OVMS3-idf/components/wear_levelling/test/test_wl.c

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#include <string.h>
#include "unity.h"
#include "wear_levelling.h"
#include "test_utils.h"
#include "freertos/FreeRTOS.h"
#include "freertos/portable.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
TEST_CASE("wl_unmount doesn't leak memory", "[wear_levelling]")
{
const esp_partition_t *partition = get_test_data_partition();
wl_handle_t handle;
// dummy unmount is needed to initialize static lock in WL
wl_unmount(WL_INVALID_HANDLE);
size_t size_before = xPortGetFreeHeapSize();
TEST_ESP_OK(wl_mount(partition, &handle));
wl_unmount(handle);
size_t size_after = xPortGetFreeHeapSize();
TEST_ASSERT_EQUAL_UINT32(size_before, size_after);
}
TEST_CASE("wl_mount check partition parameters", "[wear_levelling][ignore]")
{
const esp_partition_t *test_partition = get_test_data_partition();
esp_partition_t fake_partition;
memcpy(&fake_partition, test_partition, sizeof(fake_partition));
wl_handle_t handle;
size_t size_before, size_after;
// test small partition
fake_partition.size = SPI_FLASH_SEC_SIZE;
size_before = xPortGetFreeHeapSize();
TEST_ESP_ERR(ESP_ERR_INVALID_ARG, wl_mount(&fake_partition, &handle));
size_after = xPortGetFreeHeapSize();
TEST_ASSERT_EQUAL_HEX32(size_before, size_after);
// currently this test leaks memory
// test slightly bigger partition
fake_partition.size = SPI_FLASH_SEC_SIZE * 3;
size_before = xPortGetFreeHeapSize();
TEST_ESP_ERR(ESP_ERR_INVALID_ARG, wl_mount(&fake_partition, &handle));
size_after = xPortGetFreeHeapSize();
TEST_ASSERT_EQUAL_HEX32(size_before, size_after);
// currently this test hangs
}
typedef struct {
size_t offset;
bool write;
size_t word_count;
int seed;
SemaphoreHandle_t done;
int result;
wl_handle_t handle;
} read_write_test_arg_t;
#define READ_WRITE_TEST_ARG_INIT(offset_, seed_, handle_, count_) \
{ \
.offset = offset_, \
.seed = seed_, \
.word_count = count_, \
.write = true, \
.done = xSemaphoreCreateBinary(), \
.handle = handle_ \
}
static void read_write_task(void* param)
{
read_write_test_arg_t* args = (read_write_test_arg_t*) param;
esp_err_t err;
srand(args->seed);
for (size_t i = 0; i < args->word_count; ++i) {
uint32_t val = rand();
if (args->write) {
err = wl_write(args->handle, args->offset + i * sizeof(val), &val, sizeof(val));
if (err != ESP_OK) {
args->result = err;
goto done;
}
} else {
uint32_t rval;
err = wl_read(args->handle, args->offset + i * sizeof(rval), &rval, sizeof(rval));
if (err != ESP_OK || rval != val) {
ets_printf("E: i=%d, cnt=%d rval=%d val=%d\n\n", i, args->word_count, rval, val);
args->result = ESP_FAIL;
goto done;
}
}
}
args->result = ESP_OK;
done:
xSemaphoreGive(args->done);
vTaskDelay(1);
vTaskDelete(NULL);
}
TEST_CASE("multiple tasks can access wl handle simultaneously", "[wear_levelling]")
{
const esp_partition_t *partition = get_test_data_partition();
wl_handle_t handle;
TEST_ESP_OK(wl_mount(partition, &handle));
size_t sector_size = wl_sector_size(handle);
TEST_ESP_OK(wl_erase_range(handle, 0, sector_size * 8));
read_write_test_arg_t args1 = READ_WRITE_TEST_ARG_INIT(0, 1, handle, sector_size/sizeof(uint32_t));
read_write_test_arg_t args2 = READ_WRITE_TEST_ARG_INIT(sector_size, 2, handle, sector_size/sizeof(uint32_t));
const size_t stack_size = 4096;
printf("writing 1 and 2\n");
xTaskCreatePinnedToCore(&read_write_task, "rw1", stack_size, &args1, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw2", stack_size, &args2, 3, NULL, 1);
xSemaphoreTake(args1.done, portMAX_DELAY);
printf("f1 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args1.result);
xSemaphoreTake(args2.done, portMAX_DELAY);
printf("f2 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args2.result);
args1.write = false;
args2.write = false;
read_write_test_arg_t args3 = READ_WRITE_TEST_ARG_INIT(2 * sector_size, 3, handle, sector_size/sizeof(uint32_t));
read_write_test_arg_t args4 = READ_WRITE_TEST_ARG_INIT(3 * sector_size, 4, handle, sector_size/sizeof(uint32_t));
printf("reading 1 and 2, writing 3 and 4\n");
xTaskCreatePinnedToCore(&read_write_task, "rw3", stack_size, &args3, 3, NULL, 1);
xTaskCreatePinnedToCore(&read_write_task, "rw4", stack_size, &args4, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw1", stack_size, &args1, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw2", stack_size, &args2, 3, NULL, 1);
xSemaphoreTake(args1.done, portMAX_DELAY);
printf("f1 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args1.result);
xSemaphoreTake(args2.done, portMAX_DELAY);
printf("f2 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args2.result);
xSemaphoreTake(args3.done, portMAX_DELAY);
printf("f3 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args3.result);
xSemaphoreTake(args4.done, portMAX_DELAY);
printf("f4 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args4.result);
vSemaphoreDelete(args1.done);
vSemaphoreDelete(args2.done);
vSemaphoreDelete(args3.done);
vSemaphoreDelete(args4.done);
wl_unmount(handle);
}