bitbake: lib/bb/tests/setup.py: unset BBPATH to ensure isolation from the existing bitbake environment

bitbake-setup deduces top directory from BBPATH, which, if set, interferes with
the tests' own setup.

(Bitbake rev: ca21545bb847138d75d985d6d7eb0dc9b14550be)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/bitbake/lib/bb/tests/setup.py b/bitbake/lib/bb/tests/setup.py
index c77e750db7..2076613d9b 100644
--- a/bitbake/lib/bb/tests/setup.py
+++ b/bitbake/lib/bb/tests/setup.py
@@ -181,6 +181,11 @@ print("BBPATH is {{}}".format(os.environ["BBPATH"]))
 
 
     def test_setup(self):
+        # unset BBPATH to ensure tests run in isolation from the existing bitbake environment
+        import os
+        if 'BBPATH' in os.environ:
+            del os.environ['BBPATH']
+
         # check that no arguments works
         self.runbbsetup("")