oeqa/selftest/recipetool: Make test_recipetool_load_plugin more resilient

* Avoid trying to write to read-only directories and file systems.
* Support symbolic links in BBPATH.

(From OE-Core rev: 9a8b621c4d26ff349de88658e6ea21aee6ba6767)

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 20 insertions, 5 deletions

diff --git a/meta/lib/oeqa/selftest/cases/recipetool.py b/meta/lib/oeqa/selftest/cases/recipetool.py
index bfe06eb4a5..20dd41f492 100644
--- a/meta/lib/oeqa/selftest/cases/recipetool.py
+++ b/meta/lib/oeqa/selftest/cases/recipetool.py
@@ -4,6 +4,7 @@
 # SPDX-License-Identifier: MIT
 #
 
+import errno
 import os
 import shutil
 import tempfile
@@ -914,7 +915,15 @@ class RecipetoolTests(RecipetoolBase):
         for p in paths:
             dstdir = os.path.join(dstdir, p)
             if not os.path.exists(dstdir):
-                os.makedirs(dstdir)
+                try:
+                    os.makedirs(dstdir)
+                except PermissionError:
+                    return False
+                except OSError as e:
+                    if e.errno == errno.EROFS:
+                        return False
+                    else:
+                        raise e
                 if p == "lib":
                     # Can race with other tests
                     self.add_command_to_tearDown('rmdir --ignore-fail-on-non-empty %s' % dstdir)
@@ -922,8 +931,12 @@ class RecipetoolTests(RecipetoolBase):
                     self.track_for_cleanup(dstdir)
         dstfile = os.path.join(dstdir, os.path.basename(srcfile))
         if srcfile != dstfile:
-            shutil.copy(srcfile, dstfile)
+            try:
+                shutil.copy(srcfile, dstfile)
+            except PermissionError:
+                return False
             self.track_for_cleanup(dstfile)
+        return True
 
     def test_recipetool_load_plugin(self):
         """Test that recipetool loads only the first found plugin in BBPATH."""
@@ -937,15 +950,17 @@ class RecipetoolTests(RecipetoolBase):
             plugincontent = fh.readlines()
         try:
             self.assertIn('meta-selftest', srcfile, 'wrong bbpath plugin found')
-            for path in searchpath:
-                self._copy_file_with_cleanup(srcfile, path, 'lib', 'recipetool')
+            searchpath = [
+                path for path in searchpath
+                if self._copy_file_with_cleanup(srcfile, path, 'lib', 'recipetool')
+            ]
             result = runCmd("recipetool --quiet count")
             self.assertEqual(result.output, '1')
             result = runCmd("recipetool --quiet multiloaded")
             self.assertEqual(result.output, "no")
             for path in searchpath:
                 result = runCmd("recipetool --quiet bbdir")
-                self.assertEqual(result.output, path)
+                self.assertEqual(os.path.realpath(result.output), os.path.realpath(path))
                 os.unlink(os.path.join(result.output, 'lib', 'recipetool', 'bbpath.py'))
         finally:
             with open(srcfile, 'w') as fh: