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Diffstat (limited to 'nixos/tests/pgvecto-rs.nix')
-rw-r--r-- | nixos/tests/pgvecto-rs.nix | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/nixos/tests/pgvecto-rs.nix b/nixos/tests/pgvecto-rs.nix new file mode 100644 index 000000000000..cd871dab6a0f --- /dev/null +++ b/nixos/tests/pgvecto-rs.nix @@ -0,0 +1,76 @@ +# 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 |