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| author |   Tzung-Bi Shih <tzungbi@kernel.org> | 2022-06-22 04:10:35 +0000 |
|---|---|---|
| committer | Tzung-Bi Shih <tzungbi@kernel.org> | 2022-07-20 01:22:58 +0000 |
| commit | 1242688fc2f080530b6414ef5f1ae63fb548a6b0 (patch) | |
| tree | de997e5f7c63d687a39a4182824a89eea26a1b64 /drivers/platform/chrome | |
| parent | platform/chrome: cros_ec_proto: add Kunit tests for cmd_xfer_status (diff) | |
| download | linux-dev-1242688fc2f080530b6414ef5f1ae63fb548a6b0.tar.xz linux-dev-1242688fc2f080530b6414ef5f1ae63fb548a6b0.zip | |
platform/chrome: cros_ec_proto: add Kunit test for cros_ec_map_error()
cros_ec_cmd_xfer_status() is the only exported function that calls
static function cros_ec_map_error().
Add Kunit test for cros_ec_map_error() through calling
cros_ec_cmd_xfer_status().
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220622041040.202737-3-tzungbi@kernel.org
Diffstat (limited to 'drivers/platform/chrome')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_proto_test.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c index 7949a2fa9c77..7fcda5e55378 100644 --- a/drivers/platform/chrome/cros_ec_proto_test.c +++ b/drivers/platform/chrome/cros_ec_proto_test.c @@ -2004,6 +2004,54 @@ static void cros_ec_proto_test_cmd_xfer_status_xfer_error(struct kunit *test) KUNIT_EXPECT_EQ(test, ret, -EPROTO); } +static void cros_ec_proto_test_cmd_xfer_status_return_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, i; + struct cros_ec_command msg; + static const int map[] = { + [EC_RES_SUCCESS] = 0, + [EC_RES_INVALID_COMMAND] = -EOPNOTSUPP, + [EC_RES_ERROR] = -EIO, + [EC_RES_INVALID_PARAM] = -EINVAL, + [EC_RES_ACCESS_DENIED] = -EACCES, + [EC_RES_INVALID_RESPONSE] = -EPROTO, + [EC_RES_INVALID_VERSION] = -ENOPROTOOPT, + [EC_RES_INVALID_CHECKSUM] = -EBADMSG, + /* + * EC_RES_IN_PROGRESS is special because cros_ec_send_command() has extra logic to + * handle it. Note that default cros_kunit_ec_xfer_mock_default_ret == 0 thus + * cros_ec_xfer_command() in cros_ec_wait_until_complete() returns 0. As a result, + * it returns -EPROTO without calling cros_ec_map_error(). + */ + [EC_RES_IN_PROGRESS] = -EPROTO, + [EC_RES_UNAVAILABLE] = -ENODATA, + [EC_RES_TIMEOUT] = -ETIMEDOUT, + [EC_RES_OVERFLOW] = -EOVERFLOW, + [EC_RES_INVALID_HEADER] = -EBADR, + [EC_RES_REQUEST_TRUNCATED] = -EBADR, + [EC_RES_RESPONSE_TOO_BIG] = -EFBIG, + [EC_RES_BUS_ERROR] = -EFAULT, + [EC_RES_BUSY] = -EBUSY, + [EC_RES_INVALID_HEADER_VERSION] = -EBADMSG, + [EC_RES_INVALID_HEADER_CRC] = -EBADMSG, + [EC_RES_INVALID_DATA_CRC] = -EBADMSG, + [EC_RES_DUP_UNAVAILABLE] = -ENODATA, + }; + + memset(&msg, 0, sizeof(msg)); + + for (i = 0; i < ARRAY_SIZE(map); ++i) { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, i, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + ret = cros_ec_cmd_xfer_status(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, map[i]); + } +} + static void cros_ec_proto_test_release(struct device *dev) { } @@ -2086,6 +2134,7 @@ static struct kunit_case cros_ec_proto_test_cases[] = { KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_return0), KUNIT_CASE(cros_ec_proto_test_cmd_xfer_status_normal), KUNIT_CASE(cros_ec_proto_test_cmd_xfer_status_xfer_error), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_status_return_error), {} }; |