test: Add test for JSON library
This adds a test suite for the JSON library, testing both encoding and decoding of all supported data types, including arrays, nested objects, and basic types such as booleans, numbers, and strings. Jira: ZEP-1607 Change-Id: I4f6ad7e2859a142e06d405e0760e91751e01a31f Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
This commit is contained in:
Leandro Pereira
Anas Nashif
parent
262365c727
commit
a50c1d0620
4
tests/lib/json/Makefile
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4
tests/lib/json/Makefile
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BOARD ?= qemu_x86
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CONF_FILE = prj.conf
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include $(ZEPHYR_BASE)/Makefile.test
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3
tests/lib/json/prj.conf
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3
tests/lib/json/prj.conf
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CONFIG_JSON_LIBRARY=y
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CONFIG_ZTEST=y
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CONFIG_ZTEST_STACKSIZE=32768
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4
tests/lib/json/src/Makefile
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4
tests/lib/json/src/Makefile
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obj-y = main.o
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ccflags-y += -I${ZEPHYR_BASE}/lib/json/
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include $(ZEPHYR_BASE)/tests/Makefile.test
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193
tests/lib/json/src/main.c
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193
tests/lib/json/src/main.c
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/*
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* Copyright (c) 2017 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <ztest.h>
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#include <json.h>
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struct test_nested {
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int nested_int;
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bool nested_bool;
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const char *nested_string;
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};
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struct test_struct {
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const char *some_string;
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int some_int;
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bool some_bool;
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struct test_nested some_nested_struct;
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int some_array[16];
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size_t some_array_len;
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};
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#define FIELD(struct_, member_, type_) { \
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.field_name = #member_, \
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.field_name_len = sizeof(#member_) - 1, \
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.offset = offsetof(struct_, member_), \
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.type = type_ \
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}
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static const struct json_obj_descr nested_descr[] = {
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FIELD(struct test_nested, nested_int, JSON_TOK_NUMBER),
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FIELD(struct test_nested, nested_bool, JSON_TOK_TRUE),
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FIELD(struct test_nested, nested_string, JSON_TOK_STRING),
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};
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static const struct json_obj_descr test_descr[] = {
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FIELD(struct test_struct, some_string, JSON_TOK_STRING),
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FIELD(struct test_struct, some_int, JSON_TOK_NUMBER),
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FIELD(struct test_struct, some_bool, JSON_TOK_TRUE),
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JSON_OBJ_DESCR_OBJECT(struct test_struct, some_nested_struct,
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nested_descr),
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JSON_OBJ_DESCR_ARRAY(struct test_struct, some_array,
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16, some_array_len, JSON_TOK_NUMBER),
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};
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#undef FIELD
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static void test_json_encoding(void)
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{
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struct test_struct ts = {
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.some_string = "zephyr 123",
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.some_int = 42,
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.some_bool = true,
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.some_nested_struct = {
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.nested_int = -1234,
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.nested_bool = false,
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.nested_string = "this should be escaped: \t"
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},
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.some_array[0] = 1,
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.some_array[1] = 4,
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.some_array[2] = 8,
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.some_array[3] = 16,
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.some_array[4] = 32,
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.some_array_len = 5
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};
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char encoded[] = "{\"some_string\":\"zephyr 123\","
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"\"some_int\":42,\"some_bool\":true,"
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"\"some_nested_struct\":{\"nested_int\":-1234,"
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"\"nested_bool\":false,\"nested_string\":"
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"\"this should be escaped: \\t\"},"
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"\"some_array\":[1,4,8,16,32]}";
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char buffer[sizeof(encoded)];
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int ret;
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ret = json_obj_encode_buf(test_descr, ARRAY_SIZE(test_descr),
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&ts, buffer, sizeof(buffer));
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assert_equal(ret, 0, "Encoding function returned no errors");
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ret = strncmp(buffer, encoded, sizeof(encoded) - 1);
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assert_equal(ret, 0, "Encoded contents consistent");
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}
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static void test_json_decoding(void)
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{
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struct test_struct ts;
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char encoded[] = "{\"some_string\":\"zephyr 123\","
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"\"some_int\":\t42\n,"
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"\"some_bool\":true \t "
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"\n"
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"\r ,"
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"\"some_nested_struct\":{ "
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"\"nested_int\":-1234,\n\n"
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"\"nested_bool\":false,\t"
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"\"nested_string\":\"this should be escaped: \\t\"},"
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"\"some_array\":[11,22, 33,\t45,\n299]"
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"}";
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const int expected_array[] = { 11, 22, 33, 45, 299 };
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int ret;
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ret = json_obj_parse(encoded, sizeof(encoded) - 1, test_descr,
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ARRAY_SIZE(test_descr), &ts);
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assert_equal(ret, (1 << ARRAY_SIZE(test_descr)) - 1,
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"All fields decoded correctly");
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assert_true(!strcmp(ts.some_string, "zephyr 123"),
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"String decoded correctly");
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assert_equal(ts.some_int, 42, "Positive integer decoded correctly");
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assert_equal(ts.some_bool, true, "Boolean decoded correctly");
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assert_equal(ts.some_nested_struct.nested_int, -1234,
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"Nested negative integer decoded correctly");
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assert_equal(ts.some_nested_struct.nested_bool, false,
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"Nested boolean value decoded correctly");
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assert_true(!strcmp(ts.some_nested_struct.nested_string,
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"this should be escaped: \\t"),
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"Nested string decoded correctly");
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assert_equal(ts.some_array_len, 5, "Array has correct number of items");
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assert_true(!memcmp(ts.some_array, expected_array,
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sizeof(expected_array)),
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"Array decoded with unexpected values");
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}
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static void test_json_invalid_unicode(void)
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{
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struct test_struct ts;
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char encoded[] = "{\"some_string\":\"\\uABC@\"}";
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int ret;
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ret = json_obj_parse(encoded, sizeof(encoded) - 1, test_descr,
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ARRAY_SIZE(test_descr), &ts);
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assert_equal(ret, -EINVAL, "Decoding has to fail");
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}
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static void test_json_missing_quote(void)
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{
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struct test_struct ts;
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char encoded[] = "{\"some_string";
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int ret;
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ret = json_obj_parse(encoded, sizeof(encoded) - 1, test_descr,
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ARRAY_SIZE(test_descr), &ts);
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assert_equal(ret, -EINVAL, "Decoding has to fail");
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}
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static void test_json_wrong_token(void)
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{
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struct test_struct ts;
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char encoded[] = "{\"some_string\",}";
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int ret;
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ret = json_obj_parse(encoded, sizeof(encoded) - 1, test_descr,
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ARRAY_SIZE(test_descr), &ts);
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assert_equal(ret, -EINVAL, "Decoding has to fail");
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}
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static void test_json_item_wrong_type(void)
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{
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struct test_struct ts;
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char encoded[] = "{\"some_string\":false}";
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int ret;
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ret = json_obj_parse(encoded, sizeof(encoded) - 1, test_descr,
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ARRAY_SIZE(test_descr), &ts);
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assert_equal(ret, -EINVAL, "Decoding has to fail");
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}
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static void test_json_key_not_in_descr(void)
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{
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struct test_struct ts;
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char encoded[] = "{\"key_not_in_descr\":123456}";
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int ret;
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ret = json_obj_parse(encoded, sizeof(encoded) - 1, test_descr,
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ARRAY_SIZE(test_descr), &ts);
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assert_equal(ret, 0, "No items should be decoded");
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}
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void test_main(void)
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{
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ztest_test_suite(lib_json_test,
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ztest_unit_test(test_json_encoding),
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ztest_unit_test(test_json_decoding),
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ztest_unit_test(test_json_invalid_unicode),
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ztest_unit_test(test_json_missing_quote),
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ztest_unit_test(test_json_wrong_token),
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ztest_unit_test(test_json_item_wrong_type),
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ztest_unit_test(test_json_key_not_in_descr)
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);
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ztest_run_test_suite(lib_json_test);
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}
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4
tests/lib/json/testcase.ini
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4
tests/lib/json/testcase.ini
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@ -0,0 +1,4 @@
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[test]
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tags = json
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build_only = true
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filter = ( CONFIG_SRAM_SIZE > 32 or CONFIG_DCCM_SIZE > 32 or CONFIG_RAM_SIZE > 32 )
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