Improve Ragger test for expired trusted name

Author: apaillier-ledger

tests/ragger/conftest.py

@@ -3,9 +3,13 @@
 from os import path
 import warnings
 import glob
+import re
+
+import pytest
 
 from ragger.conftest import configuration
 
+
 #######################
 # CONFIGURATION START #
 #######################
@@ -14,6 +18,7 @@
 # ragger.configuration.OPTIONAL_CONFIGURATION
 # Please refer to ragger/conftest/configuration.py for their descriptions and accepted values
 
+
 def pytest_addoption(parser):
     parser.addoption("--with_lib_mode", action="store_true", help="Run the test with Library Mode")
 
@@ -42,6 +47,15 @@ def pytest_addoption(parser):
     collect_ignore += [f for f in testFiles if "test_clone" in f]
 
 
+@pytest.fixture(name="app_version")
+def app_version_fixture(request) -> tuple[int, int, int]:
+    with open(Path(__file__).parent.parent.parent / "Makefile") as f:
+        parsed = dict()
+        for m in re.findall(r"^APPVERSION_(\w)\s*=\s*(\d*)$", f.read(), re.MULTILINE):
+            parsed[m[0]] = int(m[1])
+    return (parsed["M"], parsed["N"], parsed["P"])
+
+
 #####################
 # CONFIGURATION END #
 #####################

tests/ragger/test_trusted_name.py

@@ -284,16 +284,28 @@ def test_trusted_name_v2_missing_challenge(firmware: Firmware, backend: BackendI
     assert e.value.status == StatusWord.INVALID_DATA
 
 
-def test_trusted_name_v2_expired(firmware: Firmware, backend: BackendInterface):
+def test_trusted_name_v2_expired(firmware: Firmware, backend: BackendInterface, app_version: tuple[int, int, int]):
     app_client = EthAppClient(backend)
     challenge = common(firmware, app_client)
 
+    # convert to list and reverse
+    app_version = list(app_version)
+    app_version.reverse()
+    # simulate a previous version number by decrementing the first non-zero value
+    for idx, v in enumerate(app_version):
+        if v > 0:
+            app_version[idx] -= 1
+            break
+    # reverse and convert back
+    app_version.reverse()
+    app_version = tuple(app_version)
+
     with pytest.raises(ExceptionRAPDU) as e:
         app_client.provide_trusted_name_v2(ADDR,
                                            NAME,
                                            TrustedNameType.ACCOUNT,
                                            TrustedNameSource.ENS,
                                            CHAIN_ID,
                                            challenge=challenge,
-                                           not_valid_after=(0, 1, 2))
+                                           not_valid_after=app_version)
     assert e.value.status == StatusWord.INVALID_DATA