lib/query: refactor & rework

- Move the lib/query/ stuff up a level into lib/
- Associate directly with the Query object
- Rework the Query object to be C++ rather than mixed with C
- Update all dependencies, tests

lib/test-indexer.cc

@@ -0,0 +1,70 @@
+/*
+** Copyright (C) 2020 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+**
+** 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 3, 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, write to the Free Software Foundation,
+** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+**
+*/
+
+#include <vector>
+#include <glib.h>
+
+#include <iostream>
+#include <sstream>
+#include <unistd.h>
+
+#include "mu-indexer.hh"
+#include "utils/mu-utils.hh"
+#include "test-mu-common.h"
+
+using namespace Mu;
+
+static void
+test_index_maildir ()
+{
+        allow_warnings();
+
+	Store store{test_mu_common_get_random_tmpdir(), std::string{MU_TESTMAILDIR}};
+	Indexer idx{Indexer::Config{}, store};
+
+	g_assert_true (idx.start());
+        while (idx.is_running()) {
+                sleep(1);
+        }
+
+        g_print ("again!\n");
+
+        g_assert_true (idx.start());
+        while (idx.is_running()) {
+                sleep(1);
+        }
+}
+
+int
+main (int argc, char *argv[]) try
+{
+	g_test_init (&argc, &argv, NULL);
+
+	g_test_add_func ("/indexer/index-maildir", test_index_maildir);
+
+	return g_test_run ();
+
+
+} catch (const std::runtime_error& re) {
+	std::cerr << re.what() << "\n";
+	return 1;
+} catch (...) {
+        std::cerr << "caught exception\n";
+        return 1;
+}