Files
neon/test_runner/regress/test_feature_flag.py
Alex Chi Z. 85164422d0 feat(pageserver): support force overriding feature flags (#12233)
## Problem

Part of #11813 

## Summary of changes

Add a test API to make it easier to manipulate the feature flags within
tests.

---------

Signed-off-by: Alex Chi Z <chi@neon.tech>
2025-06-23 17:31:53 +00:00

52 lines
1.7 KiB
Python

from __future__ import annotations
from typing import TYPE_CHECKING
from fixtures.utils import run_only_on_default_postgres
if TYPE_CHECKING:
from fixtures.neon_fixtures import NeonEnvBuilder
@run_only_on_default_postgres("Pageserver-only test only needs to run on one version")
def test_feature_flag(neon_env_builder: NeonEnvBuilder):
env = neon_env_builder.init_start()
env.pageserver.http_client().force_override_feature_flag("test-feature-flag", "true")
assert env.pageserver.http_client().evaluate_feature_flag_boolean(
env.initial_tenant, "test-feature-flag"
)["result"]["Ok"]
assert (
env.pageserver.http_client().evaluate_feature_flag_multivariate(
env.initial_tenant, "test-feature-flag"
)["result"]["Ok"]
== "true"
)
env.pageserver.http_client().force_override_feature_flag("test-feature-flag", "false")
assert (
env.pageserver.http_client().evaluate_feature_flag_boolean(
env.initial_tenant, "test-feature-flag"
)["result"]["Err"]
== "No condition group is matched"
)
assert (
env.pageserver.http_client().evaluate_feature_flag_multivariate(
env.initial_tenant, "test-feature-flag"
)["result"]["Ok"]
== "false"
)
env.pageserver.http_client().force_override_feature_flag("test-feature-flag", None)
assert (
"Err"
in env.pageserver.http_client().evaluate_feature_flag_boolean(
env.initial_tenant, "test-feature-flag"
)["result"]
)
assert (
"Err"
in env.pageserver.http_client().evaluate_feature_flag_multivariate(
env.initial_tenant, "test-feature-flag"
)["result"]
)