test_copy_file_xattr

test/framework/filetools.py

@@ -51,6 +51,7 @@
 from easybuild.tools.config import IGNORE, ERROR, build_option, update_build_option
 from easybuild.tools.multidiff import multidiff
 from easybuild.tools.py2vs3 import StringIO, std_urllib
+from easybuild.tools.run import run_cmd
 
 
 class FileToolsTest(EnhancedTestCase):
@@ -1912,6 +1913,29 @@ def test_copy_file(self):
         # However, if we add 'force_in_dry_run=True' it should throw an exception
         self.assertErrorRegex(EasyBuildError, "Could not copy *", ft.copy_file, src, target, force_in_dry_run=True)
 
+    def test_copy_file_xattr(self):
+        """Test copying a file with extended attributes using copy_file."""
+        # test copying a read-only files with extended attributes set
+        # first, create a special file with extended attributes
+        special_file = os.path.join(self.test_prefix, 'special.txt')
+        ft.write_file(special_file, 'special')
+        # make read-only, and set extended attributes
+        ft.adjust_permissions(special_file, stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH, add=False)
+        attr = ft.which('attr')
+        xattr = ft.which('xattr')
+        # try to attr (Linux) or xattr (macOS) to set extended attributes foo=bar
+        xattr_set = False
+        if attr:
+            cmd = "attr -s foo -V bar %s" % special_file
+            xattr_set = ec == 0
+        elif xattr:
+            cmd = "xattr -w foo bar %s" % special_file
+
+        (_, ec) = run_cmd(cmd, simple=False, log_all=False, log_ok=False)
+        if ec == 0:
+            target = os.path.join(self.test_prefix, 'copy.txt')
+            ft.copy_file(special_file, target)
+
     def test_copy_files(self):
         """Test copy_files function."""
         test_ecs = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'easyconfigs', 'test_ecs')