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neon/test_runner/batch_pg_regress/test_isolation.py
2022-07-01 18:56:51 +03:00

50 lines
1.9 KiB
Python

import os
from pathlib import Path
import pytest
from fixtures.neon_fixtures import NeonEnv, base_dir, pg_distrib_dir
# The isolation tests run for a long time, especially in debug mode,
# so use a larger-than-default timeout.
@pytest.mark.timeout(1800)
def test_isolation(neon_simple_env: NeonEnv, test_output_dir: Path, pg_bin, capsys):
env = neon_simple_env
env.neon_cli.create_branch("test_isolation", "empty")
# Connect to postgres and create a database called "regression".
# isolation tests use prepared transactions, so enable them
pg = env.postgres.create_start('test_isolation', config_lines=['max_prepared_transactions=100'])
pg.safe_psql('CREATE DATABASE isolation_regression')
# Create some local directories for pg_isolation_regress to run in.
runpath = test_output_dir / 'regress'
(runpath / 'testtablespace').mkdir(parents=True)
# Compute all the file locations that pg_isolation_regress will need.
build_path = os.path.join(pg_distrib_dir, 'build/src/test/isolation')
src_path = os.path.join(base_dir, 'vendor/postgres/src/test/isolation')
bindir = os.path.join(pg_distrib_dir, 'bin')
schedule = os.path.join(src_path, 'isolation_schedule')
pg_isolation_regress = os.path.join(build_path, 'pg_isolation_regress')
pg_isolation_regress_command = [
pg_isolation_regress,
'--use-existing',
'--bindir={}'.format(bindir),
'--dlpath={}'.format(build_path),
'--inputdir={}'.format(src_path),
'--schedule={}'.format(schedule),
]
env_vars = {
'PGPORT': str(pg.default_options['port']),
'PGUSER': pg.default_options['user'],
'PGHOST': pg.default_options['host'],
}
# Run the command.
# We don't capture the output. It's not too chatty, and it always
# logs the exact same data to `regression.out` anyway.
with capsys.disabled():
pg_bin.run(pg_isolation_regress_command, env=env_vars, cwd=runpath)