tst: add test

Author: mgxd

nibabies/interfaces/tests/test_download.py

@@ -0,0 +1,19 @@
+from pathlib import Path
+
+from nibabies.interfaces.download import RetrievePoochFiles
+
+
+def test_RetrievePoochFiles(tmp_path, monkeypatch):
+    monkeypatch.chdir(tmp_path)
+    getter = RetrievePoochFiles(intermediate='MNIInfant:cohort-1', target='MNI152NLin6Asym')
+    outputs = getter.run().outputs
+    assert Path(outputs.int2tgt_xfm).exists()
+    assert Path(outputs.tgt2int_xfm).exists()
+
+    cache = tmp_path / 'mycache'
+    monkeypatch.setenv('NIBABIES_POOCH_DIR', cache)
+    getter = RetrievePoochFiles(intermediate='MNIInfant:cohort-1', target='MNI152NLin6Asym')
+    outputs = getter.run().outputs
+
+    assert Path(outputs.int2tgt_xfm) == cache / 'from-MNIInfant+1_to-MNI152NLin6Asym_xfm.h5'
+    assert Path(outputs.tgt2int_xfm) == cache / 'from-MNI152NLin6Asym_to-MNIInfant+1_xfm.h5'