Namespace test_cantp¶

Namespace List > test_cantp

Public Functions¶

Protected Functions¶

Public Functions Documentation¶

function test_cantp_stmin_and_bs¶

Verify STmin and block size pacing.

test_cantp::test_cantp_stmin_and_bs () 

Advances time to satisfy STmin between frames.

function test_cantp_timeout_n_bs¶

Verify N_Bs timeout is detected.

test_cantp::test_cantp_timeout_n_bs () 

Disables FC to force a sender block-size timeout.

function test_cantp_timeout_n_cr¶

Verify N_Cr timeout is detected.

test_cantp::test_cantp_timeout_n_cr () 

Drops incoming frames to force a receiver timeout.

function test_cantp_unexpected_pdu¶

Verify unexpected PDU is reported.

test_cantp::test_cantp_unexpected_pdu () 

Injects a CF when receiver is idle.

function test_wait_frame_overrun¶

Verify WAIT frame overrun is reported.

test_cantp::test_wait_frame_overrun () 

Repeated WAIT frames exceed the limit and trigger WFT_OVRN.

function test_wait_frame_then_continue¶

Verify receiver resumes after WAIT then CONTINUE FC.

test_cantp::test_wait_frame_then_continue () 

WAIT should pause transmission until CONTINUE arrives.

Protected Functions Documentation¶

function _fc_frame¶

Build a Flow Control (FC) frame.

test_cantp::_fc_frame (
    flow_status flow_status,
    block_size block_size,
    st_min st_min
) 

Parameters:

• flow_status Flow status nibble.
• block_size Block size byte.
• st_min STmin byte.

Returns:

CAN frame bytes representing the FC.

Encodes the 0x30 PCI for flow control.

function _make_payload¶

Build a deterministic payload of a given size.

test_cantp::_make_payload (
    size size
) 

Parameters:

• size Number of bytes to generate.

Returns:

Payload bytes.

Uses a simple modulo pattern for repeatability.

function _poll_until_receive¶

Poll the link until a response is received or steps are exhausted.

test_cantp::_poll_until_receive (
    link link,
    payload_size payload_size,
    steps steps,
    advance_ms advance_ms=0
) 

Parameters:

• link ISO-TP link handle.
• payload_size Expected payload size for receive.
• steps Maximum number of poll iterations.
• advance_ms Optional time advance per step in milliseconds.

Returns:

Received payload bytes or None when nothing is received.

Optionally advances the mock time between polls.

The documentation for this class was generated from the following file tests/integration/test_cantp.py