test: test get_media_lane_count() with eeprom dump from Passive Copper ELB modules

Signed-off-by: Wataru Ishida <[email protected]>

Author: ishidawataru

Makefile

@@ -10,4 +10,4 @@ test_sonic_xcvr_with_emu:
 	-v `pwd`/docker/tests:/sonic_platform_base/tests \
 	-w /sonic_platform_base \
 	$(SONIC_XCVR_IMAGE) \
-	python -m pytest -v .
+	python -m pytest -v --log-cli-level=INFO .

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/ishidawataru/xcvr-emu:main
+FROM ghcr.io/ishidawataru/xcvr-emu:latest
 
 WORKDIR /sonic_platform_base
 

docker/tests/sonic_xcvr_with_emu/test_cmis.py

@@ -1,4 +1,5 @@
 import pytest
+import logging
 
 from sonic_platform_base.sonic_xcvr.xcvr_eeprom import XcvrEeprom
 from sonic_platform_base.sonic_xcvr.api.public.cmis import CmisApi
@@ -10,23 +11,28 @@
     ReadRequest,
     WriteRequest,
 )
+from cmis import MemMap
+from cmis.optoe import EEPROM
+
+logger = logging.getLogger(__name__)
+
 
 
 class XcvrEmuEeprom(XcvrEeprom):
-    def __init__(self, config: dict):
+    def __init__(self, config: dict, mem_map=None):
 
         codes = CmisCodes
-        mem_map = CmisMemMap(codes)
 
         self.xcvr = CMISTransceiver(
             0,
             {
                 "present": True,
                 "defaults": config,
             },
+            mem_map,
         )
 
-        super().__init__(self._read, self._write, mem_map)
+        super().__init__(self._read, self._write, CmisMemMap(codes))
 
     def _read(self, offset, num_bytes):
         if not self.xcvr.present:
@@ -81,3 +87,46 @@ async def test_get_model(emu_response, expected):
     result = result.rstrip("\x00")
     await eeprom.xcvr.plugout()
     assert result == expected
+
+# hexdump taken from https://github.com/sonic-net/sonic-platform-common/issues/489#issue-2445591891
+EEPROM_HEXDUMP = """00000000 18 40 00 07 00 00 00 00  00 00 00 00 00 00 17 00 |.@..............|
+00000010 82 00 00 00 00 00 00 00  17 80 00 00 00 00 00 00 |................|
+00000020 00 00 00 00 00 00 00 01  00 00 00 00 00 00 00 00 |................|
+00000030 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
+00000040 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
+00000050 00 00 00 00 00 03 00 00  00 00 00 00 00 00 00 00 |................|
+00000060 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
+00000070 00 00 11 00 88 00 00 00  00 00 00 00 00 00 00 00 |................|
+00000080 18 43 49 53 43 4f 20 20  20 20 20 20 20 20 20 20 |.CISCO          |
+00000090 20 00 06 f6 36 38 2d 31  30 33 32 30 35 2d 30 32 | ...68-103205-02|
+000000a0 20 20 20 20 32 20 46 41  42 32 36 31 31 30 30 43 |    2 FAB261100C|
+000000b0 51 20 20 20 20 20 32 32  31 30 31 38 20 20 00 00 |Q     221018  ..|
+000000c0 00 00 00 00 00 00 00 00  e0 78 00 00 00 00 00 00 |.........x......|
+000000d0 00 00 00 00 00 00 00 00  00 00 00 00 00 00 f9 00 |................|
+000000e0 1b 00 07 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
+000000f0 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|"""
+
+@pytest.mark.asyncio
+async def test_get_application_advertisement():
+    e = EEPROM()
+    e.load(EEPROM_HEXDUMP)
+    m = MemMap(e)
+    eeprom = XcvrEmuEeprom({}, m)
+    api = CmisApi(eeprom)
+
+    data = e.read(0, 0, 0, 256)
+    for f, v in m.decode(0, 0, data):
+        logger.info(f.to_str(value=v))
+
+    result = api.get_application_advertisement()
+    logger.info(f"Application Advertisement: {result}")
+
+    app_id = list(result.keys())[0]
+
+    with pytest.raises(KeyError):
+        result = api.get_media_lane_count()
+
+    result = api.get_media_lane_count(app_id)
+    logger.info(f"Media Lane Count: {result}")
+
+    await eeprom.xcvr.plugout()