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# -*- coding: utf-8 -*-
# Copyright (c) 2018 Richard Hull
# See LICENSE.rst for details.
import bme280.const as c
from bme280.const import ConstError
import pytest
c.const1 = "goodbye"
c.const2 = "cruel"
c.const3 = "world"
def test_simple_assignment():
assert c.const1 == "goodbye"
def test_to_string():
assert "'const1': 'goodbye'" in str(c)
assert "'const2': 'cruel'" in str(c)
assert "'const3': 'world'" in str(c)
def test_rebind_throws_error():
with pytest.raises(ConstError) as excinfo:
del c.const1
assert "Can't unbind const(const1)" in str(excinfo.value)
def test_unbind_throws_error():
with pytest.raises(ConstError) as excinfo:
c.const1 = "hello"
assert "Can't rebind const(const1)" in str(excinfo.value)
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