1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/* 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);
FAKE_VALUE_FUNC(int, set_frs_enable, int, int);
FAKE_VOID_FUNC(tcpc_dump_std_registers, 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);
}
ZTEST_F(tcpm_header, test_tcpm_header_tcpc_has_frs_control__flag)
{
Z_TEST_SKIP_IFNDEF(CONFIG_PLATFORM_EC_USB_PD_FRS);
Z_TEST_SKIP_IFDEF(CONFIG_PLATFORM_EC_USB_PD_FRS_TCPC);
/* Determined by tcpc flag when USB_PD_FRS_TCPC is not set. */
tcpc_config[TCPM_TEST_PORT].flags = 0;
zassert_equal(0, tcpm_tcpc_has_frs_control(TCPM_TEST_PORT));
tcpc_config[TCPM_TEST_PORT].flags = TCPC_FLAGS_CONTROL_FRS;
zassert_equal(1, tcpm_tcpc_has_frs_control(TCPM_TEST_PORT));
}
ZTEST_F(tcpm_header, test_tcpm_header_set_frs_enable__unimplemented)
{
Z_TEST_SKIP_IFNDEF(CONFIG_PLATFORM_EC_USB_PD_FRS);
zassert_ok(tcpm_set_frs_enable(TCPM_TEST_PORT, 1));
zassert_ok(tcpm_set_frs_enable(TCPM_TEST_PORT, 0));
}
ZTEST_F(tcpm_header, test_tcpm_header_set_frs_enable__implemented)
{
int res;
const int driver_return_code = 7458; /* arbitrary */
Z_TEST_SKIP_IFNDEF(CONFIG_PLATFORM_EC_USB_PD_FRS);
fixture->mock_driver.set_frs_enable = set_frs_enable;
set_frs_enable_fake.return_val = driver_return_code;
res = tcpm_set_frs_enable(TCPM_TEST_PORT, 1);
zassert_equal(1, set_frs_enable_fake.call_count);
zassert_equal(TCPM_TEST_PORT, set_frs_enable_fake.arg0_history[0]);
zassert_equal(1, set_frs_enable_fake.arg1_history[0]);
zassert_equal(driver_return_code, res);
}
ZTEST_F(tcpm_header, test_tcpm_header_tcpc_get_bist_test_mode__unimplemented)
{
int res;
bool enabled = true; /* Should be overwritten to false */
res = tcpc_get_bist_test_mode(TCPM_TEST_PORT, &enabled);
zassert_equal(EC_ERROR_UNIMPLEMENTED, res);
zassert_false(enabled);
}
ZTEST_F(tcpm_header, test_tcpm_header_get_chip_info__unimplemented)
{
zassert_equal(EC_ERROR_UNIMPLEMENTED,
tcpm_get_chip_info(TCPM_TEST_PORT, 0, NULL));
}
ZTEST_F(tcpm_header, test_tcpm_header_dump_registers__std)
{
Z_TEST_SKIP_IFNDEF(CONFIG_PLATFORM_EC_CONSOLE_CMD_TCPC_DUMP);
/*
* The driver does not implement dump_registers, so the
* standard ones should be dumped instead.
*/
tcpm_dump_registers(TCPM_TEST_PORT);
zassert_equal(1, tcpc_dump_std_registers_fake.call_count);
zassert_equal(TCPM_TEST_PORT,
tcpc_dump_std_registers_fake.arg0_history[0]);
}
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);
RESET_FAKE(set_frs_enable);
RESET_FAKE(tcpc_dump_std_registers);
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);
|
