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-rw-r--r--t/Test/DH.pm212
1 files changed, 212 insertions, 0 deletions
diff --git a/t/Test/DH.pm b/t/Test/DH.pm
new file mode 100644
index 0000000..8d9e71f
--- /dev/null
+++ b/t/Test/DH.pm
@@ -0,0 +1,212 @@
+package Test::DH;
+
+use strict;
+use warnings;
+
+use Test::More;
+
+use Cwd qw(getcwd realpath);
+use Errno qw(EEXIST);
+use Exporter qw(import);
+
+use File::Temp qw(tempdir);
+use File::Path qw(remove_tree make_path);
+use File::Basename qw(dirname);
+
+our $ROOT_DIR;
+
+BEGIN {
+ my $res = realpath(__FILE__) or die('Cannot resolve ' . __FILE__ . ": $!");
+ $ROOT_DIR = dirname(dirname(dirname($res)));
+};
+
+use lib "$ROOT_DIR/lib";
+
+# These should be done before Dh_lib is loaded.
+BEGIN {
+ $ENV{PATH} = "$ROOT_DIR:$ENV{PATH}" if $ENV{PATH} !~ m{\Q$ROOT_DIR\E/?:};
+ $ENV{PERL5LIB} = join(':', "${ROOT_DIR}/lib", (grep {defined} $ENV{PERL5LIB}))
+ if not $ENV{PERL5LIB} or $ENV{PERL5LIB} !~ m{\Q$ROOT_DIR\E(?:/lib)?/?:};
+ $ENV{DH_DATAFILES} = "${ROOT_DIR}/t/fixtures:${ROOT_DIR}";
+ # Nothing in the tests requires root.
+ $ENV{DEB_RULES_REQUIRES_ROOT} = 'no';
+ # Disable colors for good measure
+ $ENV{DH_COLORS} = 'never';
+ $ENV{DPKG_COLORS} = 'never';
+
+ # Drop DEB_BUILD_PROFILES and DEB_BUILD_OPTIONS so they don't interfere
+ delete($ENV{DEB_BUILD_PROFILES});
+ delete($ENV{DEB_BUILD_OPTIONS});
+};
+
+use Debian::Debhelper::Dh_Lib qw(!dirname);
+
+our @EXPORT = qw(
+ each_compat_up_to_and_incl_subtest each_compat_subtest
+ each_compat_from_and_above_subtest run_dh_tool
+ create_empty_file readlines copy_file
+ error find_script non_deprecated_compat_levels
+ each_compat_from_x_to_and_incl_y_subtest
+);
+
+our ($TEST_DH_COMPAT);
+
+my $START_DIR = getcwd();
+my $TEST_DIR;
+
+
+sub copy_file {
+ my ($src, $dest, $mode) = @_;
+ $mode //= 0644;
+ return Debian::Debhelper::Dh_Lib::_install_file_to_path($mode, $src, $dest);
+}
+
+sub run_dh_tool {
+ my (@cmd) = @_;
+ my $compat = $TEST_DH_COMPAT;
+ my $options = ref($cmd[0]) ? shift(@cmd) : {};
+ my $pid;
+
+ $pid = fork() // BAIL_OUT("fork failed: $!");
+ if (not $pid) {
+ $ENV{DH_COMPAT} = $compat;
+ $ENV{DH_INTERNAL_TESTSUITE_SILENT_WARNINGS} = 1;
+ if (defined(my $env = $options->{env})) {
+ for my $k (sort(keys(%{$env}))) {
+ if (defined($env->{$k})) {
+ $ENV{$k} = $env->{$k};
+ } else {
+ delete($ENV{$k});
+ }
+ }
+ }
+ if ($options->{quiet}) {
+ open(STDOUT, '>', '/dev/null') or error("Reopen stdout: $!");
+ open(STDERR, '>', '/dev/null') or error("Reopen stderr: $!");
+ } else {
+ # If run under prove/TAP, we don't want to confuse the test runner.
+ open(STDOUT, '>&', *STDERR) or error("Redirect stdout to stderr: $!");
+ }
+ exec(@cmd);
+ }
+ waitpid($pid, 0) == $pid or BAIL_OUT("waitpid($pid) failed: $!");
+ return 1 if not $?;
+ return 0;
+}
+
+sub _prepare_test_root {
+ my $dir = tempdir(CLEANUP => 1);
+ if (not mkdir("$dir/debian", 0777)) {
+ error("mkdir $dir/debian failed: $!")
+ if $! != EEXIST;
+ } else {
+ # auto seed it
+ my @files = qw(
+ debian/control
+ debian/compat
+ debian/changelog
+ );
+ for my $file (@files) {
+ copy_file($file, "${dir}/${file}");
+ }
+ if (@::TEST_DH_EXTRA_TEMPLATE_FILES) {
+ my $test_dir = ($TEST_DIR //= dirname($0));
+ my $fixture_dir = $::TEST_DH_FIXTURE_DIR // '.';
+ my $actual_dir = "$test_dir/$fixture_dir";
+ for my $file (@::TEST_DH_EXTRA_TEMPLATE_FILES) {
+ if (index($file, '/') > -1) {
+ my $install_dir = dirname($file);
+ mkdirs($install_dir);
+ }
+ copy_file("${actual_dir}/${file}", "${dir}/${file}");
+ }
+ }
+ }
+ return $dir;
+}
+
+sub each_compat_from_x_to_and_incl_y_subtest($$&) {
+ my ($compat, $high_compat, $code) = @_;
+ my $lowest = Debian::Debhelper::Dh_Lib::MIN_COMPAT_LEVEL;
+ my $highest = Debian::Debhelper::Dh_Lib::MAX_COMPAT_LEVEL;
+ error("compat $compat is no longer support! Min compat $lowest")
+ if $compat < $lowest;
+ error("$high_compat is from the future! Max known is $highest")
+ if $high_compat > $highest;
+ subtest '' => sub {
+ # Keep $dir alive until the test is over
+ my $dir = _prepare_test_root;
+ chdir($dir) or error("chdir($dir): $!");
+ while ($compat <= $high_compat) {
+ local $TEST_DH_COMPAT = $compat;
+ $code->($compat);
+ ++$compat;
+ }
+ chdir($START_DIR) or error("chdir($START_DIR): $!");
+ };
+ return;
+}
+
+sub each_compat_up_to_and_incl_subtest($&) {
+ unshift(@_, Debian::Debhelper::Dh_Lib::MIN_COMPAT_LEVEL);
+ goto \&each_compat_from_x_to_and_incl_y_subtest;
+}
+
+sub each_compat_from_and_above_subtest($&) {
+ splice(@_, 1, 0, Debian::Debhelper::Dh_Lib::MAX_COMPAT_LEVEL);
+ goto \&each_compat_from_x_to_and_incl_y_subtest;
+}
+
+sub each_compat_subtest(&) {
+ unshift(@_,
+ Debian::Debhelper::Dh_Lib::MIN_COMPAT_LEVEL,
+ Debian::Debhelper::Dh_Lib::MAX_COMPAT_LEVEL);
+ goto \&each_compat_from_x_to_and_incl_y_subtest;
+}
+
+sub create_empty_file {
+ my ($file, $chmod) = @_;
+ open(my $fd, '>', $file) or die("open($file): $!\n");
+ close($fd) or die("close($file): $!\n");
+ if (defined($chmod)) {
+ chmod($chmod, $file)
+ or die(sprintf('chmod(%04o, %s): %s', $chmod, $file, $!));
+ }
+ return 1;
+}
+
+sub readlines {
+ my ($h) = @_;
+ my @lines = <$h>;
+ close $h;
+ chop @lines;
+ return \@lines;
+}
+
+# In *inst order (find_script will shuffle them around for *rm order)
+my @SNIPPET_FILE_TEMPLATES = (
+ 'debian/#PACKAGE#.#SCRIPT#.debhelper',
+ 'debian/.debhelper/generated/#PACKAGE#/#SCRIPT#.service',
+);
+
+sub find_script {
+ my ($package, $script) = @_;
+ my @files;
+ for my $template (@SNIPPET_FILE_TEMPLATES) {
+ my $file = ($template =~ s/#PACKAGE#/$package/r);
+ $file =~ s/#SCRIPT#/$script/;
+ push(@files, $file) if -f $file;
+ }
+ if ($script eq 'postrm' or $script eq 'prerm') {
+ @files = reverse(@files);
+ }
+ return @files;
+}
+
+sub non_deprecated_compat_levels() {
+ my $start = Debian::Debhelper::Dh_Lib::LOWEST_NON_DEPRECATED_COMPAT_LEVEL;
+ my $end = Debian::Debhelper::Dh_Lib::MAX_COMPAT_LEVEL;
+ return ($start..$end);
+}
+
+1;