esp-idf/tools/test_mkdfu/test_mkdfu.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2020 Espressif Systems (Shanghai) CO 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 unicode_literals
import filecmp
import os
import pexpect
import shutil
import sys
import tempfile
import time
import unittest
current_dir = os.path.dirname(os.path.realpath(__file__))
mkdfu_path = os.path.join(current_dir, '..', 'mkdfu.py')
class TestHelloWorldExample(unittest.TestCase):
def common_test(self, add_args):
with tempfile.NamedTemporaryFile(delete=False) as f:
self.addCleanup(os.unlink, f.name)
cmd = ' '.join([sys.executable, mkdfu_path, 'write',
'-o', f.name,
'--pid', '2',
add_args])
p = pexpect.spawn(cmd, timeout=10)
self.addCleanup(p.terminate, force=True)
p.expect_exact(['Adding 1/bootloader.bin at 0x1000',
'Adding 1/partition-table.bin at 0x8000',
'Adding 1/hello-world.bin at 0x10000',
'"{}" has been written. You may proceed with DFU flashing.'.format(f.name)])
# Need to wait for the process to end because the output file is closed when mkdfu exits.
# Do non-blocking wait instead of the blocking p.wait():
for _ in range(10):
if not p.isalive():
break
time.sleep(0.5)
else:
p.terminate()
self.assertTrue(filecmp.cmp(f.name, os.path.join(current_dir, '1','dfu.bin')), 'Output files are different')
def test_with_json(self):
self.common_test(' '.join(['--json', os.path.join(current_dir, '1', 'flasher_args.json')]))
def test_without_json(self):
self.common_test(' '.join(['0x1000', os.path.join(current_dir, '1', '1.bin'),
'0x8000', os.path.join(current_dir, '1', '2.bin'),
'0x10000', os.path.join(current_dir, '1', '3.bin')
]))
def test_filenames(self):
temp_dir = tempfile.mkdtemp(prefix='very_long_directory_name' * 8)
self.addCleanup(shutil.rmtree, temp_dir, ignore_errors=True)
with tempfile.NamedTemporaryFile(dir=temp_dir, delete=False) as f:
output = f.name
with tempfile.NamedTemporaryFile(prefix='ľščťžýáíéěř\u0420\u043e\u0441\u0441\u0438\u044f',
dir=temp_dir,
delete=False) as f:
bootloader = f.name
shutil.copyfile(os.path.join(current_dir, '1', '1.bin'), bootloader)
cmd = ' '.join([sys.executable, mkdfu_path, 'write',
'-o', output,
'--pid', '2',
' '.join(['0x1000', bootloader,
'0x8000', os.path.join(current_dir, '1', '2.bin'),
'0x10000', os.path.join(current_dir, '1', '3.bin')
])
])
p = pexpect.spawn(cmd, timeout=10, encoding='utf-8')
self.addCleanup(p.terminate, force=True)
p.expect_exact(['Adding {} at 0x1000'.format(bootloader),
'Adding 1/2.bin at 0x8000',
'Adding 1/3.bin at 0x10000',
'"{}" has been written. You may proceed with DFU flashing.'.format(output)])
if __name__ == '__main__':
unittest.main()