[gcr/wip/dueno/ssh-agent: 3/4] egg: port scratch file/directory functions from gnome-keyring

[Daiki Ueno <dueno src gnome org>]

commit 9fe023a52a3ab7209fb8061f32f0f1143e2f3d07
Author: Daiki Ueno <dueno src gnome org>
Date:   Thu Feb 11 17:19:05 2021 +0100

    egg: port scratch file/directory functions from gnome-keyring
    
    Those are useful for testing ssh-agent stuff.

 egg/egg-testing.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 egg/egg-testing.h |  8 +++++++
 2 files changed, 76 insertions(+)
---
diff --git a/egg/egg-testing.c b/egg/egg-testing.c
index 6ca46a8..6439366 100644
--- a/egg/egg-testing.c
+++ b/egg/egg-testing.c
@@ -332,3 +332,71 @@ egg_tests_run_with_loop (void)
 
        return ret;
 }
+
+void
+egg_tests_copy_scratch_file (const gchar *directory,
+                             const gchar *filename)
+{
+       GError *error = NULL;
+       gchar *basename;
+       gchar *contents;
+       gchar *destination;
+       gsize length;
+
+       g_assert (directory);
+
+       g_file_get_contents (filename, &contents, &length, &error);
+       g_assert_no_error (error);
+
+       basename = g_path_get_basename (filename);
+       destination = g_build_filename (directory, basename, NULL);
+       g_free (basename);
+
+       g_file_set_contents (destination, contents, length, &error);
+       g_assert_no_error (error);
+       g_free (destination);
+       g_free (contents);
+}
+
+gchar *
+egg_tests_create_scratch_directory (const gchar *file_to_copy,
+                                    ...)
+{
+       gchar *basename;
+       gchar *directory;
+       va_list va;
+
+       basename = g_path_get_basename (g_get_prgname ());
+       directory = g_strdup_printf ("/tmp/scratch-%s.XXXXXX", basename);
+       g_free (basename);
+
+       if (!g_mkdtemp (directory))
+               g_assert_not_reached ();
+
+       va_start (va, file_to_copy);
+
+       while (file_to_copy != NULL) {
+               egg_tests_copy_scratch_file (directory, file_to_copy);
+               file_to_copy = va_arg (va, const gchar *);
+       }
+
+       va_end (va);
+
+       return directory;
+}
+
+void
+egg_tests_remove_scratch_directory (const gchar *directory)
+{
+       gchar *argv[] = { "rm", "-rf", (gchar *)directory, NULL };
+       GError *error = NULL;
+       gint rm_status;
+
+       g_assert_cmpstr (directory, !=, "");
+       g_assert_cmpstr (directory, !=, "/");
+
+       g_spawn_sync (NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
+                     NULL, NULL, NULL, &rm_status, &error);
+       g_assert_no_error (error);
+       g_assert_cmpint (rm_status, ==, 0);
+}
diff --git a/egg/egg-testing.h b/egg/egg-testing.h
index a98a782..4a5373f 100644
--- a/egg/egg-testing.h
+++ b/egg/egg-testing.h
@@ -74,4 +74,12 @@ gint       egg_tests_run_with_loop             (void);
                                                  }                                           \
                                                  G_STMT_END
 
+void       egg_tests_copy_scratch_file         (const gchar *directory,
+                                                const gchar *file_to_copy);
+
+gchar *    egg_tests_create_scratch_directory  (const gchar *file_to_copy,
+                                                ...) G_GNUC_NULL_TERMINATED;
+
+void       egg_tests_remove_scratch_directory  (const gchar *directory);
+
 #endif /* EGG_DH_H_ */