File size: 2,635 Bytes
2c3c408 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | import numpy as np
import pytest
import tiledb
from .common import DiskTestCase, assert_captured
class FilestoreTest(DiskTestCase):
@pytest.fixture
def text_fname(self):
path = self.path("text_fname")
vfs = tiledb.VFS()
vfs.touch(path)
with vfs.open(path, "wb") as fio:
fio.write(b"Simple text file.\n")
fio.write(b"With two lines.")
return path
def test_buffer(self, capfd):
path = self.path("test_buffer")
data = b"buffer"
fs = tiledb.Filestore(path)
with self.assertRaises(tiledb.TileDBError):
fs.write(data)
schema = tiledb.ArraySchema.from_file()
tiledb.Array.create(path, schema)
assert schema.attr(0).name == "contents"
assert schema.attr(0).dtype == np.bytes_
schema.attr(0).dump()
assert_captured(capfd, "Type: BLOB")
fs = tiledb.Filestore(path)
fs.write(data)
assert bytes(data) == fs.read()
def test_small_buffer(self, capfd):
path = self.path("test_small_buffer")
# create a 4 byte array
data = b"abcd"
fs = tiledb.Filestore(path)
with self.assertRaises(tiledb.TileDBError):
fs.write(data)
schema = tiledb.ArraySchema.from_file()
tiledb.Array.create(path, schema)
assert schema.attr(0).name == "contents"
assert schema.attr(0).dtype == np.bytes_
schema.attr(0).dump()
assert_captured(capfd, "Type: BLOB")
fs = tiledb.Filestore(path)
fs.write(data)
assert data[3:4] == fs.read(offset=3, size=1)
def test_uri(self, text_fname):
path = self.path("test_uri")
schema = tiledb.ArraySchema.from_file(text_fname)
tiledb.Array.create(path, schema)
fs = tiledb.Filestore(path)
tiledb.Filestore.copy_from(path, text_fname)
with open(text_fname, "rb") as text:
data = text.read()
assert data == fs.read(0, len(data))
assert len(fs) == len(data)
def test_multiple_writes(self):
path = self.path("test_buffer")
schema = tiledb.ArraySchema.from_file()
tiledb.Array.create(path, schema)
fs = tiledb.Filestore(path)
for i in range(1, 4):
fs.write(("x" * i).encode())
assert fs.read() == ("x" * i).encode()
timestamps = [t[0] for t in tiledb.array_fragments(path).timestamp_range]
for i, ts in enumerate(timestamps, start=1):
with tiledb.open(path, timestamp=ts) as A:
assert A.meta["file_size"] == i
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