Add check to verify deprecated envar message

Signed-off-by: Daniel Diblik <[email protected]>

tests/integration/common/checks-after-conversion/test_verify_strings_in_log.py

@@ -1,4 +1,7 @@
 import re
+from tests.integration.test_helpers.common_functions import get_log_file_data
+
+log_file_data = get_log_file_data()
 
 
 def test_verify_initramfs_and_vmlinuz_present(log_file_data):

tests/integration/test_helpers/common_functions.py

@@ -110,8 +110,7 @@ def get_custom_repos_names():
     return repos
 
 
-@pytest.fixture()
-def log_file_data():
+def get_log_file_data():
     """
     Helper fixture.
     Reads and returns data from the convert2rhel.log file.
@@ -125,3 +124,24 @@ def log_file_data():
         log_data = logfile.read()
 
         return log_data
+
+
+@pytest.fixture(autouse=True)
+def check_validate_deprecated_envar_message():
+    """
+    Check fixture.
+    Validate that the warning message for deprecated environment variables is present,
+    if the respective environment variable is used.
+    """
+
+    yield
+
+    log_file_data = get_log_file_data()
+
+    missing_envar_messages = []
+    for key in os.environ.keys():
+        if re.match("CONVERT2RHEL_", key):
+            if not re.search(f"The environment variable {key} is deprecated", log_file_data):
+                missing_envar_messages.append(key)
+    if missing_envar_messages:
+        pytest.fail(f"The warning message for deprecated envars {missing_envar_messages} is not not present.")