[libdazzle] tests: add directory reaper test

[Christian Hergert <chergert src gnome org>]

commit 9d9c119dbd40c5c1c2fbed43a3bd0fdaced70cfe
Author: Christian Hergert <chergert redhat com>
Date:   Tue Aug 8 15:45:25 2017 -0700

    tests: add directory reaper test

 tests/meson.build             |    7 +++
 tests/test-directory-reaper.c |   89 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+), 0 deletions(-)
---
diff --git a/tests/meson.build b/tests/meson.build
index aadb66a..f71c4bf 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -312,4 +312,11 @@ test_box = executable('test-box', 'test-box.c',
   dependencies: libdazzle_deps + [libdazzle_dep],
 )
 
+test_directory_reaper = executable('test-directory-reaper', 'test-directory-reaper.c',
+        c_args: test_cflags,
+     link_args: test_link_args,
+  dependencies: libdazzle_deps + [libdazzle_dep],
+)
+test('test-directory-reaper', test_directory_reaper, env: test_env)
+
 endif
diff --git a/tests/test-directory-reaper.c b/tests/test-directory-reaper.c
new file mode 100644
index 0000000..dfdba97
--- /dev/null
+++ b/tests/test-directory-reaper.c
@@ -0,0 +1,89 @@
+/* test-directory-reaper.c
+ *
+ * Copyright (C) 2017 Christian Hergert <chergert redhat com>
+ *
+ * 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 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <dazzle.h>
+#include <glib/gstdio.h>
+#include <errno.h>
+
+typedef struct
+{
+  /* the test data path */
+  const gchar *path;
+
+  /* null for a directory, otherwise file contents */
+  const gchar *data;
+} FileInfo;
+
+static void
+test_reaper_basic (void)
+{
+  g_autoptr(DzlDirectoryReaper) reaper = dzl_directory_reaper_new ();
+  g_autoptr(GFile) file = g_file_new_for_path ("reaper");
+  g_autoptr(GError) error = NULL;
+  gboolean r;
+  static const FileInfo files[] = {
+    /* directories first */
+    { "a/b/c" },
+    { "a/c/b" },
+    { "a/d/e" },
+
+    /* then files */
+    { "a/b/c/f", "" },
+    { "a/c/b/g", "" },
+    { "a/d/e/h", "" },
+  };
+
+  /*
+   * Start out by creating some directories and files so that we can
+   * test that they've been reaped correctly.
+   */
+  for (guint i = 0; i < G_N_ELEMENTS (files); i++)
+    {
+      const FileInfo *info = &files[i];
+      g_autofree gchar *path = g_build_filename ("reaper", info->path, NULL);
+
+      if (info->data == NULL)
+        {
+          r = g_mkdir_with_parents (path, 0750);
+          g_assert_cmpint (r, ==, 0);
+          continue;
+        }
+
+      r = g_file_set_contents (path, info->data, -1, &error);
+      g_assert_no_error (error);
+      g_assert_cmpint (r, ==, TRUE);
+    }
+
+  dzl_directory_reaper_add_directory (reaper, file, 0);
+
+  r = dzl_directory_reaper_execute (reaper, NULL, &error);
+  g_assert_no_error (error);
+  g_assert_cmpint (r, ==, TRUE);
+
+  if (g_rmdir ("reaper") != 0)
+    g_error ("Failed to remove 'reaper': %s", g_strerror (errno));
+}
+
+gint
+main (gint argc,
+      gchar *argv[])
+{
+  g_test_init (&argc, &argv, NULL);
+  g_test_add_func ("/Dazzle/DirectoryReaper/basic", test_reaper_basic);
+  return g_test_run ();
+}