pg_waldump: Add more tests

This adds tests for most command-line options and tests for most
rmgrdesc routines.

Based on patch by Dong Wook Lee <sh95119@gmail.com>.

Reviewed-by: Tristen Raab <tristen.raab@highgo.ca>
Discussion: https://www.postgresql.org/message-id/flat/CAAcByaKM7zyJSDkPWv6_%2BapupY4fXXM3q3SRXas9MMNVPUGcsQ%40mail.gmail.com
This commit is contained in:
Peter Eisentraut 2023-07-05 10:16:56 +02:00
parent 5e8068f04e
commit 96063e2836

View File

@ -3,6 +3,7 @@
use strict;
use warnings;
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;
@ -10,4 +11,197 @@ program_help_ok('pg_waldump');
program_version_ok('pg_waldump');
program_options_handling_ok('pg_waldump');
# wrong number of arguments
command_fails_like([ 'pg_waldump', ], qr/error: no arguments/, 'no arguments');
command_fails_like([ 'pg_waldump', 'foo', 'bar', 'baz' ], qr/error: too many command-line arguments/, 'too many arguments');
# invalid option arguments
command_fails_like([ 'pg_waldump', '--block', 'bad' ], qr/error: invalid block number/, 'invalid block number');
command_fails_like([ 'pg_waldump', '--fork', 'bad' ], qr/error: invalid fork name/, 'invalid fork name');
command_fails_like([ 'pg_waldump', '--limit', 'bad' ], qr/error: invalid value/, 'invalid limit');
command_fails_like([ 'pg_waldump', '--relation', 'bad' ], qr/error: invalid relation/, 'invalid relation specification');
command_fails_like([ 'pg_waldump', '--rmgr', 'bad' ], qr/error: resource manager .* does not exist/, 'invalid rmgr name');
command_fails_like([ 'pg_waldump', '--start', 'bad' ], qr/error: invalid WAL location/, 'invalid start LSN');
command_fails_like([ 'pg_waldump', '--end', 'bad' ], qr/error: invalid WAL location/, 'invalid end LSN');
# rmgr list: If you add one to the list, consider also adding a test
# case exercising the new rmgr below.
command_like([ 'pg_waldump', '--rmgr=list'], qr/^XLOG
Transaction
Storage
CLOG
Database
Tablespace
MultiXact
RelMap
Standby
Heap2
Heap
Btree
Hash
Gin
Gist
Sequence
SPGist
BRIN
CommitTs
ReplicationOrigin
Generic
LogicalMessage$/,
'rmgr list');
my $node = PostgreSQL::Test::Cluster->new('main');
$node->init;
$node->append_conf('postgresql.conf', q{
autovacuum = off
checkpoint_timeout = 1h
# for standbydesc
archive_mode=on
archive_command=''
# for XLOG_HEAP_TRUNCATE
wal_level=logical
});
$node->start;
my ($start_lsn, $start_walfile) = split /\|/, $node->safe_psql('postgres', q{SELECT pg_current_wal_insert_lsn(), pg_walfile_name(pg_current_wal_insert_lsn())});
$node->safe_psql('postgres', q{
-- heap, btree, hash, sequence
CREATE TABLE t1 (a int GENERATED ALWAYS AS IDENTITY, b text);
CREATE INDEX i1a ON t1 USING btree (a);
CREATE INDEX i1b ON t1 USING hash (b);
INSERT INTO t1 VALUES (default, 'one'), (default, 'two');
DELETE FROM t1 WHERE b = 'one';
TRUNCATE t1;
-- abort
START TRANSACTION;
INSERT INTO t1 VALUES (default, 'three');
ROLLBACK;
-- unlogged/init fork
CREATE UNLOGGED TABLE t2 (x int);
CREATE INDEX i2 ON t2 USING btree (x);
INSERT INTO t2 SELECT generate_series(1, 10);
-- gin
CREATE TABLE gin_idx_tbl (id bigserial PRIMARY KEY, data jsonb);
CREATE INDEX gin_idx ON gin_idx_tbl USING gin (data);
INSERT INTO gin_idx_tbl
WITH random_json AS (
SELECT json_object_agg(key, trunc(random() * 10)) as json_data
FROM unnest(array['a', 'b', 'c']) as u(key))
SELECT generate_series(1,500), json_data FROM random_json;
-- gist, spgist
CREATE TABLE gist_idx_tbl (p point);
CREATE INDEX gist_idx ON gist_idx_tbl USING gist (p);
CREATE INDEX spgist_idx ON gist_idx_tbl USING spgist (p);
INSERT INTO gist_idx_tbl (p) VALUES (point '(1, 1)'), (point '(3, 2)'), (point '(6, 3)');
-- brin
CREATE TABLE brin_idx_tbl (col1 int, col2 text, col3 text );
CREATE INDEX brin_idx ON brin_idx_tbl USING brin (col1, col2, col3) WITH (autosummarize=on);
INSERT INTO brin_idx_tbl SELECT generate_series(1, 10000), 'dummy', 'dummy';
UPDATE brin_idx_tbl SET col2 = 'updated' WHERE col1 BETWEEN 1 AND 5000;
SELECT brin_summarize_range('brin_idx', 0);
SELECT brin_desummarize_range('brin_idx', 0);
VACUUM;
-- logical message
SELECT pg_logical_emit_message(true, 'foo', 'bar');
-- relmap
VACUUM FULL pg_authid;
-- database
CREATE DATABASE d1;
DROP DATABASE d1;
});
my $tblspc_path = PostgreSQL::Test::Utils::tempdir_short();
$node->safe_psql('postgres', qq{
CREATE TABLESPACE ts1 LOCATION '$tblspc_path';
DROP TABLESPACE ts1;
});
my ($end_lsn, $end_walfile) = split /\|/, $node->safe_psql('postgres', q{SELECT pg_current_wal_insert_lsn(), pg_walfile_name(pg_current_wal_insert_lsn())});
my $default_ts_oid = $node->safe_psql('postgres', q{SELECT oid FROM pg_tablespace WHERE spcname = 'pg_default'});
my $postgres_db_oid = $node->safe_psql('postgres', q{SELECT oid FROM pg_database WHERE datname = 'postgres'});
my $rel_t1_oid = $node->safe_psql('postgres', q{SELECT oid FROM pg_class WHERE relname = 't1'});
my $rel_i1a_oid = $node->safe_psql('postgres', q{SELECT oid FROM pg_class WHERE relname = 'i1a'});
$node->stop;
# various ways of specifying WAL range
command_fails_like([ 'pg_waldump', 'foo', 'bar' ], qr/error: could not locate WAL file "foo"/, 'start file not found');
command_like([ 'pg_waldump', $node->data_dir . '/pg_wal/' . $start_walfile ], qr/./, 'runs with start segment specified');
command_fails_like([ 'pg_waldump', $node->data_dir . '/pg_wal/' . $start_walfile, 'bar' ], qr/error: could not open file "bar"/, 'end file not found');
command_like([ 'pg_waldump', $node->data_dir . '/pg_wal/' . $start_walfile, $node->data_dir . '/pg_wal/' . $end_walfile ], qr/./, 'runs with start and end segment specified');
command_fails_like([ 'pg_waldump', '-p', $node->data_dir ], qr/error: no start WAL location given/, 'path option requires start location');
command_like([ 'pg_waldump', '-p', $node->data_dir, '--start', $start_lsn, '--end', $end_lsn ], qr/./, 'runs with path option and start and end locations');
command_fails_like([ 'pg_waldump', '-p', $node->data_dir, '--start', $start_lsn ], qr/error: error in WAL record at/, 'falling off the end of the WAL results in an error');
command_like([ 'pg_waldump', '--quiet', $node->data_dir . '/pg_wal/' . $start_walfile ], qr/^$/, 'no output with --quiet option');
command_fails_like([ 'pg_waldump', '--quiet', '-p', $node->data_dir, '--start', $start_lsn ], qr/error: error in WAL record at/, 'errors are shown with --quiet');
# Helper function to test various options. Pass options as arguments.
# Output lines are returned as array.
sub test_pg_waldump
{
local $Test::Builder::Level = $Test::Builder::Level + 1;
my @opts = @_;
my (@cmd, $stdout, $stderr, $result, @lines);
@cmd = ('pg_waldump', '-p', $node->data_dir, '--start', $start_lsn, '--end', $end_lsn);
push @cmd, @opts;
$result = IPC::Run::run \@cmd, '>', \$stdout, '2>', \$stderr;
ok($result, "pg_waldump @opts: runs ok");
is($stderr, '', "pg_waldump @opts: no stderr");
@lines = split /\n/, $stdout;
ok(@lines > 0, "pg_waldump @opts: some lines are output");
return @lines;
}
my @lines;
@lines = test_pg_waldump;
is(grep(!/^rmgr: \w/, @lines), 0, 'all output lines are rmgr lines');
@lines = test_pg_waldump('--limit', 6);
is(@lines, 6, 'limit option observed');
@lines = test_pg_waldump('--fullpage');
is(grep(!/^rmgr:.*\bFPW\b/, @lines), 0, 'all output lines are FPW');
@lines = test_pg_waldump('--stats');
like($lines[0], qr/WAL statistics/, "statistics on stdout");
is(grep(/^rmgr:/, @lines), 0, 'no rmgr lines output');
@lines = test_pg_waldump('--stats=record');
like($lines[0], qr/WAL statistics/, "statistics on stdout");
is(grep(/^rmgr:/, @lines), 0, 'no rmgr lines output');
@lines = test_pg_waldump('--rmgr', 'Btree');
is(grep(!/^rmgr: Btree/, @lines), 0, 'only Btree lines');
@lines = test_pg_waldump('--fork', 'init');
is(grep(!/fork init/, @lines), 0, 'only init fork lines');
@lines = test_pg_waldump('--relation', "$default_ts_oid/$postgres_db_oid/$rel_t1_oid");
is(grep(!/rel $default_ts_oid\/$postgres_db_oid\/$rel_t1_oid/, @lines), 0, 'only lines for selected relation');
@lines = test_pg_waldump('--relation', "$default_ts_oid/$postgres_db_oid/$rel_i1a_oid", '--block', 1);
is(grep(!/\bblk 1\b/, @lines), 0, 'only lines for selected block');
done_testing();