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/*
 * Purple - Internet Messaging Library
 * Copyright (C) Pidgin Developers <devel@pidgin.im>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <https://www.gnu.org/licenses/>.
 */

#include <glib.h>

#include <purple.h>

/******************************************************************************
 * TestCredentialProviderEmpty
 *****************************************************************************/
G_DECLARE_FINAL_TYPE(TestPurpleCredentialProviderEmpty,
                     test_purple_credential_provider_empty,
                     TEST_PURPLE, CREDENTIAL_PROVIDER_EMPTY,
                     PurpleCredentialProvider)

struct _TestPurpleCredentialProviderEmpty {
	PurpleCredentialProvider parent;
};

G_DEFINE_FINAL_TYPE(TestPurpleCredentialProviderEmpty,
                    test_purple_credential_provider_empty,
                    PURPLE_TYPE_CREDENTIAL_PROVIDER)

static void
test_purple_credential_provider_empty_read_password_async(G_GNUC_UNUSED PurpleCredentialProvider *provider,
                                                          G_GNUC_UNUSED PurpleAccount *account,
                                                          G_GNUC_UNUSED GCancellable *cancellable,
                                                          G_GNUC_UNUSED GAsyncReadyCallback callback,
                                                          G_GNUC_UNUSED gpointer data)
{
}

static char *
test_purple_credential_provider_empty_read_password_finish(G_GNUC_UNUSED PurpleCredentialProvider *provider,
                                                           G_GNUC_UNUSED GAsyncResult *result,
                                                           G_GNUC_UNUSED GError **error)
{
	return NULL;
}

static void
test_purple_credential_provider_empty_write_password_async(G_GNUC_UNUSED PurpleCredentialProvider *provider,
                                                           G_GNUC_UNUSED PurpleAccount *account,
                                                           G_GNUC_UNUSED const char *password,
                                                           G_GNUC_UNUSED GCancellable *cancellable,
                                                           G_GNUC_UNUSED GAsyncReadyCallback callback,
                                                           G_GNUC_UNUSED gpointer data)
{
}

static gboolean
test_purple_credential_provider_empty_write_password_finish(G_GNUC_UNUSED PurpleCredentialProvider *provider,
                                                            G_GNUC_UNUSED GAsyncResult *result,
                                                            G_GNUC_UNUSED GError **error)
{
	return TRUE;
}

static void
test_purple_credential_provider_empty_class_init(G_GNUC_UNUSED TestPurpleCredentialProviderEmptyClass *klass)
{
}

static void
test_purple_credential_provider_empty_init(G_GNUC_UNUSED TestPurpleCredentialProviderEmpty *provider)
{
}

/******************************************************************************
 * purple_credential_provider_is_valid tests
 *****************************************************************************/
static void
test_purple_credential_provider_is_valid_no_id(void) {
	PurpleCredentialProvider *provider = NULL;
	GError *error = NULL;

	provider = g_object_new(
		test_purple_credential_provider_empty_get_type(),
		"name", "name",
		NULL);

	g_assert_false(purple_credential_provider_is_valid(provider, &error));
	g_assert_error(error, PURPLE_CREDENTIAL_PROVIDER_DOMAIN, 0);
	g_clear_error(&error);

	g_assert_finalize_object(provider);
}

static void
test_purple_credential_provider_is_valid_no_name(void) {
	PurpleCredentialProvider *provider = NULL;
	GError *error = NULL;

	provider = g_object_new(
		test_purple_credential_provider_empty_get_type(),
		"id", "id",
		NULL);

	g_assert_false(purple_credential_provider_is_valid(provider, &error));
	g_assert_error(error, PURPLE_CREDENTIAL_PROVIDER_DOMAIN, 1);
	g_clear_error(&error);

	g_assert_finalize_object(provider);
}

static void
test_purple_credential_provider_is_valid_no_reader(void) {
	PurpleCredentialProvider *provider = NULL;
	PurpleCredentialProviderClass *klass = NULL;
	GError *error = NULL;

	provider = g_object_new(
		test_purple_credential_provider_empty_get_type(),
		"id", "id",
		"name", "name",
		NULL);

	klass = PURPLE_CREDENTIAL_PROVIDER_GET_CLASS(provider);
	klass->read_password_async = NULL;
	klass->read_password_finish = NULL;
	klass->write_password_async = test_purple_credential_provider_empty_write_password_async;
	klass->write_password_finish = test_purple_credential_provider_empty_write_password_finish;

	g_assert_false(purple_credential_provider_is_valid(provider, &error));
	g_assert_error(error, PURPLE_CREDENTIAL_PROVIDER_DOMAIN, 2);
	g_clear_error(&error);

	g_assert_finalize_object(provider);
}

static void
test_purple_credential_provider_is_valid_no_writer(void) {
	PurpleCredentialProvider *provider = NULL;
	PurpleCredentialProviderClass *klass = NULL;
	GError *error = NULL;

	provider = g_object_new(
		test_purple_credential_provider_empty_get_type(),
		"id", "id",
		"name", "name",
		NULL);

	klass = PURPLE_CREDENTIAL_PROVIDER_GET_CLASS(provider);
	klass->read_password_async = test_purple_credential_provider_empty_read_password_async;
	klass->read_password_finish = test_purple_credential_provider_empty_read_password_finish;
	klass->write_password_async = NULL;
	klass->write_password_finish = NULL;

	g_assert_false(purple_credential_provider_is_valid(provider, &error));
	g_assert_error(error, PURPLE_CREDENTIAL_PROVIDER_DOMAIN, 3);
	g_clear_error(&error);

	g_assert_finalize_object(provider);
}

static void
test_purple_credential_provider_is_valid_valid(void) {
	PurpleCredentialProvider *provider = NULL;
	PurpleCredentialProviderClass *klass = NULL;
	GError *error = NULL;
	gboolean ret = FALSE;

	provider = g_object_new(
		test_purple_credential_provider_empty_get_type(),
		"id", "id",
		"name", "name",
		NULL);

	klass = PURPLE_CREDENTIAL_PROVIDER_GET_CLASS(provider);
	klass->read_password_async = test_purple_credential_provider_empty_read_password_async;
	klass->read_password_finish = test_purple_credential_provider_empty_read_password_finish;
	klass->write_password_async = test_purple_credential_provider_empty_write_password_async;
	klass->write_password_finish = test_purple_credential_provider_empty_write_password_finish;

	ret = purple_credential_provider_is_valid(provider, &error);
	g_assert_no_error(error);
	g_assert_true(ret);

	g_assert_finalize_object(provider);
}

/******************************************************************************
 * TestPurpleCredentialProvider
 *****************************************************************************/
G_DECLARE_FINAL_TYPE(TestPurpleCredentialProvider,
                     test_purple_credential_provider,
                     TEST_PURPLE, CREDENTIAL_PROVIDER,
                     PurpleCredentialProvider)

struct _TestPurpleCredentialProvider {
	PurpleCredentialProvider parent;

	gboolean read_password_async;
	gboolean read_password_finish;
	gboolean write_password_async;
	gboolean write_password_finish;
	gboolean clear_password_async;
	gboolean clear_password_finish;
};

G_DEFINE_FINAL_TYPE(TestPurpleCredentialProvider,
                    test_purple_credential_provider,
                    PURPLE_TYPE_CREDENTIAL_PROVIDER)

static void
test_purple_credential_provider_read_password_async(PurpleCredentialProvider *p,
                                                    G_GNUC_UNUSED PurpleAccount *account,
                                                    GCancellable *cancellable,
                                                    GAsyncReadyCallback callback,
                                                    gpointer data)
{
	TestPurpleCredentialProvider *provider = TEST_PURPLE_CREDENTIAL_PROVIDER(p);
	GTask *task = NULL;

	provider->read_password_async = TRUE;

	task = g_task_new(p, cancellable, callback, data);
	g_task_return_pointer(task, NULL, NULL);
	g_object_unref(task);
}

static char *
test_purple_credential_provider_read_password_finish(PurpleCredentialProvider *p,
                                                     GAsyncResult *result,
                                                     GError **error)
{
	TestPurpleCredentialProvider *provider = TEST_PURPLE_CREDENTIAL_PROVIDER(p);

	provider->read_password_finish = TRUE;

	return g_task_propagate_pointer(G_TASK(result), error);
}

static void
test_purple_credential_provider_write_password_async(PurpleCredentialProvider *p,
                                                     G_GNUC_UNUSED PurpleAccount *account,
                                                     G_GNUC_UNUSED const char *password,
                                                     GCancellable *cancellable,
                                                     GAsyncReadyCallback callback,
                                                     gpointer data)
{
	TestPurpleCredentialProvider *provider = TEST_PURPLE_CREDENTIAL_PROVIDER(p);
	GTask *task = NULL;

	provider->write_password_async = TRUE;

	task = g_task_new(p, cancellable, callback, data);
	g_task_return_boolean(task, TRUE);
	g_object_unref(task);
}

static gboolean
test_purple_credential_provider_write_password_finish(PurpleCredentialProvider *p,
                                                      GAsyncResult *result,
                                                      GError **error)
{
	TestPurpleCredentialProvider *provider = TEST_PURPLE_CREDENTIAL_PROVIDER(p);

	provider->write_password_finish = TRUE;

	return g_task_propagate_boolean(G_TASK(result), error);
}

static void
test_purple_credential_provider_clear_password_async(PurpleCredentialProvider *p,
                                                     G_GNUC_UNUSED PurpleAccount *account,
                                                     GCancellable *cancellable,
                                                     GAsyncReadyCallback callback,
                                                     gpointer data)
{
	TestPurpleCredentialProvider *provider = TEST_PURPLE_CREDENTIAL_PROVIDER(p);
	GTask *task = NULL;

	provider->clear_password_async = TRUE;

	task = g_task_new(p, cancellable, callback, data);
	g_task_return_boolean(task, TRUE);
	g_object_unref(task);
}

static gboolean
test_purple_credential_provider_clear_password_finish(PurpleCredentialProvider *p,
                                                      GAsyncResult *result,
                                                      GError **error)
{
	TestPurpleCredentialProvider *provider = TEST_PURPLE_CREDENTIAL_PROVIDER(p);

	provider->clear_password_finish = TRUE;

	return g_task_propagate_boolean(G_TASK(result), error);
}

static void
test_purple_credential_provider_init(G_GNUC_UNUSED TestPurpleCredentialProvider *provider) {
}

static void
test_purple_credential_provider_class_init(TestPurpleCredentialProviderClass *klass)
{
	PurpleCredentialProviderClass *provider_class = PURPLE_CREDENTIAL_PROVIDER_CLASS(klass);

	provider_class->read_password_async = test_purple_credential_provider_read_password_async;
	provider_class->read_password_finish = test_purple_credential_provider_read_password_finish;
	provider_class->write_password_async = test_purple_credential_provider_write_password_async;
	provider_class->write_password_finish = test_purple_credential_provider_write_password_finish;
	provider_class->clear_password_async = test_purple_credential_provider_clear_password_async;
	provider_class->clear_password_finish = test_purple_credential_provider_clear_password_finish;
}

static PurpleCredentialProvider *
test_purple_credential_provider_new(void) {
	return g_object_new(
		test_purple_credential_provider_get_type(),
		"id", "test-provider",
		"name", "Test Provider",
		NULL);
}

/******************************************************************************
 * TestPurpleCredentialProvider Tests
 *****************************************************************************/
static void
test_purple_credential_provider_test_read_cb(GObject *obj, GAsyncResult *res,
                                             G_GNUC_UNUSED gpointer data)
{
	PurpleCredentialProvider *provider = PURPLE_CREDENTIAL_PROVIDER(obj);
	GError *error = NULL;
	char *password = NULL;

	password = purple_credential_provider_read_password_finish(provider, res,
	                                                           &error);
	g_assert_no_error(error);
	g_assert_null(password);
}

static void
test_purple_credential_provider_test_read(void) {
	TestPurpleCredentialProvider *test_provider = NULL;
	PurpleAccount *account = NULL;
	PurpleCredentialProvider *provider = NULL;

	provider = test_purple_credential_provider_new();
	test_provider = TEST_PURPLE_CREDENTIAL_PROVIDER(provider);

	account = purple_account_new("test", "test");

	purple_credential_provider_read_password_async(provider, account, NULL,
	                                               test_purple_credential_provider_test_read_cb,
	                                               NULL);

	g_main_context_iteration(NULL, FALSE);

	g_assert_true(test_provider->read_password_async);
	g_assert_true(test_provider->read_password_finish);
	g_assert_false(test_provider->write_password_async);
	g_assert_false(test_provider->write_password_finish);
	g_assert_false(test_provider->clear_password_async);
	g_assert_false(test_provider->clear_password_finish);

	g_assert_finalize_object(provider);
	g_clear_object(&account);
}

static void
test_purple_credential_provider_test_write_cb(GObject *obj, GAsyncResult *res,
                                              G_GNUC_UNUSED gpointer data)
{
	PurpleCredentialProvider *provider = PURPLE_CREDENTIAL_PROVIDER(obj);
	GError *error = NULL;
	gboolean ret = FALSE;

	ret = purple_credential_provider_write_password_finish(provider, res,
	                                                       &error);
	g_assert_no_error(error);
	g_assert_true(ret);
}

static void
test_purple_credential_provider_test_write(void) {
	TestPurpleCredentialProvider *test_provider = NULL;
	PurpleAccount *account = NULL;
	PurpleCredentialProvider *provider = NULL;

	provider = test_purple_credential_provider_new();
	test_provider = TEST_PURPLE_CREDENTIAL_PROVIDER(provider);

	account = purple_account_new("test", "test");

	purple_credential_provider_write_password_async(provider, account, NULL,
	                                                NULL,
	                                                test_purple_credential_provider_test_write_cb,
	                                                NULL);

	g_main_context_iteration(NULL, FALSE);

	g_assert_false(test_provider->read_password_async);
	g_assert_false(test_provider->read_password_finish);
	g_assert_true(test_provider->write_password_async);
	g_assert_true(test_provider->write_password_finish);
	g_assert_false(test_provider->clear_password_async);
	g_assert_false(test_provider->clear_password_finish);

	g_assert_finalize_object(provider);
	g_clear_object(&account);
}

static void
test_purple_credential_provider_test_clear_cb(GObject *obj, GAsyncResult *res,
                                              G_GNUC_UNUSED gpointer data)
{
	PurpleCredentialProvider *provider = PURPLE_CREDENTIAL_PROVIDER(obj);
	GError *error = NULL;
	gboolean ret = FALSE;

	ret = purple_credential_provider_clear_password_finish(provider, res,
	                                                       &error);
	g_assert_no_error(error);
	g_assert_true(ret);
}

static void
test_purple_credential_provider_test_clear(void) {
	TestPurpleCredentialProvider *test_provider = NULL;
	PurpleAccount *account = NULL;
	PurpleCredentialProvider *provider = NULL;

	provider = test_purple_credential_provider_new();
	test_provider = TEST_PURPLE_CREDENTIAL_PROVIDER(provider);

	account = purple_account_new("test", "test");

	purple_credential_provider_clear_password_async(provider, account, NULL,
	                                                test_purple_credential_provider_test_clear_cb,
	                                                NULL);

	g_main_context_iteration(NULL, FALSE);

	g_assert_false(test_provider->read_password_async);
	g_assert_false(test_provider->read_password_finish);
	g_assert_false(test_provider->write_password_async);
	g_assert_false(test_provider->write_password_finish);
	g_assert_true(test_provider->clear_password_async);
	g_assert_true(test_provider->clear_password_finish);

	g_assert_finalize_object(provider);
	g_clear_object(&account);
}

/******************************************************************************
 * Main
 *****************************************************************************/
int
main(int argc, char *argv[]) {
	g_test_init(&argc, &argv, NULL);
	g_test_set_nonfatal_assertions();

	g_test_add_func("/credential-provider/is-valid/no-id",
	                test_purple_credential_provider_is_valid_no_id);
	g_test_add_func("/credential-provider/is-valid/no-name",
	                test_purple_credential_provider_is_valid_no_name);
	g_test_add_func("/credential-provider/is-valid/no-reader",
	                test_purple_credential_provider_is_valid_no_reader);
	g_test_add_func("/credential-provider/is-valid/no-writer",
	                test_purple_credential_provider_is_valid_no_writer);
	g_test_add_func("/credential-provider/is-valid/valid",
	                test_purple_credential_provider_is_valid_valid);

	g_test_add_func("/credential-provider/functional/read",
	                test_purple_credential_provider_test_read);
	g_test_add_func("/credential-provider/functional/write",
	                test_purple_credential_provider_test_write);
	g_test_add_func("/credential-provider/functional/clear",
	                test_purple_credential_provider_test_clear);

	return g_test_run();
}