def test_no_build_id_on_dump():
elf_fixture_filename = os.path.join(
ELF_FIXTURES_DIR, "memfault_build_id_present_and_unpopulated.elf")
with pytest.raises(Exception, match="No Build ID Found"):
with open(elf_fixture_filename, "rb") as elf_fixture_file:
b = BuildIdInspectorAndPatcher(elf_fixture_file)
b.dump_build_info(num_chars=1)
def test_build_id_dump(capsys, snapshot):
elf_fixture_filename = os.path.join(
ELF_FIXTURES_DIR, "memfault_build_id_present_and_populated.elf")
with temporary_filename(elf_fixture_filename) as elf_copy_filename:
b = BuildIdInspectorAndPatcher(elf_copy_filename)
b.dump_build_info(num_chars=1)
b.dump_build_info(num_chars=2)
b.dump_build_info(num_chars=30)
assert filecmp.cmp(elf_copy_filename, elf_fixture_filename)
out, _ = capsys.readouterr()
lines = out.splitlines()
snapshot.assert_match(lines)