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# mostly copied from ./timescaledb.nix which was 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 cases from https://docs.pgvecto.rs/use-cases/hybrid-search.html
test-sql = pkgs.writeText "postgresql-test" ''
CREATE EXTENSION vectors;
CREATE TABLE items (
id bigserial PRIMARY KEY,
content text NOT NULL,
embedding vectors.vector(3) NOT NULL -- 3 dimensions
);
INSERT INTO items (content, embedding) VALUES
('a fat cat sat on a mat and ate a fat rat', '[1, 2, 3]'),
('a fat dog sat on a mat and ate a fat rat', '[4, 5, 6]'),
('a thin cat sat on a mat and ate a thin rat', '[7, 8, 9]'),
('a thin dog sat on a mat and ate a thin rat', '[10, 11, 12]');
'';
make-postgresql-test = postgresql-name: postgresql-package: makeTest {
name = postgresql-name;
meta = with pkgs.lib.maintainers; {
maintainers = [ diogotcorreia ];
};
nodes.machine = { ... }:
{
services.postgresql = {
enable = true;
package = postgresql-package;
extraPlugins = ps: with ps; [
pgvecto-rs
];
settings.shared_preload_libraries = "vectors";
};
};
testScript = ''
def check_count(statement, lines):
return 'test $(sudo -u postgres psql postgres -tAc "{}"|wc -l) -eq {}'.format(
statement, lines
)
machine.start()
machine.wait_for_unit("postgresql")
with subtest("Postgresql with extension vectors is available just after unit start"):
machine.succeed(check_count("SELECT * FROM pg_available_extensions WHERE name = 'vectors' AND default_version = '${postgresql-package.pkgs.pgvecto-rs.version}';", 1))
machine.succeed("sudo -u postgres psql -f ${test-sql}")
machine.succeed(check_count("SELECT content, embedding FROM items WHERE to_tsvector('english', content) @@ 'cat & rat'::tsquery;", 2))
machine.shutdown()
'';
};
applicablePostgresqlVersions = filterAttrs (_: value: versionAtLeast value.version "12") postgresql-versions;
in
mapAttrs'
(name: package: {
inherit name;
value = make-postgresql-test name package;
})
applicablePostgresqlVersions
|