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			117 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "unity.h"
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#include "esp_vfs.h"
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#include "esp_vfs_fat.h"
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#include "esp_spiffs.h"
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#include "wear_levelling.h"
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#define TEST_PARTITION_LABEL "flash_test"
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#define OPEN_MODE   0
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#define MSG1        "Hello"
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#define MSG2        " "
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#define MSG3        "world!"
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static inline void test_write(int fd, const char *str, const char *msg)
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{
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    TEST_ASSERT_EQUAL_MESSAGE(strlen(str), write(fd, str, strlen(str)), msg);
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}
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static inline void test_read(int fd, const char *str, const char *msg)
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{
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    char buf[strlen(str)];
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    TEST_ASSERT_EQUAL_MESSAGE(strlen(str), read(fd, buf, strlen(str)), msg);
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    TEST_ASSERT_EQUAL_UINT8_ARRAY_MESSAGE(str, buf, strlen(str), msg);
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}
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static inline void test_read_fails(int fd, const char *msg)
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{
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    char buf;
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    TEST_ASSERT_EQUAL_MESSAGE(0, read(fd, &buf, 1), msg);
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}
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static void test_append(const char *path)
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{
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    int fd = open(path, O_RDWR | O_APPEND | O_CREAT | O_TRUNC, OPEN_MODE);
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    TEST_ASSERT_NOT_EQUAL(-1, fd);
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    test_write(fd, MSG1, "write MSG1");
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    test_read_fails(fd, "read fails MSG1");
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    lseek(fd, 0, SEEK_SET);
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    test_read(fd, MSG1, "read MSG1");
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    lseek(fd, 0, SEEK_SET);
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    test_write(fd, MSG2, "write MSG2");
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    test_read_fails(fd, "read fails MSG2"); //because write moved the pointer
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    lseek(fd, 0, SEEK_SET);
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    test_read(fd, MSG1 MSG2, "read MSG1 + MSG2");
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    TEST_ASSERT_NOT_EQUAL(-1, close(fd));
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    fd = open(path, O_RDWR | O_APPEND, OPEN_MODE);
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    TEST_ASSERT_NOT_EQUAL(-1, fd);
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    //after reopening the pointer should be at the beginning
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    test_read(fd, MSG1 MSG2, "read reopening");
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    lseek(fd, strlen(MSG1), SEEK_SET);
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    test_read(fd, MSG2, "read MSG2");
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    lseek(fd, strlen(MSG1), SEEK_SET);
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    test_write(fd, MSG3, "write MSG3");
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    test_read_fails(fd, "read fails MSG3"); //because write moved the pointer
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    lseek(fd, strlen(MSG1), SEEK_SET);
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    test_read(fd, MSG2 MSG3, "read MSG2 + MSG3");
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    lseek(fd, 0, SEEK_SET);
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    test_read(fd, MSG1 MSG2 MSG3, "read MSG1 + MSG2 + MSG3");
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    TEST_ASSERT_NOT_EQUAL(-1, close(fd));
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    TEST_ASSERT_NOT_EQUAL(-1, unlink(path));
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}
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TEST_CASE("open() with O_APPEND on FATFS works well", "[vfs][FATFS]")
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{
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    wl_handle_t test_wl_handle;
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    esp_vfs_fat_sdmmc_mount_config_t mount_config = {
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        .format_if_mount_failed = true,
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        .max_files = 2
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    };
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    TEST_ESP_OK(esp_vfs_fat_spiflash_mount("/spiflash", NULL, &mount_config, &test_wl_handle));
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    test_append("/spiflash/file.txt");
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    TEST_ESP_OK(esp_vfs_fat_spiflash_unmount("/spiflash", test_wl_handle));
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}
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TEST_CASE("open() with O_APPEND on SPIFFS works well", "[vfs][spiffs]")
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{
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    esp_vfs_spiffs_conf_t conf = {
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      .base_path = "/spiffs",
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      .partition_label = TEST_PARTITION_LABEL,
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      .max_files = 2,
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      .format_if_mount_failed = true
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    };
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    TEST_ESP_OK(esp_vfs_spiffs_register(&conf));
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    test_append("/spiffs/file.txt");
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    TEST_ESP_OK(esp_vfs_spiffs_unregister(TEST_PARTITION_LABEL));
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}
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