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# Copyright (c) 2021, PostgreSQL Global Development Group
use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 25;
program_help_ok('psql');
program_version_ok('psql');
program_options_handling_ok('psql');
my ($stdout, $stderr);
my $result;
# test --help=foo, analogous to program_help_ok()
foreach my $arg (qw(commands variables))
{
$result = IPC::Run::run [ 'psql', "--help=$arg" ], '>', \$stdout, '2>', \$stderr;
ok($result, "psql --help=$arg exit code 0");
isnt($stdout, '', "psql --help=$arg goes to stdout");
is($stderr, '', "psql --help=$arg nothing to stderr");
}
my $node = PostgresNode->new('main');
$node->init;
$node->append_conf(
'postgresql.conf', q{
wal_level = 'logical'
max_replication_slots = 4
max_wal_senders = 4
});
$node->start;
$node->command_like([ 'psql', '-c', '\copyright' ], qr/Copyright/, '\copyright');
$node->command_like([ 'psql', '-c', '\help' ], qr/ALTER/, '\help without arguments');
$node->command_like([ 'psql', '-c', '\help SELECT' ], qr/SELECT/, '\help');
# Test clean handling of unsupported replication command responses
$node->command_fails_like([ 'psql', 'replication=database', '-c', 'START_REPLICATION 0/0' ],
qr/^unexpected PQresultStatus: 8$/, 'handling of unexpected PQresultStatus');
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