def test_status_and_delete_match(reads):
"""reader.status is consistent with writer.delete."""
from binlog.reader import TDSReader
from binlog.writer import TDSWriter
try:
tmpdir = mktemp()
writer = TDSWriter(tmpdir, max_log_events=MAX_LOG_EVENTS)
reader = TDSReader(tmpdir, checkpoint='test')
for x in range(25):
writer.append(str(x).encode("ascii"))
for x in range(reads):
rec = reader.next_record()
reader.ack(rec)
reader.save()
status = reader.status()
for idx, can_delete in status.items():
if idx == max(status.keys()):
# We cannot delete the last DB cause is current.
assert not can_delete
with pytest.raises(ValueError):
writer.delete(idx)
else:
if can_delete:
writer.delete(idx)
except:
raise
finally:
shutil.rmtree(tmpdir)
def test_status_and_delete_match(reads):
"""reader.status is consistent with writer.delete."""
from binlog.reader import TDSReader
from binlog.writer import TDSWriter
try:
tmpdir = mktemp()
writer = TDSWriter(tmpdir, max_log_events=MAX_LOG_EVENTS)
reader = TDSReader(tmpdir, checkpoint='test')
for x in range(25):
writer.append(x)
for x in range(reads):
rec = reader.next_record()
reader.ack(rec)
reader.save()
status = reader.status()
for idx, can_delete in status.items():
if idx == max(status.keys()):
# We cannot delete the last DB cause is current.
assert not can_delete
with pytest.raises(ValueError):
writer.delete(idx)
else:
if can_delete:
writer.delete(idx)
except:
raise
finally:
shutil.rmtree(tmpdir)
def test_status_method_works_after_deletion():
from binlog.reader import TDSReader
from binlog.writer import TDSWriter
try:
tmpdir = mktemp()
writer = TDSWriter(tmpdir, max_log_events=10)
reader = TDSReader(tmpdir, checkpoint='test')
for x in range(25):
writer.append(x)
reader.status()
writer.delete(1)
reader.status()
except:
raise
finally:
shutil.rmtree(tmpdir)
def test_status_method_works_after_deletion():
from binlog.reader import TDSReader
from binlog.writer import TDSWriter
try:
tmpdir = mktemp()
writer = TDSWriter(tmpdir, max_log_events=10)
reader = TDSReader(tmpdir, checkpoint='test')
for x in range(25):
writer.append(str(x).encode("ascii"))
reader.status()
writer.delete(1)
reader.status()
except:
raise
finally:
shutil.rmtree(tmpdir)
def test_reader_starts_with_the_lowest_database_available():
from binlog.reader import TDSReader
from binlog.writer import TDSWriter
try:
tmpdir = mktemp()
writer = TDSWriter(tmpdir, max_log_events=10)
for x in range(25):
writer.append(str(x).encode("ascii"))
writer.delete(1)
reader = TDSReader(tmpdir, checkpoint='test')
for x in range(10, 25):
rec = reader.next_record()
assert int(rec.value) == x
assert reader.next_record() is None
except:
raise
finally:
shutil.rmtree(tmpdir)
from binlog.writer import TDSWriter
from random import randint
w = TDSWriter('test')
while True:
w.append("Hello World!")
print('.', end='', flush=True)
