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import os
import h5py
import numpy as np
from hdmf import Container, Data
from hdmf.backends.hdf5 import H5DataIO
from hdmf.build import (GroupBuilder, DatasetBuilder, ObjectMapper, BuildManager, TypeMap, ReferenceBuilder,
ReferenceTargetNotBuiltError)
from hdmf.data_utils import DataChunkIterator
from hdmf.spec import (AttributeSpec, DatasetSpec, DtypeSpec, GroupSpec, SpecCatalog, SpecNamespace, NamespaceCatalog,
RefSpec)
from hdmf.spec.spec import ZERO_OR_MANY
from hdmf.testing import TestCase
from hdmf.utils import docval, getargs
from tests.unit.helpers.utils import Foo, CORE_NAMESPACE
class Baz(Data):
@docval({'name': 'name', 'type': str, 'doc': 'the name of this Baz'},
{'name': 'data', 'type': (list, h5py.Dataset, 'data', 'array_data'), 'doc': 'some data'},
{'name': 'baz_attr', 'type': str, 'doc': 'an attribute'})
def __init__(self, **kwargs):
name, data, baz_attr = getargs('name', 'data', 'baz_attr', kwargs)
super().__init__(name=name, data=data)
self.__baz_attr = baz_attr
@property
def baz_attr(self):
return self.__baz_attr
class BazHolder(Container):
@docval({'name': 'name', 'type': str, 'doc': 'the name of this Baz'},
{'name': 'bazs', 'type': list, 'doc': 'some Baz data', 'default': list()})
def __init__(self, **kwargs):
name, bazs = getargs('name', 'bazs', kwargs)
super().__init__(name=name)
self.__bazs = {b.name: b for b in bazs} # note: collections of groups are unordered in HDF5
for b in bazs:
b.parent = self
@property
def bazs(self):
return self.__bazs
class BazSpecMixin:
def setUp(self):
self.setUpBazSpec()
self.spec_catalog = SpecCatalog()
self.spec_catalog.register_spec(self.baz_spec, 'test.yaml')
self.namespace = SpecNamespace('a test namespace', CORE_NAMESPACE, [{'source': 'test.yaml'}],
version='0.1.0',
catalog=self.spec_catalog)
self.namespace_catalog = NamespaceCatalog()
self.namespace_catalog.add_namespace(CORE_NAMESPACE, self.namespace)
self.type_map = TypeMap(self.namespace_catalog)
self.type_map.register_container_type(CORE_NAMESPACE, 'Baz', Baz)
self.type_map.register_map(Baz, ObjectMapper)
self.manager = BuildManager(self.type_map)
self.mapper = ObjectMapper(self.baz_spec)
def setUpBazSpec(self):
raise NotImplementedError('Test must implement this method.')
class TestDataMap(BazSpecMixin, TestCase):
def setUp(self):
self.setUpBazSpec()
self.spec_catalog = SpecCatalog()
self.spec_catalog.register_spec(self.baz_spec, 'test.yaml')
self.namespace = SpecNamespace('a test namespace', CORE_NAMESPACE, [{'source': 'test.yaml'}],
version='0.1.0',
catalog=self.spec_catalog)
self.namespace_catalog = NamespaceCatalog()
self.namespace_catalog.add_namespace(CORE_NAMESPACE, self.namespace)
self.type_map = TypeMap(self.namespace_catalog)
self.type_map.register_container_type(CORE_NAMESPACE, 'Baz', Baz)
self.type_map.register_map(Baz, ObjectMapper)
self.manager = BuildManager(self.type_map)
self.mapper = ObjectMapper(self.baz_spec)
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='an Baz type',
dtype='int',
name='MyBaz',
data_type_def='Baz',
shape=[None],
attributes=[AttributeSpec('baz_attr', 'an example string attribute', 'text')]
)
def test_build(self):
''' Test default mapping functionality when no attributes are nested '''
container = Baz('MyBaz', list(range(10)), 'abcdefghijklmnopqrstuvwxyz')
builder = self.mapper.build(container, self.manager)
expected = DatasetBuilder('MyBaz', list(range(10)), attributes={'baz_attr': 'abcdefghijklmnopqrstuvwxyz'})
self.assertBuilderEqual(builder, expected)
def test_build_empty_data(self):
"""Test building of a Data object with empty data."""
baz_inc_spec = DatasetSpec(doc='doc', data_type_inc='Baz', quantity=ZERO_OR_MANY)
baz_holder_spec = GroupSpec(doc='doc', data_type_def='BazHolder', datasets=[baz_inc_spec])
self.spec_catalog.register_spec(baz_holder_spec, 'test.yaml')
self.type_map.register_container_type(CORE_NAMESPACE, 'BazHolder', BazHolder)
self.holder_mapper = ObjectMapper(baz_holder_spec)
baz = Baz('MyBaz', [], 'abcdefghijklmnopqrstuvwxyz')
holder = BazHolder('holder', [baz])
builder = self.holder_mapper.build(holder, self.manager)
expected = GroupBuilder(
name='holder',
datasets=[DatasetBuilder(
name='MyBaz',
data=[],
attributes={'baz_attr': 'abcdefghijklmnopqrstuvwxyz',
'data_type': 'Baz',
'namespace': 'test_core',
'object_id': baz.object_id}
)]
)
self.assertBuilderEqual(builder, expected)
def test_append(self):
with h5py.File('test.h5', 'w') as file:
test_ds = file.create_dataset('test_ds', data=[1, 2, 3], chunks=True, maxshape=(None,))
container = Baz('MyBaz', test_ds, 'abcdefghijklmnopqrstuvwxyz')
container.append(4)
np.testing.assert_array_equal(container[:], [1, 2, 3, 4])
os.remove('test.h5')
def test_extend(self):
with h5py.File('test.h5', 'w') as file:
test_ds = file.create_dataset('test_ds', data=[1, 2, 3], chunks=True, maxshape=(None,))
container = Baz('MyBaz', test_ds, 'abcdefghijklmnopqrstuvwxyz')
container.extend([4, 5])
np.testing.assert_array_equal(container[:], [1, 2, 3, 4, 5])
os.remove('test.h5')
class BazScalar(Data):
@docval({'name': 'name', 'type': str, 'doc': 'the name of this BazScalar'},
{'name': 'data', 'type': int, 'doc': 'some data'})
def __init__(self, **kwargs):
super().__init__(**kwargs)
class TestDataMapScalar(TestCase):
def setUp(self):
self.setUpBazSpec()
self.spec_catalog = SpecCatalog()
self.spec_catalog.register_spec(self.baz_spec, 'test.yaml')
self.namespace = SpecNamespace('a test namespace', CORE_NAMESPACE, [{'source': 'test.yaml'}],
version='0.1.0',
catalog=self.spec_catalog)
self.namespace_catalog = NamespaceCatalog()
self.namespace_catalog.add_namespace(CORE_NAMESPACE, self.namespace)
self.type_map = TypeMap(self.namespace_catalog)
self.type_map.register_container_type(CORE_NAMESPACE, 'BazScalar', BazScalar)
self.type_map.register_map(BazScalar, ObjectMapper)
self.manager = BuildManager(self.type_map)
self.mapper = ObjectMapper(self.baz_spec)
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='a BazScalar type',
dtype='int',
name='MyBaz',
data_type_def='BazScalar'
)
def test_construct_scalar_dataset(self):
"""Test constructing a Data object with an h5py.Dataset with shape (1, ) for scalar spec."""
with h5py.File('test.h5', 'w') as file:
test_ds = file.create_dataset('test_ds', data=[1])
expected = BazScalar(
name='MyBaz',
data=1,
)
builder = DatasetBuilder(
name='MyBaz',
data=test_ds,
attributes={'data_type': 'BazScalar',
'namespace': CORE_NAMESPACE,
'object_id': expected.object_id},
)
container = self.mapper.construct(builder, self.manager)
self.assertTrue(np.issubdtype(type(container.data), np.integer)) # as opposed to h5py.Dataset
self.assertContainerEqual(container, expected)
os.remove('test.h5')
class BazScalarCompound(Data):
@docval({'name': 'name', 'type': str, 'doc': 'the name of this BazScalar'},
{'name': 'data', 'type': 'array_data', 'doc': 'some data'})
def __init__(self, **kwargs):
super().__init__(**kwargs)
class TestDataMapScalarCompound(TestCase):
def setUp(self):
self.setUpBazSpec()
self.spec_catalog = SpecCatalog()
self.spec_catalog.register_spec(self.baz_spec, 'test.yaml')
self.namespace = SpecNamespace('a test namespace', CORE_NAMESPACE, [{'source': 'test.yaml'}],
version='0.1.0',
catalog=self.spec_catalog)
self.namespace_catalog = NamespaceCatalog()
self.namespace_catalog.add_namespace(CORE_NAMESPACE, self.namespace)
self.type_map = TypeMap(self.namespace_catalog)
self.type_map.register_container_type(CORE_NAMESPACE, 'BazScalarCompound', BazScalarCompound)
self.type_map.register_map(BazScalarCompound, ObjectMapper)
self.manager = BuildManager(self.type_map)
self.mapper = ObjectMapper(self.baz_spec)
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='a BazScalarCompound type',
dtype=[
DtypeSpec(
name='id',
dtype='uint64',
doc='The unique identifier in this table.'
),
DtypeSpec(
name='attr1',
dtype='text',
doc='A text attribute.'
),
],
name='MyBaz',
data_type_def='BazScalarCompound',
)
def test_construct_scalar_compound_dataset(self):
"""Test construct on a compound h5py.Dataset with shape (1, ) for scalar spec does not resolve the data."""
with h5py.File('test.h5', 'w') as file:
comp_type = np.dtype([('id', np.uint64), ('attr1', h5py.special_dtype(vlen=str))])
test_ds = file.create_dataset(
name='test_ds',
data=np.array((1, 'text'), dtype=comp_type),
shape=(1, ),
dtype=comp_type
)
expected = BazScalarCompound(
name='MyBaz',
data=(1, 'text'),
)
builder = DatasetBuilder(
name='MyBaz',
data=test_ds,
attributes={'data_type': 'BazScalarCompound',
'namespace': CORE_NAMESPACE,
'object_id': expected.object_id},
)
container = self.mapper.construct(builder, self.manager)
self.assertEqual(type(container.data), h5py.Dataset)
self.assertContainerEqual(container, expected)
os.remove('test.h5')
class BuildDatasetOfReferencesMixin:
def setUp(self):
self.setUpBazSpec()
self.foo_spec = GroupSpec(
doc='A test group specification with a data type',
data_type_def='Foo',
datasets=[
DatasetSpec(name='my_data', doc='an example dataset', dtype='int')
],
attributes=[
AttributeSpec(name='attr1', doc='an example string attribute', dtype='text'),
AttributeSpec(name='attr2', doc='an example int attribute', dtype='int'),
AttributeSpec(name='attr3', doc='an example float attribute', dtype='float')
]
)
self.spec_catalog = SpecCatalog()
self.spec_catalog.register_spec(self.baz_spec, 'test.yaml')
self.spec_catalog.register_spec(self.foo_spec, 'test.yaml')
self.namespace = SpecNamespace('a test namespace', CORE_NAMESPACE, [{'source': 'test.yaml'}],
version='0.1.0',
catalog=self.spec_catalog)
self.namespace_catalog = NamespaceCatalog()
self.namespace_catalog.add_namespace(CORE_NAMESPACE, self.namespace)
self.type_map = TypeMap(self.namespace_catalog)
self.type_map.register_container_type(CORE_NAMESPACE, 'Baz', Baz)
self.type_map.register_container_type(CORE_NAMESPACE, 'Foo', Foo)
self.type_map.register_map(Baz, ObjectMapper)
self.type_map.register_map(Foo, ObjectMapper)
self.manager = BuildManager(self.type_map)
class TestBuildUntypedDatasetOfReferences(BuildDatasetOfReferencesMixin, TestCase):
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='a list of references to Foo objects',
dtype=None,
name='MyBaz',
shape=[None],
data_type_def='Baz',
attributes=[AttributeSpec('baz_attr', 'an example string attribute', 'text')]
)
def test_build(self):
''' Test default mapping functionality when no attributes are nested '''
foo = Foo('my_foo1', [1, 2, 3], 'string', 10)
baz = Baz('MyBaz', [foo, None], 'abcdefghijklmnopqrstuvwxyz')
foo_builder = self.manager.build(foo)
baz_builder = self.manager.build(baz, root=True)
expected = DatasetBuilder('MyBaz', [ReferenceBuilder(foo_builder), None],
attributes={'baz_attr': 'abcdefghijklmnopqrstuvwxyz',
'data_type': 'Baz',
'namespace': CORE_NAMESPACE,
'object_id': baz.object_id})
self.assertBuilderEqual(baz_builder, expected)
class TestBuildCompoundDatasetOfReferences(BuildDatasetOfReferencesMixin, TestCase):
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='a list of references to Foo objects',
dtype=[
DtypeSpec(
name='id',
dtype='uint64',
doc='The unique identifier in this table.'
),
DtypeSpec(
name='foo',
dtype=RefSpec('Foo', 'object'),
doc='The foo in this table.'
),
],
name='MyBaz',
shape=[None],
data_type_def='Baz',
attributes=[AttributeSpec('baz_attr', 'an example string attribute', 'text')]
)
def test_build(self):
''' Test default mapping functionality when no attributes are nested '''
foo = Foo('my_foo1', [1, 2, 3], 'string', 10)
baz = Baz('MyBaz', [(1, foo)], 'abcdefghijklmnopqrstuvwxyz')
foo_builder = self.manager.build(foo)
baz_builder = self.manager.build(baz, root=True)
expected = DatasetBuilder('MyBaz', [(1, ReferenceBuilder(foo_builder))],
attributes={'baz_attr': 'abcdefghijklmnopqrstuvwxyz',
'data_type': 'Baz',
'namespace': CORE_NAMESPACE,
'object_id': baz.object_id})
self.assertBuilderEqual(baz_builder, expected)
class TestBuildTypedDatasetOfReferences(BuildDatasetOfReferencesMixin, TestCase):
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='a list of references to Foo objects',
dtype=RefSpec('Foo', 'object'),
name='MyBaz',
shape=[None],
data_type_def='Baz',
attributes=[AttributeSpec('baz_attr', 'an example string attribute', 'text')]
)
def test_build(self):
''' Test default mapping functionality when no attributes are nested '''
foo = Foo('my_foo1', [1, 2, 3], 'string', 10)
baz = Baz('MyBaz', [foo], 'abcdefghijklmnopqrstuvwxyz')
foo_builder = self.manager.build(foo)
baz_builder = self.manager.build(baz, root=True)
expected = DatasetBuilder('MyBaz', [ReferenceBuilder(foo_builder)],
attributes={'baz_attr': 'abcdefghijklmnopqrstuvwxyz',
'data_type': 'Baz',
'namespace': CORE_NAMESPACE,
'object_id': baz.object_id})
self.assertBuilderEqual(baz_builder, expected)
class TestBuildDatasetOfReferencesUnbuiltTarget(BuildDatasetOfReferencesMixin, TestCase):
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='a list of references to Foo objects',
dtype=None,
name='MyBaz',
shape=[None],
data_type_def='Baz',
attributes=[AttributeSpec('baz_attr', 'an example string attribute', 'text')]
)
def test_build(self):
''' Test default mapping functionality when no attributes are nested '''
foo = Foo('my_foo1', [1, 2, 3], 'string', 10)
baz = Baz('MyBaz', [foo], 'abcdefghijklmnopqrstuvwxyz')
msg = "MyBaz (MyBaz): Could not find already-built Builder for Foo 'my_foo1' in BuildManager"
with self.assertRaisesWith(ReferenceTargetNotBuiltError, msg):
self.manager.build(baz, root=True)
class TestDataIOEdgeCases(TestCase):
def setUp(self):
self.setUpBazSpec()
self.spec_catalog = SpecCatalog()
self.spec_catalog.register_spec(self.baz_spec, 'test.yaml')
self.namespace = SpecNamespace('a test namespace', CORE_NAMESPACE, [{'source': 'test.yaml'}],
version='0.1.0',
catalog=self.spec_catalog)
self.namespace_catalog = NamespaceCatalog()
self.namespace_catalog.add_namespace(CORE_NAMESPACE, self.namespace)
self.type_map = TypeMap(self.namespace_catalog)
self.type_map.register_container_type(CORE_NAMESPACE, 'Baz', Baz)
self.type_map.register_map(Baz, ObjectMapper)
self.manager = BuildManager(self.type_map)
self.mapper = ObjectMapper(self.baz_spec)
def setUpBazSpec(self):
self.baz_spec = DatasetSpec(
doc='an Baz type',
dtype=None,
name='MyBaz',
data_type_def='Baz',
shape=[None],
attributes=[AttributeSpec('baz_attr', 'an example string attribute', 'text')]
)
def test_build_dataio(self):
"""Test building of a dataset with data_type and no dtype with value DataIO."""
container = Baz('my_baz', H5DataIO(['a', 'b', 'c', 'd'], chunks=True), 'value1')
builder = self.type_map.build(container)
self.assertIsInstance(builder.get('data'), H5DataIO)
def test_build_datachunkiterator(self):
"""Test building of a dataset with data_type and no dtype with value DataChunkIterator."""
container = Baz('my_baz', DataChunkIterator(['a', 'b', 'c', 'd']), 'value1')
builder = self.type_map.build(container)
self.assertIsInstance(builder.get('data'), DataChunkIterator)
def test_build_dataio_datachunkiterator(self): # hdmf#512
"""Test building of a dataset with no dtype and no data_type with value DataIO wrapping a DCI."""
container = Baz('my_baz', H5DataIO(DataChunkIterator(['a', 'b', 'c', 'd']), chunks=True), 'value1')
builder = self.type_map.build(container)
self.assertIsInstance(builder.get('data'), H5DataIO)
self.assertIsInstance(builder.get('data').data, DataChunkIterator)
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