TEST: Add fixtures for testing interfaces with doctests

Author: effigies

nibabies/interfaces/conftest.py

@@ -0,0 +1,30 @@
+"""py.test configuration"""
+from pathlib import Path
+import pytest
+from tempfile import TemporaryDirectory
+
+
+FILES = (
+    'functional.nii',
+    'anatomical.nii',
+    'epi.nii',
+    'T1w.nii',
+    'func_to_struct.mat',
+    'sub-01_run-01_echo-1_bold.nii.gz',
+    'sub-01_run-01_echo-2_bold.nii.gz',
+    'sub-01_run-01_echo-3_bold.nii.gz',
+)
+
+
+@pytest.fixture(scope="package")
+def data_dir():
+    with TemporaryDirectory() as tmpdir:
+        tmp_path = Path(tmpdir)
+        for fname in FILES:
+            Path.touch(tmp_path / fname)
+        yield tmp_path
+
+
+@pytest.fixture(autouse=True)
+def set_namespace(doctest_namespace, data_dir):
+    doctest_namespace["data_dir"] = data_dir