diff --git a/libeos/file_reader.py b/libeos/file_reader.py
index d7589f1..b024d73 100644
--- a/libeos/file_reader.py
+++ b/libeos/file_reader.py
@@ -1,6 +1,7 @@
 """
 Reading of Amor NeXus data files to extract metadata and event stream.
 """
+from typing import BinaryIO, Union
 
 import h5py
 import numpy as np
@@ -56,11 +57,18 @@ class AmorEventData:
 
     startTime: np.int64
 
-    def __init__(self, fileName, first_index=0, max_events=1_000_000):
-        self.fileName = fileName
+    def __init__(self, fileName:Union[str, h5py.File, BinaryIO], first_index:int=0, max_events:int=1_000_000):
+        if type(fileName) is str:
+            self.fileName = fileName
+            self.hdf = h5py.File(fileName, 'r', swmr=True)
+        elif type(fileName) is h5py.File:
+            self.fileName = fileName.filename
+            self.hdf = fileName
+        else:
+            self.fileName = repr(fileName)
+            self.hdf = h5py.File(fileName, 'r')
         self.first_index = first_index
         self.max_events = max_events
-        self.hdf = h5py.File(fileName, 'r', swmr=True)
 
         self.read_header_info()
         self.read_instrument_configuration()
@@ -72,12 +80,14 @@ class AmorEventData:
         self.extract_walltime()
         self.read_proton_current_stream()
 
-        # close the input file to free memory
+        if type(fileName) is str:
+            # close the input file to free memory, only if the file was opened in this object
+            self.hdf.close()
         del(self.hdf)
 
     def _replace_if_missing(self, key, nicos_key, dtype=float):
         try:
-            return dtype(np.take(self.hdf[f'/entry1/Amor/{key}'], 0))
+            return dtype(self.hdf[f'/entry1/Amor/{key}'][0])
         except(KeyError, IndexError):
             if NICOS_CACHE_DIR:
                 try:
diff --git a/test_data/amor2023n000608.hdf b/test_data/amor2023n000608.hdf
deleted file mode 100644
index da050fa..0000000
Binary files a/test_data/amor2023n000608.hdf and /dev/null differ
diff --git a/test_data/amor2023n000609.hdf b/test_data/amor2023n000609.hdf
deleted file mode 100644
index a3c869c..0000000
Binary files a/test_data/amor2023n000609.hdf and /dev/null differ
diff --git a/test_data/amor2023n000610.hdf b/test_data/amor2023n000610.hdf
deleted file mode 100644
index 204cda8..0000000
Binary files a/test_data/amor2023n000610.hdf and /dev/null differ
diff --git a/test_data/amor2023n000611.hdf b/test_data/amor2023n000611.hdf
deleted file mode 100644
index 077ecdf..0000000
Binary files a/test_data/amor2023n000611.hdf and /dev/null differ
diff --git a/test_data/amor2023n000612.hdf b/test_data/amor2023n000612.hdf
deleted file mode 100644
index 3ef5b3c..0000000
Binary files a/test_data/amor2023n000612.hdf and /dev/null differ
diff --git a/test_data/amor2023n000613.hdf b/test_data/amor2023n000613.hdf
deleted file mode 100644
index 8986f99..0000000
Binary files a/test_data/amor2023n000613.hdf and /dev/null differ
diff --git a/tests/test_full_analysis.py b/tests/test_full_analysis.py
index b2d58e5..def2c08 100644
--- a/tests/test_full_analysis.py
+++ b/tests/test_full_analysis.py
@@ -20,7 +20,7 @@ class FullAmorTest(TestCase):
     def setUp(self):
         self.pr.enable()
         self.reader_config = options.ReaderConfig(
-                year=2023,
+                year=2025,
                 rawPath=(os.path.join('..', "test_data"),),
                 )