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#!/usr/bin/perl
# Copyright (c) 2021, PostgreSQL Global Development Group
use strict;
use warnings;
# use of SRCDIR/SUBDIR is required for supporting VPath builds
my $srcdir = $ENV{'SRCDIR'} or die 'SRCDIR environment variable is not set';
my $subdir = $ENV{'SUBDIR'} or die 'SUBDIR environment variable is not set';
my $regress_in = "$srcdir/$subdir/regress.in";
my $expected_out = "$srcdir/$subdir/expected.out";
# the output file should land in the build_dir of VPath, or just in
# the current dir, if VPath isn't used
my $regress_out = "regress.out";
# open input file first, so possible error isn't sent to redirected STDERR
open(my $regress_in_fh, "<", $regress_in)
or die "can't open $regress_in for reading: $!";
# save STDOUT/ERR and redirect both to regress.out
open(my $oldout_fh, ">&", \*STDOUT) or die "can't dup STDOUT: $!";
open(my $olderr_fh, ">&", \*STDERR) or die "can't dup STDERR: $!";
open(STDOUT, ">", $regress_out)
or die "can't open $regress_out for writing: $!";
open(STDERR, ">&", \*STDOUT) or die "can't dup STDOUT: $!";
# read lines from regress.in and run uri-regress on them
while (<$regress_in_fh>)
{
chomp;
print "trying $_\n";
system("./uri-regress \"$_\"");
print "\n";
}
# restore STDOUT/ERR so we can print the outcome to the user
open(STDERR, ">&", $olderr_fh)
or die; # can't complain as STDERR is still duped
open(STDOUT, ">&", $oldout_fh) or die "can't restore STDOUT: $!";
# just in case
close $regress_in_fh;
my $diff_status = system(
"diff -c \"$srcdir/$subdir/expected.out\" regress.out >regress.diff");
print "=" x 70, "\n";
if ($diff_status == 0)
{
print "All tests passed\n";
exit 0;
}
else
{
print <<EOF;
FAILED: the test result differs from the expected output
Review the difference in "$subdir/regress.diff"
EOF
exit 1;
}
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