Files
neon/test_runner/regress/test_wal_restore.py
Dmitry Rodionov 1497a42296 tests: split neon_fixtures.py (#4871)
## Problem

neon_fixtures.py has grown to unmanageable size. It attracts conflicts.

When adding specific utils under for example `fixtures/pageserver`
things sometimes need to import stuff from `neon_fixtures.py` which
creates circular import. This is usually only needed for type
annotations, so `typing.TYPE_CHECKING` flag can mask the issue.
Nevertheless I believe that splitting neon_fixtures.py into smaller
parts is a better approach.

Currently the PR contains small things, but I plan to continue and move
NeonEnv to its own `fixtures.env` module. To keep the diff small I think
this PR can already be merged to cause less conflicts.

UPD: it looks like currently its not really possible to fully avoid
usage of `typing.TYPE_CHECKING`, because some components directly depend
on each other. I e Env -> Cli -> Env cycle. But its still worth it to
avoid it in as many places as possible. And decreasing neon_fixture's
size still makes sense.
2023-08-03 17:20:24 +03:00

56 lines
1.8 KiB
Python

import sys
from pathlib import Path
import pytest
from fixtures.neon_fixtures import (
NeonEnvBuilder,
PgBin,
VanillaPostgres,
)
from fixtures.port_distributor import PortDistributor
from fixtures.types import TenantId, TimelineId
@pytest.mark.skipif(
sys.platform != "linux",
reason="restore_from_wal.sh supports only Linux",
)
def test_wal_restore(
neon_env_builder: NeonEnvBuilder,
pg_bin: PgBin,
test_output_dir: Path,
port_distributor: PortDistributor,
base_dir: Path,
pg_distrib_dir: Path,
):
env = neon_env_builder.init_start()
env.neon_cli.create_branch("test_wal_restore")
endpoint = env.endpoints.create_start("test_wal_restore")
endpoint.safe_psql("create table t as select generate_series(1,300000)")
tenant_id = TenantId(endpoint.safe_psql("show neon.tenant_id")[0][0])
timeline_id = TimelineId(endpoint.safe_psql("show neon.timeline_id")[0][0])
env.neon_cli.pageserver_stop()
port = port_distributor.get_port()
data_dir = test_output_dir / "pgsql.restored"
with VanillaPostgres(
data_dir, PgBin(test_output_dir, env.pg_distrib_dir, env.pg_version), port
) as restored:
pg_bin.run_capture(
[
str(base_dir / "libs" / "utils" / "scripts" / "restore_from_wal.sh"),
str(pg_distrib_dir / f"v{env.pg_version}/bin"),
str(
test_output_dir
/ "repo"
/ "safekeepers"
/ "sk1"
/ str(tenant_id)
/ str(timeline_id)
),
str(data_dir),
str(port),
]
)
restored.start()
assert restored.safe_psql("select count(*) from t", user="cloud_admin") == [(300000,)]