File: runtests

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#!/usr/bin/perl -w

use strict;
use POSIX qw/WIFEXITED WEXITSTATUS/;
use File::Temp qw/tempdir /;

my @tests = glob("t/*.test");
my $fail = 0;
my $pass = 0;

my $tmpdir = tempdir(CLEANUP => 1) or die "could not create tempdir";

if (!scalar @ARGV) {
	die "apt-file command not given";
}

print "runtests started\n";
print "ARGV: @ARGV\n";
print "PATH=$ENV{PATH}\n";
print "APT_CONFIG=$ENV{APT_CONFIG}\n";
print "\n";

foreach my $t (sort @tests) {
	$t =~ m{/([^/]*).test$};
	my $name = $1;
	my $vars = readvars($t);
	my $this_fail;
	if (!defined $vars) {
		$fail++;
		next;
	}
	
	if (!defined $vars->{args}) {
		warn "'args' not defined in $t\n";
		$fail++;
		next; 
	}
	
	$vars->{rc} = 0 if ! defined $vars->{rc};
	
	my $cmd = "@ARGV $vars->{args}";
	system("$cmd > $tmpdir/$name.out 2> $tmpdir/$name.err");
	if (!WIFEXITED($?)) {
		warn "FAIL: $name: Error executing $cmd\n";
		$this_fail = 1;
		next;
	}
	
	if (WEXITSTATUS($?) != $vars->{rc}) {
		print "FAIL: $name: RC expected $vars->{rc}, got " .
			WEXITSTATUS($?) . "\n";
		$this_fail = 1;
	}

	
	if (-s "$tmpdir/$name.err" && ! $vars->{stderr} ) {
		print "FAIL: $name: Unexpected output on stderr:\n";
		system("cat $tmpdir/$name.err");
		$this_fail = 1;
	}
	
	my $expected = "t/$name.out";
	if (system("diff -u $expected $tmpdir/$name.out") != 0) {
		print "FAIL: $name: Expected and actual output differ\n";
		$this_fail = 1;
	}
	
	if ($this_fail) {
		$fail++;
		print "Test $name tests for bug #$vars->{bug}\n" if $vars->{bug};
	}
	else
	{
		print "PASS: $name\n";
		$pass++;
	}
}

my $total = $pass + $fail;
print "Tests passed: $pass/$total\n" if $pass;
print "Tests failed: $fail/$total\n" if $fail;
exit(1) if ($fail);
exit(0);


sub readvars {
	my $file = shift;
	my %vars;
	
	my $fh;
	if (!open ($fh, "<", $file)) {
		warn "Could not open $file\n";
		return;
	}
	while (defined (my $line = <$fh>)) {
		chomp $line;
		$line =~ s/^\s+//;
		$line =~ /^#/ and next;
		$line =~ /^$/ and next;
		if ($line =~ /^([^=]+)=(.*)$/) {
			$vars{$1}=$2;
		}
		else {
			warn "Invalid syntax in $file:$.\n";
			return;
		}
	}
	return \%vars;
}