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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tcpm/tcpm.h"
#include "test/drivers/stubs.h"
#include "test/drivers/test_state.h"
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#define TCPM_TEST_PORT USBC_PORT_C0
FAKE_VALUE_FUNC(int, set_vconn, int, int);
FAKE_VALUE_FUNC(int, reset_bist_type_2, int);
FAKE_VALUE_FUNC(int, debug_accessory, int, bool);
FAKE_VALUE_FUNC(int, debug_detach, int);
FAKE_VALUE_FUNC(int, hard_reset_reinit, int);
struct tcpm_header_fixture {
/* The original driver pointer that gets restored after the tests */
const struct tcpm_drv *saved_driver_ptr;
/* Mock driver that gets substituted */
struct tcpm_drv mock_driver;
/* Saved tcpc config flags that get restored after the tests */
uint32_t saved_tcpc_flags;
};
ZTEST_F(tcpm_header, test_tcpm_header_drv_set_vconn_failure)
{
int res;
tcpc_config[TCPM_TEST_PORT].flags = TCPC_FLAGS_CONTROL_VCONN;
fixture->mock_driver.set_vconn = set_vconn;
set_vconn_fake.return_val = -1;
res = tcpm_set_vconn(TCPM_TEST_PORT, true);
zassert_true(set_vconn_fake.call_count > 0);
zassert_equal(-1, res);
}
ZTEST_F(tcpm_header, test_tcpm_header_reset_bist_type_2__unimplemented)
{
zassert_ok(tcpm_reset_bist_type_2(TCPM_TEST_PORT));
}
ZTEST_F(tcpm_header, test_tcpm_header_reset_bist_type_2__implemented)
{
int res;
const int driver_return_code = 7458; /* arbitrary */
fixture->mock_driver.reset_bist_type_2 = reset_bist_type_2;
reset_bist_type_2_fake.return_val = driver_return_code;
res = tcpm_reset_bist_type_2(TCPM_TEST_PORT);
zassert_equal(1, reset_bist_type_2_fake.call_count);
zassert_equal(TCPM_TEST_PORT, reset_bist_type_2_fake.arg0_history[0]);
zassert_equal(driver_return_code, res);
}
ZTEST_F(tcpm_header, test_tcpm_header_debug_accessory__unimplemented)
{
zassert_ok(tcpm_debug_accessory(TCPM_TEST_PORT, true));
zassert_ok(tcpm_debug_accessory(TCPM_TEST_PORT, false));
}
ZTEST_F(tcpm_header, test_tcpm_header_debug_accessory__implemented)
{
int res;
const int driver_return_code = 7458; /* arbitrary */
fixture->mock_driver.debug_accessory = debug_accessory;
debug_accessory_fake.return_val = driver_return_code;
res = tcpm_debug_accessory(TCPM_TEST_PORT, true);
zassert_equal(1, debug_accessory_fake.call_count);
zassert_equal(TCPM_TEST_PORT, debug_accessory_fake.arg0_history[0]);
zassert_true(debug_accessory_fake.arg1_history[0]);
zassert_equal(driver_return_code, res);
}
ZTEST_F(tcpm_header, test_tcpm_header_debug_detach__unimplemented)
{
zassert_ok(tcpm_debug_detach(TCPM_TEST_PORT));
}
ZTEST_F(tcpm_header, test_tcpm_header_debug_detach__implemented)
{
int res;
const int driver_return_code = 7458; /* arbitrary */
fixture->mock_driver.debug_detach = debug_detach;
debug_detach_fake.return_val = driver_return_code;
res = tcpm_debug_detach(TCPM_TEST_PORT);
zassert_equal(1, debug_detach_fake.call_count);
zassert_equal(TCPM_TEST_PORT, debug_detach_fake.arg0_history[0]);
zassert_equal(driver_return_code, res);
}
ZTEST_F(tcpm_header, test_tcpm_header_hard_reset_reinit__unimplemented)
{
int res;
res = tcpm_hard_reset_reinit(TCPM_TEST_PORT);
zassert_equal(EC_ERROR_UNIMPLEMENTED, res);
}
ZTEST_F(tcpm_header, test_tcpm_header_hard_reset_reinit__implemented)
{
int res;
const int driver_return_code = 7458; /* arbitrary */
fixture->mock_driver.hard_reset_reinit = hard_reset_reinit;
hard_reset_reinit_fake.return_val = driver_return_code;
res = tcpm_hard_reset_reinit(TCPM_TEST_PORT);
zassert_equal(1, hard_reset_reinit_fake.call_count);
zassert_equal(TCPM_TEST_PORT, hard_reset_reinit_fake.arg0_history[0]);
zassert_equal(driver_return_code, res);
}
static void *tcpm_header_setup(void)
{
static struct tcpm_header_fixture fixture;
return &fixture;
}
static void tcpm_header_before(void *state)
{
struct tcpm_header_fixture *fixture = state;
RESET_FAKE(set_vconn);
RESET_FAKE(reset_bist_type_2);
RESET_FAKE(debug_accessory);
RESET_FAKE(debug_detach);
RESET_FAKE(hard_reset_reinit);
fixture->mock_driver = (struct tcpm_drv){ 0 };
fixture->saved_driver_ptr = tcpc_config[TCPM_TEST_PORT].drv;
tcpc_config[TCPM_TEST_PORT].drv = &fixture->mock_driver;
fixture->saved_tcpc_flags = tcpc_config[TCPM_TEST_PORT].flags;
}
static void tcpm_header_after(void *state)
{
struct tcpm_header_fixture *fixture = state;
tcpc_config[TCPM_TEST_PORT].drv = fixture->saved_driver_ptr;
tcpc_config[TCPM_TEST_PORT].flags = fixture->saved_tcpc_flags;
}
ZTEST_SUITE(tcpm_header, drivers_predicate_pre_main, tcpm_header_setup,
tcpm_header_before, tcpm_header_after, NULL);
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