574 lines
12 KiB
C
574 lines
12 KiB
C
#include "test-tool.h"
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#include "cache.h"
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#include "json-writer.h"
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static const char *expect_obj1 = "{\"a\":\"abc\",\"b\":42,\"c\":true}";
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static const char *expect_obj2 = "{\"a\":-1,\"b\":2147483647,\"c\":0}";
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static const char *expect_obj3 = "{\"a\":0,\"b\":4294967295,\"c\":9223372036854775807}";
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static const char *expect_obj4 = "{\"t\":true,\"f\":false,\"n\":null}";
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static const char *expect_obj5 = "{\"abc\\tdef\":\"abc\\\\def\"}";
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static const char *expect_obj6 = "{\"a\":3.14}";
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static const char *pretty_obj1 = ("{\n"
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" \"a\": \"abc\",\n"
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" \"b\": 42,\n"
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" \"c\": true\n"
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"}");
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static const char *pretty_obj2 = ("{\n"
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" \"a\": -1,\n"
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" \"b\": 2147483647,\n"
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" \"c\": 0\n"
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"}");
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static const char *pretty_obj3 = ("{\n"
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" \"a\": 0,\n"
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" \"b\": 4294967295,\n"
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" \"c\": 9223372036854775807\n"
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"}");
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static const char *pretty_obj4 = ("{\n"
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" \"t\": true,\n"
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" \"f\": false,\n"
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" \"n\": null\n"
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"}");
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static struct json_writer obj1 = JSON_WRITER_INIT;
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static struct json_writer obj2 = JSON_WRITER_INIT;
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static struct json_writer obj3 = JSON_WRITER_INIT;
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static struct json_writer obj4 = JSON_WRITER_INIT;
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static struct json_writer obj5 = JSON_WRITER_INIT;
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static struct json_writer obj6 = JSON_WRITER_INIT;
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static void make_obj1(int pretty)
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{
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jw_object_begin(&obj1, pretty);
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{
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jw_object_string(&obj1, "a", "abc");
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jw_object_intmax(&obj1, "b", 42);
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jw_object_true(&obj1, "c");
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}
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jw_end(&obj1);
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}
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static void make_obj2(int pretty)
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{
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jw_object_begin(&obj2, pretty);
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{
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jw_object_intmax(&obj2, "a", -1);
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jw_object_intmax(&obj2, "b", 0x7fffffff);
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jw_object_intmax(&obj2, "c", 0);
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}
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jw_end(&obj2);
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}
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static void make_obj3(int pretty)
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{
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jw_object_begin(&obj3, pretty);
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{
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jw_object_intmax(&obj3, "a", 0);
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jw_object_intmax(&obj3, "b", 0xffffffff);
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jw_object_intmax(&obj3, "c", 0x7fffffffffffffffULL);
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}
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jw_end(&obj3);
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}
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static void make_obj4(int pretty)
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{
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jw_object_begin(&obj4, pretty);
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{
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jw_object_true(&obj4, "t");
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jw_object_false(&obj4, "f");
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jw_object_null(&obj4, "n");
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}
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jw_end(&obj4);
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}
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static void make_obj5(int pretty)
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{
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jw_object_begin(&obj5, pretty);
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{
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jw_object_string(&obj5, "abc" "\x09" "def", "abc" "\\" "def");
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}
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jw_end(&obj5);
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}
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static void make_obj6(int pretty)
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{
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jw_object_begin(&obj6, pretty);
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{
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jw_object_double(&obj6, "a", 2, 3.14159);
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}
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jw_end(&obj6);
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}
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static const char *expect_arr1 = "[\"abc\",42,true]";
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static const char *expect_arr2 = "[-1,2147483647,0]";
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static const char *expect_arr3 = "[0,4294967295,9223372036854775807]";
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static const char *expect_arr4 = "[true,false,null]";
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static const char *pretty_arr1 = ("[\n"
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" \"abc\",\n"
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" 42,\n"
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" true\n"
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"]");
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static const char *pretty_arr2 = ("[\n"
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" -1,\n"
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" 2147483647,\n"
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" 0\n"
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"]");
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static const char *pretty_arr3 = ("[\n"
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" 0,\n"
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" 4294967295,\n"
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" 9223372036854775807\n"
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"]");
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static const char *pretty_arr4 = ("[\n"
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" true,\n"
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" false,\n"
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" null\n"
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"]");
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static struct json_writer arr1 = JSON_WRITER_INIT;
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static struct json_writer arr2 = JSON_WRITER_INIT;
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static struct json_writer arr3 = JSON_WRITER_INIT;
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static struct json_writer arr4 = JSON_WRITER_INIT;
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static void make_arr1(int pretty)
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{
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jw_array_begin(&arr1, pretty);
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{
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jw_array_string(&arr1, "abc");
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jw_array_intmax(&arr1, 42);
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jw_array_true(&arr1);
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}
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jw_end(&arr1);
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}
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static void make_arr2(int pretty)
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{
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jw_array_begin(&arr2, pretty);
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{
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jw_array_intmax(&arr2, -1);
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jw_array_intmax(&arr2, 0x7fffffff);
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jw_array_intmax(&arr2, 0);
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}
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jw_end(&arr2);
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}
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static void make_arr3(int pretty)
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{
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jw_array_begin(&arr3, pretty);
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{
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jw_array_intmax(&arr3, 0);
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jw_array_intmax(&arr3, 0xffffffff);
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jw_array_intmax(&arr3, 0x7fffffffffffffffULL);
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}
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jw_end(&arr3);
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}
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static void make_arr4(int pretty)
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{
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jw_array_begin(&arr4, pretty);
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{
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jw_array_true(&arr4);
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jw_array_false(&arr4);
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jw_array_null(&arr4);
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}
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jw_end(&arr4);
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}
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static char *expect_nest1 =
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"{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},\"arr1\":[\"abc\",42,true]}";
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static struct json_writer nest1 = JSON_WRITER_INIT;
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static void make_nest1(int pretty)
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{
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make_obj1(0);
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make_arr1(0);
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jw_object_begin(&nest1, pretty);
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{
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jw_object_sub_jw(&nest1, "obj1", &obj1);
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jw_object_sub_jw(&nest1, "arr1", &arr1);
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}
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jw_end(&nest1);
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jw_release(&obj1);
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jw_release(&arr1);
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}
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static char *expect_inline1 =
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"{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},\"arr1\":[\"abc\",42,true]}";
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static char *pretty_inline1 =
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("{\n"
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" \"obj1\": {\n"
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" \"a\": \"abc\",\n"
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" \"b\": 42,\n"
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" \"c\": true\n"
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" },\n"
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" \"arr1\": [\n"
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" \"abc\",\n"
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" 42,\n"
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" true\n"
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" ]\n"
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"}");
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static struct json_writer inline1 = JSON_WRITER_INIT;
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static void make_inline1(int pretty)
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{
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jw_object_begin(&inline1, pretty);
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{
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jw_object_inline_begin_object(&inline1, "obj1");
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{
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jw_object_string(&inline1, "a", "abc");
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jw_object_intmax(&inline1, "b", 42);
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jw_object_true(&inline1, "c");
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}
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jw_end(&inline1);
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jw_object_inline_begin_array(&inline1, "arr1");
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{
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jw_array_string(&inline1, "abc");
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jw_array_intmax(&inline1, 42);
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jw_array_true(&inline1);
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}
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jw_end(&inline1);
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}
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jw_end(&inline1);
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}
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static char *expect_inline2 =
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"[[1,2],[3,4],{\"a\":\"abc\"}]";
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static char *pretty_inline2 =
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("[\n"
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" [\n"
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" 1,\n"
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" 2\n"
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" ],\n"
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" [\n"
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" 3,\n"
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" 4\n"
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" ],\n"
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" {\n"
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" \"a\": \"abc\"\n"
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" }\n"
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"]");
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static struct json_writer inline2 = JSON_WRITER_INIT;
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static void make_inline2(int pretty)
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{
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jw_array_begin(&inline2, pretty);
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{
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jw_array_inline_begin_array(&inline2);
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{
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jw_array_intmax(&inline2, 1);
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jw_array_intmax(&inline2, 2);
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}
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jw_end(&inline2);
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jw_array_inline_begin_array(&inline2);
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{
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jw_array_intmax(&inline2, 3);
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jw_array_intmax(&inline2, 4);
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}
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jw_end(&inline2);
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jw_array_inline_begin_object(&inline2);
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{
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jw_object_string(&inline2, "a", "abc");
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}
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jw_end(&inline2);
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}
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jw_end(&inline2);
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}
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/*
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* When super is compact, we expect subs to be compacted (even if originally
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* pretty).
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*/
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static const char *expect_mixed1 =
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("{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},"
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"\"arr1\":[\"abc\",42,true]}");
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/*
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* When super is pretty, a compact sub (obj1) is kept compact and a pretty
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* sub (arr1) is re-indented.
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*/
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static const char *pretty_mixed1 =
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("{\n"
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" \"obj1\": {\"a\":\"abc\",\"b\":42,\"c\":true},\n"
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" \"arr1\": [\n"
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" \"abc\",\n"
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" 42,\n"
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" true\n"
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" ]\n"
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"}");
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static struct json_writer mixed1 = JSON_WRITER_INIT;
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static void make_mixed1(int pretty)
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{
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jw_init(&obj1);
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jw_init(&arr1);
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make_obj1(0); /* obj1 is compact */
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make_arr1(1); /* arr1 is pretty */
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jw_object_begin(&mixed1, pretty);
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{
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jw_object_sub_jw(&mixed1, "obj1", &obj1);
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jw_object_sub_jw(&mixed1, "arr1", &arr1);
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}
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jw_end(&mixed1);
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jw_release(&obj1);
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jw_release(&arr1);
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}
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static void cmp(const char *test, const struct json_writer *jw, const char *exp)
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{
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if (!strcmp(jw->json.buf, exp))
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return;
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printf("error[%s]: observed '%s' expected '%s'\n",
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test, jw->json.buf, exp);
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exit(1);
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}
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#define t(v) do { make_##v(0); cmp(#v, &v, expect_##v); jw_release(&v); } while (0)
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#define p(v) do { make_##v(1); cmp(#v, &v, pretty_##v); jw_release(&v); } while (0)
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/*
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* Run some basic regression tests with some known patterns.
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* These tests also demonstrate how to use the jw_ API.
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*/
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static int unit_tests(void)
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{
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/* comptact (canonical) forms */
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t(obj1);
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t(obj2);
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t(obj3);
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t(obj4);
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t(obj5);
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t(obj6);
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t(arr1);
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t(arr2);
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t(arr3);
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t(arr4);
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t(nest1);
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t(inline1);
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t(inline2);
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jw_init(&obj1);
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jw_init(&obj2);
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jw_init(&obj3);
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jw_init(&obj4);
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jw_init(&arr1);
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jw_init(&arr2);
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jw_init(&arr3);
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jw_init(&arr4);
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jw_init(&inline1);
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jw_init(&inline2);
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/* pretty forms */
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p(obj1);
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p(obj2);
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p(obj3);
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p(obj4);
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p(arr1);
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p(arr2);
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p(arr3);
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p(arr4);
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p(inline1);
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p(inline2);
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/* mixed forms */
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t(mixed1);
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p(mixed1);
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return 0;
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}
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static void get_s(int line_nr, char **s_in)
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{
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*s_in = strtok(NULL, " ");
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if (!*s_in)
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die("line[%d]: expected: <s>", line_nr);
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}
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static void get_i(int line_nr, intmax_t *s_in)
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{
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char *s;
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char *endptr;
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get_s(line_nr, &s);
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*s_in = strtol(s, &endptr, 10);
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if (*endptr || errno == ERANGE)
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die("line[%d]: invalid integer value", line_nr);
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}
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static void get_d(int line_nr, double *s_in)
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{
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char *s;
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char *endptr;
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get_s(line_nr, &s);
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*s_in = strtod(s, &endptr);
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if (*endptr || errno == ERANGE)
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die("line[%d]: invalid float value", line_nr);
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}
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static int pretty;
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#define MAX_LINE_LENGTH (64 * 1024)
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static char *get_trimmed_line(char *buf, int buf_size)
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{
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int len;
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if (!fgets(buf, buf_size, stdin))
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return NULL;
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len = strlen(buf);
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while (len > 0) {
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char c = buf[len - 1];
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if (c == '\n' || c == '\r' || c == ' ' || c == '\t')
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buf[--len] = 0;
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else
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break;
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}
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while (*buf == ' ' || *buf == '\t')
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buf++;
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return buf;
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}
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static int scripted(void)
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{
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struct json_writer jw = JSON_WRITER_INIT;
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char buf[MAX_LINE_LENGTH];
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char *line;
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int line_nr = 0;
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line = get_trimmed_line(buf, MAX_LINE_LENGTH);
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if (!line)
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return 0;
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if (!strcmp(line, "object"))
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jw_object_begin(&jw, pretty);
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else if (!strcmp(line, "array"))
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jw_array_begin(&jw, pretty);
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else
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die("expected first line to be 'object' or 'array'");
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while ((line = get_trimmed_line(buf, MAX_LINE_LENGTH)) != NULL) {
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char *verb;
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char *key;
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char *s_value;
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intmax_t i_value;
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double d_value;
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line_nr++;
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verb = strtok(line, " ");
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if (!strcmp(verb, "end")) {
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jw_end(&jw);
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}
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else if (!strcmp(verb, "object-string")) {
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get_s(line_nr, &key);
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get_s(line_nr, &s_value);
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jw_object_string(&jw, key, s_value);
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}
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else if (!strcmp(verb, "object-int")) {
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get_s(line_nr, &key);
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get_i(line_nr, &i_value);
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jw_object_intmax(&jw, key, i_value);
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}
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else if (!strcmp(verb, "object-double")) {
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get_s(line_nr, &key);
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get_i(line_nr, &i_value);
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get_d(line_nr, &d_value);
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jw_object_double(&jw, key, i_value, d_value);
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}
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else if (!strcmp(verb, "object-true")) {
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get_s(line_nr, &key);
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jw_object_true(&jw, key);
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}
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else if (!strcmp(verb, "object-false")) {
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get_s(line_nr, &key);
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jw_object_false(&jw, key);
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}
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else if (!strcmp(verb, "object-null")) {
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get_s(line_nr, &key);
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jw_object_null(&jw, key);
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}
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else if (!strcmp(verb, "object-object")) {
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get_s(line_nr, &key);
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jw_object_inline_begin_object(&jw, key);
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}
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else if (!strcmp(verb, "object-array")) {
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get_s(line_nr, &key);
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jw_object_inline_begin_array(&jw, key);
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}
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else if (!strcmp(verb, "array-string")) {
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get_s(line_nr, &s_value);
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jw_array_string(&jw, s_value);
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}
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else if (!strcmp(verb, "array-int")) {
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get_i(line_nr, &i_value);
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jw_array_intmax(&jw, i_value);
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}
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else if (!strcmp(verb, "array-double")) {
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get_i(line_nr, &i_value);
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get_d(line_nr, &d_value);
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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();
|
|
}
|