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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/helper/test-json-writer.c | |
parent | Initial commit. (diff) | |
download | git-upstream/1%2.39.2.tar.xz git-upstream/1%2.39.2.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/helper/test-json-writer.c')
-rw-r--r-- | t/helper/test-json-writer.c | 573 |
1 files changed, 573 insertions, 0 deletions
diff --git a/t/helper/test-json-writer.c b/t/helper/test-json-writer.c new file mode 100644 index 0000000..8c3edac --- /dev/null +++ b/t/helper/test-json-writer.c @@ -0,0 +1,573 @@ +#include "test-tool.h" +#include "cache.h" +#include "json-writer.h" + +static const char *expect_obj1 = "{\"a\":\"abc\",\"b\":42,\"c\":true}"; +static const char *expect_obj2 = "{\"a\":-1,\"b\":2147483647,\"c\":0}"; +static const char *expect_obj3 = "{\"a\":0,\"b\":4294967295,\"c\":9223372036854775807}"; +static const char *expect_obj4 = "{\"t\":true,\"f\":false,\"n\":null}"; +static const char *expect_obj5 = "{\"abc\\tdef\":\"abc\\\\def\"}"; +static const char *expect_obj6 = "{\"a\":3.14}"; + +static const char *pretty_obj1 = ("{\n" + " \"a\": \"abc\",\n" + " \"b\": 42,\n" + " \"c\": true\n" + "}"); +static const char *pretty_obj2 = ("{\n" + " \"a\": -1,\n" + " \"b\": 2147483647,\n" + " \"c\": 0\n" + "}"); +static const char *pretty_obj3 = ("{\n" + " \"a\": 0,\n" + " \"b\": 4294967295,\n" + " \"c\": 9223372036854775807\n" + "}"); +static const char *pretty_obj4 = ("{\n" + " \"t\": true,\n" + " \"f\": false,\n" + " \"n\": null\n" + "}"); + +static struct json_writer obj1 = JSON_WRITER_INIT; +static struct json_writer obj2 = JSON_WRITER_INIT; +static struct json_writer obj3 = JSON_WRITER_INIT; +static struct json_writer obj4 = JSON_WRITER_INIT; +static struct json_writer obj5 = JSON_WRITER_INIT; +static struct json_writer obj6 = JSON_WRITER_INIT; + +static void make_obj1(int pretty) +{ + jw_object_begin(&obj1, pretty); + { + jw_object_string(&obj1, "a", "abc"); + jw_object_intmax(&obj1, "b", 42); + jw_object_true(&obj1, "c"); + } + jw_end(&obj1); +} + +static void make_obj2(int pretty) +{ + jw_object_begin(&obj2, pretty); + { + jw_object_intmax(&obj2, "a", -1); + jw_object_intmax(&obj2, "b", 0x7fffffff); + jw_object_intmax(&obj2, "c", 0); + } + jw_end(&obj2); +} + +static void make_obj3(int pretty) +{ + jw_object_begin(&obj3, pretty); + { + jw_object_intmax(&obj3, "a", 0); + jw_object_intmax(&obj3, "b", 0xffffffff); + jw_object_intmax(&obj3, "c", 0x7fffffffffffffffULL); + } + jw_end(&obj3); +} + +static void make_obj4(int pretty) +{ + jw_object_begin(&obj4, pretty); + { + jw_object_true(&obj4, "t"); + jw_object_false(&obj4, "f"); + jw_object_null(&obj4, "n"); + } + jw_end(&obj4); +} + +static void make_obj5(int pretty) +{ + jw_object_begin(&obj5, pretty); + { + jw_object_string(&obj5, "abc" "\x09" "def", "abc" "\\" "def"); + } + jw_end(&obj5); +} + +static void make_obj6(int pretty) +{ + jw_object_begin(&obj6, pretty); + { + jw_object_double(&obj6, "a", 2, 3.14159); + } + jw_end(&obj6); +} + +static const char *expect_arr1 = "[\"abc\",42,true]"; +static const char *expect_arr2 = "[-1,2147483647,0]"; +static const char *expect_arr3 = "[0,4294967295,9223372036854775807]"; +static const char *expect_arr4 = "[true,false,null]"; + +static const char *pretty_arr1 = ("[\n" + " \"abc\",\n" + " 42,\n" + " true\n" + "]"); +static const char *pretty_arr2 = ("[\n" + " -1,\n" + " 2147483647,\n" + " 0\n" + "]"); +static const char *pretty_arr3 = ("[\n" + " 0,\n" + " 4294967295,\n" + " 9223372036854775807\n" + "]"); +static const char *pretty_arr4 = ("[\n" + " true,\n" + " false,\n" + " null\n" + "]"); + +static struct json_writer arr1 = JSON_WRITER_INIT; +static struct json_writer arr2 = JSON_WRITER_INIT; +static struct json_writer arr3 = JSON_WRITER_INIT; +static struct json_writer arr4 = JSON_WRITER_INIT; + +static void make_arr1(int pretty) +{ + jw_array_begin(&arr1, pretty); + { + jw_array_string(&arr1, "abc"); + jw_array_intmax(&arr1, 42); + jw_array_true(&arr1); + } + jw_end(&arr1); +} + +static void make_arr2(int pretty) +{ + jw_array_begin(&arr2, pretty); + { + jw_array_intmax(&arr2, -1); + jw_array_intmax(&arr2, 0x7fffffff); + jw_array_intmax(&arr2, 0); + } + jw_end(&arr2); +} + +static void make_arr3(int pretty) +{ + jw_array_begin(&arr3, pretty); + { + jw_array_intmax(&arr3, 0); + jw_array_intmax(&arr3, 0xffffffff); + jw_array_intmax(&arr3, 0x7fffffffffffffffULL); + } + jw_end(&arr3); +} + +static void make_arr4(int pretty) +{ + jw_array_begin(&arr4, pretty); + { + jw_array_true(&arr4); + jw_array_false(&arr4); + jw_array_null(&arr4); + } + jw_end(&arr4); +} + +static char *expect_nest1 = + "{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},\"arr1\":[\"abc\",42,true]}"; + +static struct json_writer nest1 = JSON_WRITER_INIT; + +static void make_nest1(int pretty) +{ + make_obj1(0); + make_arr1(0); + + jw_object_begin(&nest1, pretty); + { + jw_object_sub_jw(&nest1, "obj1", &obj1); + jw_object_sub_jw(&nest1, "arr1", &arr1); + } + jw_end(&nest1); + + jw_release(&obj1); + jw_release(&arr1); +} + +static char *expect_inline1 = + "{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},\"arr1\":[\"abc\",42,true]}"; + +static char *pretty_inline1 = + ("{\n" + " \"obj1\": {\n" + " \"a\": \"abc\",\n" + " \"b\": 42,\n" + " \"c\": true\n" + " },\n" + " \"arr1\": [\n" + " \"abc\",\n" + " 42,\n" + " true\n" + " ]\n" + "}"); + +static struct json_writer inline1 = JSON_WRITER_INIT; + +static void make_inline1(int pretty) +{ + jw_object_begin(&inline1, pretty); + { + jw_object_inline_begin_object(&inline1, "obj1"); + { + jw_object_string(&inline1, "a", "abc"); + jw_object_intmax(&inline1, "b", 42); + jw_object_true(&inline1, "c"); + } + jw_end(&inline1); + jw_object_inline_begin_array(&inline1, "arr1"); + { + jw_array_string(&inline1, "abc"); + jw_array_intmax(&inline1, 42); + jw_array_true(&inline1); + } + jw_end(&inline1); + } + jw_end(&inline1); +} + +static char *expect_inline2 = + "[[1,2],[3,4],{\"a\":\"abc\"}]"; + +static char *pretty_inline2 = + ("[\n" + " [\n" + " 1,\n" + " 2\n" + " ],\n" + " [\n" + " 3,\n" + " 4\n" + " ],\n" + " {\n" + " \"a\": \"abc\"\n" + " }\n" + "]"); + +static struct json_writer inline2 = JSON_WRITER_INIT; + +static void make_inline2(int pretty) +{ + jw_array_begin(&inline2, pretty); + { + jw_array_inline_begin_array(&inline2); + { + jw_array_intmax(&inline2, 1); + jw_array_intmax(&inline2, 2); + } + jw_end(&inline2); + jw_array_inline_begin_array(&inline2); + { + jw_array_intmax(&inline2, 3); + jw_array_intmax(&inline2, 4); + } + jw_end(&inline2); + jw_array_inline_begin_object(&inline2); + { + jw_object_string(&inline2, "a", "abc"); + } + jw_end(&inline2); + } + jw_end(&inline2); +} + +/* + * When super is compact, we expect subs to be compacted (even if originally + * pretty). + */ +static const char *expect_mixed1 = + ("{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true}," + "\"arr1\":[\"abc\",42,true]}"); + +/* + * When super is pretty, a compact sub (obj1) is kept compact and a pretty + * sub (arr1) is re-indented. + */ +static const char *pretty_mixed1 = + ("{\n" + " \"obj1\": {\"a\":\"abc\",\"b\":42,\"c\":true},\n" + " \"arr1\": [\n" + " \"abc\",\n" + " 42,\n" + " true\n" + " ]\n" + "}"); + +static struct json_writer mixed1 = JSON_WRITER_INIT; + +static void make_mixed1(int pretty) +{ + jw_init(&obj1); + jw_init(&arr1); + + make_obj1(0); /* obj1 is compact */ + make_arr1(1); /* arr1 is pretty */ + + jw_object_begin(&mixed1, pretty); + { + jw_object_sub_jw(&mixed1, "obj1", &obj1); + jw_object_sub_jw(&mixed1, "arr1", &arr1); + } + jw_end(&mixed1); + + jw_release(&obj1); + jw_release(&arr1); +} + +static void cmp(const char *test, const struct json_writer *jw, const char *exp) +{ + if (!strcmp(jw->json.buf, exp)) + return; + + printf("error[%s]: observed '%s' expected '%s'\n", + test, jw->json.buf, exp); + exit(1); +} + +#define t(v) do { make_##v(0); cmp(#v, &v, expect_##v); jw_release(&v); } while (0) +#define p(v) do { make_##v(1); cmp(#v, &v, pretty_##v); jw_release(&v); } while (0) + +/* + * Run some basic regression tests with some known patterns. + * These tests also demonstrate how to use the jw_ API. + */ +static int unit_tests(void) +{ + /* comptact (canonical) forms */ + t(obj1); + t(obj2); + t(obj3); + t(obj4); + t(obj5); + t(obj6); + + t(arr1); + t(arr2); + t(arr3); + t(arr4); + + t(nest1); + + t(inline1); + t(inline2); + + jw_init(&obj1); + jw_init(&obj2); + jw_init(&obj3); + jw_init(&obj4); + + jw_init(&arr1); + jw_init(&arr2); + jw_init(&arr3); + jw_init(&arr4); + + jw_init(&inline1); + jw_init(&inline2); + + /* pretty forms */ + p(obj1); + p(obj2); + p(obj3); + p(obj4); + + p(arr1); + p(arr2); + p(arr3); + p(arr4); + + p(inline1); + p(inline2); + + /* mixed forms */ + t(mixed1); + p(mixed1); + + return 0; +} + +static void get_s(int line_nr, char **s_in) +{ + *s_in = strtok(NULL, " "); + if (!*s_in) + die("line[%d]: expected: <s>", line_nr); +} + +static void get_i(int line_nr, intmax_t *s_in) +{ + char *s; + char *endptr; + + get_s(line_nr, &s); + + *s_in = strtol(s, &endptr, 10); + if (*endptr || errno == ERANGE) + die("line[%d]: invalid integer value", line_nr); +} + +static void get_d(int line_nr, double *s_in) +{ + char *s; + char *endptr; + + get_s(line_nr, &s); + + *s_in = strtod(s, &endptr); + if (*endptr || errno == ERANGE) + die("line[%d]: invalid float value", line_nr); +} + +static int pretty; + +#define MAX_LINE_LENGTH (64 * 1024) + +static char *get_trimmed_line(char *buf, int buf_size) +{ + int len; + + if (!fgets(buf, buf_size, stdin)) + return NULL; + + len = strlen(buf); + while (len > 0) { + char c = buf[len - 1]; + if (c == '\n' || c == '\r' || c == ' ' || c == '\t') + buf[--len] = 0; + else + break; + } + + while (*buf == ' ' || *buf == '\t') + buf++; + + return buf; +} + +static int scripted(void) +{ + struct json_writer jw = JSON_WRITER_INIT; + char buf[MAX_LINE_LENGTH]; + char *line; + int line_nr = 0; + + line = get_trimmed_line(buf, MAX_LINE_LENGTH); + if (!line) + return 0; + + if (!strcmp(line, "object")) + jw_object_begin(&jw, pretty); + else if (!strcmp(line, "array")) + jw_array_begin(&jw, pretty); + else + die("expected first line to be 'object' or 'array'"); + + while ((line = get_trimmed_line(buf, MAX_LINE_LENGTH)) != NULL) { + char *verb; + char *key; + char *s_value; + intmax_t i_value; + double d_value; + + line_nr++; + + verb = strtok(line, " "); + + if (!strcmp(verb, "end")) { + jw_end(&jw); + } + else if (!strcmp(verb, "object-string")) { + get_s(line_nr, &key); + get_s(line_nr, &s_value); + jw_object_string(&jw, key, s_value); + } + else if (!strcmp(verb, "object-int")) { + get_s(line_nr, &key); + get_i(line_nr, &i_value); + jw_object_intmax(&jw, key, i_value); + } + else if (!strcmp(verb, "object-double")) { + get_s(line_nr, &key); + get_i(line_nr, &i_value); + get_d(line_nr, &d_value); + jw_object_double(&jw, key, i_value, d_value); + } + else if (!strcmp(verb, "object-true")) { + get_s(line_nr, &key); + jw_object_true(&jw, key); + } + else if (!strcmp(verb, "object-false")) { + get_s(line_nr, &key); + jw_object_false(&jw, key); + } + else if (!strcmp(verb, "object-null")) { + get_s(line_nr, &key); + jw_object_null(&jw, key); + } + else if (!strcmp(verb, "object-object")) { + get_s(line_nr, &key); + jw_object_inline_begin_object(&jw, key); + } + else if (!strcmp(verb, "object-array")) { + get_s(line_nr, &key); + jw_object_inline_begin_array(&jw, key); + } + else if (!strcmp(verb, "array-string")) { + get_s(line_nr, &s_value); + jw_array_string(&jw, s_value); + } + else if (!strcmp(verb, "array-int")) { + get_i(line_nr, &i_value); + jw_array_intmax(&jw, i_value); + } + else if (!strcmp(verb, "array-double")) { + get_i(line_nr, &i_value); + get_d(line_nr, &d_value); + jw_array_double(&jw, i_value, d_value); + } + else if (!strcmp(verb, "array-true")) + jw_array_true(&jw); + else if (!strcmp(verb, "array-false")) + jw_array_false(&jw); + else if (!strcmp(verb, "array-null")) + jw_array_null(&jw); + else if (!strcmp(verb, "array-object")) + jw_array_inline_begin_object(&jw); + else if (!strcmp(verb, "array-array")) + jw_array_inline_begin_array(&jw); + else + die("unrecognized token: '%s'", verb); + } + + if (!jw_is_terminated(&jw)) + die("json not terminated: '%s'", jw.json.buf); + + printf("%s\n", jw.json.buf); + + jw_release(&jw); + return 0; +} + +int cmd__json_writer(int argc, const char **argv) +{ + argc--; /* skip over "json-writer" arg */ + argv++; + + if (argc > 0 && argv[0][0] == '-') { + if (!strcmp(argv[0], "-u") || !strcmp(argv[0], "--unit")) + return unit_tests(); + + if (!strcmp(argv[0], "-p") || !strcmp(argv[0], "--pretty")) + pretty = 1; + } + + return scripted(); +} |