tests: functional: storage: skip test List disks

Skip the test Scenario: List disks when inside a container

Reviewed-by: Joseph Nuthalapati <njoseph@riseup.net>

plinth/modules/storage/tests/test_functional.py

@@ -2,6 +2,7 @@
 """
 Functional, browser based tests for storage app.
 """
+import pytest
 
 from pytest_bdd import given, parsers, scenarios, then
 
@@ -17,7 +18,10 @@ def storage_root_disk_is_shown(session_browser):
 
 @given(parsers.parse("I'm on the {name:w} page"))
 def go_to_module(session_browser, name):
-    functional.nav_to_module(session_browser, name)
+    if functional.running_inside_container:
+        pytest.skip('Storage doesn\'t work inside a container')
+    else:
+        functional.nav_to_module(session_browser, name)
 
 
 def _is_root_disk_shown(browser):

plinth/tests/functional/__init__.py

@@ -7,6 +7,7 @@ import configparser
 import logging
 import os
 import pathlib
+import subprocess
 import tempfile
 import time
 from contextlib import contextmanager
@@ -424,6 +425,13 @@ def service_is_not_running(browser, app_name):
     return len(browser.find_by_id('service-not-running')) != 0
 
 
+def running_inside_container():
+    """Check if freedombox is running inside a container"""
+    result = subprocess.run(['systemd-detect-virt', '--container'],
+                            stdout=subprocess.PIPE)
+    return bool(result.stdout.decode('utf-8').lower() != "none\n")
+
+
 ##############################
 # System -> Config utilities #
 ##############################