From e8dbe137737f94a2eaff86dc1676f9df39c60d00 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Thu, 7 Oct 2021 22:12:40 +0200
Subject: [PATCH] psql: More tests

---
 src/bin/psql/t/001_basic.pl | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 src/bin/psql/t/001_basic.pl

diff --git a/src/bin/psql/t/001_basic.pl b/src/bin/psql/t/001_basic.pl
new file mode 100644
index 0000000000..cd899e851e
--- /dev/null
+++ b/src/bin/psql/t/001_basic.pl
@@ -0,0 +1,42 @@
+
+# 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');
+$node->command_like([ 'psql', '-c', '\help SELECT' ], qr/SELECT/, '\help');
+
+$node->command_fails_like([ 'psql', 'replication=database', '-c', 'START_REPLICATION 123/456' ],
+	qr/^unexpected PQresultStatus: 8$/, 'handling of unexpected PQresultStatus');
-- 
2.33.0