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proxy-test: work even when the upstream DNS lies

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Rather than depending on the host's DNS configuration to properly
return an error for a non-existent hostname, just substitute in
a dummy GResolver implementation that does it for us.
This commit is contained in:
Dan Winship 2012-05-18 12:18:23 -04:00
parent 555cd1923f
commit 8df2b96a69
1 changed files with 60 additions and 0 deletions
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60
gio/tests/proxy-test.c
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@ -674,6 +674,62 @@ create_server (ServerData *data, GCancellable *cancellable)
}
/******************************************************************/
/* Now a GResolver implementation, so the can't-resolve test will */
/* pass even if you have an evil DNS-faking ISP. */
/******************************************************************/
typedef GResolver GFakeResolver;
typedef GResolverClass GFakeResolverClass;
G_DEFINE_TYPE (GFakeResolver, g_fake_resolver, G_TYPE_RESOLVER)
static void
g_fake_resolver_init (GFakeResolver *gtr)
{
}
static GList *
g_fake_resolver_lookup_by_name (GResolver *resolver,
const gchar *hostname,
GCancellable *cancellable,
GError **error)
{
/* This is only ever called with lookups that are expected to
* fail.
*/
g_set_error (error,
G_RESOLVER_ERROR,
G_RESOLVER_ERROR_NOT_FOUND,
"Not found");
return NULL;
}
static void
g_fake_resolver_lookup_by_name_async (GResolver *resolver,
const gchar *hostname,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_simple_async_report_error_in_idle (G_OBJECT (resolver),
callback, user_data,
G_RESOLVER_ERROR,
G_RESOLVER_ERROR_NOT_FOUND,
"Not found");
}
static void
g_fake_resolver_class_init (GFakeResolverClass *fake_class)
{
GResolverClass *resolver_class = G_RESOLVER_CLASS (fake_class);
resolver_class->lookup_by_name = g_fake_resolver_lookup_by_name;
resolver_class->lookup_by_name_async = g_fake_resolver_lookup_by_name_async;
}
/****************************************/
/* We made it! Now for the actual test! */
/****************************************/
@ -1030,6 +1086,7 @@ int
main (int argc,
char *argv[])
{
GResolver *fake_resolver;
GCancellable *cancellable;
gint result;
@ -1047,6 +1104,9 @@ main (int argc,
g_proxy_b_get_type ();
g_setenv ("GIO_USE_PROXY_RESOLVER", "test", TRUE);
fake_resolver = g_object_new (g_fake_resolver_get_type (), NULL);
g_resolver_set_default (fake_resolver);
cancellable = g_cancellable_new ();
create_server (&server, cancellable);
create_proxy (&proxy_a, 'a', "alpha", cancellable);