File indexing completed on 2023-03-17 11:15:49
0001 from __future__ import absolute_import
0002 import unittest
0003 import os
0004 import shutil
0005
0006 from .chain import Chain
0007 from PhysicsTools.HeppyCore.utils.testtree import create_tree
0008
0009 testfname = 'test_tree.root'
0010
0011 class ChainTestCase(unittest.TestCase):
0012
0013 def setUp(self):
0014 self.chain = Chain(testfname, 'test_tree')
0015
0016 def test_file(self):
0017 '''Test that the test file exists'''
0018 self.assertTrue(os.path.isfile(testfname))
0019
0020 def test_wrong_filename(self):
0021 self.assertRaises(ValueError,
0022 Chain, 'non_existing_file.root')
0023
0024 def test_guess_treename(self):
0025 chain = Chain(testfname)
0026 self.assertEqual(len(self.chain), 100)
0027
0028 def test_load_1(self):
0029 '''Test that the chain has the correct number of entries'''
0030 self.assertEqual(len(self.chain), 100)
0031
0032 def test_load_2(self):
0033 '''Test chaining of two files.'''
0034 tmpfile = testfname.replace('test_tree', 'test_tree_2_tmp')
0035 shutil.copyfile(testfname, tmpfile)
0036 chain = Chain(testfname.replace('.root', '*.root'), 'test_tree')
0037 self.assertEqual(len(chain), 200)
0038 os.remove(tmpfile)
0039
0040 def test_load_3(self):
0041 '''Test LFN/root-fn loading'''
0042 chain = Chain(["root://{0}".format(os.path.abspath(testfname))], 'test_tree')
0043 self.assertEqual(len(chain), 100)
0044
0045 def test_iterate(self):
0046 '''Test iteration'''
0047 for ev in self.chain:
0048 pass
0049 self.assertTrue(True)
0050
0051 def test_get(self):
0052 '''Test direct event access'''
0053 event = self.chain[2]
0054 self.assertEqual(event.var1, 2.)
0055
0056
0057 if __name__ == '__main__':
0058 create_tree(testfname)
0059 unittest.main()
