Add new TAP tests for pg_recvlogical

Craig Ringer, reviewed by Euler Taveira and Naoki Okano

src/bin/pg_basebackup/Makefile

@@ -12,6 +12,8 @@
 PGFILEDESC = "pg_basebackup/pg_receivexlog/pg_recvlogical - streaming WAL and backup receivers"
 PGAPPICON=win32
 
+EXTRA_INSTALL=contrib/test_decoding
+
 subdir = src/bin/pg_basebackup
 top_builddir = ../../..
 include $(top_builddir)/src/Makefile.global

src/bin/pg_basebackup/t/030_pg_recvlogical.pl

@@ -0,0 +1,46 @@
+use strict;
+use warnings;
+use TestLib;
+use PostgresNode;
+use Test::More tests => 15;
+
+program_help_ok('pg_recvlogical');
+program_version_ok('pg_recvlogical');
+program_options_handling_ok('pg_recvlogical');
+
+my $node = get_new_node('main');
+
+# Initialize node without replication settings
+$node->init(allows_streaming => 1, has_archiving => 1);
+$node->append_conf('postgresql.conf', q{
+wal_level = 'logical'
+max_replication_slots = 4
+max_wal_senders = 4
+log_min_messages = 'debug1'
+log_error_verbosity = verbose
+});
+$node->dump_info;
+$node->start;
+
+$node->command_fails(['pg_recvlogical'],
+	'pg_recvlogical needs a slot name');
+$node->command_fails(['pg_recvlogical', '-S', 'test'],
+	'pg_recvlogical needs a database');
+$node->command_fails(['pg_recvlogical', '-S', 'test', '-d', 'postgres'],
+	'pg_recvlogical needs an action');
+$node->command_fails(['pg_recvlogical', '-S', 'test', '-d', $node->connstr('postgres'), '--start'],
+	'no destionation file');
+
+$node->command_ok(['pg_recvlogical', '-S', 'test', '-d', $node->connstr('postgres'), '--create-slot'],
+	'slot created');
+
+my $slot = $node->slot('test');
+isnt($slot->{'restart_lsn'}, '', 'restart lsn is defined for new slot');
+
+$node->psql('postgres', 'CREATE TABLE test_table(x integer)');
+$node->psql('postgres', 'INSERT INTO test_table(x) SELECT y FROM generate_series(1, 10) a(y);');
+my $nextlsn = $node->safe_psql('postgres', 'SELECT pg_current_xlog_insert_location()');
+chomp($nextlsn);
+
+$node->command_ok(['pg_recvlogical', '-S', 'test', '-d', $node->connstr('postgres'), '--start', '--endpos', "$nextlsn", '--no-loop', '-f', '-'],
+	'replayed a transaction');