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"""
Unit test for Boolean parameters.
"""
import unittest
import param
from .utils import check_defaults
class TestBooleanParameters(unittest.TestCase):
def setUp(self):
super().setUp()
class P(param.Parameterized):
e = param.Boolean()
f = param.Boolean(default=None)
self.P = P
def _check_defaults(self, p):
assert p.default is False
assert p.allow_None is False
def test_defaults_class(self):
class A(param.Parameterized):
b = param.Boolean()
check_defaults(A.param.b, label='B')
self._check_defaults(A.param.b)
def test_defaults_inst(self):
class A(param.Parameterized):
b = param.Boolean()
a = A()
check_defaults(a.param.b, label='B')
self._check_defaults(a.param.b)
def test_defaults_unbound(self):
b = param.Boolean()
check_defaults(b, label=None)
self._check_defaults(b)
def test_default_is_None(self):
p = self.P()
assert p.f is None
assert p.param.f.allow_None is True
p.f = True
p.f = None
assert p.f is None
def test_raise_None_when_not_allowed(self):
p = self.P()
msg = r"Boolean parameter 'P.e' must be True or False, not None"
with self.assertRaisesRegex(ValueError, msg):
p.e = None
with self.assertRaisesRegex(ValueError, msg):
self.P.e = None
def test_bad_type(self):
msg = r"Boolean parameter 'P.e' must be True or False, not 'test'"
with self.assertRaisesRegex(ValueError, msg):
self.P.e = 'test'
with self.assertRaisesRegex(ValueError, msg):
self.P(e='test')
p = self.P()
with self.assertRaisesRegex(ValueError, msg):
p.e = 'test'
def test_bad_default_type(self):
msg = r"Boolean parameter 'b' must be True or False, not 'test'\."
with self.assertRaisesRegex(ValueError, msg):
class A(param.Parameterized):
b = param.Boolean(default='test')
class TestEventParameters(unittest.TestCase):
def setUp(self):
super().setUp()
class P(param.Parameterized):
e = param.Event()
f = param.Event(default=None)
self.P = P
def _check_defaults(self, p):
assert p.default is False
assert p.allow_None is False
def test_defaults_class(self):
class A(param.Parameterized):
b = param.Event()
check_defaults(A.param.b, label='B')
self._check_defaults(A.param.b)
def test_defaults_inst(self):
class A(param.Parameterized):
b = param.Event()
a = A()
check_defaults(a.param.b, label='B')
self._check_defaults(a.param.b)
def test_defaults_unbound(self):
b = param.Event()
check_defaults(b, label=None)
self._check_defaults(b)
def test_resets_to_false(self):
p = self.P()
p.e = True
assert p.e is False
def test_default_is_None(self):
p = self.P()
assert p.f is None
assert p.param.f.allow_None is True
p.f = None
assert p.f is False
def test_raise_None_when_not_allowed(self):
p = self.P()
msg = r"Event parameter 'P.e' must be True or False, not None"
with self.assertRaisesRegex(ValueError, msg):
p.e = None
with self.assertRaisesRegex(ValueError, msg):
self.P.e = None
def test_bad_type(self):
msg = r"Event parameter 'P.e' must be True or False, not 'test'"
with self.assertRaisesRegex(ValueError, msg):
self.P.e = 'test'
with self.assertRaisesRegex(ValueError, msg):
self.P(e='test')
p = self.P()
with self.assertRaisesRegex(ValueError, msg):
p.e = 'test'
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