Add streaming test (currently very slow)

tests/unit/test_fsspec_streaming.py

@@ -0,0 +1,30 @@
+import unittest
+
+
+try:
+    import s3fs
+    import fsspec
+    HAVE_FSSPEC = True
+except ImportError:
+    HAVE_FSSPEC = False
+
+
+from hdmf_zarr import NWBZarrIO
+
+
+class TestFSSpecStreaming(unittest.TestCase):
+
+    @unittest.skipIf(not HAVE_FSSPEC, "fsspec not installed")
+    def test_fsspec_streaming(self):
+        # PLACEHOLDER test file from Allen Insitute for Neural Dynamics
+        # TODO: store a small test file and use it to speed up testing
+        remote_path = "s3://aind-open-data/ecephys_625749_2022-08-03_15-15-06_nwb_2023-05-16_16-34-55/ecephys_625749_2022-08-03_15-15-06_nwb/ecephys_625749_2022-08-03_15-15-06_experiment1_recording1.nwb.zarr/"
+
+        with NWBZarrIO(remote_path, "r") as io:
+            nwbfile = io.read()
+
+        self.assertEqual(nwbfile.identifier, "ecephys_625749_2022-08-03_15-15-06")
+        self.assertEqual(len(nwbfile.devices), 2)
+        self.assertEqual(len(nwbfile.electrode_groups), 2)
+        self.assertEqual(len(nwbfile.electrodes), 1152)
+        self.assertEqual(nwbfile.institution, "AIND")