Big transponder support update

tests/test_sim_myd_vicinity.py

@@ -0,0 +1,85 @@
+"""Tests for the Infineon my-d vicinity (SRF55V02P / SRF55V10P)."""
+import asyncio
+import pytest
+
+from pm3py.sim.frame import RFFrame
+from pm3py.transponders.hf.iso15693.infineon.myd_vicinity import SRF55V02P, SRF55V10P
+
+
+def run(coro):
+    return asyncio.new_event_loop().run_until_complete(coro)
+
+
+def cmd(tag, payload: bytes):
+    return run(tag.handle_frame(RFFrame.from_bytes(payload)))
+
+
+class TestIdentity:
+    @pytest.mark.parametrize("cls,prefix,blocks", [
+        (SRF55V02P, b"\xE0\x05\x40", 56),
+        (SRF55V10P, b"\xE0\x05\x00", 248),
+    ])
+    def test_uid_and_blocks(self, cls, prefix, blocks):
+        tag = cls()
+        assert tag._uid[0:3] == prefix
+        assert tag._num_blocks == blocks
+
+    def test_infineon_mfg_code(self):
+        assert SRF55V02P()._uid[1] == 0x05
+
+    def test_no_get_system_info(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        r = cmd(tag, bytes([0x02, 0x2B]))
+        assert r.data[0] == 0x01 and r.data[1] == 0x01   # command not supported
+
+    def test_inventory(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        r = cmd(tag, bytes([0x26, 0x01, 0x00]))
+        assert r.data[0] == 0x00
+        assert bytes(reversed(r.data[2:10])) == tag._uid
+
+
+class TestBlockMode:
+    def test_iso_read_write(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        cmd(tag, bytes([0x02, 0x21, 0x05, 0xCA, 0xFE, 0xBA, 0xBE]))
+        assert cmd(tag, bytes([0x02, 0x20, 0x05])).data[1:5] == b"\xCA\xFE\xBA\xBE"
+
+
+class TestPageMode:
+    def test_custom_read_page_reflects_blocks(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        # block 5 lives in page 2 (bytes 4-7 of the 8-byte page)
+        cmd(tag, bytes([0x02, 0x21, 0x05, 0xCA, 0xFE, 0xBA, 0xBE]))
+        r = cmd(tag, bytes([0x02, 0xA0, 0x05, 0x10, 0x02, 0x00]))
+        assert len(r.data) == 9
+        assert r.data[5:9] == b"\xCA\xFE\xBA\xBE"
+
+    def test_custom_write_page(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        cmd(tag, bytes([0x02, 0xA0, 0x05, 0x30, 0x03, 0x00]) + bytes(range(8)))
+        r = cmd(tag, bytes([0x02, 0xA0, 0x05, 0x10, 0x03, 0x00]))
+        assert r.data[1:9] == bytes(range(8))
+
+    def test_write_and_reread(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        r = cmd(tag, bytes([0x02, 0xA0, 0x05, 0xB0, 0x04, 0x00]) + bytes([9] * 8))
+        assert r.data[0] == 0x00 and r.data[1:9] == bytes([9] * 8)
+
+
+class TestValueCounter:
+    def test_decrement_only(self):
+        tag = SRF55V02P()
+        run(tag.power_on())
+        # set page 6 counter0 to 16
+        cmd(tag, bytes([0x02, 0xA0, 0x05, 0x30, 0x06, 0x00]) + bytes([0x10, 0, 0, 0, 0, 0, 0, 0]))
+        # decrement to 5 → ok
+        assert cmd(tag, bytes([0x02, 0xA0, 0x05, 0x00, 0x06, 0x00]) + bytes([5, 0, 0, 0])).data[0] == 0x00
+        # increment to 9 → rejected
+        assert cmd(tag, bytes([0x02, 0xA0, 0x05, 0x00, 0x06, 0x00]) + bytes([9, 0, 0, 0])).data[0] == 0x01