test(import): Add test for _paths_from_logfile method

test/test_ui.py

@@ -22,6 +22,7 @@
 import platform
 import sys
 import unittest
+import textwrap
 
 from unittest.mock import patch, Mock
 from test import _common
@@ -729,6 +730,41 @@ def test_quiet_timid_disallowed(self):
         self.assertRaises(ui.UserError, commands.import_files, None, [],
                           None)
 
+    def test_parse_paths_from_logfile(self):
+        if os.path.__name__ == 'ntpath':
+            logfile_content = """
+                import started Wed Jun 15 23:08:26 2022
+                asis C:\\music\\Beatles, The\\The Beatles; C:\\music\\Beatles, The\\The Beatles\\CD 01; C:\\music\\Beatles, The\\The Beatles\\CD 02
+                duplicate-replace C:\\music\\Bill Evans\\Trio '65
+                skip C:\\music\\Michael Jackson\\Bad
+                skip C:\\music\\Soulwax\\Any Minute Now
+                """
+            expected_paths = [
+                "C:\\music\\Beatles, The\\The Beatles",
+                "C:\\music\\Michael Jackson\\Bad",
+                "C:\\music\\Soulwax\\Any Minute Now",
+            ]
+        else:
+            logfile_content = """
+                import started Wed Jun 15 23:08:26 2022
+                asis /music/Beatles, The/The Beatles; /music/Beatles, The/The Beatles/CD 01; /music/Beatles, The/The Beatles/CD 02
+                duplicate-replace /music/Bill Evans/Trio '65
+                skip /music/Michael Jackson/Bad
+                skip /music/Soulwax/Any Minute Now
+                """
+            expected_paths = [
+                "/music/Beatles, The/The Beatles",
+                "/music/Michael Jackson/Bad",
+                "/music/Soulwax/Any Minute Now",
+            ]
+
+        logfile = os.path.join(self.temp_dir, b"logfile.log")
+        with open(logfile, mode="w") as fp:
+            fp.write(textwrap.dedent(logfile_content).strip("\n"))
+        actual_paths = list(commands._paths_from_logfile(logfile))
+
+        self.assertEqual(actual_paths, expected_paths)
+
 
 @_common.slow_test()
 class ConfigTest(unittest.TestCase, TestHelper, _common.Assertions):