tests/frontend/track.py: Conditionally skip a testtristan/conditional-subsecond-precision

Skip a test which relies on mtimes differing within a short timespan,
this will fail if it happens fast enough (which it should) on systems
which do not support subsecond precision mtimes.

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/frontend/track.py b/tests/frontend/track.py
index 682ee0e98..bd8444973 100644
--- a/tests/frontend/track.py
+++ b/tests/frontend/track.py
@@ -8,6 +8,7 @@ import pytest
 
 from buildstream.testing import create_repo, generate_project
 from buildstream.testing import cli  # pylint: disable=unused-import
+from buildstream.testing._utils.site import have_subsecond_mtime
 from buildstream.exceptions import ErrorDomain, LoadErrorReason
 from buildstream import _yaml
 from tests.testutils import generate_junction
@@ -366,6 +367,11 @@ def test_no_needless_overwrite(cli, tmpdir, datafiles):
     element_path = os.path.join(project, "elements")
     target = "track-test-target.bst"
 
+    # Skip this test if we do not have support for subsecond precision mtimes
+    #
+    if not have_subsecond_mtime(project):
+        pytest.skip("Filesystem does not support subsecond mtime precision: {}".format(project))
+
     # Create our repo object of the given source type with
     # the dev files, and then collect the initial ref.
     #