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import os
from tempfile import NamedTemporaryFile
from unittest import TestCase
import h5py
import numpy as np
from loompy import GlobalAttributeManager
class GlobalAttributeManagerTests(TestCase):
VALUE_IN_FILE = np.arange(3)
def setUp(self):
f = NamedTemporaryFile(suffix="loom")
f.close()
self.filename = f.name
self.file = h5py.File(f.name, 'w')
self.file.attrs["arr"] = self.VALUE_IN_FILE
def tearDown(self):
self.file.close()
os.remove(self.filename)
def test_get(self):
m = GlobalAttributeManager(self.file)
default = np.arange(2, 5)
val = m.get("arr")
np.testing.assert_array_equal(val, self.VALUE_IN_FILE)
val = m.get("arr", default)
np.testing.assert_array_equal(val, self.VALUE_IN_FILE)
val = m.get("missing")
self.assertIsNone(val)
val = m.get("missing", default)
np.testing.assert_array_equal(val, default)
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