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feat(nvs_flash): Added function nvs_find_key

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Closes https://github.com/espressif/esp-idf/issues/12155
This commit is contained in:
radek.tandler
2023-12-09 09:12:31 +01:00
committed by Martin Vychodil
parent a36d8bc742
commit 6949092234
11 changed files with 197 additions and 28 deletions
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components/nvs_flash/host_test/nvs_host_test/main/test_nvs.cpp
+85
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@@ -3319,7 +3319,92 @@ TEST_CASE("nvs multiple write with same key but different types", "[nvs][xxx]")
TEST_ESP_OK(nvs_flash_deinit_partition(NVS_DEFAULT_PART_NAME));
}
TEST_CASE("nvs find key tests", "[nvs]")
{
const size_t buff_len = 4096;
PartitionEmulationFixture f(0, 20);
f.randomize(100);
nvs_handle_t handle_1;
nvs_handle_t handle_2;
const uint32_t NVS_FLASH_SECTOR = 6;
const uint32_t NVS_FLASH_SECTOR_COUNT_MIN = 13;
TEST_ESP_ERR(nvs_open("namespace1", NVS_READWRITE, &handle_1), ESP_ERR_NVS_NOT_INITIALIZED);
for (uint16_t i = NVS_FLASH_SECTOR; i < NVS_FLASH_SECTOR + NVS_FLASH_SECTOR_COUNT_MIN; ++i) {
f.erase(i);
}
TEST_ESP_OK(nvs::NVSPartitionManager::get_instance()->init_custom(f.part(),
NVS_FLASH_SECTOR,
NVS_FLASH_SECTOR_COUNT_MIN));
nvs_type_t datatype_found; // datatype of entry found
// open writeable namespace
TEST_ESP_OK(nvs_open("namespace1", NVS_READWRITE, &handle_1));
// set value, erease value, test find before and after each of steps
TEST_ESP_ERR(nvs_find_key(handle_1, "foo", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
// write "foo" as I32, should find it, first attempt without pointer to type variable
TEST_ESP_OK(nvs_set_i32(handle_1, "foo", 0x12345678));
TEST_ESP_OK(nvs_find_key(handle_1, "foo", nullptr));
// second search attempt with pointer to type variable specified
TEST_ESP_OK(nvs_find_key(handle_1, "foo", &datatype_found));
CHECK(datatype_found == NVS_TYPE_I32);
TEST_ESP_OK(nvs_erase_key(handle_1, "foo"));
TEST_ESP_ERR(nvs_find_key(handle_1, "foo", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
// set value, rewrite value, erease value, test find before and after each of steps
TEST_ESP_ERR(nvs_find_key(handle_1, "foo1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
TEST_ESP_OK(nvs_set_i16(handle_1, "foo1", 0x1234));
TEST_ESP_OK(nvs_find_key(handle_1, "foo1", &datatype_found));
CHECK(datatype_found == NVS_TYPE_I16);
TEST_ESP_OK(nvs_set_i16(handle_1, "foo1", 0x4321));
TEST_ESP_OK(nvs_find_key(handle_1, "foo1", &datatype_found));
CHECK(datatype_found == NVS_TYPE_I16);
TEST_ESP_OK(nvs_erase_key(handle_1, "foo1"));
TEST_ESP_ERR(nvs_find_key(handle_1, "foo1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
// set blob value, rewrite blob, delete blob, test find before and after each of steps
uint8_t *p_buff = (uint8_t *) malloc(buff_len);
CHECK(p_buff != nullptr);
TEST_ESP_ERR(nvs_find_key(handle_1, "foo2", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
for(size_t i=0; i<buff_len; i++) p_buff[i] = (uint8_t) (i%0xff);
TEST_ESP_OK(nvs_set_blob(handle_1, "foo2", p_buff, buff_len));
TEST_ESP_OK(nvs_find_key(handle_1, "foo2", &datatype_found));
CHECK(datatype_found == NVS_TYPE_BLOB);
for(size_t i=0; i<buff_len; i++) p_buff[i] = (uint8_t) ((buff_len-i-1)%0xff);
TEST_ESP_OK(nvs_set_blob(handle_1, "foo2", p_buff, buff_len));
TEST_ESP_OK(nvs_find_key(handle_1, "foo2", &datatype_found));
CHECK(datatype_found == NVS_TYPE_BLOB);
TEST_ESP_OK(nvs_erase_key(handle_1, "foo2"));
TEST_ESP_ERR(nvs_find_key(handle_1, "foo2", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
// test namespace is respected in nvs_find_key
// open second writeable namespace
TEST_ESP_OK(nvs_open("namespace2", NVS_READWRITE, &handle_2));
TEST_ESP_ERR(nvs_find_key(handle_1, "foon1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
TEST_ESP_ERR(nvs_find_key(handle_2, "foon1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
TEST_ESP_OK(nvs_set_i16(handle_1, "foon1", 0x1234));
TEST_ESP_OK(nvs_find_key(handle_1, "foon1", &datatype_found));
TEST_ESP_ERR(nvs_find_key(handle_2, "foon1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
TEST_ESP_OK(nvs_set_i16(handle_2, "foon1", 0x1234));
TEST_ESP_OK(nvs_find_key(handle_1, "foon1", &datatype_found));
TEST_ESP_OK(nvs_find_key(handle_2, "foon1", &datatype_found));
TEST_ESP_OK(nvs_erase_key(handle_1, "foon1"));
TEST_ESP_ERR(nvs_find_key(handle_1, "foon1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
TEST_ESP_OK(nvs_find_key(handle_2, "foon1", &datatype_found));
TEST_ESP_OK(nvs_erase_key(handle_2, "foon1"));
TEST_ESP_ERR(nvs_find_key(handle_1, "foon1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
TEST_ESP_ERR(nvs_find_key(handle_2, "foon1", &datatype_found), ESP_ERR_NVS_NOT_FOUND);
nvs_close(handle_1);
nvs_close(handle_2);
TEST_ESP_OK(nvs_flash_deinit_partition(NVS_DEFAULT_PART_NAME));
}
/* Add new tests above */
/* This test has to be the final one */