Messages in this thread | | | From | Guenter Roeck <> | Date | Thu, 23 Jun 2022 09:36:56 -0700 | Subject | Re: [PATCH 2/7] platform/chrome: cros_ec_proto: add Kunit test for cros_ec_map_error() |
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On Tue, Jun 21, 2022 at 9:11 PM Tzung-Bi Shih <tzungbi@kernel.org> wrote: > > 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>
> --- > drivers/platform/chrome/cros_ec_proto_test.c | 49 ++++++++++++++++++++ > 1 file changed, 49 insertions(+) > > diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c > index 6464f6101fd3..be3ac77abdf9 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), > {} > }; > > -- > 2.37.0.rc0.104.g0611611a94-goog >
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