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test: mux-cmd: Add tests for the 'mux' command

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Tests tests run the three mux subcommands: list, select, and deselect,
and verify that the commands do what we expect.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Pratyush Yadav 2020-10-16 16:16:36 +05:30 committed by Tom Rini
parent 05115abe8d
commit 15995ac3f4
3 changed files with 179 additions and 0 deletions
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1
configs/sandbox_defconfig
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@ -55,6 +55,7 @@ CONFIG_CMD_GPT_RENAME=y
CONFIG_CMD_IDE=y
CONFIG_CMD_I2C=y
CONFIG_CMD_LSBLK=y
CONFIG_CMD_MUX=y
CONFIG_CMD_OSD=y
CONFIG_CMD_PCI=y
CONFIG_CMD_READ=y

1
test/dm/Makefile
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@ -34,6 +34,7 @@ obj-y += irq.o
obj-$(CONFIG_LED) += led.o
obj-$(CONFIG_DM_MAILBOX) += mailbox.o
obj-$(CONFIG_DM_MMC) += mmc.o
obj-$(CONFIG_CMD_MUX) += mux-cmd.o
obj-y += fdtdec.o
obj-y += ofnode.o
obj-y += ofread.o

177
test/dm/mux-cmd.c Normal file
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@ -0,0 +1,177 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 Texas Instruments Inc.
* Pratyush Yadav <p.yadav@ti.com>
*/
#include <common.h>
#include <dm.h>
#include <mux.h>
#include <mux-internal.h>
#include <dt-bindings/mux/mux.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
#include <console.h>
#include <rand.h>
#define BUF_SIZE 256
/* Test 'mux list' */
static int dm_test_cmd_mux_list(struct unit_test_state *uts)
{
char str[BUF_SIZE], *tok;
struct udevice *dev;
struct mux_chip *chip;
struct mux_control *mux;
int i;
unsigned long val;
sandbox_set_enable_memio(true);
ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
&dev));
chip = dev_get_uclass_priv(dev);
ut_assertnonnull(chip);
run_command("mux list", 0);
ut_assert_nextline("a-mux-controller:");
/*
* Check the table header to make sure we are not out of sync with the
* code in the command. If we are, catch it early.
*/
console_record_readline(str, BUF_SIZE);
tok = strtok(str, " ");
ut_asserteq_str("ID", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("Selected", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("Current", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("State", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("Idle", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("State", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("Num", tok);
tok = strtok(NULL, " ");
ut_asserteq_str("States", tok);
for (i = 0; i < chip->controllers; i++) {
mux = &chip->mux[i];
console_record_readline(str, BUF_SIZE);
/*
* Check if the ID printed matches with the ID of the chip we
* have.
*/
tok = strtok(str, " ");
ut_assertok(strict_strtoul(tok, 10, &val));
ut_asserteq(i, val);
/* Check if mux selection state matches. */
tok = strtok(NULL, " ");
if (mux->in_use) {
ut_asserteq_str("yes", tok);
} else {
ut_asserteq_str("no", tok);
}
/* Check if the current state matches. */
tok = strtok(NULL, " ");
if (mux->cached_state == MUX_IDLE_AS_IS) {
ut_asserteq_str("unknown", tok);
} else {
ut_assertok(strict_strtoul(tok, 16, &val));
ut_asserteq(mux->cached_state, val);
}
/* Check if the idle state matches */
tok = strtok(NULL, " ");
if (mux->idle_state == MUX_IDLE_AS_IS) {
ut_asserteq_str("as-is", tok);
} else {
ut_assertok(strict_strtoul(tok, 16, &val));
ut_asserteq(mux->idle_state, val);
}
/* Check if the number of states matches */
tok = strtok(NULL, " ");
ut_assertok(strict_strtoul(tok, 16, &val));
ut_asserteq(mux->states, val);
}
return 0;
}
DM_TEST(dm_test_cmd_mux_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_cmd_mux_select(struct unit_test_state *uts)
{
struct udevice *dev;
struct mux_chip *chip;
struct mux_control *mux;
char cmd[BUF_SIZE];
unsigned int i, state;
sandbox_set_enable_memio(true);
ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
&dev));
chip = dev_get_uclass_priv(dev);
ut_assertnonnull(chip);
srand(get_ticks() + rand());
for (i = 0; i < chip->controllers; i++) {
mux = &chip->mux[i];
state = rand() % mux->states;
snprintf(cmd, BUF_SIZE, "mux select a-mux-controller %x %x", i,
state);
run_command(cmd, 0);
ut_asserteq(!!mux->in_use, true);
ut_asserteq(state, mux->cached_state);
ut_assertok(mux_control_deselect(mux));
}
return 0;
}
DM_TEST(dm_test_cmd_mux_select, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_cmd_mux_deselect(struct unit_test_state *uts)
{
struct udevice *dev;
struct mux_chip *chip;
struct mux_control *mux;
char cmd[BUF_SIZE];
unsigned int i, state;
sandbox_set_enable_memio(true);
ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
&dev));
chip = dev_get_uclass_priv(dev);
ut_assertnonnull(chip);
srand(get_ticks() + rand());
for (i = 0; i < chip->controllers; i++) {
mux = &chip->mux[i];
state = rand() % mux->states;
ut_assertok(mux_control_select(mux, state));
snprintf(cmd, BUF_SIZE, "mux deselect a-mux-controller %d", i);
run_command(cmd, 0);
ut_asserteq(!!mux->in_use, false);
}
return 0;
}
DM_TEST(dm_test_cmd_mux_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);