import hashlib
import arvados
-from arvados import ArvadosFile, ArvadosFileReader, Range, import_manifest, export_manifest, KeepLocator
-from arvados.arvfile import SYNC_READONLY, SYNC_EXPLICIT
+from arvados._ranges import Range
+from arvados.keep import KeepLocator
+from arvados.collection import Collection, CollectionReader
+from arvados.arvfile import ArvadosFile, ArvadosFileReader, SYNC_READONLY, SYNC_EXPLICIT
import arvados_testutil as tutil
from test_stream import StreamFileReaderTestCase, StreamRetryTestMixin
class MockApi(object):
def __init__(self, b, r):
- self.b = b
- self.r = r
+ self.body = b
+ self.response = r
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
+ return self.response
def create(self, ensure_unique_name=False, 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)
+ 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 arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 781e5e245d69b566979b86e28d23f2c7+10 0:8:count.txt\n"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
api_client=api, keep_client=keep) as c:
writer = c.open("count.txt", "r+")
self.assertEqual(writer.size(), 10)
self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
self.assertEqual(False, c.modified())
- def test_append(self):
+ def test_write_to_end(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 arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:13:count.txt\n"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
api_client=api, keep_client=keep) as c:
writer = c.open("count.txt", "r+")
+ self.assertEqual(writer.size(), 10)
+
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(None, c._manifest_locator)
self.assertEqual(True, c.modified())
self.assertEqual(None, keep.get("acbd18db4cc2f85cedef654fccc4a4d8+3"))
+
c.save_new("test_append")
self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
self.assertEqual(False, c.modified())
self.assertEqual("foo", keep.get("acbd18db4cc2f85cedef654fccc4a4d8+3"))
- def test_write0(self):
+
+ def test_append(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ c = Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n', keep_client=keep)
+ writer = c.open("count.txt", "a+")
+ self.assertEqual(writer.read(20), "0123456789")
+ writer.seek(0, os.SEEK_SET)
+
+ writer.write("hello")
+ self.assertEqual(writer.read(20), "0123456789hello")
+ writer.seek(0, os.SEEK_SET)
+
+ writer.write("world")
+ self.assertEqual(writer.read(20), "0123456789helloworld")
+
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 fc5e038d38a57032085441e7fe7010b0+10 0:20:count.txt\n", c.manifest_text())
+
+ def test_write_at_beginning(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
self.assertEqual("0123456789", writer.readfrom(0, 13))
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(". acbd18db4cc2f85cedef654fccc4a4d8+3 781e5e245d69b566979b86e28d23f2c7+10 0:3:count.txt 6:7:count.txt\n", c.manifest_text())
- def test_write1(self):
+ def test_write_in_middle(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
self.assertEqual("0123456789", writer.readfrom(0, 13))
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))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:count.txt 10:3:count.txt 6:4:count.txt\n", c.manifest_text())
- def test_write2(self):
+ def test_write_at_end(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
self.assertEqual("0123456789", writer.readfrom(0, 13))
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))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 acbd18db4cc2f85cedef654fccc4a4d8+3 0:7:count.txt 10:3:count.txt\n", c.manifest_text())
- def test_write3(self):
+ def test_write_across_segment_boundary(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt 0:10:count.txt\n',
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt 0:10:count.txt\n',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
self.assertEqual("012345678901234", writer.readfrom(0, 15))
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))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 3858f62230ac3c915f300c664312c63f+6 0:7:count.txt 10:6:count.txt 3:7:count.txt\n", c.manifest_text())
- def test_write4(self):
+ def test_write_across_several_segments(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:4:count.txt 0:4:count.txt 0:4:count.txt',
+ 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", "r+")
self.assertEqual("012301230123", writer.readfrom(0, 15))
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(". 781e5e245d69b566979b86e28d23f2c7+10 7ac66c0f148de9519b8bd264312c4d64+7 0:2:count.txt 10:7:count.txt 1:3:count.txt\n", c.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 arvados.WritableCollection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". a5de24f4417cfba9d5825eadc2f4ca49+67108000 598cc1a4ccaef8ab6e4724d87e675d78+32892000 0:100000000:count.txt\n"})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
api_client=api, keep_client=keep) as c:
writer = c.open("count.txt", "r+")
text = ''.join(["0123456789" for a in xrange(0, 100)])
self.assertEqual("zzzzz-4zz18-mockcollection0", c._manifest_locator)
self.assertEqual(False, c.modified())
- def test_write_rewrite0(self):
+ def test_rewrite_on_empty_file(self):
keep = ArvadosFileWriterTestCase.MockKeep({})
- with arvados.WritableCollection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
for b in xrange(0, 10):
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))
+ self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n", c.manifest_text())
- def test_write_rewrite1(self):
+ def test_rewrite_append_existing_file(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
for b in xrange(0, 10):
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(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:20:count.txt\n", c.manifest_text())
- def test_write_rewrite2(self):
+ def test_rewrite_over_existing_file(self):
keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
- with arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt',
keep_client=keep) as c:
writer = c.open("count.txt", "r+")
for b in xrange(0, 10):
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(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:5:count.txt 10:10:count.txt\n", c.manifest_text())
- def test_write_large_rewrite0(self):
+ 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 arvados.WritableCollection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text": ". 37400a68af9abdd76ca5bf13e819e42a+32892003 a5de24f4417cfba9d5825eadc2f4ca49+67108000 32892000:3:count.txt 32892006:67107997:count.txt 0:32892000:count.txt\n"})
+ with Collection('. ' + arvados.config.EMPTY_BLOCK_LOCATOR + ' 0:0:count.txt',
api_client=api, keep_client=keep) as c:
writer = c.open("count.txt", "r+")
text = ''.join(["0123456789" for a in xrange(0, 100)])
keep = ArvadosFileWriterTestCase.MockKeep({})
api = ArvadosFileWriterTestCase.MockApi({"name":"test_create",
"manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"},
- {"uuid":"zzzzz-4zz18-mockcollection0"})
- with arvados.WritableCollection(api_client=api, keep_client=keep) as c:
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"})
+ with Collection(api_client=api, keep_client=keep) as c:
writer = c.open("count.txt", "w+")
self.assertEqual(writer.size(), 0)
writer.write("01234567")
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.WritableCollection(api_client=api, keep_client=keep) as c:
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":"./foo/bar 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"})
+ with Collection(api_client=api, keep_client=keep) as c:
+ self.assertIsNone(c.api_response())
writer = c.open("foo/bar/count.txt", "w+")
writer.write("01234567")
c.save_new("test_create")
+ 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 arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 0:8:count.txt\n"})
+ with Collection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n',
api_client=api, keep_client=keep) as c:
writer = c.open("count.txt", "w+")
self.assertEqual(writer.size(), 0)
self.assertEqual(False, c.modified())
def test_file_not_found(self):
- with arvados.WritableCollection('. 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")
def test_cannot_open_directory(self):
- with arvados.WritableCollection('. 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")
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.WritableCollection(api_client=api, keep_client=keep) as c:
+ {"uuid":"zzzzz-4zz18-mockcollection0",
+ "manifest_text":". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:8:count1.txt 8:8:count2.txt\n"})
+ with Collection(api_client=api, keep_client=keep) as c:
w1 = c.open("count1.txt", "w")
w2 = c.open("count2.txt", "w")
w1.write("01234567")
def block_prefetch(self, loc):
pass
- def get_block(self, loc, num_retries=0, cache_only=False):
+ 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 test_prefetch(self):
keep = ArvadosFileWriterTestCase.MockKeep({"2e9ec317e197819358fbc43afca7d837+8": "01234567", "e8dc4081b13434b45189a720b77b6818+8": "abcdefgh"})
- with arvados.WritableCollection(". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:16:count.txt\n", keep_client=keep) as c:
+ with Collection(". 2e9ec317e197819358fbc43afca7d837+8 e8dc4081b13434b45189a720b77b6818+8 0:16:count.txt\n", keep_client=keep) as c:
r = c.open("count.txt", "r")
self.assertEqual("0123", r.read(4))
self.assertIn("2e9ec317e197819358fbc43afca7d837+8", keep.requests)
self.assertIn("e8dc4081b13434b45189a720b77b6818+8", keep.requests)
- def test__eq__(self):
- with arvados.arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt') as c1:
- with arvados.arvados.WritableCollection('. 781e5e245d69b566979b86e28d23f2c7+10 0:10:count1.txt') as c2:
+ 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:
+ with c2.open("count1.txt", "w") as f:
+ 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:
+ with c2.open("count1.txt", "w") as f:
+ 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):
n += k.size
except ValueError:
pass
- col = arvados.ReadOnlyCollection(keep_client=self.keep_client())
+ col = Collection(keep_client=self.keep_client())
col._my_block_manager().prefetch_enabled = False
af = ArvadosFile(col,
stream=stream,
class ArvadosFileReadlinesTestCase(ArvadosFileReadTestCase):
def read_for_test(self, reader, byte_count, **kwargs):
return ''.join(reader.readlines(**kwargs))
+
+class BlockManagerTest(unittest.TestCase):
+ def test_bufferblock_append(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({})
+ blockmanager = arvados.arvfile._BlockManager(keep)
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ self.assertEqual(bufferblock.size(), 3)
+ self.assertEqual(bufferblock.buffer_view[0:3], "foo")
+ self.assertEqual(bufferblock.locator(), "acbd18db4cc2f85cedef654fccc4a4d8+3")
+
+ bufferblock.append("bar")
+
+ self.assertEqual(bufferblock.size(), 6)
+ self.assertEqual(bufferblock.buffer_view[0:6], "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({})
+ blockmanager = arvados.arvfile._BlockManager(keep)
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ self.assertEqual(bufferblock.size(), 3)
+ self.assertEqual(bufferblock.buffer_view[0:3], "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], "foobar")
+ self.assertEqual(bufferblock2.locator(), "3858f62230ac3c915f300c664312c63f+6")
+
+ self.assertEqual(bufferblock.size(), 3)
+ self.assertEqual(bufferblock.buffer_view[0:3], "foo")
+ self.assertEqual(bufferblock.locator(), "acbd18db4cc2f85cedef654fccc4a4d8+3")
+
+ def test_bufferblock_get(self):
+ keep = ArvadosFileWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"})
+ blockmanager = arvados.arvfile._BlockManager(keep)
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+
+ self.assertEqual(blockmanager.get_block_contents("781e5e245d69b566979b86e28d23f2c7+10", 1), "0123456789")
+ self.assertEqual(blockmanager.get_block_contents(bufferblock.blockid, 1), "foo")
+
+ def test_bufferblock_commit(self):
+ mockkeep = mock.MagicMock()
+ blockmanager = arvados.arvfile._BlockManager(mockkeep)
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+ blockmanager.commit_all()
+ self.assertTrue(mockkeep.put.called)
+ self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.COMMITTED)
+ self.assertIsNone(bufferblock.buffer_view)
+
+
+ def test_bufferblock_commit_with_error(self):
+ mockkeep = mock.MagicMock()
+ mockkeep.put.side_effect = arvados.errors.KeepWriteError("fail")
+ blockmanager = arvados.arvfile._BlockManager(mockkeep)
+ bufferblock = blockmanager.alloc_bufferblock()
+ bufferblock.append("foo")
+ with self.assertRaises(arvados.errors.KeepWriteError) as err:
+ blockmanager.commit_all()
+ self.assertEquals(str(err.exception), "Error writing some blocks: acbd18db4cc2f85cedef654fccc4a4d8+3 raised KeepWriteError (fail)")
+ self.assertEqual(bufferblock.state(), arvados.arvfile._BufferBlock.PENDING)
projects / arvados.git / blobdiff