nixpkgs/nixos/tests/timescaledb.nix

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# mostly copied from ./postgresql.nix as it seemed unapproriate to
# test additional extensions for postgresql there.
{ system ? builtins.currentSystem
, config ? { }
, pkgs ? import ../.. { inherit system config; }
}:
with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
let
postgresql-versions = import ../../pkgs/servers/sql/postgresql pkgs;
test-sql = pkgs.writeText "postgresql-test" ''
CREATE EXTENSION timescaledb;
CREATE EXTENSION timescaledb_toolkit;
CREATE TABLE sth (
time TIMESTAMPTZ NOT NULL,
value DOUBLE PRECISION
);
SELECT create_hypertable('sth', 'time');
INSERT INTO sth (time, value) VALUES
('2003-04-12 04:05:06 America/New_York', 1.0),
('2003-04-12 04:05:07 America/New_York', 2.0),
('2003-04-12 04:05:08 America/New_York', 3.0),
('2003-04-12 04:05:09 America/New_York', 4.0),
('2003-04-12 04:05:10 America/New_York', 5.0)
;
WITH t AS (
SELECT
time_bucket('1 day'::interval, time) AS dt,
stats_agg(value) AS stats
FROM sth
GROUP BY time_bucket('1 day'::interval, time)
)
SELECT
average(stats)
FROM t;
'';
make-postgresql-test = postgresql-name: postgresql-package: makeTest {
name = postgresql-name;
meta = with pkgs.lib.maintainers; {
maintainers = [ typetetris ];
};
nodes.machine = { ... }:
{
services.postgresql = {
enable = true;
package = postgresql-package;
extraPlugins = ps: with ps; [
timescaledb
timescaledb_toolkit
];
settings = { shared_preload_libraries = "timescaledb, timescaledb_toolkit"; };
};
};
testScript = ''
def check_count(statement, lines):
return 'test $(sudo -u postgres psql postgres -tAc "{}"|wc -l) -eq {}'.format(
statement, lines
)
machine.start()
machine.wait_for_unit("postgresql")
with subtest("Postgresql with extensions timescaledb and timescaledb_toolkit is available just after unit start"):
machine.succeed(
"sudo -u postgres psql -f ${test-sql}"
)
machine.fail(check_count("SELECT * FROM sth;", 3))
machine.succeed(check_count("SELECT * FROM sth;", 5))
machine.fail(check_count("SELECT * FROM sth;", 4))
machine.shutdown()
'';
};
applicablePostgresqlVersions = filterAttrs (_: value: versionAtLeast value.version "12") postgresql-versions;
in
mapAttrs'
(name: package: {
inherit name;
value = make-postgresql-test name package;
})
applicablePostgresqlVersions