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565 lines
12 KiB
565 lines
12 KiB
#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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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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} |
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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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} |
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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); } while (0) |
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#define p(v) do { make_##v(1); cmp(#v, &v, pretty_##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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jw_init(&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); |
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} |
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else if (!strcmp(verb, "array-true")) |
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jw_array_true(&jw); |
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else if (!strcmp(verb, "array-false")) |
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jw_array_false(&jw); |
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else if (!strcmp(verb, "array-null")) |
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jw_array_null(&jw); |
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else if (!strcmp(verb, "array-object")) |
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jw_array_inline_begin_object(&jw); |
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else if (!strcmp(verb, "array-array")) |
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jw_array_inline_begin_array(&jw); |
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else |
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die("unrecognized token: '%s'", verb); |
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} |
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if (!jw_is_terminated(&jw)) |
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die("json not terminated: '%s'", jw.json.buf); |
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printf("%s\n", jw.json.buf); |
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strbuf_release(&jw.json); |
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return 0; |
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} |
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int cmd__json_writer(int argc, const char **argv) |
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{ |
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argc--; /* skip over "json-writer" arg */ |
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argv++; |
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if (argc > 0 && argv[0][0] == '-') { |
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if (!strcmp(argv[0], "-u") || !strcmp(argv[0], "--unit")) |
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return unit_tests(); |
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if (!strcmp(argv[0], "-p") || !strcmp(argv[0], "--pretty")) |
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pretty = 1; |
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} |
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return scripted(); |
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}
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