mirror of
https://github.com/galaxyproject/galaxy.git
synced 2026-09-24 16:30:27 +08:00
John Chilton
a4c38261d1
Namely tests for disk, hierarchical, and distributed stores - as well parsing.
211 lines
7.6 KiB
Python
211 lines
7.6 KiB
Python
import os
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from shutil import rmtree
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from string import Template
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from tempfile import mkdtemp
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try:
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from galaxy import objectstore
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except ImportError:
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from lwr import objectstore
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from contextlib import contextmanager
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DISK_TEST_CONFIG = """<?xml version="1.0"?>
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<object_store type="disk">
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<files_dir path="${temp_directory}/files1"/>
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<extra_dir type="temp" path="${temp_directory}/tmp1"/>
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<extra_dir type="job_work" path="${temp_directory}/job_working_directory1"/>
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</object_store>
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"""
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def test_disk_store():
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with TestConfig(DISK_TEST_CONFIG) as (directory, object_store):
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# Test no dataset with id 1 exists.
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absent_dataset = MockDataset(1)
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assert not object_store.exists(absent_dataset)
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# Write empty dataset 2 in second backend, ensure it is empty and
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# exists.
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empty_dataset = MockDataset(2)
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directory.write(b"", "files1/000/dataset_2.dat")
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assert object_store.exists(empty_dataset)
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assert object_store.empty(empty_dataset)
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# Write non-empty dataset in backend 1, test it is not emtpy & exists.
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hello_world_dataset = MockDataset(3)
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directory.write(b"Hello World!", "files1/000/dataset_3.dat")
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assert object_store.exists(hello_world_dataset)
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assert not object_store.empty(hello_world_dataset)
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# Test get_data
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data = object_store.get_data(hello_world_dataset)
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assert data == b"Hello World!"
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data = object_store.get_data(hello_world_dataset, start=1, count=6)
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assert data == b"ello W"
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# Test Size
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# Test absent and empty datasets yield size of 0.
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assert object_store.size(absent_dataset) == 0
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assert object_store.size(empty_dataset) == 0
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# Elsewise
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assert object_store.size(hello_world_dataset) > 0 # Should this always be the number of bytes?
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# Test percent used (to some degree)
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percent_store_used = object_store.get_store_usage_percent()
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assert percent_store_used > 0.0
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assert percent_store_used < 100.0
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# Test update_from_file test
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output_dataset = MockDataset(4)
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output_real_path = os.path.join(directory.temp_directory, "files1", "000", "dataset_4.dat")
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assert not os.path.exists(output_real_path)
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output_working_path = directory.write(b"NEW CONTENTS", "job_working_directory1/example_output")
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object_store.update_from_file(output_dataset, file_name=output_working_path, create=True)
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assert os.path.exists(output_real_path)
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# Test delete
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to_delete_dataset = MockDataset(5)
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to_delete_real_path = directory.write(b"content to be deleted!", "files1/000/dataset_5.dat")
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assert object_store.exists(to_delete_dataset)
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assert object_store.delete(to_delete_dataset)
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assert not object_store.exists(to_delete_dataset)
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assert not os.path.exists(to_delete_real_path)
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HIERARCHICAL_TEST_CONFIG = """<?xml version="1.0"?>
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<object_store type="hierarchical">
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<backends>
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<backend id="files1" type="disk" weight="1" order="0">
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<files_dir path="${temp_directory}/files1"/>
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<extra_dir type="temp" path="${temp_directory}/tmp1"/>
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<extra_dir type="job_work" path="${temp_directory}/job_working_directory1"/>
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</backend>
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<backend id="files2" type="disk" weight="1" order="1">
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<files_dir path="${temp_directory}/files2"/>
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<extra_dir type="temp" path="${temp_directory}/tmp2"/>
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<extra_dir type="job_work" path="${temp_directory}/job_working_directory2"/>
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</backend>
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</backends>
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</object_store>
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"""
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def test_hierarchical_store():
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with TestConfig(HIERARCHICAL_TEST_CONFIG) as (directory, object_store):
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# Test no dataset with id 1 exists.
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assert not object_store.exists(MockDataset(1))
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# Write empty dataset 2 in second backend, ensure it is empty and
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# exists.
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directory.write("", "files2/000/dataset_2.dat")
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assert object_store.exists(MockDataset(2))
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assert object_store.empty(MockDataset(2))
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# Write non-empty dataset in backend 1, test it is not emtpy & exists.
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directory.write("Hello World!", "files1/000/dataset_3.dat")
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assert object_store.exists(MockDataset(3))
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assert not object_store.empty(MockDataset(3))
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# Assert creation always happens in first backend.
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for i in range(100):
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dataset = MockDataset(100 + i)
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object_store.create(dataset)
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assert object_store.get_filename(dataset).find("files1") > 0
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DISTRIBUTED_TEST_CONFIG = """<?xml version="1.0"?>
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<object_store type="distributed">
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<backends>
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<backend id="files1" type="disk" weight="2" order="0">
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<files_dir path="${temp_directory}/files1"/>
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<extra_dir type="temp" path="${temp_directory}/tmp1"/>
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<extra_dir type="job_work" path="${temp_directory}/job_working_directory1"/>
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</backend>
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<backend id="files2" type="disk" weight="1" order="1">
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<files_dir path="${temp_directory}/files2"/>
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<extra_dir type="temp" path="${temp_directory}/tmp2"/>
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<extra_dir type="job_work" path="${temp_directory}/job_working_directory2"/>
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</backend>
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</backends>
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</object_store>
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"""
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def test_distributed_store():
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with TestConfig(DISTRIBUTED_TEST_CONFIG) as (directory, object_store):
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with __stubbed_persistence() as persisted_ids:
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for i in range(100):
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dataset = MockDataset(100 + i)
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object_store.create(dataset)
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## Test distributes datasets between backends according to weights
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backend_1_count = len([v for v in persisted_ids.values() if v == "files1"])
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backend_2_count = len([v for v in persisted_ids.values() if v == "files2"])
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assert backend_1_count > 0
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assert backend_2_count > 0
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assert backend_1_count > backend_2_count
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class TestConfig(object):
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def __init__(self, config_xml):
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self.temp_directory = mkdtemp()
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self.write(config_xml, "store.xml")
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config = MockConfig(self.temp_directory)
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self.object_store = objectstore.build_object_store_from_config(config)
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def __enter__(self):
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return self, self.object_store
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def __exit__(self, type, value, tb):
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rmtree(self.temp_directory)
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def write(self, contents, name):
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path = os.path.join(self.temp_directory, name)
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directory = os.path.dirname(path)
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if not os.path.exists(directory):
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os.makedirs(directory)
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expanded_contents = Template(contents).safe_substitute(temp_directory=self.temp_directory)
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open(path, "w").write(expanded_contents)
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return path
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class MockConfig(object):
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def __init__(self, temp_directory):
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self.file_path = temp_directory
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self.object_store_config_file = os.path.join(temp_directory, "store.xml")
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self.object_store_check_old_style = False
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self.job_working_directory = temp_directory
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self.new_file_path = temp_directory
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self.umask = 0000
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class MockDataset(object):
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def __init__(self, id):
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self.id = id
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self.object_store_id = None
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## Poor man's mocking. Need to get a real mocking library as real Galaxy development
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## dependnecy.
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PERSIST_METHOD_NAME = "create_object_in_session"
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@contextmanager
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def __stubbed_persistence():
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real_method = getattr(objectstore, PERSIST_METHOD_NAME)
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try:
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persisted_ids = {}
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def persist(object):
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persisted_ids[object.id] = object.object_store_id
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setattr(objectstore, PERSIST_METHOD_NAME, persist)
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yield persisted_ids
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finally:
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setattr(objectstore, PERSIST_METHOD_NAME, real_method)
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