def test_blob_from_bytes_io():
data = b'abc \x01 \x45 vv'
bytes_io = io.BytesIO(data)
blob = lobs.Blob(bytes_io)
assert blob.getvalue() == data
# check that io container is used directly without copying:
assert blob.data is bytes_io
def test_insert_single_object_blob_row(connection, test_table):
"""Insert a single row providing blob data as LOB object (argument order: blob, name)"""
cursor = connection.cursor()
blob_data = 'ab \0x1 \0x17 yz'
blob_obj = lobs.Blob(blob_data)
cursor.execute("insert into %s (fblob, name) values (:1, :2)" % TABLE, [blob_obj, 'blob1'])
blob = cursor.execute("select fblob from %s where name='blob1' " % TABLE).fetchone()[0]
assert blob.read() == blob_data
def test_blob_from_string():
data = 'abc \x01 \x45 vv'
blob = lobs.Blob(data)
assert blob.getvalue() == data
def test_blob_uses_bytes_io():
data = b'abc \x01 \x45 vv'
blob = lobs.Blob(data)
assert isinstance(blob.data, io.BytesIO)
