diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/__init__.py | 0 | ||||
| -rw-r--r-- | tests/test_cli.py | 140 |
2 files changed, 140 insertions, 0 deletions
diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/__init__.py diff --git a/tests/test_cli.py b/tests/test_cli.py new file mode 100644 index 0000000..82d0e00 --- /dev/null +++ b/tests/test_cli.py @@ -0,0 +1,140 @@ +# Copyright (C) 2023 Tomasz Kramkowski <tomasz@kramkow.ski> +# SPDX-License-Identifier: MIT +import unittest +from collections.abc import Iterator +from contextlib import contextmanager +from tempfile import TemporaryDirectory + +from brightness import main + + +class TempSysfs: + def __init__(self, path: str) -> None: + self.path = path + + def read(self, name) -> str: + with open(self.path + "/" + name) as f: + return f.read() + + @property + def brightness(self) -> int: + return int(self.read("brightness").rstrip()) + + def max_brightness(self) -> int: + return int(self.read("max_brightness").rstrip()) + + +@contextmanager +def fake_sysfs(brightness: int, max_brightness: int) -> Iterator[TempSysfs]: + with TemporaryDirectory() as d: + with open(d + "/brightness", "w") as f: + f.write(str(brightness) + "\n") + with open(d + "/max_brightness", "w") as f: + f.write(str(max_brightness) + "\n") + yield TempSysfs(d) + + +class TestCLI(unittest.TestCase): + def test_increment_10(self): + with fake_sysfs(brightness=70, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "+10"]) + self.assertGreater(sysfs.brightness, 70) + self.assertLessEqual(sysfs.brightness, 255) + + def test_decrement_10(self): + with fake_sysfs(brightness=70, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "-10"]) + self.assertGreaterEqual(sysfs.brightness, 0) + self.assertLess(sysfs.brightness, 70) + + def test_increase_small(self): + with fake_sysfs(brightness=0, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "+1"]) + self.assertEqual(sysfs.brightness, 1) + + def test_decrease_small(self): + with fake_sysfs(brightness=1, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "-1"]) + self.assertEqual(sysfs.brightness, 0) + + def test_increase_zero(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "+0"]) + self.assertEqual(sysfs.brightness, 127) + + def test_decrease_zero(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "-0"]) + self.assertEqual(sysfs.brightness, 127) + + def test_double(self): + with fake_sysfs(brightness=15, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "+" + str(1 / 8 * 100)]) + self.assertEqual(sysfs.brightness, 31) + + def test_halve(self): + with fake_sysfs(brightness=15, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, str(-(1 / 8 * 100))]) + self.assertEqual(sysfs.brightness, 7) + + def test_clamp_low(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "-100"]) + self.assertEqual(sysfs.brightness, 0) + + def test_clamp_high(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "+100"]) + self.assertEqual(sysfs.brightness, 255) + + def test_absolute(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 0) + main(["brightness", sysfs.path, "12.5"]) + self.assertEqual(sysfs.brightness, 1) + main(["brightness", sysfs.path, "25.0"]) + self.assertEqual(sysfs.brightness, 3) + main(["brightness", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 255) + + def test_min_value(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", "--min", "0", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 0) + main(["brightness", "--min", "10", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 10) + main(["brightness", "--min", "0%", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 0) + main(["brightness", "--min", "12.5%", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 1) + + def test_max_value(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", "--max", "255", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 255) + main(["brightness", "--max", "245", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 245) + main(["brightness", "--max", "100%", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 255) + main(["brightness", "--max", "87.5%", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 127) + + def test_min_max(self): + with fake_sysfs(brightness=127, max_brightness=255) as sysfs: + main(["brightness", "--min", "0", "--max", "255", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 0) + main(["brightness", "--min", "0", "--max", "255", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 255) + main(["brightness", "--min", "10", "--max", "245", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 10) + main(["brightness", "--min", "10", "--max", "245", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 245) + main(["brightness", "--min", "0%", "--max", "100%", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 0) + main(["brightness", "--min", "0%", "--max", "100%", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 255) + main(["brightness", "--min", "12.5%", "--max", "87.5%", sysfs.path, "0"]) + self.assertEqual(sysfs.brightness, 1) + main(["brightness", "--min", "12.5%", "--max", "87.5%", sysfs.path, "100"]) + self.assertEqual(sysfs.brightness, 127) |