add test for log in writing

tests/test_reader.py

@@ -2,15 +2,21 @@
 Basic example based test for the XPS reader
 """
 import os
-import xml.etree.ElementTree as ET
 from glob import glob
+import xml.etree.ElementTree as ET
+from pathlib import Path
 import pytest
+import logging
+
+import pynxtools.dataconverter.convert as dataconverter
+from pynxtools.dataconverter.convert import get_reader
 
 from pynxtools.dataconverter.helpers import (
     generate_template_from_nxdl,
     validate_data_dict,
 )
 from pynxtools.dataconverter.template import Template
+from pynxtools.nexus import nexus  # noqa: E402 # noqa: E402
 from pynxtools.nexus.nxdl_utils import get_nexus_definitions_path
 from pynxtools_xps.reader import XPSReader
 
@@ -111,3 +117,67 @@ def test_example_data(sub_reader_data_dir):
 #         if "REG" in v:
 #             print(k)
 # =============================================================================
+
+
+def test_xps_writing(tmp_path):
+    """Check if xps example can be reproduced"""
+    data_dir = os.path.join(Path(__file__).parent, "data")
+    input_files = (
+        os.path.join(data_dir, "xml", "In-situ_PBTTT_XPS_SPECS.xml"),
+        os.path.join(data_dir, "xml", "eln_data_xml.yaml"),
+    )
+    dataconverter.convert(
+        input_files,
+        "xps",
+        "NXmpes",
+        os.path.join(tmp_path, "xps.small_test.nxs"),
+        False,
+        False,
+    )
+    # check generated nexus file
+    test_data = os.path.join(tmp_path, "xps.small_test.nxs")
+    logger = logging.getLogger(__name__)
+    logger.setLevel(logging.DEBUG)
+    handler = logging.FileHandler(os.path.join(tmp_path, "xps_test.log"), "w")
+    formatter = logging.Formatter("%(levelname)s - %(message)s")
+    handler.setLevel(logging.DEBUG)
+    handler.setFormatter(formatter)
+    logger.addHandler(handler)
+    nexus_helper = nexus.HandleNexus(logger, test_data, None, None)
+    nexus_helper.process_nexus_master_file(None)
+    with open(os.path.join(tmp_path, "xps_test.log"), "r", encoding="utf-8") as logfile:
+        log = logfile.readlines()
+    with open(
+        os.path.join(data_dir, "Ref_nexus_xps.log"), "r", encoding="utf-8"
+    ) as logfile:
+        ref_log = logfile.readlines()
+    assert log == ref_log
+
+
+pwd = os.path.join(Path(__file__).parent, "data")
+test_xps_writing(pwd)
+
+
+def test_shows_correct_warnings():
+    """
+    Checks whether the read function generates the correct warnings.
+    """
+    def_dir = get_nexus_definitions_path()
+
+    data_dir = os.path.join(Path(__file__).parent, "data")
+    input_files = (
+        os.path.join(data_dir, "xml", "In-situ_PBTTT_XPS_SPECS.xml"),
+        os.path.join(data_dir, "xml", "eln_data_xml.yaml"),
+    )
+    nxdl_file = os.path.join(def_dir, "contributed_definitions", "NXmpes.nxdl.xml")
+
+    root = ET.parse(nxdl_file).getroot()
+    template = Template()
+    generate_template_from_nxdl(root, template)
+
+    read_data = get_reader("xps")().read(
+        template=Template(template), file_paths=tuple(input_files)
+    )
+
+    assert validate_data_dict(template, read_data, root)
+    assert not list(read_data.undocumented.keys())