import hashlib
import arvados
-from arvados import StreamReader, StreamFileReader, StreamWriter, StreamFileWriter
+from arvados import StreamReader, StreamFileReader
+from arvados._ranges import Range
import arvados_testutil as tutil
import run_test_server
class StreamFileReaderTestCase(unittest.TestCase):
def make_count_reader(self):
stream = tutil.MockStreamReader('.', '01234', '34567', '67890')
- return StreamFileReader(stream, [[1, 3, 0], [6, 3, 3], [11, 3, 6]],
+ return StreamFileReader(stream, [Range(1, 0, 3), Range(6, 3, 3), Range(11, 6, 3)],
'count.txt')
def test_read_returns_first_block(self):
def make_newlines_reader(self):
stream = tutil.MockStreamReader('.', 'one\ntwo\n\nth', 'ree\nfour\n\n')
- return StreamFileReader(stream, [[0, 11, 0], [11, 10, 11]], 'count.txt')
+ return StreamFileReader(stream, [Range(0, 0, 11), Range(11, 11, 10)], 'count.txt')
def check_lines(self, actual):
self.assertEqual(['one\n', 'two\n', '\n', 'three\n', 'four\n', '\n'],
def test_name_attribute(self):
# Test both .name and .name() (for backward compatibility)
stream = tutil.MockStreamReader()
- sfile = StreamFileReader(stream, [[0, 0, 0]], 'nametest')
+ sfile = StreamFileReader(stream, [Range(0, 0, 0)], 'nametest')
self.assertEqual('nametest', sfile.name)
self.assertEqual('nametest', sfile.name())
+ def check_decompressed_name(self, filename, expect):
+ stream = tutil.MockStreamReader('.', '')
+ reader = StreamFileReader(stream, [Range(0, 0, 0)], filename)
+ self.assertEqual(expect, reader.decompressed_name())
+
+ def test_decompressed_name_uncompressed_file(self):
+ self.check_decompressed_name('test.log', 'test.log')
+
+ def test_decompressed_name_gzip_file(self):
+ self.check_decompressed_name('test.log.gz', 'test.log')
+
+ def test_decompressed_name_bz2_file(self):
+ self.check_decompressed_name('test.log.bz2', 'test.log')
+
def check_decompression(self, compress_ext, compress_func):
test_text = 'decompression\ntest\n'
test_data = compress_func(test_text)
stream = tutil.MockStreamReader('.', test_data)
- reader = StreamFileReader(stream, [[0, len(test_data), 0]],
+ reader = StreamFileReader(stream, [Range(0, 0, len(test_data))],
'test.' + compress_ext)
self.assertEqual(test_text, ''.join(reader.readall_decompressed()))
@tutil.skip_sleep
def test_success_without_retries(self):
- reader = self.reader_for('bar_file')
with tutil.mock_get_responses('bar', 200):
+ reader = self.reader_for('bar_file')
self.assertEqual('bar', self.read_for_test(reader, 3))
@tutil.skip_sleep
def test_read_no_default_retry(self):
- reader = self.reader_for('user_agreement')
with tutil.mock_get_responses('', 500):
+ reader = self.reader_for('user_agreement')
with self.assertRaises(arvados.errors.KeepReadError):
self.read_for_test(reader, 10)
@tutil.skip_sleep
def test_read_with_instance_retries(self):
- reader = self.reader_for('foo_file', num_retries=3)
with tutil.mock_get_responses('foo', 500, 200):
+ reader = self.reader_for('foo_file', num_retries=3)
self.assertEqual('foo', self.read_for_test(reader, 3))
@tutil.skip_sleep
def test_read_with_method_retries(self):
- reader = self.reader_for('foo_file')
with tutil.mock_get_responses('foo', 500, 200):
+ reader = self.reader_for('foo_file')
self.assertEqual('foo',
self.read_for_test(reader, 3, num_retries=3))
@tutil.skip_sleep
def test_read_instance_retries_exhausted(self):
- reader = self.reader_for('bar_file', num_retries=3)
with tutil.mock_get_responses('bar', 500, 500, 500, 500, 200):
+ reader = self.reader_for('bar_file', num_retries=3)
with self.assertRaises(arvados.errors.KeepReadError):
self.read_for_test(reader, 3)
@tutil.skip_sleep
def test_read_method_retries_exhausted(self):
- reader = self.reader_for('bar_file')
with tutil.mock_get_responses('bar', 500, 500, 500, 500, 200):
+ reader = self.reader_for('bar_file')
with self.assertRaises(arvados.errors.KeepReadError):
self.read_for_test(reader, 3, num_retries=3)
@tutil.skip_sleep
def test_method_retries_take_precedence(self):
- reader = self.reader_for('user_agreement', num_retries=10)
with tutil.mock_get_responses('', 500, 500, 500, 200):
+ reader = self.reader_for('user_agreement', num_retries=10)
with self.assertRaises(arvados.errors.KeepReadError):
self.read_for_test(reader, 10, num_retries=1)
def read_for_test(self, reader, byte_count, **kwargs):
return ''.join(reader.readlines(**kwargs))
-class StreamWriterTestCase(unittest.TestCase):
- class MockKeep(object):
- def __init__(self, blocks):
- self.blocks = blocks
- def get(self, locator, num_retries=0):
- return self.blocks[locator]
- def put(self, data):
- pdh = "%s+%i" % (hashlib.md5(data).hexdigest(), len(data))
- self.blocks[pdh] = str(data)
- return pdh
-
- def test_init(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- self.assertEqual("01234", stream.readfrom(0, 5))
-
- def test_append(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- self.assertEqual("56789", stream.readfrom(5, 8))
- stream.append("foo")
- self.assertEqual("56789foo", stream.readfrom(5, 8))
-
-
-class StreamFileWriterTestCase(unittest.TestCase):
- def test_truncate(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("56789", writer.readfrom(5, 8))
- writer.truncate(8)
- self.assertEqual("567", writer.readfrom(5, 8))
-
- def test_append(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("56789", writer.readfrom(5, 8))
- writer.seek(10)
- writer.write("foo")
- self.assertEqual(writer.size(), 13)
- self.assertEqual("56789foo", writer.readfrom(5, 8))
-
- def test_write0(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("0123456789", writer.readfrom(0, 13))
- writer.seek(0)
- writer.write("foo")
- self.assertEqual(writer.size(), 10)
- self.assertEqual("foo3456789", writer.readfrom(0, 13))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 bufferblock0 10:3:count.txt 3:7:count.txt\n", stream.manifest_text())
-
- def test_write1(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("0123456789", writer.readfrom(0, 13))
- writer.seek(3)
- writer.write("foo")
- self.assertEqual(writer.size(), 10)
- self.assertEqual("012foo6789", writer.readfrom(0, 13))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 bufferblock0 0:3:count.txt 10:3:count.txt 6:4:count.txt\n", stream.manifest_text())
-
- def test_write2(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("0123456789", writer.readfrom(0, 13))
- writer.seek(7)
- writer.write("foo")
- self.assertEqual(writer.size(), 10)
- self.assertEqual("0123456foo", writer.readfrom(0, 13))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 bufferblock0 0:7:count.txt 10:3:count.txt\n", stream.manifest_text())
-
- def test_write3(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("012345678901234", writer.readfrom(0, 15))
- writer.seek(7)
- writer.write("foobar")
- self.assertEqual(writer.size(), 20)
- self.assertEqual("0123456foobar34", writer.readfrom(0, 15))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 bufferblock0 0:7:count.txt 10:6:count.txt 3:7:count.txt\n", stream.manifest_text())
-
- def test_write4(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:4:count.txt', '0:4:count.txt', '0:4:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- self.assertEqual("012301230123", writer.readfrom(0, 15))
- writer.seek(2)
- writer.write("abcdefg")
- self.assertEqual(writer.size(), 12)
- self.assertEqual("01abcdefg123", writer.readfrom(0, 15))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 bufferblock0 0:2:count.txt 10:7:count.txt 1:3:count.txt\n", stream.manifest_text())
-
- def test_write_large(self):
- stream = StreamWriter(['.', arvados.config.EMPTY_BLOCK_LOCATOR, '0:0:count.txt'],
- keep=StreamWriterTestCase.MockKeep({}))
- writer = stream.files()["count.txt"]
- text = ''.join(["0123456789" for a in xrange(0, 100)])
- for b in xrange(0, 100000):
- writer.write(text)
- self.assertEqual(writer.size(), 100000000)
- stream.commit()
- self.assertEqual(". a5de24f4417cfba9d5825eadc2f4ca49+67108000 598cc1a4ccaef8ab6e4724d87e675d78+32892000 0:100000000:count.txt\n", stream.manifest_text())
-
- def test_write_rewrite0(self):
- stream = StreamWriter(['.', arvados.config.EMPTY_BLOCK_LOCATOR, '0:0:count.txt'],
- keep=StreamWriterTestCase.MockKeep({}))
- writer = stream.files()["count.txt"]
- for b in xrange(0, 10):
- writer.seek(0, os.SEEK_SET)
- writer.write("0123456789")
- stream.commit()
- self.assertEqual(writer.size(), 10)
- self.assertEqual("0123456789", writer.readfrom(0, 20))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 0:10:count.txt\n", stream.manifest_text())
-
- def test_write_rewrite1(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- for b in xrange(0, 10):
- writer.seek(10, os.SEEK_SET)
- writer.write("abcdefghij")
- stream.commit()
- self.assertEqual(writer.size(), 20)
- self.assertEqual("0123456789abcdefghij", writer.readfrom(0, 20))
- self.assertEqual(". 781e5e245d69b566979b86e28d23f2c7+10 a925576942e94b2ef57a066101b48876+10 0:10:count.txt 10:10:count.txt\n", stream.manifest_text())
-
- def test_write_rewrite2(self):
- stream = StreamWriter(['.', '781e5e245d69b566979b86e28d23f2c7+10', '0:10:count.txt'],
- keep=StreamWriterTestCase.MockKeep({"781e5e245d69b566979b86e28d23f2c7+10": "0123456789"}))
- writer = stream.files()["count.txt"]
- for b in xrange(0, 10):
- writer.seek(5, os.SEEK_SET)
- writer.write("abcdefghij")
- stream.commit()
- 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", stream.manifest_text())
-
if __name__ == '__main__':
unittest.main()
projects / arvados.git / blobdiff