mirror of
https://github.com/espressif/esp-idf.git
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232 lines
8.2 KiB
Python
232 lines
8.2 KiB
Python
# SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Unlicense OR CC0-1.0
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import os
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import re
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import shutil
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import sys
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import typing as t
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from datetime import datetime
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from subprocess import run
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from subprocess import STDOUT
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from time import sleep
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import pytest
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from pytest_embedded import Dut
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from pytest_embedded_idf.utils import idf_parametrize
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idf_path = os.environ['IDF_PATH'] # get value of IDF_PATH from environment
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parttool_dir = os.path.join(idf_path, 'components', 'partition_table')
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sys.path.append(parttool_dir)
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from parttool import PartitionName, ParttoolTarget # noqa E402 # pylint: disable=C0413
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FileStructure = t.Dict[str, t.Union[t.Optional[str], 'FileStructure']]
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class DirectoryStructureError(Exception):
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"""Base exception for directory structure errors."""
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pass
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class MissingStructureError(DirectoryStructureError):
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"""Raised when a directory or file is missing."""
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pass
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class ContentMismatchError(DirectoryStructureError):
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"""Raised when a file's content does not match the expected content."""
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pass
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class IOErrorInStructure(DirectoryStructureError):
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"""Raised when an I/O error occurs during structure validation."""
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pass
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def validate_directory_structure(base_path: str, expected_structure: FileStructure) -> None:
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"""
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Checks if the directory structure
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and file contents match the expected structure.
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:param base_path: The root directory to check.
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:param expected_structure: A nested dictionary representing
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the expected structure.
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Keys are folder names or file names.
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For files, values are either:
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- None (skip content check) or
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- string (expected content).
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For folders values are dictionaries defining
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their structure.
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:raises DirectoryStructureError: If the structure or contents do not match.
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"""
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def normalize_case(items: t.List[str]) -> t.Dict[str, str]:
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return {item.lower(): item for item in items}
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def escape_output(text: str) -> str:
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return text.replace('"', '"').replace('\n', '\\n').replace('\t', '\\t').replace('\r', '\\r')
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def validate_structure(current_path: str, structure: FileStructure) -> None:
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current_items = os.listdir(current_path)
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normalized_items = normalize_case(current_items)
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for name, substructure in structure.items():
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expected_name = normalized_items.get(name.lower())
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if not expected_name:
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raise MissingStructureError(f'Missing item: {os.path.join(current_path, name)}')
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full_path = os.path.join(current_path, expected_name)
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# File
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if isinstance(substructure, str) or substructure is None:
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if not os.path.isfile(full_path):
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raise MissingStructureError(f'Missing file: {full_path}')
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if isinstance(substructure, str): # Check file content
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try:
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with open(full_path, 'r', encoding='utf-8') as file:
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content = file.read()
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if content != substructure:
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raise ContentMismatchError(
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f'Content mismatch in file: {full_path}\n'
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f'Expected: "{escape_output(substructure)}"\n'
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f'Found: "{escape_output(content)}"'
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)
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except OSError as e:
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raise IOErrorInStructure(f'Error reading file {full_path}: {e}')
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# Folder
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elif isinstance(substructure, dict):
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if not os.path.isdir(full_path):
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raise MissingStructureError(f'Missing directory: {full_path}')
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# Recursively check the subdirectory
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validate_structure(full_path, substructure)
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else:
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raise DirectoryStructureError(f'Invalid structure definition for {name}.')
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validate_structure(base_path, expected_structure)
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@pytest.mark.generic
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@pytest.mark.parametrize(
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'config',
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[
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'test_read_only_partition_gen',
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'test_read_only_partition_gen_default_dt',
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'test_read_only_partition_gen_ln',
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'test_read_only_partition_gen_ln_default_dt',
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'test_read_write_partition_gen',
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'test_read_write_partition_gen_default_dt',
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'test_read_write_partition_gen_ln',
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'test_read_write_partition_gen_ln_default_dt',
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],
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indirect=True,
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)
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@idf_parametrize('target', ['esp32'], indirect=['target'])
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def test_examples_fatfsgen(config: str, dut: Dut) -> None:
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# Default timeout - a bit overkill, but better than failing tests
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timeout = 600
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def expect(msg: str, timeout: int = timeout) -> None:
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dut.expect(msg, timeout=timeout)
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# Expects list of strings sequentially
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def expect_all(msg_list: t.List[str], timeout: int = timeout) -> None:
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for msg in msg_list:
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expect(msg, timeout)
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# Expects prefix string followed by date in the format 'yyyy-mm-dd'
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def expect_date(prefix: str, timeout: int = timeout) -> datetime:
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expect_str = prefix + '(\\d+)-(\\d+)-(\\d+)'
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match_ = dut.expect(re.compile(str.encode(expect_str)), timeout=timeout)
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year_ = int(match_[1].decode())
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month_ = int(match_[2].decode())
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day_ = int(match_[3].decode())
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return datetime(year_, month_, day_)
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# Calculates absolute difference in days
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# between date_reference and date_actual.
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# Raises exception if difference exceeds date_tolerance
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# 30 days by default,
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def check_dates(date_reference: datetime, date_actual: datetime, days_date_tolerance: int = 30) -> None:
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td = date_actual - date_reference
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if abs(td.days) > days_date_tolerance:
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raise Exception(
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f'Too big date difference. \
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Actual: {date_actual}, \
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reference: {date_reference}, \
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date_tolerance: {days_date_tolerance} day(s)'
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)
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fatfs_parser_path = os.path.join(idf_path, 'components', 'fatfs', 'fatfsparse.py')
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config_read_only = '_read_only' in config
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config_long_names = '_ln' in config
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config_default_date = '_default_dt' in config
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expect('example: Mounting FAT filesystem')
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if not config_read_only:
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expect_all([
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'example: Opening file',
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'example: File written',
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'example: Reading file',
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'example: Read from file: ' + "'This is written by the device'",
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])
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expect('example: Reading file')
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stat_filename = 'sublongnames/testlongfilenames.txt' if config_long_names else 'sub/test.txt'
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modification_date = expect_date(f"The file '/spiflash/{stat_filename}' was modified at date: ")
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date_ref = datetime(1980, 1, 1) if config_default_date else datetime.today()
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check_dates(date_ref, modification_date)
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expect_all(['example: Unmounting FAT filesystem', 'example: Done'])
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dut.serial.close()
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sleep(1)
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target = ParttoolTarget(dut.serial.port, 1843200)
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target.read_partition(PartitionName('storage'), 'temp.img')
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if config_long_names:
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run(['python', fatfs_parser_path, '--long-name-support', 'temp.img'], stderr=STDOUT)
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else:
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run(['python', fatfs_parser_path, 'temp.img'], stderr=STDOUT)
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long_names_read_only: FileStructure = {
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'sublongnames': {
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'testlongfilenames.txt': 'this is test; long name it has\n',
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},
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'hellolongname.txt': 'This is generated on the host; long name it has\n',
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}
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short_names_read_only: FileStructure = {
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'sub': {
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'test.txt': 'this is test\n',
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},
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'hello.txt': 'This is generated on the host\n',
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}
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file_structure: FileStructure = long_names_read_only if config_long_names else short_names_read_only
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if not config_read_only and not config_long_names:
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file_structure['inner.txt'] = 'This is written by the device'
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try:
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validate_directory_structure('Espressif', file_structure)
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finally:
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shutil.rmtree('Espressif', ignore_errors=True)
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