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"""Tests for utils.py."""
from unittest import TestCase
from intellifire4py.utils import _range_check
from intellifire4py.const import IntelliFireCommand
from intellifire4py.exceptions import InputRangError
class TestRangeCheck(TestCase):
"""Test cases for the _range_check function."""
def test_valid_range(self) -> None:
"""Test with a valid value within the range."""
command = IntelliFireCommand.POWER
value = 1
try:
_range_check(command, value)
except InputRangError as e:
self.fail(f"Unexpected InputRangError: {e}")
def test_value_below_min(self) -> None:
"""Test with a value below the minimum allowed."""
command = IntelliFireCommand.POWER
value = -1
with self.assertRaises(InputRangError) as context:
_range_check(command, value)
self.assertEqual(
str(context.exception), "POWER is out of bounds: valid values [0:1]"
)
def test_value_above_max(self) -> None:
"""Test with a value above the maximum allowed."""
command = IntelliFireCommand.POWER
value = 2
with self.assertRaises(InputRangError) as context:
_range_check(command, value)
self.assertEqual(
str(context.exception), "POWER is out of bounds: valid values [0:1]"
)
def test_valid_range_max_min_edge_case(self) -> None:
"""Test with a value at the edge case of the valid range."""
command = IntelliFireCommand.POWER
min_value: int = command.value["min"] # type: ignore
max_value: int = command.value["max"] # type: ignore
value = (max_value + min_value) // 2
try:
_range_check(command, value)
except InputRangError as e:
self.fail(f"Unexpected InputRangError: {e}")
def test_valid_range_max_plus_one(self) -> None:
"""Test with a value one greater than the maximum allowed."""
command = IntelliFireCommand.POWER
max_value: int = command.value["max"] # type: ignore
value = max_value + 1
with self.assertRaises(InputRangError) as context:
_range_check(command, value)
self.assertEqual(
str(context.exception), "POWER is out of bounds: valid values [0:1]"
)
def test_valid_range_min_minus_one(self) -> None:
"""Test with a value one less than the minimum allowed."""
command = IntelliFireCommand.POWER
min_value: int = command.value["min"] # type: ignore
value = min_value - 1
with self.assertRaises(InputRangError) as context:
_range_check(command, value)
self.assertEqual(
str(context.exception), "POWER is out of bounds: valid values [0:1]"
)
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