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"""Test example helper function."""
from unittest import mock
import pytest
from examples import helper
class TestHelperExamples:
"""Test helper functions in examples."""
def test_commandline_server_defaults(self):
"""Test defaults."""
args = helper.get_commandline(server=True, cmdline=[])
assert args.comm == "tcp"
assert args.log == "info"
assert args.baudrate == 9600
assert args.framer
assert args.port
assert args.store
assert not args.slaves
assert not args.context
def test_commandline_client_defaults(self):
"""Test defaults."""
args = helper.get_commandline(server=False, cmdline=[])
assert args.comm == "tcp"
assert args.log == "info"
assert args.baudrate == 9600
assert args.host == "127.0.0.1"
assert args.framer
assert args.port
def test_commandline(self):
"""Test defaults."""
args = helper.get_commandline(
server=False, cmdline=["--log", "debug", "--comm", "udp"]
)
assert args.comm == "udp"
assert args.log == "debug"
@pytest.mark.parametrize("suffix", ["crt", "key"])
def test_certificate(self, suffix):
"""Test certificate."""
path = helper.get_certificate(suffix)
with open(path, encoding="utf-8"):
pass
def test_certificate_illegal(self):
"""Test illegal path."""
with mock.patch(
"examples.helper.os.getcwd", return_value="no/good/path"
), pytest.raises(RuntimeError):
helper.get_certificate("crt")
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