-#!/usr/bin/env python
-
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import absolute_import
+from builtins import hex
+from builtins import str
+from builtins import range
+from builtins import object
import bz2
+import datetime
import gzip
import io
import mock
import os
import unittest
-import hashlib
+import time
import arvados
-from arvados import StreamReader, StreamFileReader, Range, import_manifest, export_manifest
-
-import arvados_testutil as tutil
+from arvados._ranges import Range
+from arvados.keep import KeepLocator
+from arvados.collection import Collection, CollectionReader
+from arvados.arvfile import ArvadosFile, ArvadosFileReader
+from . import arvados_testutil as tutil
+from .test_stream import StreamFileReaderTestCase, StreamRetryTestMixin
class ArvadosFileWriterTestCase(unittest.TestCase):
class MockKeep(object):
def get(self, locator, num_retries=0):
self.requests.append(locator)
return self.blocks.get(locator)
- def put(self, data):
- pdh = "%s+%i" % (hashlib.md5(data).hexdigest(), len(data))
- self.blocks[pdh] = str(data)
+ def get_from_cache(self, locator):
+ self.requests.append(locator)
+ return self.blocks.get(locator)
+ def put(self, data, num_retries=None, copies=None):
+ pdh = tutil.str_keep_locator(data)
+ self.blocks[pdh] = bytes(data)
return pdh
class MockApi(object):
def __init__(self, b, r):
- self.b = b
- self.r = r
+ self.body = b
+ self.response = r
+ self._schema = ArvadosFileWriterTestCase.MockApi.MockSchema()
+ self._rootDesc = {}
+ class MockSchema(object):
+ def __init__(self):
+ self.schemas = {'Collection': {'properties': {'replication_desired': {'type':'integer'}}}}
class MockCollections(object):
def __init__(self, b, r):
- self.b = b
- self.r = r
+ self.body = b
+ self.response = r
class Execute(object):
def __init__(self, r):
- self.r = r
+ self.response = r
def execute(self, num_retries=None):
- return self.r
- def create(self, body=None):
- if body != self.b:
- raise Exception("Body %s does not match expectation %s" % (body, self.b))
- return ArvadosFileWriterTestCase.MockApi.MockCollections.Execute(self.r)
+ return self.response
+ def create(self, ensure_unique_name=False, body=None):
+ if body != self.body:
+ raise Exception("Body %s does not match expectation %s" % (body, self.body))
+ return ArvadosFileWriterTestCase.MockApi.MockCollections.Execute(self.response)
def update(self, uuid=None, body=None):
- return ArvadosFileWriterTestCase.MockApi.MockCollections.Execute(self.r)
+ return ArvadosFileWriterTestCase.MockApi.MockCollections.Execute(self.response)
def collections(self):
- return ArvadosFileWriterTestCase.MockApi.MockCollections(self.b, self.r)
+ return ArvadosFileWriterTestCase.MockApi.MockCollections(self.body, self.response)
def test_truncate(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- api = ArvadosFileWriterTestCase.MockApi({"name":"test_truncate",
- "manifest_text":". 781e5e245d69b566979b86e28d23f2c7+10 0:8:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
- api_client=api, keep=keep) as c:
- writer = c.open("count.txt", "r+")
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ api = ArvadosFileWriterTestCase.MockApi({
+ "name": "test_truncate",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 0:8:count.txt\n",
+ "replication_desired": None,
+ }, {
+ "uuid": "zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 0:8:count.txt\n",
+ "portable_data_hash":"7fcd0eaac3aad4c31a6a0e756475da92+52",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
self.assertEqual(writer.size(), 10)
- writer.seek(5)
- self.assertEqual("56789", writer.read(8))
+ self.assertEqual(b"0123456789", writer.read(12))
+
writer.truncate(8)
- writer.seek(5, os.SEEK_SET)
- self.assertEqual("567", writer.read(8))
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- c.save_as("test_truncate")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
+ # Make sure reading off the end doesn't break
+ self.assertEqual(b"", writer.read(12))
+
+ self.assertEqual(writer.size(), 8)
+ writer.seek(0, os.SEEK_SET)
+ self.assertEqual(b"01234567", writer.read(12))
+
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ c.save_new("test_truncate")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+
+
+ def test_truncate2(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ api = ArvadosFileWriterTestCase.MockApi({
+ "name": "test_truncate2",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 7f614da9329cd3aebf59b91aadc30bf0+67108864 0:12:count.txt\n",
+ "replication_desired": None,
+ }, {
+ "uuid": "zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 7f614da9329cd3aebf59b91aadc30bf0+67108864 0:12:count.txt\n",
+ "portable_data_hash": "272da898abdf86ddc71994835e3155f8+95",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 10)
+ self.assertEqual(b"0123456789", writer.read(12))
+
+ # extend file size
+ writer.truncate(12)
+
+ self.assertEqual(writer.size(), 12)
+ writer.seek(0, os.SEEK_SET)
+ self.assertEqual(b"0123456789\x00\x00", writer.read(12))
+
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ c.save_new("test_truncate2")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+
+ def test_truncate3(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ "a925576942e94b2ef57a066101b48876+10": b"abcdefghij",
+ })
+ api = ArvadosFileWriterTestCase.MockApi({
+ "name": "test_truncate",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 0:8:count.txt\n",
+ "replication_desired": None,
+ }, {
+ "uuid": "zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 0:8:count.txt\n",
+ "portable_data_hash": "7fcd0eaac3aad4c31a6a0e756475da92+52",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:20:count.txt\n',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 20)
+ self.assertEqual(b"0123456789ab", writer.read(12))
+ self.assertEqual(12, writer.tell())
+
+ writer.truncate(8)
+
+ # Make sure reading off the end doesn't break
+ self.assertEqual(12, writer.tell())
+ self.assertEqual(b"", writer.read(12))
+
+ self.assertEqual(writer.size(), 8)
+ self.assertEqual(2, writer.seek(-10, os.SEEK_CUR))
+ self.assertEqual(b"234567", writer.read(12))
+
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ c.save_new("test_truncate")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+
+
+
+ def test_write_to_end(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ api = ArvadosFileWriterTestCase.MockApi({
+ "name": "test_append",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:13:count.txt\n",
+ "replication_desired": None,
+ }, {
+ "uuid": "zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:13:count.txt\n",
+ "portable_data_hash": "c5c3af76565c8efb6a806546bcf073f3+88",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 10)
+
+ self.assertEqual(5, writer.seek(5, os.SEEK_SET))
+ self.assertEqual(b"56789", writer.read(8))
- def test_append(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- api = ArvadosFileWriterTestCase.MockApi({"name":"test_append",
- "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:13:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
- api_client=api, keep=keep) as c:
- writer = c.open("count.txt", "r+")
- writer.seek(5, os.SEEK_SET)
- self.assertEqual("56789", writer.read(8))
writer.seek(10, os.SEEK_SET)
writer.write("foo")
self.assertEqual(writer.size(), 13)
+
writer.seek(5, os.SEEK_SET)
- self.assertEqual("56789foo", writer.read(8))
+ self.assertEqual(b"56789foo", writer.read(8))
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- self.assertEqual(None, keep.get("acbd18db4cc2f85cedef654fccc4a4d8+3"))
- c.save_as("test_append")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
- self.assertEqual("foo", keep.get("acbd18db4cc2f85cedef654fccc4a4d8+3"))
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ self.assertIsNone(keep.get("acbd18db4cc2f85cedef654fccc4a4d8+3"))
- def test_write0(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- self.assertEqual("0123456789", writer.readfrom(0, 13))
+ c.save_new("test_append")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+ self.assertEqual(b"foo", keep.get("acbd18db4cc2f85cedef654fccc4a4d8+3"))
+
+
+ def test_append(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ c = Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', keep_client=keep)
+ writer = c.open("count.txt", "ab+")
+ self.assertEqual(writer.read(20), b"0123456789")
+
+ writer.seek(0, os.SEEK_SET)
+ writer.write("hello")
+ self.assertEqual(writer.read(), b"")
+ writer.seek(-5, os.SEEK_CUR)
+ self.assertEqual(writer.read(3), b"hel")
+ self.assertEqual(writer.read(), b"lo")
+ writer.seek(0, os.SEEK_SET)
+ self.assertEqual(writer.read(), b"0123456789hello")
+
+ writer.seek(0)
+ writer.write("world")
+ self.assertEqual(writer.read(), b"")
+ writer.seek(0)
+ self.assertEqual(writer.read(), b"0123456789helloworld")
+
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 fc5e038d38a57032085441e7fe7010b0+10 0:20:count.txt\n", c.portable_manifest_text())
+
+ def test_write_at_beginning(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(b"0123456789", writer.readfrom(0, 13))
writer.seek(0, os.SEEK_SET)
writer.write("foo")
self.assertEqual(writer.size(), 10)
- self.assertEqual("foo3456789", writer.readfrom(0, 13))
- self.assertEqual(". acbd18db4cc2f85cedef654fccc4a4d8+3 781e5e245d69b566979b86e28d23f2c7+10 0:3:count.txt 6:7:count.txt\n", export_manifest(c))
+ self.assertEqual(b"foo3456789", writer.readfrom(0, 13))
+ self.assertEqual(". acbd18db4cc2f85cedef654fccc4a4d8+3 781e5e245d69b566979b86e28d23f2c7+10 0:3:count.txt 6:7:count.txt\n", c.portable_manifest_text())
- def test_write1(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- self.assertEqual("0123456789", writer.readfrom(0, 13))
+ def test_write_empty(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ with Collection(keep_client=keep) as c:
+ writer = c.open("count.txt", "wb")
+ self.assertEqual(writer.size(), 0)
+ self.assertEqual(". d41d8cd98f00b204e9800998ecf8427e+0 0:0:count.txt\n", c.portable_manifest_text())
+
+ def test_save_manifest_text(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ with Collection(keep_client=keep) as c:
+ writer = c.open("count.txt", "wb")
+ writer.write(b"0123456789")
+ self.assertEqual('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', c.portable_manifest_text())
+ self.assertNotIn('781e5e245d69b566979b86e28d23f2c7+10', keep.blocks)
+
+ self.assertEqual('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', c.save_new(create_collection_record=False))
+ self.assertIn('781e5e245d69b566979b86e28d23f2c7+10', keep.blocks)
+
+ def test_get_manifest_text_commits(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ with Collection(keep_client=keep) as c:
+ writer = c.open("count.txt", "wb")
+ writer.write("0123456789")
+ self.assertEqual('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', c.portable_manifest_text())
+ self.assertNotIn('781e5e245d69b566979b86e28d23f2c7+10', keep.blocks)
+ self.assertEqual('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', c.manifest_text())
+ self.assertIn('781e5e245d69b566979b86e28d23f2c7+10', keep.blocks)
+
+
+ def test_write_in_middle(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": b"0123456789"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(b"0123456789", writer.readfrom(0, 13))
writer.seek(3, os.SEEK_SET)
writer.write("foo")
self.assertEqual(writer.size(), 10)
- self.assertEqual("012foo6789", writer.readfrom(0, 13))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:count.txt 10:3:count.txt 6:4:count.txt\n", export_manifest(c))
-
- def test_write2(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- self.assertEqual("0123456789", writer.readfrom(0, 13))
+ self.assertEqual(b"012foo6789", writer.readfrom(0, 13))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:count.txt 10:3:count.txt 6:4:count.txt\n", c.portable_manifest_text())
+
+ def test_write_at_end(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": b"0123456789"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(b"0123456789", writer.readfrom(0, 13))
writer.seek(7, os.SEEK_SET)
writer.write("foo")
self.assertEqual(writer.size(), 10)
- self.assertEqual("0123456foo", writer.readfrom(0, 13))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:7:count.txt 10:3:count.txt\n", export_manifest(c))
-
- def test_write3(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt 0:10:count.txt\n',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- self.assertEqual("012345678901234", writer.readfrom(0, 15))
+ self.assertEqual(b"0123456foo", writer.readfrom(0, 13))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:7:count.txt 10:3:count.txt\n", c.portable_manifest_text())
+
+ def test_write_across_segment_boundary(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": b"0123456789"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt 0:10:count.txt\n',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(b"012345678901234", writer.readfrom(0, 15))
writer.seek(7, os.SEEK_SET)
writer.write("foobar")
self.assertEqual(writer.size(), 20)
- self.assertEqual("0123456foobar34", writer.readfrom(0, 15))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 3858f62230ac3c915f300c664312c63f+6 0:7:count.txt 10:6:count.txt 3:7:count.txt\n", export_manifest(c))
-
- def test_write4(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:4:count.txt 0:4:count.txt 0:4:count.txt',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- self.assertEqual("012301230123", writer.readfrom(0, 15))
+ self.assertEqual(b"0123456foobar34", writer.readfrom(0, 15))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 3858f62230ac3c915f300c664312c63f+6 0:7:count.txt 10:6:count.txt 3:7:count.txt\n", c.portable_manifest_text())
+
+ def test_write_across_several_segments(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": b"0123456789"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:4:count.txt 0:4:count.txt 0:4:count.txt',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(b"012301230123", writer.readfrom(0, 15))
writer.seek(2, os.SEEK_SET)
writer.write("abcdefg")
self.assertEqual(writer.size(), 12)
- self.assertEqual("01abcdefg123", writer.readfrom(0, 15))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 7ac66c0f148de9519b8bd264312c4d64+7 0:2:count.txt 10:7:count.txt 1:3:count.txt\n", export_manifest(c))
+ self.assertEqual(b"01abcdefg123", writer.readfrom(0, 15))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 7ac66c0f148de9519b8bd264312c4d64+7 0:2:count.txt 10:7:count.txt 1:3:count.txt\n", c.portable_manifest_text())
def test_write_large(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
api = ArvadosFileWriterTestCase.MockApi({"name":"test_write_large",
- "manifest_text": ". a5de24f4417cfba9d5825eadc2f4ca49+67108000 598cc1a4ccaef8ab6e4724d87e675d78+32892000 0:100000000:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with import_manifest('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
- api_client=api, keep=keep) as c:
- writer = c.open("count.txt", "r+")
- text = ''.join(["0123456789" for a in xrange(0, 100)])
- for b in xrange(0, 100000):
+ "manifest_text": ". a5de24f4417cfba9d5825eadc2f4ca49+67108000 598cc1a4ccaef8ab6e4724d87e675d78+32892000 0:100000000:count.txt\n",
+ "replication_desired":None},
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". a5de24f4417cfba9d5825eadc2f4ca49+67108000 598cc1a4ccaef8ab6e4724d87e675d78+32892000 0:100000000:count.txt\n",
+ "portable_data_hash":"9132ca8e3f671c76103a38f5bc24328c+108"})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ text = "0123456789" * 100
+ for b in range(0, 100000):
writer.write(text)
self.assertEqual(writer.size(), 100000000)
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- c.save_as("test_write_large")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ c.save_new("test_write_large")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+
+
+ def test_large_write(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ api = ArvadosFileWriterTestCase.MockApi({}, {})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 0)
+
+ text = "0123456789"
+ writer.write(text)
+ text = "0123456789" * 9999999
+ writer.write(text)
+ self.assertEqual(writer.size(), 100000000)
+
+ self.assertEqual(c.manifest_text(), ". 781e5e245d69b566979b86e28d23f2c7+10 48dd23ea1645fd47d789804d71b5bb8e+67108864 77c57dc6ac5a10bb2205caaa73187994+32891126 0:100000000:count.txt\n")
+
+ def test_sparse_write(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ api = ArvadosFileWriterTestCase.MockApi({}, {})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 0)
+
+ text = b"0123456789"
+ writer.seek(2)
+ writer.write(text)
+ self.assertEqual(writer.size(), 12)
+ writer.seek(0, os.SEEK_SET)
+ self.assertEqual(writer.read(), b"\x00\x00"+text)
+
+ self.assertEqual(c.manifest_text(), ". 7f614da9329cd3aebf59b91aadc30bf0+67108864 781e5e245d69b566979b86e28d23f2c7+10 0:2:count.txt 67108864:10:count.txt\n")
+
+
+ def test_sparse_write2(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ api = ArvadosFileWriterTestCase.MockApi({}, {})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 0)
+
+ text = "0123456789"
+ writer.seek((arvados.config.KEEP_BLOCK_SIZE*2) + 2)
+ writer.write(text)
+ self.assertEqual(writer.size(), (arvados.config.KEEP_BLOCK_SIZE*2) + 12)
+ writer.seek(0, os.SEEK_SET)
+
+ self.assertEqual(c.manifest_text(), ". 7f614da9329cd3aebf59b91aadc30bf0+67108864 781e5e245d69b566979b86e28d23f2c7+10 0:67108864:count.txt 0:67108864:count.txt 0:2:count.txt 67108864:10:count.txt\n")
+
+
+ def test_sparse_write3(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ api = ArvadosFileWriterTestCase.MockApi({}, {})
+ for r in [[0, 1, 2, 3, 4], [4, 3, 2, 1, 0], [3, 2, 0, 4, 1]]:
+ with Collection() as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 0)
+
+ for i in r:
+ w = ("%s" % i) * 10
+ writer.seek(i*10)
+ writer.write(w.encode())
+ writer.seek(0)
+ self.assertEqual(writer.read(), b"00000000001111111111222222222233333333334444444444")
+
+ def test_sparse_write4(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ api = ArvadosFileWriterTestCase.MockApi({}, {})
+ for r in [[0, 1, 2, 4], [4, 2, 1, 0], [2, 0, 4, 1]]:
+ with Collection() as c:
+ writer = c.open("count.txt", "rb+")
+ self.assertEqual(writer.size(), 0)
+
+ for i in r:
+ w = ("%s" % i) * 10
+ writer.seek(i*10)
+ writer.write(w.encode())
+ writer.seek(0)
+ self.assertEqual(writer.read(), b"000000000011111111112222222222\x00\x00\x00\x00\x00\x00\x00\x00\x00\x004444444444")
- def test_write_rewrite0(self):
+
+ def test_rewrite_on_empty_file(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
- with import_manifest('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- for b in xrange(0, 10):
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ for b in range(0, 10):
writer.seek(0, os.SEEK_SET)
writer.write("0123456789")
- writer.arvadosfile._repack_writes()
- self.assertEqual(writer.size(), 10)
- self.assertEqual("0123456789", writer.readfrom(0, 20))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n", export_manifest(c))
- def test_write_rewrite1(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- for b in xrange(0, 10):
+ self.assertEqual(writer.size(), 10)
+ self.assertEqual(b"0123456789", writer.readfrom(0, 20))
+ self.assertEqual(". 7a08b07e84641703e5f2c836aa59a170+100 90:10:count.txt\n", c.portable_manifest_text())
+ writer.flush()
+ self.assertEqual(writer.size(), 10)
+ self.assertEqual(b"0123456789", writer.readfrom(0, 20))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n", c.portable_manifest_text())
+
+ def test_rewrite_append_existing_file(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ for b in range(0, 10):
writer.seek(10, os.SEEK_SET)
writer.write("abcdefghij")
- writer.arvadosfile._repack_writes()
+
self.assertEqual(writer.size(), 20)
- self.assertEqual("0123456789abcdefghij", writer.readfrom(0, 20))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:20:count.txt\n", export_manifest(c))
+ self.assertEqual(b"0123456789abcdefghij", writer.readfrom(0, 20))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 ae5f43bab79cf0be33f025fa97ae7398+100 0:10:count.txt 100:10:count.txt\n", c.portable_manifest_text())
- def test_write_rewrite2(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
- keep=keep) as c:
- writer = c.open("count.txt", "r+")
- for b in xrange(0, 10):
+ writer.arvadosfile.flush()
+ self.assertEqual(writer.size(), 20)
+ self.assertEqual(b"0123456789abcdefghij", writer.readfrom(0, 20))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:20:count.txt\n", c.portable_manifest_text())
+
+ def test_rewrite_over_existing_file(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
+ keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ for b in range(0, 10):
writer.seek(5, os.SEEK_SET)
writer.write("abcdefghij")
- writer.arvadosfile._repack_writes()
+
self.assertEqual(writer.size(), 15)
- self.assertEqual("01234abcdefghij", writer.readfrom(0, 20))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:5:count.txt 10:10:count.txt\n", export_manifest(c))
+ self.assertEqual(b"01234abcdefghij", writer.readfrom(0, 20))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 ae5f43bab79cf0be33f025fa97ae7398+100 0:5:count.txt 100:10:count.txt\n", c.portable_manifest_text())
- def test_write_large_rewrite0(self):
+ writer.arvadosfile.flush()
+
+ self.assertEqual(writer.size(), 15)
+ self.assertEqual(b"01234abcdefghij", writer.readfrom(0, 20))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:5:count.txt 10:10:count.txt\n", c.portable_manifest_text())
+
+ def test_write_large_rewrite(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
api = ArvadosFileWriterTestCase.MockApi({"name":"test_write_large",
- "manifest_text": ". 37400a68af9abdd76ca5bf13e819e42a+32892003 a5de24f4417cfba9d5825eadc2f4ca49+67108000 32892000:3:count.txt 32892006:67107997:count.txt 0:32892000:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with import_manifest('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
- api_client=api, keep=keep) as c:
- writer = c.open("count.txt", "r+")
- text = ''.join(["0123456789" for a in xrange(0, 100)])
- for b in xrange(0, 100000):
+ "manifest_text": ". 3dc0d4bc21f48060bedcb2c91af4f906+32892003 a5de24f4417cfba9d5825eadc2f4ca49+67108000 0:3:count.txt 32892006:67107997:count.txt 3:32892000:count.txt\n",
+ "replication_desired":None},
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 3dc0d4bc21f48060bedcb2c91af4f906+32892003 a5de24f4417cfba9d5825eadc2f4ca49+67108000 0:3:count.txt 32892006:67107997:count.txt 3:32892000:count.txt\n",
+ "portable_data_hash":"217665c6b713e1b78dfba7ebd42344db+156"})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "rb+")
+ text = b''.join([b"0123456789" for a in range(0, 100)])
+ for b in range(0, 100000):
writer.write(text)
writer.seek(0, os.SEEK_SET)
writer.write("foo")
self.assertEqual(writer.size(), 100000000)
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- c.save_as("test_write_large")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ c.save_new("test_write_large")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
def test_create(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
- api = ArvadosFileWriterTestCase.MockApi({"name":"test_create",
- "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with arvados.Collection(api_client=api, keep_client=keep) as c:
- writer = c.open("count.txt", "w+")
+ api = ArvadosFileWriterTestCase.MockApi({
+ "name":"test_create",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n",
+ "replication_desired":None,
+ }, {
+ "uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n",
+ "portable_data_hash":"7a461a8c58601798f690f8b368ac4423+51",
+ })
+ with Collection(api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "wb+")
self.assertEqual(writer.size(), 0)
writer.write("01234567")
self.assertEqual(writer.size(), 8)
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- self.assertEqual(None, keep.get("2e9ec317e197819358fbc43afca7d837+8"))
- c.save_as("test_create")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
- self.assertEqual("01234567", keep.get("2e9ec317e197819358fbc43afca7d837+8"))
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ self.assertIsNone(keep.get("2e9ec317e197819358fbc43afca7d837+8"))
+ c.save_new("test_create")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+ self.assertEqual(b"01234567", keep.get("2e9ec317e197819358fbc43afca7d837+8"))
def test_create_subdir(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
api = ArvadosFileWriterTestCase.MockApi({"name":"test_create",
- "manifest_text":"./foo/bar 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with arvados.Collection(api_client=api, keep_client=keep) as c:
- writer = c.open("foo/bar/count.txt", "w+")
+ "manifest_text":"./foo/bar 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n",
+ "replication_desired":None},
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":"./foo/bar 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n",
+ "portable_data_hash":"1b02aaa62528d28a5be41651cbb9d7c7+59"})
+ with Collection(api_client=api, keep_client=keep) as c:
+ self.assertIsNone(c.api_response())
+ writer = c.open("foo/bar/count.txt", "wb+")
writer.write("01234567")
- c.save_as("test_create")
+ self.assertFalse(c.committed())
+ c.save_new("test_create")
+ self.assertTrue(c.committed())
+ self.assertEqual(c.api_response(), api.response)
def test_overwrite(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
api = ArvadosFileWriterTestCase.MockApi({"name":"test_overwrite",
- "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
- api_client=api, keep=keep) as c:
- writer = c.open("count.txt", "w+")
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n",
+ "replication_desired":None},
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n",
+ "portable_data_hash":"7a461a8c58601798f690f8b368ac4423+51"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ api_client=api, keep_client=keep) as c:
+ writer = c.open("count.txt", "wb+")
self.assertEqual(writer.size(), 0)
writer.write("01234567")
self.assertEqual(writer.size(), 8)
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- c.save_as("test_overwrite")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ c.save_new("test_overwrite")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
def test_file_not_found(self):
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n') as c:
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n') as c:
with self.assertRaises(IOError):
- writer = c.open("nocount.txt", "r")
+ writer = c.open("nocount.txt", "rb")
def test_cannot_open_directory(self):
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n') as c:
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n') as c:
with self.assertRaises(IOError):
- writer = c.open(".", "r")
+ writer = c.open(".", "rb")
def test_create_multiple(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
api = ArvadosFileWriterTestCase.MockApi({"name":"test_create_multiple",
- "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:8:count1.txt 8:8:count2.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with arvados.Collection(api_client=api, keep_client=keep) as c:
- w1 = c.open("count1.txt", "w")
- w2 = c.open("count2.txt", "w")
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:8:count1.txt 8:8:count2.txt\n",
+ "replication_desired":None},
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:8:count1.txt 8:8:count2.txt\n",
+ "portable_data_hash":"71e7bb6c00d31fc2b4364199fd97be08+102"})
+ with Collection(api_client=api, keep_client=keep) as c:
+ w1 = c.open("count1.txt", "wb")
+ w2 = c.open("count2.txt", "wb")
w1.write("01234567")
w2.write("abcdefgh")
self.assertEqual(w1.size(), 8)
self.assertEqual(w2.size(), 8)
- self.assertEqual(None, c._manifest_locator)
- self.assertEqual(True, c.modified())
- self.assertEqual(None, keep.get("2e9ec317e197819358fbc43afca7d837+8"))
- c.save_as("test_create_multiple")
- self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
- self.assertEqual(False, c.modified())
- self.assertEqual("01234567", keep.get("2e9ec317e197819358fbc43afca7d837+8"))
-
- def test_remove(self):
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt 0:10:count2.txt\n') as c:
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt 0:10:count2.txt\n", export_manifest(c))
- self.assertTrue("count1.txt" in c)
- c.remove("count1.txt")
- self.assertFalse("count1.txt" in c)
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count2.txt\n", export_manifest(c))
-
- def test_remove_in_subdir(self):
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt\n./foo 781e5e245d69b566979b86e28d23f2c7+10 0:10:count2.txt\n') as c:
- c.remove("foo/count2.txt")
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt\n", export_manifest(c))
-
- def test_remove_subdir(self):
- with import_manifest('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt\n./foo 781e5e245d69b566979b86e28d23f2c7+10 0:10:count2.txt\n') as c:
- c.remove("foo")
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt\n", export_manifest(c))
+ self.assertIsNone(c.manifest_locator())
+ self.assertTrue(c.modified())
+ self.assertIsNone(keep.get("2e9ec317e197819358fbc43afca7d837+8"))
+ c.save_new("test_create_multiple")
+ self.assertEqual("zzzzz-4zz18-mockcollection0", c.manifest_locator())
+ self.assertFalse(c.modified())
+ self.assertEqual(b"01234567", keep.get("2e9ec317e197819358fbc43afca7d837+8"))
+
+
+class ArvadosFileReaderTestCase(StreamFileReaderTestCase):
+ class MockParent(object):
+ class MockBlockMgr(object):
+ def __init__(self, blocks, nocache):
+ self.blocks = blocks
+ self.nocache = nocache
+
+ def block_prefetch(self, loc):
+ pass
+
+ def get_block_contents(self, loc, num_retries=0, cache_only=False):
+ if self.nocache and cache_only:
+ return None
+ return self.blocks[loc]
+
+ def __init__(self, blocks, nocache):
+ self.blocks = blocks
+ self.nocache = nocache
+ self.lock = arvados.arvfile.NoopLock()
+
+ def root_collection(self):
+ return self
+
+ def _my_block_manager(self):
+ return ArvadosFileReaderTestCase.MockParent.MockBlockMgr(self.blocks, self.nocache)
+
+
+ def make_count_reader(self, nocache=False):
+ stream = []
+ n = 0
+ blocks = {}
+ for d in [b'01234', b'34567', b'67890']:
+ loc = tutil.str_keep_locator(d)
+ blocks[loc] = d
+ stream.append(Range(loc, n, len(d)))
+ n += len(d)
+ af = ArvadosFile(ArvadosFileReaderTestCase.MockParent(blocks, nocache), "count.txt", stream=stream, segments=[Range(1, 0, 3), Range(6, 3, 3), Range(11, 6, 3)])
+ return ArvadosFileReader(af, mode="rb")
+
+ def test_read_block_crossing_behavior(self):
+ # read() needs to return all the data requested if possible, even if it
+ # crosses uncached blocks: https://arvados.org/issues/5856
+ sfile = self.make_count_reader(nocache=True)
+ self.assertEqual(b'12345678', sfile.read(8))
+
+ def test_successive_reads(self):
+ # Override StreamFileReaderTestCase.test_successive_reads
+ sfile = self.make_count_reader(nocache=True)
+ self.assertEqual(b'1234', sfile.read(4))
+ self.assertEqual(b'5678', sfile.read(4))
+ self.assertEqual(b'9', sfile.read(4))
+ self.assertEqual(b'', sfile.read(4))
+
+ def test_tell_after_block_read(self):
+ # Override StreamFileReaderTestCase.test_tell_after_block_read
+ sfile = self.make_count_reader(nocache=True)
+ self.assertEqual(b'12345678', sfile.read(8))
+ self.assertEqual(8, sfile.tell())
def test_prefetch(self):
- keep = ArvadosFileWriterTestCase.MockKeep({"2e9ec317e197819358fbc43afca7d837+8": "01234567", "e8dc4081b13434b45189a720b77b6818+8": "abcdefgh"})
- with import_manifest(". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:16:count.txt\n", keep=keep) as c:
- r = c.open("count.txt", "r")
- self.assertEqual("0123", r.read(4))
- self.assertEqual(["2e9ec317e197819358fbc43afca7d837+8", "2e9ec317e197819358fbc43afca7d837+8", "e8dc4081b13434b45189a720b77b6818+8"], keep.requests)
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "2e9ec317e197819358fbc43afca7d837+8": b"01234567",
+ "e8dc4081b13434b45189a720b77b6818+8": b"abcdefgh",
+ })
+ with Collection(". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:16:count.txt\n", keep_client=keep) as c:
+ r = c.open("count.txt", "rb")
+ self.assertEqual(b"0123", r.read(4))
+ self.assertIn("2e9ec317e197819358fbc43afca7d837+8", keep.requests)
+ self.assertIn("e8dc4081b13434b45189a720b77b6818+8", keep.requests)
+
+ def test__eq__from_manifest(self):
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt') as c1:
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt') as c2:
+ self.assertTrue(c1["count1.txt"] == c2["count1.txt"])
+ self.assertFalse(c1["count1.txt"] != c2["count1.txt"])
+
+ def test__eq__from_writes(self):
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt') as c1:
+ with Collection() as c2:
+ f = c2.open("count1.txt", "wb")
+ f.write("0123456789")
+
+ self.assertTrue(c1["count1.txt"] == c2["count1.txt"])
+ self.assertFalse(c1["count1.txt"] != c2["count1.txt"])
+
+ def test__ne__(self):
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt') as c1:
+ with Collection() as c2:
+ f = c2.open("count1.txt", "wb")
+ f.write("1234567890")
+
+ self.assertTrue(c1["count1.txt"] != c2["count1.txt"])
+ self.assertFalse(c1["count1.txt"] == c2["count1.txt"])
+
+
+class ArvadosFileReadTestCase(unittest.TestCase, StreamRetryTestMixin):
+ def reader_for(self, coll_name, **kwargs):
+ stream = []
+ segments = []
+ n = 0
+ for d in self.manifest_for(coll_name).split():
+ try:
+ k = KeepLocator(d)
+ segments.append(Range(n, n, k.size))
+ stream.append(Range(d, n, k.size))
+ n += k.size
+ except ValueError:
+ pass
+
+ blockmanager = arvados.arvfile._BlockManager(self.keep_client())
+ blockmanager.prefetch_enabled = False
+ col = Collection(keep_client=self.keep_client(), block_manager=blockmanager)
+ af = ArvadosFile(col, "test",
+ stream=stream,
+ segments=segments)
+ kwargs.setdefault('mode', 'rb')
+ return ArvadosFileReader(af, **kwargs)
+
+ def read_for_test(self, reader, byte_count, **kwargs):
+ return reader.read(byte_count, **kwargs)
+
+
+class ArvadosFileReadFromTestCase(ArvadosFileReadTestCase):
+ def read_for_test(self, reader, byte_count, **kwargs):
+ return reader.readfrom(0, byte_count, **kwargs)
+
+
+class ArvadosFileReadAllTestCase(ArvadosFileReadTestCase):
+ def read_for_test(self, reader, byte_count, **kwargs):
+ return b''.join(reader.readall(**kwargs))
+
+
+class ArvadosFileReadAllDecompressedTestCase(ArvadosFileReadTestCase):
+ def read_for_test(self, reader, byte_count, **kwargs):
+ return b''.join(reader.readall_decompressed(**kwargs))
+
+
+class ArvadosFileReadlinesTestCase(ArvadosFileReadTestCase):
+ def read_for_test(self, reader, byte_count, **kwargs):
+ return ''.join(reader.readlines(**kwargs)).encode()
+
+
+class ArvadosFileTestCase(unittest.TestCase):
+ def datetime_to_hex(self, dt):
+ return hex(int(time.mktime(dt.timetuple())))[2:]
+
+ def test_permission_expired(self):
+ base_manifest = ". 781e5e245d69b566979b86e28d23f2c7+10+A715fd31f8111894f717eb1003c1b0216799dd9ec@{} 0:10:count.txt\n"
+ now = datetime.datetime.now()
+ a_week_ago = now - datetime.timedelta(days=7)
+ a_month_ago = now - datetime.timedelta(days=30)
+ a_week_from_now = now + datetime.timedelta(days=7)
+ with Collection(base_manifest.format(self.datetime_to_hex(a_week_from_now))) as c:
+ self.assertFalse(c.find('count.txt').permission_expired())
+ with Collection(base_manifest.format(self.datetime_to_hex(a_week_ago))) as c:
+ f = c.find('count.txt')
+ self.assertTrue(f.permission_expired())
+ self.assertTrue(f.permission_expired(a_week_from_now))
+ self.assertFalse(f.permission_expired(a_month_ago))
+
+
+class BlockManagerTest(unittest.TestCase):
+ def test_bufferblock_append(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ with arvados.arvfile._BlockManager(keep) as blockmanager:
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ self.assertEqual(bufferblock.size(), 3)
+ self.assertEqual(bufferblock.buffer_view[0:3], b"foo")
+ self.assertEqual(bufferblock.locator(), "acbd18db4cc2f85cedef654fccc4a4d8+3")
+
+ bufferblock.append("bar")
+
+ self.assertEqual(bufferblock.size(), 6)
+ self.assertEqual(bufferblock.buffer_view[0:6], b"foobar")
+ self.assertEqual(bufferblock.locator(), "3858f62230ac3c915f300c664312c63f+6")
+
+ bufferblock.set_state(arvados.arvfile._BufferBlock.PENDING)
+ with self.assertRaises(arvados.errors.AssertionError):
+ bufferblock.append("bar")
+
+ def test_bufferblock_dup(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ with arvados.arvfile._BlockManager(keep) as blockmanager:
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ self.assertEqual(bufferblock.size(), 3)
+ self.assertEqual(bufferblock.buffer_view[0:3], b"foo")
+ self.assertEqual(bufferblock.locator(), "acbd18db4cc2f85cedef654fccc4a4d8+3")
+ bufferblock.set_state(arvados.arvfile._BufferBlock.PENDING)
+
+ bufferblock2 = blockmanager.dup_block(bufferblock, None)
+ self.assertNotEqual(bufferblock.blockid, bufferblock2.blockid)
+
+ bufferblock2.append("bar")
+
+ self.assertEqual(bufferblock2.size(), 6)
+ self.assertEqual(bufferblock2.buffer_view[0:6], b"foobar")
+ self.assertEqual(bufferblock2.locator(), "3858f62230ac3c915f300c664312c63f+6")
+
+ self.assertEqual(bufferblock.size(), 3)
+ self.assertEqual(bufferblock.buffer_view[0:3], b"foo")
+ self.assertEqual(bufferblock.locator(), "acbd18db4cc2f85cedef654fccc4a4d8+3")
+
+ def test_bufferblock_get(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({
+ "781e5e245d69b566979b86e28d23f2c7+10": b"0123456789",
+ })
+ with arvados.arvfile._BlockManager(keep) as blockmanager:
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ self.assertEqual(blockmanager.get_block_contents("781e5e245d69b566979b86e28d23f2c7+10", 1), b"0123456789")
+ self.assertEqual(blockmanager.get_block_contents(bufferblock.blockid, 1), b"foo")
+
+ def test_bufferblock_commit(self):
+ mockkeep = mock.MagicMock()
+ with arvados.arvfile._BlockManager(mockkeep) as blockmanager:
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.owner = mock.MagicMock(spec=arvados.arvfile.ArvadosFile)
+ def flush(sync=None):
+ blockmanager.commit_bufferblock(bufferblock, sync)
+ bufferblock.owner.flush.side_effect = flush
+ bufferblock.append("foo")
+ blockmanager.commit_all()
+ self.assertTrue(bufferblock.owner.flush.called)
+ self.assertTrue(mockkeep.put.called)
+ self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.COMMITTED)
+ self.assertIsNone(bufferblock.buffer_view)
+
+ def test_bufferblock_commit_pending(self):
+ # Test for bug #7225
+ mockkeep = mock.MagicMock()
+ mockkeep.put.side_effect = lambda x: time.sleep(1)
+ with arvados.arvfile._BlockManager(mockkeep) as blockmanager:
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ blockmanager.commit_bufferblock(bufferblock, False)
+ self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.PENDING)
+
+ blockmanager.commit_bufferblock(bufferblock, True)
+ self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.COMMITTED)
+
+
+ def test_bufferblock_commit_with_error(self):
+ mockkeep = mock.MagicMock()
+ mockkeep.put.side_effect = arvados.errors.KeepWriteError("fail")
+ with arvados.arvfile._BlockManager(mockkeep) as blockmanager:
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.owner = mock.MagicMock(spec=arvados.arvfile.ArvadosFile)
+ def flush(sync=None):
+ blockmanager.commit_bufferblock(bufferblock, sync)
+ bufferblock.owner.flush.side_effect = flush
+ bufferblock.append("foo")
+ with self.assertRaises(arvados.errors.KeepWriteError) as err:
+ blockmanager.commit_all()
+ self.assertTrue(bufferblock.owner.flush.called)
+ self.assertEqual(str(err.exception), "Error writing some blocks: block acbd18db4cc2f85cedef654fccc4a4d8+3 raised KeepWriteError (fail)")
+ self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.ERROR)
projects / arvados.git / blobdiff