test_transfer

Functions

test_transfer_validation_rejects_zero_length_and_unavailable_direction(...) → None
test_transfer_validation_bounds_the_whole_span_by_device_memory(...) → None	The DMA engine wraps an address past the end of memory to the bottom
test_register_offsets_must_be_word_aligned_and_non_negative(...) → None
test_the_fake_transport_refuses_a_short_read_like_the_real_one(...) → None
test_blocking_dma_write_uses_h2c_channel_at_device_address(...) → None
test_blocking_dma_read_uses_c2h_channel_at_device_address(...) → None
test_blocking_dma_io_wraps_missing_channel_as_transfer_error(...) → None
test_dma_short_read_error_includes_offset_expected_and_actual_bytes(...) → None
test_dma_short_write_error_includes_offset_expected_and_actual_bytes(...) → None
make_fake_device(tmp_path) → dau_driver.DauDevice

Module Contents

test_transfer.test_transfer_validation_rejects_zero_length_and_unavailable_direction(tmp_path: pathlib.Path) → None

test_transfer.test_transfer_validation_bounds_the_whole_span_by_device_memory(tmp_path: pathlib.Path) → None

The DMA engine wraps an address past the end of memory to the bottom instead of failing, so the END of a transfer has to be checked, not only its start.

test_transfer.test_register_offsets_must_be_word_aligned_and_non_negative(tmp_path: pathlib.Path) → None

test_transfer.test_the_fake_transport_refuses_a_short_read_like_the_real_one(tmp_path: pathlib.Path) → None

test_transfer.test_blocking_dma_write_uses_h2c_channel_at_device_address(tmp_path: pathlib.Path) → None

test_transfer.test_blocking_dma_read_uses_c2h_channel_at_device_address(tmp_path: pathlib.Path) → None

test_transfer.test_blocking_dma_io_wraps_missing_channel_as_transfer_error(tmp_path: pathlib.Path) → None

test_transfer.test_dma_short_read_error_includes_offset_expected_and_actual_bytes(tmp_path: pathlib.Path) → None

test_transfer.test_dma_short_write_error_includes_offset_expected_and_actual_bytes(tmp_path: pathlib.Path, monkeypatch: pytest.MonkeyPatch) → None

test_transfer.make_fake_device(tmp_path: pathlib.Path) → dau_driver.DauDevice