esp-idf/examples/get-started/hello_world/pytest_hello_world.py

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# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import hashlib
import logging
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from typing import Callable
import pytest
from pytest_embedded_idf.dut import IdfDut
from pytest_embedded_qemu.app import QemuApp
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from pytest_embedded_qemu.dut import QemuDut
@pytest.mark.supported_targets
@pytest.mark.generic
def test_hello_world(
dut: IdfDut, log_minimum_free_heap_size: Callable[..., None]
) -> None:
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dut.expect('Hello world!')
log_minimum_free_heap_size()
def verify_elf_sha256_embedding(app: QemuApp, sha256_reported: str) -> None:
sha256 = hashlib.sha256()
with open(app.elf_file, 'rb') as f:
sha256.update(f.read())
sha256_expected = sha256.hexdigest()
logging.info(f'ELF file SHA256: {sha256_expected}')
logging.info(f'ELF file SHA256 (reported by the app): {sha256_reported}')
# the app reports only the first several hex characters of the SHA256, check that they match
if not sha256_expected.startswith(sha256_reported):
raise ValueError('ELF file SHA256 mismatch')
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@pytest.mark.esp32 # we only support qemu on esp32 for now
@pytest.mark.host_test
@pytest.mark.qemu
def test_hello_world_host(app: QemuApp, dut: QemuDut) -> None:
sha256_reported = (
dut.expect(r'ELF file SHA256:\s+([a-f0-9]+)').group(1).decode('utf-8')
)
verify_elf_sha256_embedding(app, sha256_reported)
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dut.expect('Hello world!')