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4344b33 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | # tests/test_protocols.py — Tests for protocol library
from __future__ import annotations
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).parent.parent))
from src.generation.protocols import ProtocolLibrary
def test_protocol_library_available():
lib = ProtocolLibrary()
protocols = lib.list_available()
assert "uart" in protocols
assert "spi" in protocols
assert "i2c" in protocols
assert "axi4lite" in protocols
assert "apb" in protocols
assert "wishbone" in protocols
def test_uart_protocol():
lib = ProtocolLibrary()
uart = lib.load("uart")
assert uart["protocol"] == "uart"
signals = lib.get_signals("uart")
names = {s["name"] for s in signals}
assert "srx" in names
assert "stx" in names
registers = lib.get_registers("uart")
reg_names = {r["name"] for r in registers}
assert "LCR" in reg_names
assert "LSR" in reg_names
body = lib.get_sequence_body("uart")
assert "drv.write_reg" in body
def test_spi_protocol():
lib = ProtocolLibrary()
spi = lib.load("spi")
assert spi["protocol"] == "spi"
signals = lib.get_signals("spi")
names = {s["name"] for s in signals}
assert "sclk" in names
assert "mosi" in names
assert "miso" in names
assert "ss_n" in names
def test_i2c_protocol():
lib = ProtocolLibrary()
i2c = lib.load("i2c")
assert i2c["protocol"] == "i2c"
signals = lib.get_signals("i2c")
names = {s["name"] for s in signals}
assert "scl" in names
assert "sda" in names
def test_axi4lite_protocol():
lib = ProtocolLibrary()
axi = lib.load("axi4lite")
assert axi["protocol"] == "axi4lite"
signals = lib.get_signals("axi4lite")
names = {s["name"] for s in signals}
assert "awvalid" in names
assert "awready" in names
assert "wdata" in names
assert "rdata" in names
assert "bresp" in names
def test_protocol_library_cache():
lib = ProtocolLibrary()
p1 = lib.load("uart")
p2 = lib.load("uart")
assert p1 is p2 # same object from cache
def test_protocol_coverage_templates():
lib = ProtocolLibrary()
for proto in lib.list_available():
coverage = lib.get_coverage(proto)
assert len(coverage) >= 1, f"{proto} should have at least 1 coverage item"
assert coverage[0]["type"] == "covergroup"
def test_protocol_config_parameters():
lib = ProtocolLibrary()
params = lib.get_config_parameters("uart")
param_names = {p["name"] for p in params}
assert "DATA_BITS" in param_names
assert "STOP_BITS" in param_names
assert "PARITY" in param_names
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