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-rw-r--r--src/test/test-json.c461
1 files changed, 461 insertions, 0 deletions
diff --git a/src/test/test-json.c b/src/test/test-json.c
new file mode 100644
index 0000000..fdf1b4f
--- /dev/null
+++ b/src/test/test-json.c
@@ -0,0 +1,461 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <math.h>
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "json-internal.h"
+#include "json.h"
+#include "string-util.h"
+#include "strv.h"
+#include "util.h"
+
+static void test_tokenizer(const char *data, ...) {
+ unsigned line = 0, column = 0;
+ void *state = NULL;
+ va_list ap;
+
+ va_start(ap, data);
+
+ for (;;) {
+ unsigned token_line, token_column;
+ _cleanup_free_ char *str = NULL;
+ JsonValue v = JSON_VALUE_NULL;
+ int t, tt;
+
+ t = json_tokenize(&data, &str, &v, &token_line, &token_column, &state, &line, &column);
+ tt = va_arg(ap, int);
+
+ assert_se(t == tt);
+
+ if (t == JSON_TOKEN_END || t < 0)
+ break;
+
+ else if (t == JSON_TOKEN_STRING) {
+ const char *nn;
+
+ nn = va_arg(ap, const char *);
+ assert_se(streq_ptr(nn, str));
+
+ } else if (t == JSON_TOKEN_REAL) {
+ long double d;
+
+ d = va_arg(ap, long double);
+
+ /* Valgrind doesn't support long double calculations and automatically downgrades to 80bit:
+ * http://www.valgrind.org/docs/manual/manual-core.html#manual-core.limits.
+ * Some architectures might not support long double either.
+ */
+
+ assert_se(fabsl(d - v.real) < 1e-10 ||
+ fabsl((d - v.real) / v.real) < 1e-10);
+
+ } else if (t == JSON_TOKEN_INTEGER) {
+ intmax_t i;
+
+ i = va_arg(ap, intmax_t);
+ assert_se(i == v.integer);
+
+ } else if (t == JSON_TOKEN_UNSIGNED) {
+ uintmax_t u;
+
+ u = va_arg(ap, uintmax_t);
+ assert_se(u == v.unsig);
+
+ } else if (t == JSON_TOKEN_BOOLEAN) {
+ bool b;
+
+ b = va_arg(ap, int);
+ assert_se(b == v.boolean);
+ }
+ }
+
+ va_end(ap);
+}
+
+typedef void (*Test)(JsonVariant *);
+
+static void test_variant(const char *data, Test test) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL, *w = NULL;
+ _cleanup_free_ char *s = NULL;
+ int r;
+
+ r = json_parse(data, &v, NULL, NULL);
+ assert_se(r == 0);
+ assert_se(v);
+
+ r = json_variant_format(v, 0, &s);
+ assert_se(r >= 0);
+ assert_se(s);
+
+ log_info("formatted normally: %s\n", s);
+
+ r = json_parse(data, &w, NULL, NULL);
+ assert_se(r == 0);
+ assert_se(w);
+ assert_se(json_variant_has_type(v, json_variant_type(w)));
+ assert_se(json_variant_has_type(w, json_variant_type(v)));
+ assert_se(json_variant_equal(v, w));
+
+ s = mfree(s);
+ w = json_variant_unref(w);
+
+ r = json_variant_format(v, JSON_FORMAT_PRETTY, &s);
+ assert_se(r >= 0);
+ assert_se(s);
+
+ log_info("formatted prettily:\n%s", s);
+
+ r = json_parse(data, &w, NULL, NULL);
+ assert_se(r == 0);
+ assert_se(w);
+
+ assert_se(json_variant_has_type(v, json_variant_type(w)));
+ assert_se(json_variant_has_type(w, json_variant_type(v)));
+ assert_se(json_variant_equal(v, w));
+
+ s = mfree(s);
+ r = json_variant_format(v, JSON_FORMAT_COLOR, &s);
+ assert_se(r >= 0);
+ assert_se(s);
+ printf("Normal with color: %s\n", s);
+
+ s = mfree(s);
+ r = json_variant_format(v, JSON_FORMAT_COLOR|JSON_FORMAT_PRETTY, &s);
+ assert_se(r >= 0);
+ assert_se(s);
+ printf("Pretty with color:\n%s\n", s);
+
+ if (test)
+ test(v);
+}
+
+static void test_1(JsonVariant *v) {
+ JsonVariant *p, *q;
+ unsigned i;
+
+ /* 3 keys + 3 values */
+ assert_se(json_variant_elements(v) == 6);
+
+ /* has k */
+ p = json_variant_by_key(v, "k");
+ assert_se(p && json_variant_type(p) == JSON_VARIANT_STRING);
+
+ /* k equals v */
+ assert_se(streq(json_variant_string(p), "v"));
+
+ /* has foo */
+ p = json_variant_by_key(v, "foo");
+ assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 3);
+
+ /* check foo[0] = 1, foo[1] = 2, foo[2] = 3 */
+ for (i = 0; i < 3; ++i) {
+ q = json_variant_by_index(p, i);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == (i+1));
+ assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == (i+1));
+ }
+
+ /* has bar */
+ p = json_variant_by_key(v, "bar");
+ assert_se(p && json_variant_type(p) == JSON_VARIANT_OBJECT && json_variant_elements(p) == 2);
+
+ /* zap is null */
+ q = json_variant_by_key(p, "zap");
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_NULL);
+}
+
+static void test_2(JsonVariant *v) {
+ JsonVariant *p, *q;
+
+ /* 2 keys + 2 values */
+ assert_se(json_variant_elements(v) == 4);
+
+ /* has mutant */
+ p = json_variant_by_key(v, "mutant");
+ assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 4);
+
+ /* mutant[0] == 1 */
+ q = json_variant_by_index(p, 0);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == 1);
+ assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == 1);
+
+ /* mutant[1] == null */
+ q = json_variant_by_index(p, 1);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_NULL);
+
+ /* mutant[2] == "1" */
+ q = json_variant_by_index(p, 2);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
+
+ /* mutant[3] == JSON_VARIANT_OBJECT */
+ q = json_variant_by_index(p, 3);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_OBJECT && json_variant_elements(q) == 2);
+
+ /* has 1 */
+ p = json_variant_by_key(q, "1");
+ assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 2);
+
+ /* "1"[0] == 1 */
+ q = json_variant_by_index(p, 0);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == 1);
+ assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == 1);
+
+ /* "1"[1] == "1" */
+ q = json_variant_by_index(p, 1);
+ assert_se(q && json_variant_type(q) == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
+
+ /* has thisisaverylongproperty */
+ p = json_variant_by_key(v, "thisisaverylongproperty");
+ assert_se(p && json_variant_type(p) == JSON_VARIANT_REAL && fabsl(json_variant_real(p) - 1.27) < 0.001);
+}
+
+static void test_zeroes(JsonVariant *v) {
+ size_t i;
+
+ /* Make sure zero is how we expect it. */
+
+ assert_se(json_variant_elements(v) == 13);
+
+ for (i = 0; i < json_variant_elements(v); i++) {
+ JsonVariant *w;
+ size_t j;
+
+ assert_se(w = json_variant_by_index(v, i));
+
+ assert_se(json_variant_integer(w) == 0);
+ assert_se(json_variant_unsigned(w) == 0U);
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+ assert_se(json_variant_real(w) == 0.0L);
+#pragma GCC diagnostic pop
+
+ assert_se(json_variant_is_integer(w));
+ assert_se(json_variant_is_unsigned(w));
+ assert_se(json_variant_is_real(w));
+ assert_se(json_variant_is_number(w));
+
+ assert_se(!json_variant_is_negative(w));
+
+ assert_se(IN_SET(json_variant_type(w), JSON_VARIANT_INTEGER, JSON_VARIANT_UNSIGNED, JSON_VARIANT_REAL));
+
+ for (j = 0; j < json_variant_elements(v); j++) {
+ JsonVariant *q;
+
+ assert_se(q = json_variant_by_index(v, j));
+
+ assert_se(json_variant_equal(w, q));
+ }
+ }
+}
+
+static void test_build(void) {
+ _cleanup_(json_variant_unrefp) JsonVariant *a = NULL, *b = NULL;
+ _cleanup_free_ char *s = NULL, *t = NULL;
+
+ assert_se(json_build(&a, JSON_BUILD_STRING("hallo")) >= 0);
+ assert_se(json_build(&b, JSON_BUILD_LITERAL(" \"hallo\" ")) >= 0);
+ assert_se(json_variant_equal(a, b));
+
+ b = json_variant_unref(b);
+
+ assert_se(json_build(&b, JSON_BUILD_VARIANT(a)) >= 0);
+ assert_se(json_variant_equal(a, b));
+
+ b = json_variant_unref(b);
+ assert_se(json_build(&b, JSON_BUILD_STRING("pief")) >= 0);
+ assert_se(!json_variant_equal(a, b));
+
+ a = json_variant_unref(a);
+ b = json_variant_unref(b);
+
+ assert_se(json_build(&a, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("one", JSON_BUILD_INTEGER(7)),
+ JSON_BUILD_PAIR("two", JSON_BUILD_REAL(2.0)),
+ JSON_BUILD_PAIR("three", JSON_BUILD_INTEGER(0)))) >= 0);
+
+ assert_se(json_build(&b, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("two", JSON_BUILD_INTEGER(2)),
+ JSON_BUILD_PAIR("three", JSON_BUILD_REAL(0)),
+ JSON_BUILD_PAIR("one", JSON_BUILD_REAL(7)))) >= 0);
+
+ assert_se(json_variant_equal(a, b));
+
+ a = json_variant_unref(a);
+ b = json_variant_unref(b);
+
+ const char* arr_1234[] = {"one", "two", "three", "four", NULL};
+ assert_se(json_build(&a, JSON_BUILD_ARRAY(JSON_BUILD_OBJECT(JSON_BUILD_PAIR("x", JSON_BUILD_BOOLEAN(true)),
+ JSON_BUILD_PAIR("y", JSON_BUILD_OBJECT(JSON_BUILD_PAIR("this", JSON_BUILD_NULL)))),
+ JSON_BUILD_VARIANT(NULL),
+ JSON_BUILD_LITERAL(NULL),
+ JSON_BUILD_STRING(NULL),
+ JSON_BUILD_NULL,
+ JSON_BUILD_INTEGER(77),
+ JSON_BUILD_ARRAY(JSON_BUILD_VARIANT(JSON_VARIANT_STRING_CONST("foobar")),
+ JSON_BUILD_VARIANT(JSON_VARIANT_STRING_CONST("zzz"))),
+ JSON_BUILD_STRV((char**) arr_1234))) >= 0);
+
+ assert_se(json_variant_format(a, 0, &s) >= 0);
+ log_info("GOT: %s\n", s);
+ assert_se(json_parse(s, &b, NULL, NULL) >= 0);
+ assert_se(json_variant_equal(a, b));
+
+ a = json_variant_unref(a);
+ b = json_variant_unref(b);
+
+ assert_se(json_build(&a, JSON_BUILD_REAL(M_PIl)) >= 0);
+
+ s = mfree(s);
+ assert_se(json_variant_format(a, 0, &s) >= 0);
+ log_info("GOT: %s\n", s);
+ assert_se(json_parse(s, &b, NULL, NULL) >= 0);
+ assert_se(json_variant_format(b, 0, &t) >= 0);
+ log_info("GOT: %s\n", t);
+
+ assert_se(streq(s, t));
+
+ a = json_variant_unref(a);
+ b = json_variant_unref(b);
+
+ assert_se(json_build(&a, JSON_BUILD_OBJECT(
+ JSON_BUILD_PAIR("x", JSON_BUILD_STRING("y")),
+ JSON_BUILD_PAIR("z", JSON_BUILD_STRING("a")),
+ JSON_BUILD_PAIR("b", JSON_BUILD_STRING("c"))
+ )) >= 0);
+
+ assert_se(json_build(&b, JSON_BUILD_OBJECT(
+ JSON_BUILD_PAIR("x", JSON_BUILD_STRING("y")),
+ JSON_BUILD_PAIR_CONDITION(false, "p", JSON_BUILD_STRING("q")),
+ JSON_BUILD_PAIR_CONDITION(true, "z", JSON_BUILD_STRING("a")),
+ JSON_BUILD_PAIR_CONDITION(false, "j", JSON_BUILD_ARRAY(JSON_BUILD_STRING("k"), JSON_BUILD_STRING("u"), JSON_BUILD_STRING("i"))),
+ JSON_BUILD_PAIR("b", JSON_BUILD_STRING("c"))
+ )) >= 0);
+
+ assert_se(json_variant_equal(a, b));
+}
+
+static void test_source(void) {
+ static const char data[] =
+ "\n"
+ "\n"
+ "{\n"
+ "\"foo\" : \"bar\", \n"
+ "\"qüüx\" : [ 1, 2, 3,\n"
+ "4,\n"
+ "5 ],\n"
+ "\"miep\" : { \"hallo\" : 1 },\n"
+ "\n"
+ "\"zzzzzz\" \n"
+ ":\n"
+ "[ true, \n"
+ "false, 7.5, {} ]\n"
+ "}\n";
+
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+
+ printf("--- original begin ---\n"
+ "%s"
+ "--- original end ---\n", data);
+
+ assert_se(f = fmemopen((void*) data, strlen(data), "r"));
+
+ assert_se(json_parse_file(f, "waldo", &v, NULL, NULL) >= 0);
+
+ printf("--- non-pretty begin ---\n");
+ json_variant_dump(v, 0, stdout, NULL);
+ printf("\n--- non-pretty end ---\n");
+
+ printf("--- pretty begin ---\n");
+ json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR|JSON_FORMAT_SOURCE, stdout, NULL);
+ printf("--- pretty end ---\n");
+}
+
+static void test_depth(void) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ unsigned i;
+ int r;
+
+ v = JSON_VARIANT_STRING_CONST("start");
+
+ /* Let's verify that the maximum depth checks work */
+
+ for (i = 0;; i++) {
+ _cleanup_(json_variant_unrefp) JsonVariant *w = NULL;
+
+ assert_se(i <= UINT16_MAX);
+ if (i & 1)
+ r = json_variant_new_array(&w, &v, 1);
+ else
+ r = json_variant_new_object(&w, (JsonVariant*[]) { JSON_VARIANT_STRING_CONST("key"), v }, 2);
+ if (r == -ELNRNG) {
+ log_info("max depth at %u", i);
+ break;
+ }
+
+ assert_se(r >= 0);
+
+ json_variant_unref(v);
+ v = TAKE_PTR(w);
+ }
+
+ json_variant_dump(v, 0, stdout, NULL);
+ fputs("\n", stdout);
+}
+
+int main(int argc, char *argv[]) {
+
+ log_set_max_level(LOG_DEBUG);
+ log_parse_environment();
+ log_open();
+
+ test_tokenizer("x", -EINVAL);
+ test_tokenizer("", JSON_TOKEN_END);
+ test_tokenizer(" ", JSON_TOKEN_END);
+ test_tokenizer("0", JSON_TOKEN_UNSIGNED, (uintmax_t) 0, JSON_TOKEN_END);
+ test_tokenizer("-0", JSON_TOKEN_INTEGER, (intmax_t) 0, JSON_TOKEN_END);
+ test_tokenizer("1234", JSON_TOKEN_UNSIGNED, (uintmax_t) 1234, JSON_TOKEN_END);
+ test_tokenizer("-1234", JSON_TOKEN_INTEGER, (intmax_t) -1234, JSON_TOKEN_END);
+ test_tokenizer("18446744073709551615", JSON_TOKEN_UNSIGNED, (uintmax_t) UINT64_MAX, JSON_TOKEN_END);
+ test_tokenizer("-9223372036854775808", JSON_TOKEN_INTEGER, (intmax_t) INT64_MIN, JSON_TOKEN_END);
+ test_tokenizer("18446744073709551616", JSON_TOKEN_REAL, (long double) 18446744073709551616.0L, JSON_TOKEN_END);
+ test_tokenizer("-9223372036854775809", JSON_TOKEN_REAL, (long double) -9223372036854775809.0L, JSON_TOKEN_END);
+ test_tokenizer("-1234", JSON_TOKEN_INTEGER, (intmax_t) -1234, JSON_TOKEN_END);
+ test_tokenizer("3.141", JSON_TOKEN_REAL, (long double) 3.141, JSON_TOKEN_END);
+ test_tokenizer("0.0", JSON_TOKEN_REAL, (long double) 0.0, JSON_TOKEN_END);
+ test_tokenizer("7e3", JSON_TOKEN_REAL, (long double) 7e3, JSON_TOKEN_END);
+ test_tokenizer("-7e-3", JSON_TOKEN_REAL, (long double) -7e-3, JSON_TOKEN_END);
+ test_tokenizer("true", JSON_TOKEN_BOOLEAN, true, JSON_TOKEN_END);
+ test_tokenizer("false", JSON_TOKEN_BOOLEAN, false, JSON_TOKEN_END);
+ test_tokenizer("null", JSON_TOKEN_NULL, JSON_TOKEN_END);
+ test_tokenizer("{}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
+ test_tokenizer("\t {\n} \n", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
+ test_tokenizer("[]", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
+ test_tokenizer("\t [] \n\n", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
+ test_tokenizer("\"\"", JSON_TOKEN_STRING, "", JSON_TOKEN_END);
+ test_tokenizer("\"foo\"", JSON_TOKEN_STRING, "foo", JSON_TOKEN_END);
+ test_tokenizer("\"foo\\nfoo\"", JSON_TOKEN_STRING, "foo\nfoo", JSON_TOKEN_END);
+ test_tokenizer("{\"foo\" : \"bar\"}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_STRING, "foo", JSON_TOKEN_COLON, JSON_TOKEN_STRING, "bar", JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
+ test_tokenizer("{\"foo\" : [true, false]}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_STRING, "foo", JSON_TOKEN_COLON, JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_BOOLEAN, true, JSON_TOKEN_COMMA, JSON_TOKEN_BOOLEAN, false, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
+ test_tokenizer("\"\xef\xbf\xbd\"", JSON_TOKEN_STRING, "\xef\xbf\xbd", JSON_TOKEN_END);
+ test_tokenizer("\"\\ufffd\"", JSON_TOKEN_STRING, "\xef\xbf\xbd", JSON_TOKEN_END);
+ test_tokenizer("\"\\uf\"", -EINVAL);
+ test_tokenizer("\"\\ud800a\"", -EINVAL);
+ test_tokenizer("\"\\udc00\\udc00\"", -EINVAL);
+ test_tokenizer("\"\\ud801\\udc37\"", JSON_TOKEN_STRING, "\xf0\x90\x90\xb7", JSON_TOKEN_END);
+
+ test_tokenizer("[1, 2, -3]", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_UNSIGNED, (uintmax_t) 1, JSON_TOKEN_COMMA, JSON_TOKEN_UNSIGNED, (uintmax_t) 2, JSON_TOKEN_COMMA, JSON_TOKEN_INTEGER, (intmax_t) -3, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
+
+ test_variant("{\"k\": \"v\", \"foo\": [1, 2, 3], \"bar\": {\"zap\": null}}", test_1);
+ test_variant("{\"mutant\": [1, null, \"1\", {\"1\": [1, \"1\"]}], \"thisisaverylongproperty\": 1.27}", test_2);
+ test_variant("{\"foo\" : \"\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFFFFF\\\"\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFF\\uDBFF\\uDFFFF\\uDBFF\\uDFFF\\uDBFF\\uDFFF\\uDBFF\\uDFFF\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFFFF\\\"\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFF\\uDBFF\\uDFFF\"}", NULL);
+
+ test_variant("[ 0, -0, 0.0, -0.0, 0.000, -0.000, 0e0, -0e0, 0e+0, -0e-0, 0e-0, -0e000, 0e+000 ]", test_zeroes);
+
+ test_build();
+
+ test_source();
+
+ test_depth();
+
+ return 0;
+}