class TestFrozenNDArray(CheckImmutable, CheckStringMixin):
mutable_methods = ('put', 'itemset', 'fill')
def setup_method(self, _):
self.lst = [3, 5, 7, -2]
self.klass = FrozenNDArray
with warnings.catch_warnings(record=True):
warnings.simplefilter("ignore", FutureWarning)
self.container = FrozenNDArray(self.lst)
self.unicode_container = FrozenNDArray(["\u05d0", "\u05d1", "c"])
def test_constructor_warns(self):
# see gh-9031
with tm.assert_produces_warning(FutureWarning):
FrozenNDArray([1, 2, 3])
def test_tricky_container_to_bytes(self):
bytes(self.unicode_container)
def test_shallow_copying(self):
original = self.container.copy()
assert isinstance(self.container.view(), FrozenNDArray)
assert not isinstance(self.container.view(np.ndarray), FrozenNDArray)
assert self.container.view() is not self.container
tm.assert_numpy_array_equal(self.container, original)
# Shallow copy should be the same too
assert isinstance(self.container._shallow_copy(), FrozenNDArray)
# setting should not be allowed
def testit(container):
container[0] = 16
self.check_mutable_error(testit, self.container)
def test_values(self):
original = self.container.view(np.ndarray).copy()
n = original[0] + 15
vals = self.container.values()
tm.assert_numpy_array_equal(original, vals)
assert original is not vals
vals[0] = n
assert isinstance(self.container, FrozenNDArray)
tm.assert_numpy_array_equal(self.container.values(), original)
assert vals[0] == n
def test_searchsorted(self):
expected = 2
assert self.container.searchsorted(7) == expected
with tm.assert_produces_warning(FutureWarning):
assert self.container.searchsorted(v=7) == expected
class TestFrozenNDArray(CheckImmutable, CheckStringMixin):
mutable_methods = ('put', 'itemset', 'fill')
unicode_container = FrozenNDArray([u("\u05d0"), u("\u05d1"), "c"])
def setup_method(self, method):
self.lst = [3, 5, 7, -2]
self.container = FrozenNDArray(self.lst)
self.klass = FrozenNDArray
def test_shallow_copying(self):
original = self.container.copy()
assert isinstance(self.container.view(), FrozenNDArray)
assert not isinstance(self.container.view(np.ndarray), FrozenNDArray)
assert self.container.view() is not self.container
tm.assert_numpy_array_equal(self.container, original)
# Shallow copy should be the same too
assert isinstance(self.container._shallow_copy(), FrozenNDArray)
# setting should not be allowed
def testit(container):
container[0] = 16
self.check_mutable_error(testit, self.container)
def test_values(self):
original = self.container.view(np.ndarray).copy()
n = original[0] + 15
vals = self.container.values()
tm.assert_numpy_array_equal(original, vals)
assert original is not vals
vals[0] = n
assert isinstance(self.container, FrozenNDArray)
tm.assert_numpy_array_equal(self.container.values(), original)
assert vals[0] == n
def test_searchsorted(self):
expected = 2
assert self.container.searchsorted(7) == expected
with tm.assert_produces_warning(FutureWarning):
assert self.container.searchsorted(v=7) == expected
