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esp-idf/components/spiffs/test/test_spiffs.c

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15 KiB
C
Czysty Wina Historia

// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/unistd.h>
#include "unity.h"
#include "test_utils.h"
#include "esp_log.h"
#include "esp_system.h"
#include "esp_vfs.h"
#include "esp_spiffs.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "esp_partition.h"
const char* spiffs_test_hello_str = "Hello, World!\n";
const char* spiffs_test_partition_label = "flash_test";
void test_spiffs_create_file_with_text(const char* name, const char* text)
{
FILE* f = fopen(name, "wb");
TEST_ASSERT_NOT_NULL(f);
TEST_ASSERT_TRUE(fputs(text, f) != EOF);
TEST_ASSERT_EQUAL(0, fclose(f));
}
void test_spiffs_overwrite_append(const char* filename)
{
/* Create new file with 'aaaa' */
test_spiffs_create_file_with_text(filename, "aaaa");
/* Append 'bbbb' to file */
FILE *f_a = fopen(filename, "a");
TEST_ASSERT_NOT_NULL(f_a);
TEST_ASSERT_NOT_EQUAL(EOF, fputs("bbbb", f_a));
TEST_ASSERT_EQUAL(0, fclose(f_a));
/* Read back 8 bytes from file, verify it's 'aaaabbbb' */
char buf[10] = { 0 };
FILE *f_r = fopen(filename, "r");
TEST_ASSERT_NOT_NULL(f_r);
TEST_ASSERT_EQUAL(8, fread(buf, 1, 8, f_r));
TEST_ASSERT_EQUAL_STRING_LEN("aaaabbbb", buf, 8);
/* Be sure we're at end of file */
TEST_ASSERT_EQUAL(0, fread(buf, 1, 8, f_r));
TEST_ASSERT_EQUAL(0, fclose(f_r));
/* Overwrite file with 'cccc' */
test_spiffs_create_file_with_text(filename, "cccc");
/* Verify file now only contains 'cccc' */
f_r = fopen(filename, "r");
TEST_ASSERT_NOT_NULL(f_r);
bzero(buf, sizeof(buf));
TEST_ASSERT_EQUAL(4, fread(buf, 1, 8, f_r)); // trying to read 8 bytes, only expecting 4
TEST_ASSERT_EQUAL_STRING_LEN("cccc", buf, 4);
TEST_ASSERT_EQUAL(0, fclose(f_r));
}
void test_spiffs_read_file(const char* filename)
{
FILE* f = fopen(filename, "r");
TEST_ASSERT_NOT_NULL(f);
char buf[32] = { 0 };
int cb = fread(buf, 1, sizeof(buf), f);
TEST_ASSERT_EQUAL(strlen(spiffs_test_hello_str), cb);
TEST_ASSERT_EQUAL(0, strcmp(spiffs_test_hello_str, buf));
TEST_ASSERT_EQUAL(0, fclose(f));
}
void test_spiffs_open_max_files(const char* filename_prefix, size_t files_count)
{
FILE** files = calloc(files_count, sizeof(FILE*));
for (size_t i = 0; i < files_count; ++i) {
char name[32];
snprintf(name, sizeof(name), "%s_%d.txt", filename_prefix, i);
files[i] = fopen(name, "w");
TEST_ASSERT_NOT_NULL(files[i]);
}
/* close everything and clean up */
for (size_t i = 0; i < files_count; ++i) {
fclose(files[i]);
}
free(files);
}
void test_spiffs_lseek(const char* filename)
{
FILE* f = fopen(filename, "wb+");
TEST_ASSERT_NOT_NULL(f);
TEST_ASSERT_EQUAL(11, fprintf(f, "0123456789\n"));
TEST_ASSERT_EQUAL(0, fseek(f, -2, SEEK_CUR));
TEST_ASSERT_EQUAL('9', fgetc(f));
TEST_ASSERT_EQUAL(0, fseek(f, 3, SEEK_SET));
TEST_ASSERT_EQUAL('3', fgetc(f));
TEST_ASSERT_EQUAL(0, fseek(f, -3, SEEK_END));
TEST_ASSERT_EQUAL('8', fgetc(f));
TEST_ASSERT_EQUAL(0, fseek(f, 0, SEEK_END));
TEST_ASSERT_EQUAL(11, ftell(f));
TEST_ASSERT_EQUAL(4, fprintf(f, "abc\n"));
TEST_ASSERT_EQUAL(0, fseek(f, 0, SEEK_END));
TEST_ASSERT_EQUAL(15, ftell(f));
TEST_ASSERT_EQUAL(0, fseek(f, 0, SEEK_SET));
char buf[20];
TEST_ASSERT_EQUAL(15, fread(buf, 1, sizeof(buf), f));
const char ref_buf[] = "0123456789\nabc\n";
TEST_ASSERT_EQUAL_INT8_ARRAY(ref_buf, buf, sizeof(ref_buf) - 1);
TEST_ASSERT_EQUAL(0, fclose(f));
}
void test_spiffs_stat(const char* filename)
{
test_spiffs_create_file_with_text(filename, "foo\n");
struct stat st;
TEST_ASSERT_EQUAL(0, stat(filename, &st));
TEST_ASSERT(st.st_mode & S_IFREG);
TEST_ASSERT_FALSE(st.st_mode & S_IFDIR);
}
void test_spiffs_unlink(const char* filename)
{
test_spiffs_create_file_with_text(filename, "unlink\n");
TEST_ASSERT_EQUAL(0, unlink(filename));
TEST_ASSERT_NULL(fopen(filename, "r"));
}
void test_spiffs_rename(const char* filename_prefix)
{
char name_dst[64];
char name_src[64];
snprintf(name_dst, sizeof(name_dst), "%s_dst.txt", filename_prefix);
snprintf(name_src, sizeof(name_src), "%s_src.txt", filename_prefix);
unlink(name_dst);
unlink(name_src);
FILE* f = fopen(name_src, "w+");
TEST_ASSERT_NOT_NULL(f);
char* str = "0123456789";
for (int i = 0; i < 400; ++i) {
TEST_ASSERT_NOT_EQUAL(EOF, fputs(str, f));
}
TEST_ASSERT_EQUAL(0, fclose(f));
TEST_ASSERT_EQUAL(0, rename(name_src, name_dst));
TEST_ASSERT_NULL(fopen(name_src, "r"));
FILE* fdst = fopen(name_dst, "r");
TEST_ASSERT_NOT_NULL(fdst);
TEST_ASSERT_EQUAL(0, fseek(fdst, 0, SEEK_END));
TEST_ASSERT_EQUAL(4000, ftell(fdst));
TEST_ASSERT_EQUAL(0, fclose(fdst));
}
void test_spiffs_can_opendir(const char* path)
{
char name_dir_file[64];
const char * file_name = "test_opd.txt";
snprintf(name_dir_file, sizeof(name_dir_file), "%s/%s", path, file_name);
unlink(name_dir_file);
test_spiffs_create_file_with_text(name_dir_file, "test_opendir\n");
DIR* dir = opendir(path);
TEST_ASSERT_NOT_NULL(dir);
bool found = false;
while (true) {
struct dirent* de = readdir(dir);
if (!de) {
break;
}
if (strcasecmp(de->d_name, file_name) == 0) {
found = true;
break;
}
}
TEST_ASSERT_TRUE(found);
TEST_ASSERT_EQUAL(0, closedir(dir));
unlink(name_dir_file);
}
void test_spiffs_opendir_readdir_rewinddir(const char* dir_prefix)
{
char name_dir_inner_file[64];
char name_dir_inner[64];
char name_dir_file3[64];
char name_dir_file2[64];
char name_dir_file1[64];
snprintf(name_dir_inner_file, sizeof(name_dir_inner_file), "%s/inner/3.txt", dir_prefix);
snprintf(name_dir_inner, sizeof(name_dir_inner), "%s/inner", dir_prefix);
snprintf(name_dir_file3, sizeof(name_dir_file2), "%s/boo.bin", dir_prefix);
snprintf(name_dir_file2, sizeof(name_dir_file2), "%s/2.txt", dir_prefix);
snprintf(name_dir_file1, sizeof(name_dir_file1), "%s/1.txt", dir_prefix);
unlink(name_dir_inner_file);
rmdir(name_dir_inner);
unlink(name_dir_file1);
unlink(name_dir_file2);
unlink(name_dir_file3);
rmdir(dir_prefix);
test_spiffs_create_file_with_text(name_dir_file1, "1\n");
test_spiffs_create_file_with_text(name_dir_file2, "2\n");
test_spiffs_create_file_with_text(name_dir_file3, "\01\02\03");
test_spiffs_create_file_with_text(name_dir_inner_file, "3\n");
DIR* dir = opendir(dir_prefix);
TEST_ASSERT_NOT_NULL(dir);
int count = 0;
const char* names[4];
while(count < 4) {
struct dirent* de = readdir(dir);
if (!de) {
break;
}
printf("found '%s'\n", de->d_name);
if (strcasecmp(de->d_name, "1.txt") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "1.txt";
++count;
} else if (strcasecmp(de->d_name, "2.txt") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "2.txt";
++count;
} else if (strcasecmp(de->d_name, "inner/3.txt") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "inner/3.txt";
++count;
} else if (strcasecmp(de->d_name, "boo.bin") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "boo.bin";
++count;
} else {
TEST_FAIL_MESSAGE("unexpected directory entry");
}
}
TEST_ASSERT_EQUAL(count, 4);
rewinddir(dir);
struct dirent* de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[0]));
seekdir(dir, 3);
de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[3]));
seekdir(dir, 1);
de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[1]));
seekdir(dir, 2);
de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[2]));
TEST_ASSERT_EQUAL(0, closedir(dir));
}
typedef struct {
const char* filename;
bool write;
size_t word_count;
int seed;
SemaphoreHandle_t done;
int result;
} read_write_test_arg_t;
#define READ_WRITE_TEST_ARG_INIT(name, seed_) \
{ \
.filename = name, \
.seed = seed_, \
.word_count = 4096, \
.write = true, \
.done = xSemaphoreCreateBinary() \
}
static void read_write_task(void* param)
{
read_write_test_arg_t* args = (read_write_test_arg_t*) param;
FILE* f = fopen(args->filename, args->write ? "wb" : "rb");
if (f == NULL) {
args->result = ESP_ERR_NOT_FOUND;
goto done;
}
srand(args->seed);
for (size_t i = 0; i < args->word_count; ++i) {
uint32_t val = rand();
if (args->write) {
int cnt = fwrite(&val, sizeof(val), 1, f);
if (cnt != 1) {
ets_printf("E(w): i=%d, cnt=%d val=%d\n\n", i, cnt, val);
args->result = ESP_FAIL;
goto close;
}
} else {
uint32_t rval;
int cnt = fread(&rval, sizeof(rval), 1, f);
if (cnt != 1) {
ets_printf("E(r): i=%d, cnt=%d rval=%d\n\n", i, cnt, rval);
args->result = ESP_FAIL;
goto close;
}
}
}
args->result = ESP_OK;
close:
fclose(f);
done:
xSemaphoreGive(args->done);
vTaskDelay(1);
vTaskDelete(NULL);
}
void test_spiffs_concurrent(const char* filename_prefix)
{
char names[4][64];
for (size_t i = 0; i < 4; ++i) {
snprintf(names[i], sizeof(names[i]), "%s%d", filename_prefix, i + 1);
unlink(names[i]);
}
read_write_test_arg_t args1 = READ_WRITE_TEST_ARG_INIT(names[0], 1);
read_write_test_arg_t args2 = READ_WRITE_TEST_ARG_INIT(names[1], 2);
printf("writing f1 and f2\n");
xTaskCreatePinnedToCore(&read_write_task, "rw1", 2048, &args1, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw2", 2048, &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(names[2], 3);
read_write_test_arg_t args4 = READ_WRITE_TEST_ARG_INIT(names[3], 4);
printf("reading f1 and f2, writing f3 and f4\n");
xTaskCreatePinnedToCore(&read_write_task, "rw3", 2048, &args3, 3, NULL, 1);
xTaskCreatePinnedToCore(&read_write_task, "rw4", 2048, &args4, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw1", 2048, &args1, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw2", 2048, &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);
}
static void test_setup()
{
esp_vfs_spiffs_conf_t conf = {
.base_path = "/spiffs",
.partition_label = spiffs_test_partition_label,
.max_files = 5,
.format_if_mount_failed = true
};
TEST_ESP_OK(esp_vfs_spiffs_register(&conf));
}
static void test_teardown()
{
TEST_ESP_OK(esp_vfs_spiffs_unregister(spiffs_test_partition_label));
}
TEST_CASE("can format partition", "[spiffs]")
{
const esp_partition_t* part = get_test_data_partition();
TEST_ASSERT_NOT_NULL(part);
TEST_ESP_OK(esp_partition_erase_range(part, 0, part->size));
test_setup();
size_t total = 0, used = 0;
TEST_ESP_OK(esp_spiffs_info(spiffs_test_partition_label, &total, &used));
printf("total: %d, used: %d\n", total, used);
TEST_ASSERT_EQUAL(0, used);
test_teardown();
}
TEST_CASE("can create and write file", "[spiffs]")
{
test_setup();
test_spiffs_create_file_with_text("/spiffs/hello.txt", spiffs_test_hello_str);
test_teardown();
}
TEST_CASE("can read file", "[spiffs]")
{
test_setup();
test_spiffs_create_file_with_text("/spiffs/hello.txt", spiffs_test_hello_str);
test_spiffs_read_file("/spiffs/hello.txt");
test_teardown();
}
TEST_CASE("can open maximum number of files", "[spiffs]")
{
size_t max_files = FOPEN_MAX - 3; /* account for stdin, stdout, stderr */
esp_vfs_spiffs_conf_t conf = {
.base_path = "/spiffs",
.partition_label = spiffs_test_partition_label,
.format_if_mount_failed = true,
.max_files = max_files
};
TEST_ESP_OK(esp_vfs_spiffs_register(&conf));
test_spiffs_open_max_files("/spiffs/f", max_files);
TEST_ESP_OK(esp_vfs_spiffs_unregister(spiffs_test_partition_label));
}
TEST_CASE("overwrite and append file", "[spiffs]")
{
test_setup();
test_spiffs_overwrite_append("/spiffs/hello.txt");
test_teardown();
}
TEST_CASE("can lseek", "[spiffs]")
{
test_setup();
test_spiffs_lseek("/spiffs/seek.txt");
test_teardown();
}
TEST_CASE("stat returns correct values", "[spiffs]")
{
test_setup();
test_spiffs_stat("/spiffs/stat.txt");
test_teardown();
}
TEST_CASE("unlink removes a file", "[spiffs]")
{
test_setup();
test_spiffs_unlink("/spiffs/unlink.txt");
test_teardown();
}
TEST_CASE("rename moves a file", "[spiffs]")
{
test_setup();
test_spiffs_rename("/spiffs/move");
test_teardown();
}
TEST_CASE("can opendir root directory of FS", "[spiffs]")
{
test_setup();
test_spiffs_can_opendir("/spiffs");
test_teardown();
}
TEST_CASE("opendir, readdir, rewinddir, seekdir work as expected", "[spiffs]")
{
test_setup();
test_spiffs_opendir_readdir_rewinddir("/spiffs/dir");
test_teardown();
}
TEST_CASE("multiple tasks can use same volume", "[spiffs]")
{
test_setup();
test_spiffs_concurrent("/spiffs/f");
test_teardown();
}
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