Fix some errors found in impress and thunderbird examples

desktop_env/evaluators/metrics/basic_os.py

@@ -0,0 +1,59 @@
+import subprocess
+
+
+def check_gnome_favorite_apps(apps_str: str, rule):
+    # parse the string like "['thunderbird.desktop', 'vim.desktop', 'google-chrome.desktop']"
+    # to a list of strings
+    apps = eval(apps_str)
+
+    expected_apps = rule["expected"]
+
+    if len(apps) != len(expected_apps):
+        return 0
+
+    if set(apps) == set(expected_apps):
+        return 1
+    else:
+        return 0
+
+
+def is_utc_0(timedatectl_output):
+    """
+    Format as:
+    Local time: Thu 2024-01-25 12:56:06 WET
+           Universal time: Thu 2024-01-25 12:56:06 UTC
+                 RTC time: Thu 2024-01-25 12:56:05
+                Time zone: Atlantic/Faroe (WET, +0000)
+System clock synchronized: yes
+              NTP service: inactive
+          RTC in local TZ: no
+    """
+
+    utc_line = timedatectl_output.split("\n")[3]
+
+    if utc_line.endswith("+0000)"):
+        return 1
+    else:
+        return 0
+
+
+def check_text_enlarged(scaling_factor_str):
+    scaling_factor = float(scaling_factor_str)
+    if scaling_factor > 1.0:
+        return 1
+    else:
+        return 0
+
+
+def check_moved_jpgs(directory_list, rule):
+
+    expected_jpgs = rule["expected"]
+    moved_jpgs = [node['name'] for node in directory_list['children']]
+
+    if len(moved_jpgs) != len(expected_jpgs):
+        return 0
+
+    if set(moved_jpgs) == set(expected_jpgs):
+        return 1
+    else:
+        return 0