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import os
import shutil
import tempfile
import unittest
import param
from .utils import check_defaults
class TestMultiFileSelectorParameters(unittest.TestCase):
def setUp(self):
super().setUp()
tmpdir1 = tempfile.mkdtemp()
fa = os.path.join(tmpdir1, 'a.txt')
fb = os.path.join(tmpdir1, 'b.txt')
glob1 = os.path.join(tmpdir1, '*')
open(fa, 'w').close()
open(fb, 'w').close()
tmpdir2 = tempfile.mkdtemp()
fc = os.path.join(tmpdir2, 'c.txt')
fd = os.path.join(tmpdir2, 'd.txt')
glob2 = os.path.join(tmpdir2, '*')
open(fc, 'w').close()
open(fd, 'w').close()
self.tmpdir1 = tmpdir1
self.tmpdir2 = tmpdir2
self.fa = fa
self.fb = fb
self.fc = fc
self.fd = fd
self.glob1 = glob1
self.glob2 = glob2
class P(param.Parameterized):
a = param.MultiFileSelector(path=glob1)
b = param.MultiFileSelector(default=[fa], path=glob1)
self.P = P
def tearDown(self):
shutil.rmtree(self.tmpdir1)
shutil.rmtree(self.tmpdir2)
def _check_defaults(self, p):
assert p.default is None
assert p.allow_None is None
assert p.objects == []
assert p.compute_default_fn is None
assert p.check_on_set is False
assert p.names == {}
assert p.path == ''
def test_defaults_class(self):
class P(param.Parameterized):
s = param.MultiFileSelector()
check_defaults(P.param.s, label='S')
self._check_defaults(P.param.s)
def test_defaults_inst(self):
class P(param.Parameterized):
s = param.MultiFileSelector()
p = P()
check_defaults(p.param.s, label='S')
self._check_defaults(p.param.s)
def test_defaults_unbound(self):
s = param.MultiFileSelector()
check_defaults(s, label=None)
self._check_defaults(s)
def test_default_is_None(self):
p = self.P()
assert p.a is None
assert p.param.a.default is None
def test_default_is_honored(self):
p = self.P()
assert p.b == [self.fa]
assert p.param.b.default ==[self.fa]
def test_allow_default_None(self):
class P(param.Parameterized):
a = param.MultiFileSelector(default=None)
def test_objects_auto_set(self):
p = self.P()
assert p.param.a.objects == [self.fa, self.fb]
def test_default_not_in_glob(self):
with self.assertRaises(ValueError):
class P(param.Parameterized):
a = param.MultiFileSelector(default=['not/in/glob'], path=self.glob1)
def test_objects_auto_set_sorted(self):
p = self.P()
assert sorted(p.param.a.objects) == sorted([self.fa, self.fb])
def test_set_object_constructor(self):
p = self.P(a=[self.fb])
assert p.a == [self.fb]
def test_set_object_outside_bounds(self):
p = self.P()
with self.assertRaises(ValueError):
p.a = ['/not/in/glob']
def test_set_path_and_update(self):
p = self.P()
p.param.b.path = self.glob2
p.param.b.update()
assert sorted(p.param.b.objects) == sorted([self.fc, self.fd])
assert sorted(p.param.b.default) == sorted([self.fc, self.fd])
# Default updated but not the value itself
assert p.b == [self.fa]
def test_path_autoupdate(self):
p = self.P()
p.param.b.path = self.glob2
assert sorted(p.param.b.objects) == sorted([self.fc, self.fd])
assert sorted(p.param.b.default) == sorted([self.fc, self.fd])
# Default updated but not the value itself
assert p.b == [self.fa]
def test_get_range(self):
p = self.P()
r = p.param.a.get_range()
assert r['a.txt'] == self.fa
assert r['b.txt'] == self.fb
p.param.a.path = self.glob2
p.param.a.update()
r = p.param.a.get_range()
assert r['c.txt'] == self.fc
assert r['d.txt'] == self.fd
def test_update_file_removed(self):
p = self.P()
assert p.param.b.objects == [self.fa, self.fb]
assert p.param.b.default == [self.fa]
os.remove(self.fa)
p.param.b.update()
assert p.param.b.objects == [self.fb]
assert p.param.b.default == [self.fb]
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