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test_compression.py
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test_compression.py
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#!/usr/bin/env python
# Copyright (c) 2017, DIANA-HEP
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import unittest
import numpy
try:
import lzma
except ImportError:
lzma = None
try:
import lz4
except ImportError:
lz4 = None
import uproot
class TestCompression(unittest.TestCase):
def runTest(self):
pass
def test_compression_identity(self):
self.assertEqual(uproot.open("tests/samples/Zmumu-zlib.root").compression.algoname, "zlib")
self.assertEqual(uproot.open("tests/samples/Zmumu-zlib.root").compression.level, 4)
if lzma is not None:
self.assertEqual(uproot.open("tests/samples/Zmumu-lzma.root").compression.algoname, "lzma")
self.assertEqual(uproot.open("tests/samples/Zmumu-lzma.root").compression.level, 4)
if lz4 is not None:
self.assertEqual(uproot.open("tests/samples/Zmumu-lz4.root").compression.algoname, "lz4")
self.assertEqual(uproot.open("tests/samples/Zmumu-lz4.root").compression.level, 4)
self.assertEqual(uproot.open("tests/samples/Zmumu-uncompressed.root").compression.level, 0)
self.assertEqual(uproot.open("tests/samples/HZZ-zlib.root").compression.algoname, "zlib")
self.assertEqual(uproot.open("tests/samples/HZZ-zlib.root").compression.level, 4)
if lzma is not None:
self.assertEqual(uproot.open("tests/samples/HZZ-lzma.root").compression.algoname, "lzma")
self.assertEqual(uproot.open("tests/samples/HZZ-lzma.root").compression.level, 4)
if lz4 is not None:
self.assertEqual(uproot.open("tests/samples/HZZ-lz4.root").compression.algoname, "lz4")
self.assertEqual(uproot.open("tests/samples/HZZ-lz4.root").compression.level, 4)
self.assertEqual(uproot.open("tests/samples/HZZ-uncompressed.root").compression.level, 0)
def test_compression_keys(self):
keys = [(n, cls._classname) for n, cls in uproot.open("tests/samples/Zmumu-uncompressed.root").allclasses()]
self.assertEqual([(n, cls._classname) for n, cls in uproot.open("tests/samples/Zmumu-zlib.root").allclasses()], keys)
if lzma is not None:
self.assertEqual([(n, cls._classname) for n, cls in uproot.open("tests/samples/Zmumu-lzma.root").allclasses()], keys)
if lz4 is not None:
self.assertEqual([(n, cls._classname) for n, cls in uproot.open("tests/samples/Zmumu-lz4.root").allclasses()], keys)
keys = [(n, cls._classname) for n, cls in uproot.open("tests/samples/HZZ-uncompressed.root").allclasses()]
self.assertEqual([(n, cls._classname) for n, cls in uproot.open("tests/samples/HZZ-zlib.root").allclasses()], keys)
if lzma is not None:
self.assertEqual([(n, cls._classname) for n, cls in uproot.open("tests/samples/HZZ-lzma.root").allclasses()], keys)
if lz4 is not None:
self.assertEqual([(n, cls._classname) for n, cls in uproot.open("tests/samples/HZZ-lz4.root").allclasses()], keys)
def test_compression_branches(self):
branches = list(uproot.open("tests/samples/Zmumu-uncompressed.root")["events"].keys())
self.assertEqual(list(uproot.open("tests/samples/Zmumu-zlib.root")["events"].keys()), branches)
if lzma is not None:
self.assertEqual(list(uproot.open("tests/samples/Zmumu-lzma.root")["events"].keys()), branches)
if lz4 is not None:
self.assertEqual(list(uproot.open("tests/samples/Zmumu-lz4.root")["events"].keys()), branches)
branches = list(uproot.open("tests/samples/HZZ-uncompressed.root")["events"].keys())
self.assertEqual(list(uproot.open("tests/samples/HZZ-zlib.root")["events"].keys()), branches)
if lzma is not None:
self.assertEqual(list(uproot.open("tests/samples/HZZ-lzma.root")["events"].keys()), branches)
if lz4 is not None:
self.assertEqual(list(uproot.open("tests/samples/HZZ-lz4.root")["events"].keys()), branches)
def test_compression_content1(self):
for name, array in uproot.open("tests/samples/Zmumu-uncompressed.root")["events"].arrays(["Type", "Event", "E1", "px1", "Q1", "M"]).items():
self.assertTrue(numpy.array_equal(uproot.open("tests/samples/Zmumu-zlib.root")["events"].array(name), array))
if lzma is not None:
self.assertTrue(numpy.array_equal(uproot.open("tests/samples/Zmumu-lzma.root")["events"].array(name), array))
if lz4 is not None:
self.assertTrue(numpy.array_equal(uproot.open("tests/samples/Zmumu-lz4.root")["events"].array(name), array))
def test_compression_content2(self):
array = uproot.open("tests/samples/HZZ-uncompressed.root")["events"].array("Electron_Px").tolist()
self.assertEqual(uproot.open("tests/samples/HZZ-zlib.root")["events"].array("Electron_Px").tolist(), array)
if lzma is not None:
self.assertEqual(uproot.open("tests/samples/HZZ-lzma.root")["events"].array("Electron_Px").tolist(), array)
if lz4 is not None:
self.assertEqual(uproot.open("tests/samples/HZZ-lz4.root")["events"].array("Electron_Px").tolist(), array)