ota_image_dir) redirectHandler = redirect_handler_factory('https://' + server_ip + ':' + str(redirection_port) + '/advanced_https_ota.bin') httpd = http.server.HTTPServer((server_ip, server_port), redirectHandler) httpd.socket = ssl.wrap_socket(httpd.socket, keyfile=key_file, certfile=server_file, server_side=True) httpd.serve_forever() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example(dut: Dut) -> None: """ This is a positive test case, which downloads complete binary file multiple number of times. Number of iterations can be specified in variable iterations. steps: | 1. join AP 2. Fetch OTA image over HTTPS 3. Reboot with the new OTA image """ # Number of iterations to validate OTA iterations = 3 server_port = 8001 bin_name = 'advanced_https_ota.bin' # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() for i in range(iterations): dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name) thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_truncated_bin(dut: Dut) -> None: """ Working of OTA if binary file is truncated is validated in this test case. Application should return with error message in this case. steps: | 1. join AP 2. Generate truncated binary file 3. Fetch OTA image over HTTPS 4. Check working of code if bin is truncated """ server_port = 8001 # Original binary file generated after compilation bin_name = 'advanced_https_ota.bin' # Truncated binary file to be generated from original binary file truncated_bin_name = 'truncated.bin' # Size of truncated file to be grnerated. This value can range from 288 bytes (Image header size) to size of original binary file # truncated_bin_size is set to 64000 to reduce consumed by the test case truncated_bin_size = 64000 binary_file = os.path.join(dut.app.binary_path, bin_name) with open(binary_file, 'rb+') as f: with open(os.path.join(dut.app.binary_path, truncated_bin_name), 'wb+') as fo: fo.write(f.read(truncated_bin_size)) binary_file = os.path.join(dut.app.binary_path, truncated_bin_name) # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name) dut.expect('Image validation failed, image is corrupted', timeout=30) try: os.remove(binary_file) except OSError: pass thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_truncated_header(dut: Dut) -> None: """ Working of OTA if headers of binary file are truncated is vaildated in this test case. Application should return with error message in this case. steps: | 1. join AP 2. Generate binary file with truncated headers 3. Fetch OTA image over HTTPS 4. Check working of code if headers are not sent completely """ server_port = 8001 # Original binary file generated after compilation bin_name = 'advanced_https_ota.bin' # Truncated binary file to be generated from original binary file truncated_bin_name = 'truncated_header.bin' # Size of truncated file to be generated. This value should be less than 288 bytes (Image header size) truncated_bin_size = 180 # check and log bin size binary_file = os.path.join(dut.app.binary_path, bin_name) with open(binary_file, 'rb+') as f: with open(os.path.join(dut.app.binary_path, truncated_bin_name), 'wb+') as fo: fo.write(f.read(truncated_bin_size)) binary_file = os.path.join(dut.app.binary_path, truncated_bin_name) # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name) dut.expect('advanced_https_ota_example: esp_https_ota_read_img_desc failed', timeout=30) try: os.remove(binary_file) except OSError: pass thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_random(dut: Dut) -> None: """ Working of OTA if random data is added in binary file are validated in this test case. Magic byte verification should fail in this case. steps: | 1. join AP 2. Generate random binary image 3. Fetch OTA image over HTTPS 4. Check working of code for random binary file """ server_port = 8001 # Random binary file to be generated random_bin_name = 'random.bin' # Size of random binary file. 32000 is choosen, to reduce the time required to run the test-case random_bin_size = 32000 # check and log bin size binary_file = os.path.join(dut.app.binary_path, random_bin_name) with open(binary_file, 'wb+') as fo: # First byte of binary file is always set to zero. If first byte is generated randomly, # in some cases it may generate 0xE9 which will result in failure of testcase. fo.write(struct.pack('B', 0)) for i in range(random_bin_size - 1): fo.write(struct.pack('B', random.randrange(0,255,1))) # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + random_bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + random_bin_name) dut.expect(r'esp_https_ota: Incorrect app descriptor magic', timeout=10) try: os.remove(binary_file) except OSError: pass thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_invalid_chip_id(dut: Dut) -> None: """ Working of OTA if binary file have invalid chip id is validated in this test case. Chip id verification should fail in this case. steps: | 1. join AP 2. Generate binary image with invalid chip id 3. Fetch OTA image over HTTPS 4. Check working of code for random binary file """ server_port = 8001 bin_name = 'advanced_https_ota.bin' # Random binary file to be generated random_bin_name = 'random.bin' random_binary_file = os.path.join(dut.app.binary_path, random_bin_name) # Size of random binary file. 2000 is choosen, to reduce the time required to run the test-case random_bin_size = 2000 binary_file = os.path.join(dut.app.binary_path, bin_name) with open(binary_file, 'rb+') as f: data = list(f.read(random_bin_size)) # Changing Chip id data[13] = 0xfe with open(random_binary_file, 'wb+') as fo: fo.write(bytearray(data)) # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + random_bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + random_bin_name) dut.expect(r'esp_https_ota: Mismatch chip id, expected 0, found \d', timeout=10) try: os.remove(random_binary_file) except OSError: pass thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_chunked(dut: Dut) -> None: """ This is a positive test case, which downloads complete binary file multiple number of times. Number of iterations can be specified in variable iterations. steps: | 1. join AP 2. Fetch OTA image over HTTPS 3. Reboot with the new OTA image """ # File to be downloaded. This file is generated after compilation bin_name = 'advanced_https_ota.bin' # start test host_ip = get_my_ip() chunked_server = start_chunked_server(dut.app.binary_path, 8070) dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':8070/' + bin_name)) dut.write('https://' + host_ip + ':8070/' + bin_name) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect('Starting Advanced OTA example', timeout=30) chunked_server.kill() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_redirect_url(dut: Dut) -> None: """ This is a positive test case, which starts a server and a redirection server. Redirection server redirects http_request to different port Number of iterations can be specified in variable iterations. steps: | 1. join AP 2. Fetch OTA image over HTTPS 3. Reboot with the new OTA image """ server_port = 8001 # Port to which the request should be redirected redirection_server_port = 8081 redirection_server_port1 = 8082 # File to be downloaded. This file is generated after compilation bin_name = 'advanced_https_ota.bin' # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() thread2 = multiprocessing.Process(target=start_redirect_server, args=(dut.app.binary_path, host_ip, redirection_server_port, redirection_server_port1)) thread2.daemon = True thread2.start() thread3 = multiprocessing.Process(target=start_redirect_server, args=(dut.app.binary_path, host_ip, redirection_server_port1, server_port)) thread3.daemon = True thread3.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() thread2.terminate() thread3.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(redirection_server_port) + '/' + bin_name)) dut.write('https://' + host_ip + ':' + str(redirection_server_port) + '/' + bin_name) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect('Starting Advanced OTA example', timeout=30) thread1.terminate() thread2.terminate() thread3.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_flash_8m @pytest.mark.parametrize('config', ['anti_rollback',], indirect=True) @pytest.mark.parametrize('skip_autoflash', ['y'], indirect=True) def test_examples_protocol_advanced_https_ota_example_anti_rollback(dut: Dut) -> None: """ Working of OTA when anti_rollback is enabled and security version of new image is less than current one. Application should return with error message in this case. steps: | 1. join AP 2. Generate binary file with lower security version 3. Fetch OTA image over HTTPS 4. Check working of anti_rollback feature """ dut.serial.erase_flash() dut.serial.flash() server_port = 8001 # Original binary file generated after compilation bin_name = 'advanced_https_ota.bin' # Modified firmware image to lower security version in its header. This is to enable negative test case anti_rollback_bin_name = 'advanced_https_ota_lower_sec_version.bin' # check and log bin size binary_file = os.path.join(dut.app.binary_path, bin_name) file_size = os.path.getsize(binary_file) with open(binary_file, 'rb+') as f: with open(os.path.join(dut.app.binary_path, anti_rollback_bin_name), 'wb+') as fo: fo.write(f.read(file_size)) # Change security_version to 0 for negative test case fo.seek(36) fo.write(b'\x00') binary_file = os.path.join(dut.app.binary_path, anti_rollback_bin_name) # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() # Positive Case dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) # Use originally generated image with secure_version=1 print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) dut.expect(r'App is valid, rollback cancelled successfully', timeout=30) # Negative Case dut.expect('Starting Advanced OTA example', timeout=30) # Use modified image with secure_version=0 print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + anti_rollback_bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + anti_rollback_bin_name) dut.expect('New firmware security version is less than eFuse programmed, 0 < 1', timeout=30) try: os.remove(binary_file) except OSError: pass thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota @pytest.mark.parametrize('config', ['partial_download',], indirect=True) def test_examples_protocol_advanced_https_ota_example_partial_request(dut: Dut) -> None: """ This is a positive test case, to test OTA workflow with Range HTTP header. steps: | 1. join AP 2. Fetch OTA image over HTTPS 3. Reboot with the new OTA image """ server_port = 8001 # Size of partial HTTP request request_size = 16384 # File to be downloaded. This file is generated after compilation bin_name = 'advanced_https_ota.bin' binary_file = os.path.join(dut.app.binary_path, bin_name) bin_size = os.path.getsize(binary_file) http_requests = int((bin_size / request_size) - 1) # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: print('ENV_TEST_FAILURE: Cannot connect to AP') thread1.terminate() raise dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)) dut.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name) for _ in range(http_requests): dut.expect('Connection closed', timeout=60) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect('Starting Advanced OTA example', timeout=30) thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.wifi_ota @pytest.mark.parametrize('config', ['nimble',], indirect=True) def test_examples_protocol_advanced_https_ota_example_nimble_gatts(dut: Dut) -> None: """ Run an OTA image update while a BLE GATT Server is running in background. This GATT server will be using NimBLE Host stack. steps: | 1. join AP 2. Run BLE advertise and then GATT server. 3. Fetch OTA image over HTTPS 4. Reboot with the new OTA image """ server_port = 8001 # File to be downloaded. This file is generated after compilation bin_name = 'advanced_https_ota.bin' # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' sta ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)) print('Started GAP advertising.') dut.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect('Starting Advanced OTA example', timeout=30) thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.wifi_ota @pytest.mark.parametrize('config', ['bluedroid',], indirect=True) def test_examples_protocol_advanced_https_ota_example_bluedroid_gatts(dut: Dut) -> None: """ Run an OTA image update while a BLE GATT Server is running in background. This GATT server will be using Bluedroid Host stack. steps: | 1. join AP 2. Run BLE advertise and then GATT server. 3. Fetch OTA image over HTTPS 4. Reboot with the new OTA image """ server_port = 8001 # File to be downloaded. This file is generated after compilation bin_name = 'advanced_https_ota.bin' # start test host_ip = get_my_ip() if (get_server_status(host_ip, server_port) is False): thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, host_ip, server_port)) thread1.daemon = True thread1.start() dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' sta ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: thread1.terminate() raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)) dut.expect('Started advertising.', timeout=30) print('Started GAP advertising.') dut.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect('Starting Advanced OTA example', timeout=30) thread1.terminate() @pytest.mark.esp32 @pytest.mark.esp32c3 @pytest.mark.esp32s2 @pytest.mark.esp32s3 @pytest.mark.ethernet_ota def test_examples_protocol_advanced_https_ota_example_openssl_aligned_bin(dut: Dut) -> None: """ This is a test case for esp_http_client_read with binary size multiple of 289 bytes steps: | 1. join AP 2. Fetch OTA image over HTTPS 3. Reboot with the new OTA image """ # Original binary file generated after compilation bin_name = 'advanced_https_ota.bin' # Binary file aligned to DEFAULT_OTA_BUF_SIZE(289 bytes) boundary aligned_bin_name = 'aligned.bin' # check and log bin size binary_file = os.path.join(dut.app.binary_path, bin_name) # Original binary size bin_size = os.path.getsize(binary_file) # Dummy data required to align binary size to 289 bytes boundary dummy_data_size = 289 - (bin_size % 289) with open(binary_file, 'rb+') as f: with open(os.path.join(dut.app.binary_path, aligned_bin_name), 'wb+') as fo: fo.write(f.read(bin_size)) for _ in range(dummy_data_size): fo.write(struct.pack('B', random.randrange(0,255,1))) # start test host_ip = get_my_ip() chunked_server = start_chunked_server(dut.app.binary_path, 8070) dut.expect('Loaded app from partition at offset', timeout=30) try: ip_address = dut.expect(r' (sta|eth) ip: ([^,]+),', timeout=30) print('Connected to AP with IP: {}'.format(ip_address)) except pexpect.exceptions.TIMEOUT: raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP') dut.expect('Starting Advanced OTA example', timeout=30) print('writing to device: {}'.format('https://' + host_ip + ':8070/' + aligned_bin_name)) dut.write('https://' + host_ip + ':8070/' + aligned_bin_name) dut.expect('Loaded app from partition at offset', timeout=60) dut.expect('Starting Advanced OTA example', timeout=30) chunked_server.kill() try: os.remove(aligned_bin_name) except OSError: pass