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output_consistency_test.py
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output_consistency_test.py
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# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.
import argparse
import pg8000
from pg8000 import Connection
from pg8000.exceptions import InterfaceError
from materialize.output_consistency.common.configuration import (
ConsistencyTestConfiguration,
)
from materialize.output_consistency.execution.evaluation_strategy import (
ConstantFoldingEvaluation,
DataFlowRenderingEvaluation,
EvaluationStrategy,
)
from materialize.output_consistency.execution.sql_executor import create_sql_executor
from materialize.output_consistency.execution.sql_executors import SqlExecutors
from materialize.output_consistency.execution.test_summary import ConsistencyTestSummary
from materialize.output_consistency.generators.expression_generator import (
ExpressionGenerator,
)
from materialize.output_consistency.generators.query_generator import QueryGenerator
from materialize.output_consistency.ignore_filter.inconsistency_ignore_filter import (
GenericInconsistencyIgnoreFilter,
)
from materialize.output_consistency.ignore_filter.internal_output_inconsistency_ignore_filter import (
InternalOutputInconsistencyIgnoreFilter,
)
from materialize.output_consistency.input_data.scenarios.evaluation_scenario import (
EvaluationScenario,
)
from materialize.output_consistency.input_data.test_input_data import (
ConsistencyTestInputData,
)
from materialize.output_consistency.output.output_printer import OutputPrinter
from materialize.output_consistency.runner.test_runner import ConsistencyTestRunner
from materialize.output_consistency.selection.randomized_picker import RandomizedPicker
from materialize.output_consistency.validation.result_comparator import ResultComparator
class OutputConsistencyTest:
def run_output_consistency_tests(
self,
connection: Connection,
args: argparse.Namespace,
) -> ConsistencyTestSummary:
"""Entry point for output consistency tests"""
return self._run_output_consistency_tests_internal(
connection,
args.seed,
args.dry_run,
args.fail_fast,
args.verbose,
args.max_cols_per_query,
args.max_runtime_in_sec,
args.max_iterations,
args.avoid_expressions_expecting_db_error,
)
def parse_output_consistency_input_args(
self,
parser: argparse.ArgumentParser,
) -> argparse.Namespace:
parser.add_argument("--seed", default="0", type=str)
parser.add_argument(
"--dry-run", default=False, type=bool, action=argparse.BooleanOptionalAction
)
parser.add_argument(
"--fail-fast",
default=False,
type=bool,
action=argparse.BooleanOptionalAction,
)
parser.add_argument(
"--verbose",
default=False,
type=bool,
action=argparse.BooleanOptionalAction,
)
parser.add_argument("--max-cols-per-query", default=20, type=int)
parser.add_argument("--max-runtime-in-sec", default=600, type=int)
parser.add_argument("--max-iterations", default=100000, type=int)
parser.add_argument(
"--avoid-expressions-expecting-db-error",
default=False,
type=bool,
action=argparse.BooleanOptionalAction,
)
return parser.parse_args()
def _run_output_consistency_tests_internal(
self,
connection: Connection,
random_seed: str,
dry_run: bool,
fail_fast: bool,
verbose_output: bool,
max_cols_per_query: int,
max_runtime_in_sec: int,
max_iterations: int,
avoid_expressions_expecting_db_error: bool,
) -> ConsistencyTestSummary:
input_data = self.create_input_data()
output_printer = OutputPrinter(input_data)
scenario = self.get_scenario()
config = ConsistencyTestConfiguration(
random_seed=random_seed,
scenario=scenario,
dry_run=dry_run,
fail_fast=fail_fast,
verbose_output=verbose_output,
max_cols_per_query=max_cols_per_query,
max_runtime_in_sec=max_runtime_in_sec,
max_iterations=max_iterations,
avoid_expressions_expecting_db_error=avoid_expressions_expecting_db_error,
queries_per_tx=20,
max_pending_expressions=100,
use_autocommit=True,
split_and_retry_on_db_error=True,
print_reproduction_code=True,
postgres_compatible_mode=scenario
== EvaluationScenario.POSTGRES_CONSISTENCY,
)
output_printer.print_config(config)
config.validate()
if config.postgres_compatible_mode:
input_data.remove_postgres_incompatible_data()
randomized_picker = RandomizedPicker(config)
sql_executors = self.create_sql_executors(config, connection, output_printer)
evaluation_strategies = self.create_evaluation_strategies(sql_executors)
ignore_filter = self.create_inconsistency_ignore_filter(sql_executors)
expression_generator = ExpressionGenerator(
config, randomized_picker, input_data
)
query_generator = QueryGenerator(
config, randomized_picker, input_data, ignore_filter
)
output_comparator = self.create_result_comparator(ignore_filter)
output_printer.print_info(sql_executors.get_database_infos())
output_printer.print_empty_line()
output_printer.print_info(input_data.get_stats())
output_printer.print_empty_line()
if not self.shall_run(sql_executors):
output_printer.print_info("Not running the test, criteria are not met.")
return ConsistencyTestSummary()
test_runner = ConsistencyTestRunner(
config,
input_data,
evaluation_strategies,
expression_generator,
query_generator,
output_comparator,
sql_executors,
randomized_picker,
ignore_filter,
output_printer,
)
test_runner.setup()
output_printer.start_section("Test remarks")
if not config.verbose_output:
output_printer.print_info(
"Printing only queries with inconsistencies or warnings in non-verbose mode."
)
output_printer.print_empty_line()
test_summary = test_runner.start()
output_printer.print_test_summary(test_summary)
return test_summary
def shall_run(self, sql_executors: SqlExecutors) -> bool:
return True
def create_input_data(self) -> ConsistencyTestInputData:
return ConsistencyTestInputData()
def create_sql_executors(
self,
config: ConsistencyTestConfiguration,
connection: Connection,
output_printer: OutputPrinter,
) -> SqlExecutors:
return SqlExecutors(
create_sql_executor(config, connection, output_printer, "mz")
)
def get_scenario(self) -> EvaluationScenario:
return EvaluationScenario.OUTPUT_CONSISTENCY
def create_result_comparator(
self, ignore_filter: GenericInconsistencyIgnoreFilter
) -> ResultComparator:
return ResultComparator(ignore_filter)
def create_inconsistency_ignore_filter(
self, sql_executors: SqlExecutors
) -> GenericInconsistencyIgnoreFilter:
return InternalOutputInconsistencyIgnoreFilter()
def create_evaluation_strategies(
self, sql_executors: SqlExecutors
) -> list[EvaluationStrategy]:
return [
DataFlowRenderingEvaluation(),
ConstantFoldingEvaluation(),
]
def connect(host: str, port: int, user: str, password: str | None = None) -> Connection:
try:
print(
f"Connecting to database (host={host}, port={port}, user={user}, password={'****' if password else 'None'})"
)
return pg8000.connect(host=host, port=port, user=user, password=password)
except InterfaceError:
print(f"Connecting to database failed (host={host}, port={port}, user={user})!")
raise
def main() -> int:
test = OutputConsistencyTest()
parser = argparse.ArgumentParser(
prog="output-consistency-test",
formatter_class=argparse.RawDescriptionHelpFormatter,
description="Test the output consistency of different query evaluation strategies (e.g., dataflow rendering "
"and constant folding).",
)
parser.add_argument("--host", default="localhost", type=str)
parser.add_argument("--port", default=6875, type=int)
args = test.parse_output_consistency_input_args(parser)
db_user = "materialize"
try:
connection = connect(args.host, args.port, db_user)
except InterfaceError:
return 1
result = test.run_output_consistency_tests(connection, args)
return 0 if result.all_passed() else 1
if __name__ == "__main__":
exit(main())