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-rwxr-xr-xtest/test_debi285
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+#!/usr/bin/perl
+
+# Copyright 2019 Simon McVittie
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+=head1 NAME
+
+test_debi - unit test for debi
+
+=head1 WARNING
+
+This test requires root privileges, and installs and removes packages.
+Please run it in an expendable environment, such as via
+one of the B<autopkgtest-virt-*> autopkgtest backends.
+
+=head1 DESCRIPTION
+
+This test verifies that debi's B<--with-depends> and B<--upgrade> interact
+as expected.
+
+=cut
+
+use autodie;
+use strict;
+use warnings;
+
+use Cwd qw(getcwd);
+use Digest::MD5;
+use Digest::SHA;
+use File::Temp qw(tempdir);
+use IPC::Run qw(run);
+use Test::More;
+
+use Dpkg::Control;
+
+my $srcdir = getcwd;
+my $top_srcdir = getcwd . '/..';
+my @debi = ("$top_srcdir/scripts/debi.pl", '--no-conf');
+my $tmp;
+
+if (defined $ARGV[0] && $ARGV[0] eq '--installed') {
+ $debi[0] = 'debi';
+}
+else {
+ $ENV{PATH} = "$top_srcdir/scripts:$ENV{PATH}";
+}
+
+sub verbose_run {
+ my $argv = shift;
+ diag("Running: @{$argv}");
+ my $ret = run($argv, @_);
+ if ($ret) {
+ diag("=> success");
+ } else {
+ diag("=> exit status $?");
+ }
+ return $ret;
+}
+
+sub capture {
+ my $output;
+ my $argv = shift;
+ ok(verbose_run($argv, '>', \$output), "@{$argv}");
+ chomp $output;
+ return $output;
+}
+
+sub make_deb {
+ my ($name, $version, $depends) = @_;
+ mkdir "$tmp/deb" unless -d "$tmp/deb";
+ mkdir "$tmp/deb/DEBIAN" unless -d "$tmp/deb/DEBIAN";
+ open my $fh, '>', "$tmp/deb/DEBIAN/control";
+ print {$fh} "Package: devscripts-test-$name\n";
+ print {$fh} "Section: misc\n";
+ print {$fh} "Priority: optional\n";
+ print {$fh} "Maintainer: nobody\n";
+ print {$fh} "Version: $version\n";
+ print {$fh} "Architecture: all\n";
+ print {$fh} "Depends: $depends\n";
+ print {$fh} "Description: a package\n";
+ close $fh;
+
+ my $deb = "$tmp/devscripts-test-${name}_${version}_all.deb";
+ if (!run(['dpkg-deb', '-b', "$tmp/deb", $deb])) {
+ BAIL_OUT("Failed to build $name package from $tmp/deb");
+ }
+}
+
+sub make_changes {
+ my @packages = @_;
+ my $changes = "$tmp/foo.changes";
+ my $ctrl = Dpkg::Control->new(type => CTRL_FILE_CHANGES);
+ $ctrl->{Format} = '1.8';
+ $ctrl->{Source} = 'devscripts-test';
+ $ctrl->{Files} = "\n";
+ $ctrl->{'Checksums-Sha256'} = "\n";
+
+ foreach my $name (@packages) {
+ my $md5 = Digest::MD5->new;
+ my $sha256 = Digest::SHA->new(256);
+ open my $fh, '<', "$tmp/devscripts-test-${name}_1_all.deb";
+ binmode $fh;
+ $md5->addfile($fh);
+ seek $fh, 0, 0;
+ $sha256->addfile(*$fh);
+ close $fh;
+ my $hash = $md5->hexdigest;
+ my @stat = stat "$tmp/devscripts-test-${name}_1_all.deb";
+ my $size = $stat[7];
+
+ $ctrl->{Files}
+ .= "$hash $size misc optional devscripts-test-${name}_1_all.deb\n";
+ $hash = $sha256->hexdigest;
+ $ctrl->{'Checksums-Sha256'}
+ .= "$hash $size devscripts-test-${name}_1_all.deb\n";
+ }
+ diag $ctrl;
+ $ctrl->save($changes);
+}
+
+sub purge_packages {
+ ok(
+ verbose_run([
+ 'dpkg',
+ '--purge',
+ 'devscripts-test-already-installed',
+ 'devscripts-test-dependency',
+ 'devscripts-test-gains-dependency',
+ 'devscripts-test-gains-local-dependency',
+ 'devscripts-test-not-installed',
+ 'hello',
+ ]));
+}
+
+sub version_of {
+ my $output;
+ my $ignored;
+ run(['dpkg-query', '-W', '-f', '${Version}', shift],
+ '>', \$output, '2>', \$ignored);
+ chomp $output;
+ return $output;
+}
+
+sub status_of {
+ my $output;
+ my $ignored;
+ run(['dpkg-query', '-W', '-f', '${Status}', shift],
+ '>', \$output, '2>', \$ignored);
+ chomp $output;
+ return $output;
+}
+
+plan skip_all => 'not root' unless $< == 0 && $> == 0;
+
+$tmp = tempdir(CLEANUP => 1);
+open my $fh, '>', "$tmp/yes.conf";
+print {$fh} qq{Apt::Get::Assume-Yes "true";\n};
+print {$fh} qq{Apt::Get::allow-downgrades "true";\n};
+close $fh;
+$ENV{APT_CONFIG} = "$tmp/yes.conf";
+
+make_deb('already-installed', '0', 'base-files');
+make_deb('already-installed', '1', 'base-files');
+make_deb('already-installed', '2', 'base-files');
+make_deb('not-installed', '1', 'base-files');
+make_deb('gains-local-dependency', '0', 'base-files');
+make_deb('gains-local-dependency', '1', 'devscripts-test-dependency');
+make_deb('dependency', '1', 'base-files');
+make_deb('gains-dependency', '0', 'base-files');
+make_deb('gains-dependency', '1', 'hello');
+
+diag('debi foo.changes will upgrade existing packages and install new ones');
+purge_packages();
+ok(
+ verbose_run(
+ ['dpkg', '-i', "$tmp/devscripts-test-already-installed_0_all.deb",]));
+make_changes(qw(already-installed not-installed));
+ok(verbose_run([@debi, "$tmp/foo.changes",]), 'plain debi succeeds');
+is(version_of('devscripts-test-already-installed'),
+ '1', 'already installed package was upgraded');
+is(version_of('devscripts-test-not-installed'),
+ '1', 'not-installed package was installed (regressed in #932640)');
+
+diag('debi foo.changes will also downgrade existing packages');
+purge_packages();
+ok(
+ verbose_run(
+ ['dpkg', '-i', "$tmp/devscripts-test-already-installed_2_all.deb",]));
+make_changes(qw(already-installed));
+ok(verbose_run([@debi, "$tmp/foo.changes",]), 'plain debi succeeds');
+is(version_of('devscripts-test-already-installed'),
+ '1', 'already installed package was downgraded');
+
+diag('debi --upgrade will upgrade/downgrade existing packages, only');
+purge_packages();
+ok(
+ verbose_run(
+ ['dpkg', '-i', "$tmp/devscripts-test-already-installed_2_all.deb",]));
+make_changes(qw(already-installed not-installed));
+ok(verbose_run([@debi, '--upgrade', "$tmp/foo.changes",]),
+ 'debi --upgrade succeeds');
+is(version_of('devscripts-test-already-installed'),
+ '1', 'already installed package was downgraded');
+is(version_of('devscripts-test-not-installed'),
+ '', 'not-installed package was not installed');
+
+diag('it is OK if debi --upgrade does nothing');
+purge_packages();
+make_changes(qw(not-installed));
+ok(verbose_run([@debi, '--upgrade', "$tmp/foo.changes",]),
+ 'debi --upgrade succeeds');
+is(version_of('devscripts-test-not-installed'),
+ '', 'not-installed package was not installed');
+
+diag('debi without --with-depends does not try to satisfy dependencies');
+purge_packages();
+ok(
+ verbose_run(
+ ['dpkg', '-i', "$tmp/devscripts-test-gains-dependency_0_all.deb",]));
+make_changes(qw(gains-dependency));
+ok(!verbose_run([@debi, "$tmp/foo.changes",]),
+ 'debi without --with-depends does not install dependency');
+# It's OK for it to either be unpacked but fail to configure, or be
+# left at version 0.
+isnt(
+ version_of('devscripts-test-gains-dependency') . "::"
+ . status_of('devscripts-test-gains-dependency'),
+ '1::install ok installed',
+ 'package with a dependency was not installed'
+);
+is(version_of('hello'), '', 'third party dependency was not installed');
+
+diag('debi --with-depends does satisfy dependencies');
+purge_packages();
+make_changes(qw(gains-dependency));
+ok(verbose_run([@debi, '--with-depends', "$tmp/foo.changes",]),
+ 'debi --with-depends succeeds');
+is(version_of('devscripts-test-gains-dependency'),
+ '1', 'package with a dependency was installed');
+isnt(version_of('hello'), '', 'third party dependency was installed');
+
+diag('debi --upgrade --with-depends does satisfy new dependencies');
+purge_packages();
+ok(
+ verbose_run(
+ ['dpkg', '-i', "$tmp/devscripts-test-gains-dependency_0_all.deb",]));
+make_changes(qw(gains-dependency not-installed));
+ok(verbose_run([@debi, '--with-depends', '--upgrade', "$tmp/foo.changes",]),
+ 'debi --with-depends --upgrade succeeds');
+is(version_of('devscripts-test-gains-dependency'),
+ '1', 'package with a dependency was installed');
+isnt(version_of('hello'), '', 'third party dependency was installed');
+is(version_of('devscripts-test-not-installed'),
+ '', 'not-installed package was not installed (#932963)');
+
+purge_packages();
+verbose_run(
+ ['dpkg', '-i', "$tmp/devscripts-test-gains-local-dependency_0_all.deb",]);
+make_changes(qw(dependency gains-local-dependency));
+ok(
+ verbose_run([@debi, '--upgrade', '--with-depends', "$tmp/foo.changes",]),
+ 'corner case from #932963: debi --upgrade --with-depends can cope with '
+ . 'a new dependency on a binary from the same source'
+);
+is(version_of('devscripts-test-gains-local-dependency'),
+ '1', 'the package we wanted to upgrade is upgraded');
+is(version_of('devscripts-test-dependency'),
+ '1',
+ 'the new dependency of the package we wanted to upgrade is installed');
+
+purge_packages();
+done_testing;