class TestVisit(TestCase):
"""
Feature: The .visit and .visititems methods allow iterative access to
group and subgroup members
"""
def setUp(self):
self.f = File(self.mktemp(), 'w')
self.groups = [
'grp1', 'grp1/sg1', 'grp1/sg2', 'grp2', 'grp2/sg1', 'grp2/sg1/ssg1'
]
for x in self.groups:
self.f.create_group(x)
def tearDown(self):
self.f.close()
def test_visit(self):
""" All subgroups are visited """
l = []
self.f.visit(l.append)
self.assertSameElements(l, self.groups)
def test_visititems(self):
""" All subgroups and contents are visited """
l = []
comp = [(x, self.f[x]) for x in self.groups]
self.f.visititems(lambda x, y: l.append((x, y)))
self.assertSameElements(comp, l)
def test_bailout(self):
""" Returning a non-None value immediately aborts iteration """
x = self.f.visit(lambda x: x)
self.assertEqual(x, self.groups[0])
x = self.f.visititems(lambda x, y: (x, y))
self.assertEqual(x, (self.groups[0], self.f[self.groups[0]]))
class TestVisit(TestCase):
"""
Feature: The .visit and .visititems methods allow iterative access to
group and subgroup members
"""
def setUp(self):
self.f = File(self.mktemp(), 'w')
self.groups = [
'grp1', 'grp1/sg1', 'grp1/sg2', 'grp2', 'grp2/sg1', 'grp2/sg1/ssg1'
]
for x in self.groups:
self.f.create_group(x)
def tearDown(self):
self.f.close()
def test_visit(self):
""" All subgroups are visited """
l = []
self.f.visit(l.append)
self.assertSameElements(l, self.groups)
def test_visititems(self):
""" All subgroups and contents are visited """
l = []
comp = [(x, self.f[x]) for x in self.groups]
self.f.visititems(lambda x, y: l.append((x,y)))
self.assertSameElements(comp, l)
def test_bailout(self):
""" Returning a non-None value immediately aborts iteration """
x = self.f.visit(lambda x: x)
self.assertEqual(x, self.groups[0])
x = self.f.visititems(lambda x, y: (x,y))
self.assertEqual(x, (self.groups[0], self.f[self.groups[0]]))
def _file_keys(cls, file: h5py.File) -> List[str]:
"""Walk all groups and dataset"""
l = []
file.visit(lambda x: l.append("/" + x))
return l
