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Instead of having a lot of separate fixtures for setting up the page server, the compute nodes, the safekeepers etc., have one big ZenithEnv object that encapsulates the whole environment. Every test either uses a shared "zenith_simple_env" fixture, which contains the default setup of a pageserver with no authentication, and no safekeepers. Tests that want to use safekeepers or authentication set up a custom test-specific ZenithEnv fixture. Gathering information about the whole environment into one object makes some things simpler. For example, when a new compute node is created, you no longer need to pass the 'wal_acceptors' connection string as argument to the 'postgres.create_start' function. The 'create_start' function fetches that information directly from the ZenithEnv object.
34 lines
987 B
Python
34 lines
987 B
Python
from contextlib import closing
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from fixtures.zenith_fixtures import ZenithEnv
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from fixtures.log_helper import log
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pytest_plugins = ("fixtures.zenith_fixtures")
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#
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# Test starting Postgres with custom options
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#
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def test_config(zenith_simple_env: ZenithEnv):
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env = zenith_simple_env
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# Create a branch for us
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env.zenith_cli(["branch", "test_config", "empty"])
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# change config
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pg = env.postgres.create_start('test_config', config_lines=['log_min_messages=debug1'])
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log.info('postgres is running on test_config branch')
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with closing(pg.connect()) as conn:
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with conn.cursor() as cur:
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cur.execute('''
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SELECT setting
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FROM pg_settings
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WHERE
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source != 'default'
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AND source != 'override'
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AND name = 'log_min_messages'
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''')
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# check that config change was applied
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assert cur.fetchone() == ('debug1', )
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