def test_item_properties(tmp_dir_fixture): # NOQA
from dtoolcore.storagebroker import DiskStorageBroker
destination_path = os.path.join(tmp_dir_fixture, 'my_proto_dataset')
storagebroker = DiskStorageBroker(destination_path)
storagebroker.create_structure()
input_file_path = os.path.join(TEST_SAMPLE_DATA, 'tiny.png')
storagebroker.put_item(fpath=input_file_path, relpath='tiny.png')
handles = list(storagebroker.iter_item_handles())
handle = handles[0]
item_properties = storagebroker.item_properties(handle)
# Check size_in_bytes property
assert item_properties['size_in_bytes'] == 276
# Check timestamp property
assert 'utc_timestamp' in item_properties
time_from_item = datetime.datetime.fromtimestamp(float(
item_properties['utc_timestamp']),
tz=pytz.UTC)
time.sleep(0.1) # Make tests more robust on Windows.
time_delta = datetime.datetime.now(tz=pytz.UTC) - time_from_item
assert time_delta.days == 0
assert time_delta.seconds < 20
# Check hash property
from dtoolcore.filehasher import md5sum_hexdigest
expected_hash = md5sum_hexdigest(input_file_path)
assert item_properties['hash'] == expected_hash
# Check relpath property
assert item_properties['relpath'] == 'tiny.png'
def test_proto_dataset_freeze_functional(tmp_uuid_and_uri): # NOQA
uuid, dest_uri = tmp_uuid_and_uri
from dtoolcore import (generate_admin_metadata, DataSet, ProtoDataSet,
DtoolCoreTypeError)
from dtoolcore.utils import generate_identifier
name = "func_test_dataset_freeze"
admin_metadata = generate_admin_metadata(name)
admin_metadata["uuid"] = uuid
sample_data_path = os.path.join(TEST_SAMPLE_DATA)
proto_dataset = ProtoDataSet(uri=dest_uri,
admin_metadata=admin_metadata,
config_path=None)
proto_dataset.create()
filenames = ['tiny.png', 'actually_a_png.txt', 'another_file.txt']
for filename in filenames:
local_file_path = os.path.join(sample_data_path, filename)
proto_dataset.put_item(local_file_path, filename)
proto_dataset.add_item_metadata(filename, 'namelen', len(filename))
proto_dataset.add_item_metadata(filename, 'firstletter', filename[0])
# At this point the temporary fragments should exist.
assert _prefix_contains_something(
proto_dataset._storage_broker,
proto_dataset._storage_broker.fragments_key_prefix)
proto_dataset.put_readme(content='Hello world!')
# We shouldn't be able to load this as a DataSet
with pytest.raises(DtoolCoreTypeError):
DataSet.from_uri(dest_uri)
proto_dataset.freeze()
# Freezing removes the temporary metadata fragments.
assert not _prefix_contains_something(
proto_dataset._storage_broker,
proto_dataset._storage_broker.fragments_key_prefix)
# Now we shouln't be able to load as a ProtoDataSet
with pytest.raises(DtoolCoreTypeError):
ProtoDataSet.from_uri(dest_uri)
# But we can as a DataSet
dataset = DataSet.from_uri(dest_uri)
assert dataset.name == 'func_test_dataset_freeze'
# Test identifiers
expected_identifiers = map(generate_identifier, filenames)
assert set(dataset.identifiers) == set(expected_identifiers)
# Test readme contents
assert dataset.get_readme_content() == "Hello world!"
# Test item
expected_identifier = generate_identifier('tiny.png')
expected_hash = md5sum_hexdigest(os.path.join(sample_data_path,
'tiny.png'))
item_properties = dataset.item_properties(expected_identifier)
assert item_properties['relpath'] == 'tiny.png'
assert item_properties['size_in_bytes'] == 276
assert item_properties['hash'] == expected_hash
# Test accessing item
expected_identifier = generate_identifier('another_file.txt')
fpath = dataset.item_content_abspath(expected_identifier)
with open(fpath) as fh:
contents = fh.read()
assert contents == "Hello\n"
# Test overlays have been created properly
namelen_overlay = dataset.get_overlay('namelen')
expected_identifier = generate_identifier('another_file.txt')
assert namelen_overlay[expected_identifier] == len('another_file.txt')
def test_creation_and_reading(tmp_uuid_and_uri): # NOQA
from dtoolcore import ProtoDataSet, generate_admin_metadata
uuid, dest_uri = tmp_uuid_and_uri
name = "func_test_dataset"
admin_metadata = generate_admin_metadata(name)
admin_metadata["uuid"] = uuid
sample_data_path = os.path.join(TEST_SAMPLE_DATA)
# Create a proto dataset
proto_dataset = ProtoDataSet(uri=dest_uri,
admin_metadata=admin_metadata,
config_path=None)
proto_dataset.create()
proto_dataset.put_readme("")
assert proto_dataset.name == "func_test_dataset"
# Test reading from URI.
proto_dataset = ProtoDataSet.from_uri(dest_uri)
assert proto_dataset.name == "func_test_dataset"
# Test get/put readme.
assert proto_dataset.get_readme_content() == ""
proto_dataset.put_readme("Hello world!")
assert proto_dataset.get_readme_content() == "Hello world!"
# Test putting a local file
handle = "tiny.png"
local_file_path = os.path.join(sample_data_path, 'tiny.png')
proto_dataset.put_item(local_file_path, handle)
assert handle in list(proto_dataset._storage_broker.iter_item_handles())
# Test properties of that file
expected_hash = md5sum_hexdigest(os.path.join(sample_data_path,
'tiny.png'))
item_properties = proto_dataset._storage_broker.item_properties(handle)
assert item_properties['relpath'] == 'tiny.png'
assert item_properties['size_in_bytes'] == 276
assert item_properties['hash'] == expected_hash
assert 'utc_timestamp' in item_properties
time_from_item = datetime.datetime.fromtimestamp(float(
item_properties['utc_timestamp']),
tz=pytz.UTC)
time_delta = datetime.datetime.now(tz=pytz.UTC) - time_from_item
assert time_delta.days == 0
assert time_delta.seconds < 100
# Add metadata
proto_dataset.add_item_metadata(handle, 'foo', 'bar')
proto_dataset.add_item_metadata(handle, 'key', {
'subkey': 'subval',
'morekey': 'moreval'
})
# Test metadata retrieval
metadata = proto_dataset._storage_broker.get_item_metadata(handle)
assert metadata == {
'foo': 'bar',
'key': {
'subkey': 'subval',
'morekey': 'moreval'
}
}
# Add another item and test manifest
from dtoolcore import __version__
from dtoolcore.utils import generate_identifier
local_file_path = os.path.join(sample_data_path, 'real_text_file.txt')
proto_dataset.put_item(local_file_path, 'real_text_file.txt')
second_handle = 'real_text_file.txt'
generated_manifest = proto_dataset.generate_manifest()
assert generated_manifest['hash_function'] == 'md5sum_hexdigest'
assert generated_manifest['dtoolcore_version'] == __version__
expected_identifier = generate_identifier(second_handle)
assert expected_identifier in generated_manifest['items']
assert generated_manifest['items'][expected_identifier]['relpath'] \
== 'real_text_file.txt'
expected_hash = md5sum_hexdigest(local_file_path)
assert generated_manifest['items'][expected_identifier]['hash'] \
== expected_hash
def test_md5sum_hexdigest():
from dtoolcore.filehasher import md5sum_hexdigest
expected = "dc73192d2f81d7009ce5a1ee7bad5755"
test_file = os.path.join(TEST_SAMPLE_DATA, 'tiny.png')
actual = md5sum_hexdigest(test_file)
assert actual == expected
def test_md5sum_hexdigest():
from dtoolcore.filehasher import md5sum_hexdigest
expected = "09f7e02f1290be211da707a266f153b3"
test_file = os.path.join(TEST_SAMPLE_DATA, 'another_file.txt')
actual = md5sum_hexdigest(test_file)
assert actual == expected
