[gnome-software] trivial: Add gs_plugin_error_to_string()

[Richard Hughes <rhughes src gnome org>]

commit 712d09c8658bd6bea4e5970d0987a83a8e48f94c
Author: Richard Hughes <richard hughsie com>
Date:   Wed Sep 7 11:10:06 2016 +0100

    trivial: Add gs_plugin_error_to_string()

 src/gs-plugin-private.h |    2 +-
 src/gs-plugin.c         |   36 ++++++++++++++++++++++++++++++++++++
 src/gs-self-test.c      |    9 +++++++++
 3 files changed, 46 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-plugin-private.h b/src/gs-plugin-private.h
index c9cf71a..9c90107 100644
--- a/src/gs-plugin-private.h
+++ b/src/gs-plugin-private.h
@@ -34,7 +34,7 @@ G_BEGIN_DECLS
 GsPlugin       *gs_plugin_new                          (void);
 GsPlugin       *gs_plugin_create                       (const gchar    *filename,
                                                         GError         **error);
-
+const gchar    *gs_plugin_error_to_string              (GsPluginError   error);
 void            gs_plugin_action_start                 (GsPlugin       *plugin,
                                                         gboolean        exclusive);
 void            gs_plugin_action_stop                  (GsPlugin       *plugin);
diff --git a/src/gs-plugin.c b/src/gs-plugin.c
index 5d37fd8..04e75db 100644
--- a/src/gs-plugin.c
+++ b/src/gs-plugin.c
@@ -1268,6 +1268,42 @@ gs_plugin_cache_invalidate (GsPlugin *plugin)
        g_hash_table_remove_all (priv->cache);
 }
 
+/**
+ * gs_plugin_error_to_string:
+ * @error: a #GsPluginError, e.g. %GS_PLUGIN_ERROR_NO_NETWORK
+ *
+ * Converts the enumerated error to a string.
+ *
+ * Returns: a string, or %NULL for invalid
+ **/
+const gchar *
+gs_plugin_error_to_string (GsPluginError error)
+{
+       if (error == GS_PLUGIN_ERROR_FAILED)
+               return "failed";
+       if (error == GS_PLUGIN_ERROR_NOT_SUPPORTED)
+               return "not-supported";
+       if (error == GS_PLUGIN_ERROR_CANCELLED)
+               return "cancelled";
+       if (error == GS_PLUGIN_ERROR_NO_NETWORK)
+               return "no-network";
+       if (error == GS_PLUGIN_ERROR_NO_SECURITY)
+               return "no-security";
+       if (error == GS_PLUGIN_ERROR_NO_SPACE)
+               return "no-space";
+       if (error == GS_PLUGIN_ERROR_AUTH_REQUIRED)
+               return "auth-required";
+       if (error == GS_PLUGIN_ERROR_AUTH_INVALID)
+               return "auth-invalid";
+       if (error == GS_PLUGIN_ERROR_PIN_REQUIRED)
+               return "pin-required";
+       if (error == GS_PLUGIN_ERROR_ACCOUNT_SUSPENDED)
+               return "account-suspended";
+       if (error == GS_PLUGIN_ERROR_ACCOUNT_DEACTIVATED)
+               return "account-deactivated";
+       return NULL;
+}
+
 static void
 gs_plugin_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
 {
diff --git a/src/gs-self-test.c b/src/gs-self-test.c
index 2159948..4223739 100644
--- a/src/gs-self-test.c
+++ b/src/gs-self-test.c
@@ -89,6 +89,14 @@ gs_os_release_func (void)
 }
 
 static void
+gs_plugin_error_func (void)
+{
+       guint i;
+       for (i = 0; i < GS_PLUGIN_ERROR_LAST; i++)
+               g_assert (gs_plugin_error_to_string (i) != NULL);
+}
+
+static void
 gs_plugin_global_cache_func (void)
 {
        const gchar *unique_id;
@@ -1341,6 +1349,7 @@ main (int argc, char **argv)
        g_test_add_func ("/gnome-software/app", gs_app_func);
        g_test_add_func ("/gnome-software/app{unique-id}", gs_app_unique_id_func);
        g_test_add_func ("/gnome-software/plugin", gs_plugin_func);
+       g_test_add_func ("/gnome-software/plugin{error}", gs_plugin_error_func);
        g_test_add_func ("/gnome-software/plugin{global-cache}", gs_plugin_global_cache_func);
        g_test_add_func ("/gnome-software/auth{secret}", gs_auth_secret_func);