hoist out resolve_repo_dir from -index

We'll be using it in future admin tools, and making this
easier-to-test.

1 files changed, 81 insertions, 0 deletions

diff --git a/t/admin.t b/t/admin.t
new file mode 100644
index 00000000..cc1e65d1
--- /dev/null
+++ b/t/admin.t
@@ -0,0 +1,81 @@
+# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Test::More;
+use File::Temp qw(tempdir);
+# use Cwd qw(getcwd);
+use_ok 'PublicInbox::Admin', qw(resolve_repo_dir);
+my $tmpdir = tempdir('pi-admin.XXXXXX', TMPDIR => 1, CLEANUP => 1);
+my $git_dir = "$tmpdir/v1";
+my $v2_dir = "$tmpdir/v2";
+my ($res, $err, $v);
+
+is(0, system(qw(git init -q --bare), $git_dir), 'git init v1');
+
+# v1
+is(resolve_repo_dir($git_dir), $git_dir, 'top-level GIT_DIR resolved');
+is(resolve_repo_dir("$git_dir/objects"), $git_dir, 'GIT_DIR/objects resolved');
+
+ok(chdir($git_dir), 'chdir GIT_DIR works');
+is(resolve_repo_dir(), $git_dir, 'resolve_repo_dir works in GIT_DIR');
+
+ok(chdir("$git_dir/objects"), 'chdir GIT_DIR/objects works');
+is(resolve_repo_dir(), $git_dir, 'resolve_repo_dir works in GIT_DIR');
+$res = resolve_repo_dir(undef, \$v);
+is($v, 1, 'version 1 detected');
+is($res, $git_dir, 'detects directory along with version');
+
+# $tmpdir could be inside a git working, directory, so we test '/'
+SKIP: {
+        my $no_vcs_dir = '/';
+        # do people version-control "/"?
+        skip "$no_vcs_dir is version controlled by git", 4 if -d '/.git';
+        open my $null, '>', '/dev/null' or die "open /dev/null: $!";
+        open my $olderr, '>&', \*STDERR or die "dup stderr: $!";
+
+        ok(chdir($no_vcs_dir), 'chdir to a non-inbox');
+        open STDERR, '>&', $null or die "redirect stderr to /dev/null: $!";
+        $res = eval { resolve_repo_dir() };
+        open STDERR, '>&', $olderr or die "restore stderr: $!";
+        is($res, undef, 'fails inside non-version-controlled dir');
+
+        ok(chdir($tmpdir), 'back to test-specific $tmpdir');
+        open STDERR, '>&', $null or die "redirect stderr to /dev/null: $!";
+        $res = eval { resolve_repo_dir($no_vcs_dir) };
+        $err = $@;
+        open STDERR, '>&', $olderr or die "restore stderr: $!";
+        is($res, undef, 'fails on non-version-controlled dir');
+        ok($err, '$@ set on failure');
+}
+
+# v2
+SKIP: {
+        for my $m (qw(DBD::SQLite Search::Xapian)) {
+                skip "$m missing", 5 unless eval "require $m";
+        }
+        use_ok 'PublicInbox::V2Writable';
+        use_ok 'PublicInbox::Inbox';
+        my $ibx = PublicInbox::Inbox->new({
+                        mainrepo => $v2_dir,
+                        name => 'test-v2writable',
+                        version => 2,
+                        -primary_address => 'test@example.com',
+                        indexlevel => 'basic',
+                });
+        PublicInbox::V2Writable->new($ibx, 1)->idx_init;
+
+        ok(-e "$v2_dir/inbox.lock", 'exists');
+        is(resolve_repo_dir($v2_dir), $v2_dir,
+                'resolve_repo_dir works on v2_dir');
+        ok(chdir($v2_dir), 'chdir v2_dir OK');
+        is(resolve_repo_dir(), $v2_dir, 'resolve_repo_dir works inside v2_dir');
+        $res = resolve_repo_dir(undef, \$v);
+        is($v, 2, 'version 2 detected');
+        is($res, $v2_dir, 'detects directory along with version');
+
+        # TODO: should work from inside Xapian dirs, and git dirs, here...
+}
+
+chdir '/';
+done_testing();