zwitschi
68d8745534
Merged PR #24: tooling + architecture-upkeep rules, tool tests Co-authored-by: Zwitschi <zwitschi82@gmail.com>
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
"""Tests for Tools/input_emulation.py — the pure ioctl/key-code parts.
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The device path itself needs /dev/uinput, so only the encoding helpers are
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covered here; the end-to-end injection is verified by running the tool (see
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Docs/release-checks.md and MEMORY.md).
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"""
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import unittest
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import input_emulation as ie
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class IocEncodingTest(unittest.TestCase):
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"""_IOC must match the Linux ioctl bit layout."""
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def test_layout_constants(self):
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self.assertEqual(ie._IOC_NRSHIFT, 0)
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self.assertEqual(ie._IOC_TYPESHIFT, 8)
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self.assertEqual(ie._IOC_SIZESHIFT, 16)
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self.assertEqual(ie._IOC_DIRSHIFT, 30)
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def test_known_values(self):
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# UI_SET_EVBIT = _IOW('U', 100, int) -> 0x40045564 on Linux.
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self.assertEqual(ie.UI_SET_EVBIT, 0x40045564)
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# UI_DEV_CREATE = _IO('U', 1) -> 0x5501.
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self.assertEqual(ie.UI_DEV_CREATE, 0x5501)
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def test_type_accepts_char_or_int(self):
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self.assertEqual(ie._ioc(1, 4, "U", 100), ie._ioc(1, 4, ord("U"), 100))
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class KeyCodeTest(unittest.TestCase):
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"""KEYCODES must hold the Linux input-event codes the demo uses."""
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EXPECTED = {
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"w": 17, "s": 31, "a": 30, "d": 32,
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"space": 57, "r": 19, "esc": 1,
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}
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def test_demo_controls(self):
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for name, code in self.EXPECTED.items():
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self.assertEqual(ie.KEYCODES[name], code, f"{name} code")
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def test_lookup_is_case_insensitive(self):
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dev = ie.InputDevice.__new__(ie.InputDevice) # no device opened
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self.assertEqual(dev._key_code("W"), 17)
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self.assertEqual(dev._key_code("SPACE"), 57)
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self.assertEqual(dev._key_code(19), 19) # a raw code passes through
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def test_unknown_key_raises(self):
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dev = ie.InputDevice.__new__(ie.InputDevice)
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with self.assertRaises(ie.UInputError):
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dev._key_code("not-a-key")
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if __name__ == "__main__":
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unittest.main()
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