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platform/chrome: cros_ec_proto: add Kunit tests for get_sensor_count 

cros_ec_get_sensor_count() gets number of MEMS sensors.

Add Kunit tests for cros_ec_get_sensor_count().

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220622041040.202737-7-tzungbi@kernel.org
This commit is contained in:
Tzung-Bi Shih 2022-06-22 04:10:39 +00:00
parent 0023886443
commit 33f0fdba60
3 changed files with 182 additions and 0 deletions
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153
drivers/platform/chrome/cros_ec_proto_test.c
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@ -2442,6 +2442,156 @@ static void cros_ec_proto_test_check_features_not_cached(struct kunit *test)
} }
} }
static void cros_ec_proto_test_get_sensor_count_normal(struct kunit *test)
{
struct cros_ec_proto_test_priv *priv = test->priv;
struct cros_ec_device *ec_dev = &priv->ec_dev;
struct ec_xfer_mock *mock;
int ret;
struct cros_ec_dev ec;
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec.ec_dev = ec_dev;
ec.dev = ec_dev->dev;
ec.cmd_offset = 0;
/* For EC_CMD_MOTION_SENSE_CMD. */
{
struct ec_response_motion_sense *data;
mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
KUNIT_ASSERT_PTR_NE(test, mock, NULL);
data = (struct ec_response_motion_sense *)mock->o_data;
data->dump.sensor_count = 0xbf;
}
ret = cros_ec_get_sensor_count(&ec);
KUNIT_EXPECT_EQ(test, ret, 0xbf);
/* For EC_CMD_MOTION_SENSE_CMD. */
{
struct ec_params_motion_sense *data;
mock = cros_kunit_ec_xfer_mock_next();
KUNIT_EXPECT_PTR_NE(test, mock, NULL);
KUNIT_EXPECT_EQ(test, mock->msg.version, 1);
KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_MOTION_SENSE_CMD);
KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_motion_sense));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
data = (struct ec_params_motion_sense *)mock->i_data;
KUNIT_EXPECT_EQ(test, data->cmd, MOTIONSENSE_CMD_DUMP);
}
}
static void cros_ec_proto_test_get_sensor_count_xfer_error(struct kunit *test)
{
struct cros_ec_proto_test_priv *priv = test->priv;
struct cros_ec_device *ec_dev = &priv->ec_dev;
struct ec_xfer_mock *mock;
int ret;
struct cros_ec_dev ec;
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec.ec_dev = ec_dev;
ec.dev = ec_dev->dev;
ec.cmd_offset = 0;
/* For EC_CMD_MOTION_SENSE_CMD. */
{
mock = cros_kunit_ec_xfer_mock_addx(test, -EPROTO, EC_RES_SUCCESS, 0);
KUNIT_ASSERT_PTR_NE(test, mock, NULL);
}
ret = cros_ec_get_sensor_count(&ec);
KUNIT_EXPECT_EQ(test, ret, -EPROTO);
/* For EC_CMD_MOTION_SENSE_CMD. */
{
struct ec_params_motion_sense *data;
mock = cros_kunit_ec_xfer_mock_next();
KUNIT_EXPECT_PTR_NE(test, mock, NULL);
KUNIT_EXPECT_EQ(test, mock->msg.version, 1);
KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_MOTION_SENSE_CMD);
KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_motion_sense));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
data = (struct ec_params_motion_sense *)mock->i_data;
KUNIT_EXPECT_EQ(test, data->cmd, MOTIONSENSE_CMD_DUMP);
}
}
static void cros_ec_proto_test_get_sensor_count_legacy(struct kunit *test)
{
struct cros_ec_proto_test_priv *priv = test->priv;
struct cros_ec_device *ec_dev = &priv->ec_dev;
struct ec_xfer_mock *mock;
int ret, i;
struct cros_ec_dev ec;
struct {
u8 readmem_data;
int expected_result;
} test_data[] = {
{ 0, 0 },
{ EC_MEMMAP_ACC_STATUS_PRESENCE_BIT, 2 },
};
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec_dev->cmd_readmem = cros_kunit_readmem_mock;
ec.ec_dev = ec_dev;
ec.dev = ec_dev->dev;
ec.cmd_offset = 0;
for (i = 0; i < ARRAY_SIZE(test_data); ++i) {
/* For EC_CMD_MOTION_SENSE_CMD. */
{
mock = cros_kunit_ec_xfer_mock_addx(test, -EPROTO, EC_RES_SUCCESS, 0);
KUNIT_ASSERT_PTR_NE(test, mock, NULL);
}
/* For readmem. */
{
cros_kunit_readmem_mock_data = kunit_kzalloc(test, 1, GFP_KERNEL);
KUNIT_ASSERT_PTR_NE(test, cros_kunit_readmem_mock_data, NULL);
cros_kunit_readmem_mock_data[0] = test_data[i].readmem_data;
cros_kunit_ec_xfer_mock_default_ret = 1;
}
ret = cros_ec_get_sensor_count(&ec);
KUNIT_EXPECT_EQ(test, ret, test_data[i].expected_result);
/* For EC_CMD_MOTION_SENSE_CMD. */
{
struct ec_params_motion_sense *data;
mock = cros_kunit_ec_xfer_mock_next();
KUNIT_EXPECT_PTR_NE(test, mock, NULL);
KUNIT_EXPECT_EQ(test, mock->msg.version, 1);
KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_MOTION_SENSE_CMD);
KUNIT_EXPECT_EQ(test, mock->msg.insize,
sizeof(struct ec_response_motion_sense));
KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
data = (struct ec_params_motion_sense *)mock->i_data;
KUNIT_EXPECT_EQ(test, data->cmd, MOTIONSENSE_CMD_DUMP);
}
/* For readmem. */
{
KUNIT_EXPECT_EQ(test, cros_kunit_readmem_mock_offset, EC_MEMMAP_ACC_STATUS);
}
}
}
static void cros_ec_proto_test_release(struct device *dev) static void cros_ec_proto_test_release(struct device *dev)
{ {
} }
@ -2537,6 +2687,9 @@ static struct kunit_case cros_ec_proto_test_cases[] = {
KUNIT_CASE(cros_ec_proto_test_get_host_event_normal), KUNIT_CASE(cros_ec_proto_test_get_host_event_normal),
KUNIT_CASE(cros_ec_proto_test_check_features_cached), KUNIT_CASE(cros_ec_proto_test_check_features_cached),
KUNIT_CASE(cros_ec_proto_test_check_features_not_cached), KUNIT_CASE(cros_ec_proto_test_check_features_not_cached),
KUNIT_CASE(cros_ec_proto_test_get_sensor_count_normal),
KUNIT_CASE(cros_ec_proto_test_get_sensor_count_xfer_error),
KUNIT_CASE(cros_ec_proto_test_get_sensor_count_legacy),
{} {}
}; };

22
drivers/platform/chrome/cros_kunit_util.c
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@ -105,6 +105,24 @@ struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void)
} }
EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_next); EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_next);
int cros_kunit_readmem_mock_offset;
EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_offset);
u8 *cros_kunit_readmem_mock_data;
EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_data);
int cros_kunit_readmem_mock_ret;
EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_ret);
int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
unsigned int bytes, void *dest)
{
cros_kunit_readmem_mock_offset = offset;
memcpy(dest, cros_kunit_readmem_mock_data, bytes);
return cros_kunit_readmem_mock_ret;
}
EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock);
void cros_kunit_mock_reset(void) void cros_kunit_mock_reset(void)
{ {
cros_kunit_ec_xfer_mock_default_ret = 0; cros_kunit_ec_xfer_mock_default_ret = 0;
@ -112,6 +130,10 @@ void cros_kunit_mock_reset(void)
cros_kunit_ec_pkt_xfer_mock_called = 0; cros_kunit_ec_pkt_xfer_mock_called = 0;
INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_in); INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_in);
INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_out); INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_out);
cros_kunit_readmem_mock_offset = 0;
cros_kunit_readmem_mock_data = NULL;
cros_kunit_readmem_mock_ret = 0;
} }
EXPORT_SYMBOL_GPL(cros_kunit_mock_reset); EXPORT_SYMBOL_GPL(cros_kunit_mock_reset);

7
drivers/platform/chrome/cros_kunit_util.h
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@ -35,6 +35,13 @@ struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
int ret, int result, size_t size); int ret, int result, size_t size);
struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void); struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void);
extern int cros_kunit_readmem_mock_offset;
extern u8 *cros_kunit_readmem_mock_data;
extern int cros_kunit_readmem_mock_ret;
int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
unsigned int bytes, void *dest);
void cros_kunit_mock_reset(void); void cros_kunit_mock_reset(void);
#endif #endif