1 files changed, 20 insertions, 0 deletions
diff --git a/tests/testutils.py b/tests/testutils.py
new file mode 100644
index 0000000..3ddbdbe
--- /dev/null
+++ b/tests/testutils.py
@@ -0,0 +1,20 @@
+"""Various utility functions for testing."""
+import gzip
+from pathlib import Path
+
+
+def load_gpx_asset(filename):
+    """Load a GPX test asset.
+
+    This looks in the tests/assets/ folder, reads and unzips the file and
+    returns its contents.
+
+    :param filename: Name of the asset to load.
+    :type filename: str
+    :return: The content of the asset as bytes.
+    :rtype: bytes
+    """
+    asset_dir = Path(__file__).parent / 'assets'
+    test_file = asset_dir / filename
+    with gzip.open(test_file, 'rb') as fobj:
+        return fobj.read()