tests: Fix test failures caused by unix sockets' path length limitjonathan/wsl-tests

The unix specification for unix sockets only allocates ~100 characters
for the length of the path. This may be longer than the path for a CI
runner, or the path to a user's buildstream directory.

1 files changed, 8 insertions, 1 deletions

diff --git a/tests/testutils/filetypegenerator.py b/tests/testutils/filetypegenerator.py
index 2dadb7e80..622f454a1 100644
--- a/tests/testutils/filetypegenerator.py
+++ b/tests/testutils/filetypegenerator.py
@@ -56,7 +56,14 @@ def generate_file_types(path):
     yield
     clean()
 
+    # Change directory because the full path may be longer than the ~100
+    # characters permitted for a unix socket
+    old_dir = os.getcwd()
+    parent, child = os.path.split(path)
+    os.chdir(parent)
+
     s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
-    s.bind(path)
+    s.bind(child)
+    os.chdir(old_dir)
     yield
     clean()