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test_transactions.py
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189 lines (166 loc) · 4.93 KB
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import unittest
from feldera import PipelineBuilder
from tests import TEST_CLIENT, unique_pipeline_name
from feldera.runtime_config import RuntimeConfig
from feldera.testutils import FELDERA_TEST_NUM_WORKERS, FELDERA_TEST_NUM_HOSTS
class TestTransactions(unittest.TestCase):
def test_dynamic_output_connector(self):
# When an output connector is created during a transaction, it should not receive any outputs until the next transaction.
sql = """
CREATE TABLE t1 (
id INT NOT NULL
);
"""
pipeline = PipelineBuilder(
TEST_CLIENT,
name=unique_pipeline_name("test_dynamic_output_connector"),
sql=sql,
runtime_config=RuntimeConfig(
workers=FELDERA_TEST_NUM_WORKERS,
hosts=FELDERA_TEST_NUM_HOSTS,
),
).create_or_replace()
pipeline.start()
pipeline.execute("INSERT INTO t1 VALUES (1), (2), (3);")
pipeline.wait_for_completion()
pipeline.start_transaction()
pipeline.execute("INSERT INTO t1 VALUES (4), (5), (6);")
# out should only start receiving outputs starting from the next transaction.
out = pipeline.listen("t1")
pipeline.execute("INSERT INTO t1 VALUES (7), (8), (9);")
pipeline.commit_transaction()
pipeline.wait_for_completion()
pipeline.start_transaction()
pipeline.execute("INSERT INTO t1 VALUES (10), (11), (12);")
pipeline.commit_transaction()
pipeline.wait_for_completion()
output = out.to_dict()
assert output == [
{
"id": 10,
"insert_delete": 1,
},
{
"id": 11,
"insert_delete": 1,
},
{
"id": 12,
"insert_delete": 1,
},
]
pipeline.stop(force=True)
pipeline.start()
# out1 should observe all outputs.
out1 = pipeline.listen("t1")
pipeline.execute("INSERT INTO t1 VALUES (1), (2), (3);")
pipeline.wait_for_completion()
pipeline.start_transaction()
pipeline.execute("INSERT INTO t1 VALUES (4), (5), (6);")
# out2 should only start receiving outputs starting from the next transaction.
out2 = pipeline.listen("t1")
pipeline.execute("INSERT INTO t1 VALUES (7), (8), (9);")
pipeline.commit_transaction()
pipeline.wait_for_completion()
pipeline.start_transaction()
pipeline.execute("INSERT INTO t1 VALUES (10), (11), (12);")
# out3 should not receive any outputs.
out3 = pipeline.listen("t1")
pipeline.execute("INSERT INTO t1 VALUES (13), (14), (15);")
pipeline.commit_transaction()
pipeline.wait_for_completion()
output = out1.to_dict()
assert output == [
{
"id": 1,
"insert_delete": 1,
},
{
"id": 2,
"insert_delete": 1,
},
{
"id": 3,
"insert_delete": 1,
},
{
"id": 4,
"insert_delete": 1,
},
{
"id": 5,
"insert_delete": 1,
},
{
"id": 6,
"insert_delete": 1,
},
{
"id": 7,
"insert_delete": 1,
},
{
"id": 8,
"insert_delete": 1,
},
{
"id": 9,
"insert_delete": 1,
},
{
"id": 10,
"insert_delete": 1,
},
{
"id": 11,
"insert_delete": 1,
},
{
"id": 12,
"insert_delete": 1,
},
{
"id": 13,
"insert_delete": 1,
},
{
"id": 14,
"insert_delete": 1,
},
{
"id": 15,
"insert_delete": 1,
},
]
output = out2.to_dict()
assert output == [
{
"id": 10,
"insert_delete": 1,
},
{
"id": 11,
"insert_delete": 1,
},
{
"id": 12,
"insert_delete": 1,
},
{
"id": 13,
"insert_delete": 1,
},
{
"id": 14,
"insert_delete": 1,
},
{
"id": 15,
"insert_delete": 1,
},
]
output = out3.to_dict()
assert output == []
pipeline.stop(force=True)
if __name__ == "__main__":
unittest.main()