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@ -1,5 +1,7 @@
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from common import * # isort:skip
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from typing import Any, Awaitable
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if utils.USE_THP:
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from trezor.wire.thp import writer
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from trezor.wire.thp.thp_messages import ENCRYPTED_TRANSPORT, PacketHeader
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@ -26,6 +28,7 @@ if __debug__:
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log.debug = lambda name, msg, *args: None
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@unittest.skipUnless(utils.USE_THP, "only needed for THP")
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class TestTrezorHostProtocolWriter(unittest.TestCase):
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short_payload_expected = b"04123400050700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
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@ -80,46 +83,41 @@ class TestTrezorHostProtocolWriter(unittest.TestCase):
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b"801234b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1",
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b"801234f2f3f4f5f6f7f8f9fafbfcfdfefff40c65ee00000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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]
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def await_until_result(self, task: Awaitable) -> Any:
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with self.assertRaises(StopIteration):
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while True:
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task.send(None)
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def setUp(self):
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self.interface = MockHID(0xDEADBEEF)
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def test_write_empty_packet(self):
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gen = writer.write_packet_to_wire(self.interface, b"")
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with self.assertRaises(StopIteration):
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gen.send(None)
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gen.send(None)
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self.await_until_result(writer.write_packet_to_wire(self.interface, b""))
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print(self.interface.data[0])
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self.assertEqual(len(self.interface.data), 1)
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self.assertEqual(self.interface.data[0], b"")
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def test_write_empty_payload(self):
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header = PacketHeader(ENCRYPTED_TRANSPORT, 4660, 4)
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gen = writer.write_payloads_to_wire(self.interface, header, (b"",))
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with self.assertRaises(StopIteration):
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gen.send(None)
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await_result(writer.write_payloads_to_wire(self.interface, header, (b"",)))
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self.assertEqual(len(self.interface.data), 0)
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def test_write_short_payload(self):
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header = PacketHeader(ENCRYPTED_TRANSPORT, 4660, 5)
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data = b"\x07"
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gen = writer.write_payloads_to_wire(self.interface, header, (data,))
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gen.send(None)
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with self.assertRaises(StopIteration):
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gen.send(None)
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self.await_until_result(
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writer.write_payloads_to_wire(self.interface, header, (data,))
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)
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self.assertEqual(hexlify(self.interface.data[0]), self.short_payload_expected)
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def test_write_longer_payload(self):
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data = bytearray(range(256))
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header = PacketHeader(ENCRYPTED_TRANSPORT, 4660, 256)
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gen = writer.write_payloads_to_wire(self.interface, header, (data,))
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self.await_until_result(
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writer.write_payloads_to_wire(self.interface, header, (data,))
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)
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for i in range(5):
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gen.send(None)
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with self.assertRaises(StopIteration):
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gen.send(None)
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for i in range(len(self.longer_payload_expected)):
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self.assertEqual(
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hexlify(self.interface.data[i]), self.longer_payload_expected[i]
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@ -128,14 +126,11 @@ class TestTrezorHostProtocolWriter(unittest.TestCase):
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def test_write_eight_longer_payloads(self):
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data = bytearray(range(256))
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header = PacketHeader(ENCRYPTED_TRANSPORT, 4660, 2048)
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gen = writer.write_payloads_to_wire(
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self.interface, header, (data, data, data, data, data, data, data, data)
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self.await_until_result(
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writer.write_payloads_to_wire(
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self.interface, header, (data, data, data, data, data, data, data, data)
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)
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)
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for i in range(34):
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gen.send(None)
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with self.assertRaises(StopIteration):
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gen.send(None)
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for i in range(len(self.eight_longer_payloads_expected)):
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self.assertEqual(
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hexlify(self.interface.data[i]), self.eight_longer_payloads_expected[i]
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@ -143,11 +138,10 @@ class TestTrezorHostProtocolWriter(unittest.TestCase):
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def test_write_empty_payload_with_checksum(self):
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header = PacketHeader(ENCRYPTED_TRANSPORT, 4660, 4)
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gen = writer.write_payload_to_wire_and_add_checksum(self.interface, header, b"")
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self.await_until_result(
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writer.write_payload_to_wire_and_add_checksum(self.interface, header, b"")
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)
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gen.send(None)
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with self.assertRaises(StopIteration):
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gen.send(None)
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self.assertEqual(
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hexlify(self.interface.data[0]), self.empty_payload_with_checksum_expected
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)
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@ -155,14 +149,10 @@ class TestTrezorHostProtocolWriter(unittest.TestCase):
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def test_write_longer_payload_with_checksum(self):
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data = bytearray(range(256))
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header = PacketHeader(ENCRYPTED_TRANSPORT, 4660, 256)
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gen = writer.write_payload_to_wire_and_add_checksum(
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self.interface, header, data
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self.await_until_result(
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writer.write_payload_to_wire_and_add_checksum(self.interface, header, data)
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)
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for i in range(5):
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gen.send(None)
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with self.assertRaises(StopIteration):
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gen.send(None)
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for i in range(len(self.longer_payload_with_checksum_expected)):
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self.assertEqual(
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hexlify(self.interface.data[i]),
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