dm: Add tests for the sandbox host driver

Add some unit tests for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-10-29 19:47:19 -06:00
parent 2851cc94f3
commit 499503e157
4 changed files with 206 additions and 2 deletions

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@ -49,6 +49,7 @@ endif
obj-$(CONFIG_FIRMWARE) += firmware.o
obj-$(CONFIG_DM_FPGA) += fpga.o
obj-$(CONFIG_FWU_MDATA_GPT_BLK) += fwu_mdata.o
obj-$(CONFIG_SANDBOX) += host.o
obj-$(CONFIG_DM_HWSPINLOCK) += hwspinlock.o
obj-$(CONFIG_DM_I2C) += i2c.o
obj-$(CONFIG_SOUND) += i2s.o

195
test/dm/host.c Normal file
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@ -0,0 +1,195 @@
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright 2022 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <blk.h>
#include <dm.h>
#include <fs.h>
#include <sandbox_host.h>
#include <asm/test.h>
#include <dm/device-internal.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>
static const char filename[] = "2MB.ext2.img";
static const char filename2[] = "1MB.fat32.img";
/* Basic test of host interface */
static int dm_test_host(struct unit_test_state *uts)
{
static char label[] = "test";
struct udevice *dev, *part, *chk, *blk;
struct host_sb_plat *plat;
struct blk_desc *desc;
ulong mem_start;
loff_t actwrite;
ut_asserteq(-ENODEV, uclass_first_device_err(UCLASS_HOST, &dev));
ut_asserteq(-ENODEV, uclass_first_device_err(UCLASS_PARTITION, &part));
mem_start = ut_check_delta(0);
ut_assertok(host_create_device(label, true, &dev));
/* Check that the plat data has been allocated */
plat = dev_get_plat(dev);
ut_asserteq_str("test", plat->label);
ut_assert(label != plat->label);
ut_asserteq(0, plat->fd);
/* Attach a file created in test_host.py */
ut_assertok(host_attach_file(dev, filename));
ut_assertok(uclass_first_device_err(UCLASS_HOST, &chk));
ut_asserteq_ptr(chk, dev);
ut_asserteq_str(filename, plat->filename);
ut_assert(filename != plat->filename);
ut_assert(plat->fd != 0);
/* Get the block device */
ut_assertok(blk_get_from_parent(dev, &blk));
ut_assertok(device_probe(blk));
/* There should be no partition table in this device */
ut_asserteq(-ENODEV, uclass_first_device_err(UCLASS_PARTITION, &part));
/* Write to a file on the ext4 filesystem */
desc = dev_get_uclass_plat(blk);
ut_asserteq(true, desc->removable);
ut_assertok(fs_set_blk_dev_with_part(desc, 0));
ut_assertok(fs_write("/testing", 0, 0, 0x1000, &actwrite));
ut_assertok(host_detach_file(dev));
ut_asserteq(0, plat->fd);
ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
ut_assertok(device_unbind(dev));
/* check there were no memory leaks */
ut_asserteq(0, ut_check_delta(mem_start));
return 0;
}
DM_TEST(dm_test_host, UT_TESTF_SCAN_FDT);
/* reusing the same label should work */
static int dm_test_host_dup(struct unit_test_state *uts)
{
static char label[] = "test";
struct udevice *dev, *chk;
ut_asserteq(0, uclass_id_count(UCLASS_HOST));
ut_assertok(host_create_device(label, true, &dev));
/* Attach a file created in test_host.py */
ut_assertok(host_attach_file(dev, filename));
ut_assertok(uclass_first_device_err(UCLASS_HOST, &chk));
ut_asserteq_ptr(chk, dev);
ut_asserteq(1, uclass_id_count(UCLASS_HOST));
/* Create another device with the same label (should remove old one) */
ut_assertok(host_create_device(label, true, &dev));
/* Attach a different file created in test_host.py */
ut_assertok(host_attach_file(dev, filename2));
ut_assertok(uclass_first_device_err(UCLASS_HOST, &chk));
ut_asserteq_ptr(chk, dev);
/* Make sure there is still only one device */
ut_asserteq(1, uclass_id_count(UCLASS_HOST));
return 0;
}
DM_TEST(dm_test_host_dup, UT_TESTF_SCAN_FDT);
/* Basic test of 'host' command */
static int dm_test_cmd_host(struct unit_test_state *uts)
{
struct udevice *dev, *blk;
struct blk_desc *desc;
console_record_reset();
/* first check 'host info' with binding */
ut_assertok(run_command("host info", 0));
ut_assert_nextline("dev blocks label path");
ut_assert_console_end();
ut_assertok(run_commandf("host bind -r test2 %s", filename));
/* Check the -r flag worked */
ut_assertok(uclass_first_device_err(UCLASS_HOST, &dev));
ut_assertok(blk_get_from_parent(dev, &blk));
desc = dev_get_uclass_plat(blk);
ut_asserteq(true, desc->removable);
ut_assertok(run_command("host info", 0));
ut_assert_nextline("dev blocks label path");
ut_assert_nextline(" 0 4096 test2 2MB.ext2.img");
ut_assert_console_end();
ut_assertok(run_commandf("host bind fat %s", filename2));
/* Check it is not removeable (no '-r') */
ut_assertok(uclass_next_device_err(&dev));
ut_assertok(blk_get_from_parent(dev, &blk));
desc = dev_get_uclass_plat(blk);
ut_asserteq(false, desc->removable);
ut_assertok(run_command("host info", 0));
ut_assert_nextline("dev blocks label path");
ut_assert_nextline(" 0 4096 test2 2MB.ext2.img");
ut_assert_nextline(" 1 2048 fat 1MB.fat32.img");
ut_assert_console_end();
ut_asserteq(1, run_command("host info test", 0));
ut_assert_nextline("No such device 'test'");
ut_assert_console_end();
ut_assertok(run_command("host info fat", 0));
ut_assert_nextline("dev blocks label path");
ut_assert_nextline(" 1 2048 fat 1MB.fat32.img");
ut_assert_console_end();
/* check 'host dev' */
ut_asserteq(1, run_command("host dev", 0));
ut_assert_nextline("No current host device");
ut_assert_console_end();
ut_asserteq(1, run_command("host dev missing", 0));
ut_assert_nextline("No such device 'missing'");
ut_assert_console_end();
ut_assertok(run_command("host dev fat", 0));
ut_assert_console_end();
ut_assertok(run_command("host dev", 0));
ut_assert_nextline("Current host device: 1: fat");
ut_assert_console_end();
/* Try a numerical label */
ut_assertok(run_command("host dev 0", 0));
ut_assert_console_end();
ut_assertok(run_command("host dev", 0));
ut_assert_nextline("Current host device: 0: test2");
ut_assert_console_end();
/* Remove one of the bindings */
ut_assertok(run_commandf("host unbind test2"));
/* There should now be no current device */
ut_asserteq(1, run_command("host dev", 0));
ut_assert_nextline("No current host device");
ut_assert_console_end();
ut_assertok(run_command("host info", 0));
ut_assert_nextline("dev blocks label path");
ut_assert_nextline(" 1 2048 fat 1MB.fat32.img");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_cmd_host, UT_TESTF_SCAN_FDT);

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@ -9,7 +9,7 @@ import re
import os
from subprocess import call, check_call, check_output, CalledProcessError
def mk_fs(config, fs_type, size, prefix):
def mk_fs(config, fs_type, size, prefix, use_src_dir=False):
"""Create a file system volume
Args:
@ -17,12 +17,14 @@ def mk_fs(config, fs_type, size, prefix):
fs_type (str): File system type, e.g. 'ext4'
size (int): Size of file system in bytes
prefix (str): Prefix string of volume's file name
use_src_dir (bool): true to put the file in the source directory
Raises:
CalledProcessError: if any error occurs when creating the filesystem
"""
fs_img = f'{prefix}.{fs_type}.img'
fs_img = os.path.join(config.persistent_data_dir, fs_img)
fs_img = os.path.join(config.source_dir if use_src_dir
else config.persistent_data_dir, fs_img)
if fs_type == 'fat16':
mkfs_opt = '-F 16'

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@ -7,6 +7,7 @@ import os.path
import pytest
import u_boot_utils
from tests import fs_helper
def mkdir_cond(dirname):
"""Create a directory if it doesn't already exist
@ -123,6 +124,11 @@ def test_ut_dm_init(u_boot_console):
u_boot_utils.run_and_log(
u_boot_console, f'sfdisk {fn}', stdin=b'type=83')
fs_helper.mk_fs(u_boot_console.config, 'ext2', 0x200000, '2MB',
use_src_dir=True)
fs_helper.mk_fs(u_boot_console.config, 'fat32', 0x100000, '1MB',
use_src_dir=True)
@pytest.mark.buildconfigspec('cmd_bootflow')
def test_ut_dm_init_bootstd(u_boot_console):
"""Initialise data for bootflow tests"""