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commit    df286a5b830ae8cc8aac4bd6c999ea4991f0b092
Author:   Michael Paquier <michael@paquier.xyz>
Date:     Wed Jul 09 06:46:31 2025 +0000

    libpq: Add TAP test for nested service file
    
    This test corresponds to the case of a "service" defined in a service
    file, that libpq is not able to support in parseServiceFile().
    
    This has come up during the review of a patch to add more features in
    this area, useful on its own.  Piece extracted from a larger patch by
    the same author.
    
    Author: Ryo Kanbayashi <kanbayashi.dev@gmail.com>
    Discussion: https://postgr.es/m/Zz2AE7NKKLIZTtEh@paquier.xyz


 src/interfaces/libpq/t/006_service.pl | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/interfaces/libpq/t/006_service.pl b/src/interfaces/libpq/t/006_service.pl
index 4fe5adc5c2a..d896558a6cc 100644
--- a/src/interfaces/libpq/t/006_service.pl
+++ b/src/interfaces/libpq/t/006_service.pl
@@ -47,6 +47,12 @@ my $srvfile_default = "$td/pg_service.conf";
 # Missing service file.
 my $srvfile_missing = "$td/pg_service_missing.conf";
 
+# Service file with nested "service" defined.
+my $srvfile_nested = "$td/pg_service_nested.conf";
+copy($srvfile_valid, $srvfile_nested)
+  or die "Could not copy $srvfile_valid to $srvfile_nested: $!";
+append_to_file($srvfile_nested, 'service=invalid_srv' . $newline);
+
 # Set the fallback directory lookup of the service file to the temporary
 # directory of this test.  PGSYSCONFDIR is used if the service file
 # defined in PGSERVICEFILE cannot be found, or when a service file is
@@ -146,6 +152,17 @@ local $ENV{PGSERVICEFILE} = "$srvfile_empty";
 	unlink($srvfile_default);
 }
 
+# Checks nested service file contents.
+{
+	local $ENV{PGSERVICEFILE} = $srvfile_nested;
+
+	$dummy_node->connect_fails(
+		'service=my_srv',
+		'connection with nested service file',
+		expected_stderr =>
+		  qr/nested service specifications not supported in service file/);
+}
+
 $node->teardown_node;
 
 done_testing();


[parent: 24f608625f9a]