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TNT/tests/unit/test_i18n.c

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/* Unit tests for i18n language selection and text lookup */
#include "../../include/i18n.h"
#include "text_assert.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TEST(name) static void test_##name()
#define RUN_TEST(name) do { \
printf("Running %s... ", #name); \
test_##name(); \
printf("✓\n"); \
tests_passed++; \
} while(0)
static int tests_passed = 0;
TEST(parse_explicit_languages) {
ui_lang_t lang;
assert(i18n_parse_ui_lang("zh", UI_LANG_EN) == UI_LANG_ZH);
assert(i18n_parse_ui_lang("zh_CN.UTF-8", UI_LANG_EN) == UI_LANG_ZH);
assert(i18n_parse_ui_lang("en", UI_LANG_ZH) == UI_LANG_EN);
assert(i18n_parse_ui_lang("en_US.UTF-8", UI_LANG_ZH) == UI_LANG_EN);
assert(i18n_parse_ui_lang("C", UI_LANG_ZH) == UI_LANG_EN);
assert(i18n_parse_ui_lang("POSIX", UI_LANG_ZH) == UI_LANG_EN);
assert(i18n_try_parse_ui_lang("zh", &lang) == true);
assert(lang == UI_LANG_ZH);
assert(i18n_try_parse_ui_lang("en", &lang) == true);
assert(lang == UI_LANG_EN);
assert(i18n_try_parse_ui_lang("cn", &lang) == false);
assert(i18n_try_parse_ui_lang("english", &lang) == false);
assert(i18n_try_parse_ui_lang("chinese", &lang) == false);
assert(i18n_try_parse_ui_lang("中文", &lang) == false);
assert(i18n_try_parse_ui_lang("英文", &lang) == false);
assert(i18n_try_parse_ui_lang("fr", &lang) == false);
}
TEST(parse_unknown_uses_fallback) {
assert(i18n_parse_ui_lang(NULL, UI_LANG_ZH) == UI_LANG_ZH);
assert(i18n_parse_ui_lang("", UI_LANG_EN) == UI_LANG_EN);
assert(i18n_parse_ui_lang("fr_FR.UTF-8", UI_LANG_ZH) == UI_LANG_ZH);
}
TEST(parse_ignores_surrounding_whitespace) {
ui_lang_t lang;
assert(i18n_try_parse_ui_lang(" zh ", &lang) == true);
assert(lang == UI_LANG_ZH);
assert(i18n_parse_ui_lang("\ten_US.UTF-8\n", UI_LANG_ZH) == UI_LANG_EN);
assert(i18n_try_parse_ui_lang(" english ", &lang) == false);
assert(i18n_try_parse_ui_lang("zh CN", &lang) == false);
setenv("TNT_LANG", " zh ", 1);
setenv("LC_ALL", "en_US.UTF-8", 1);
assert(i18n_default_ui_lang() == UI_LANG_ZH);
}
TEST(default_prefers_tnt_lang) {
setenv("TNT_LANG", "zh_CN.UTF-8", 1);
setenv("LC_ALL", "en_US.UTF-8", 1);
assert(i18n_default_ui_lang() == UI_LANG_ZH);
setenv("TNT_LANG", "en", 1);
setenv("LC_ALL", "zh_CN.UTF-8", 1);
assert(i18n_default_ui_lang() == UI_LANG_EN);
}
TEST(default_uses_locale_when_no_tnt_lang) {
unsetenv("TNT_LANG");
setenv("LC_ALL", "zh_CN.UTF-8", 1);
assert(i18n_default_ui_lang() == UI_LANG_ZH);
setenv("LC_ALL", "C", 1);
assert(i18n_default_ui_lang() == UI_LANG_EN);
}
TEST(text_lookup_matches_language) {
i18n_string_t sample = I18N_STRING("fallback", "替代");
i18n_string_t mapped = I18N_STRING_MAP(
I18N_EN("mapped fallback"),
I18N_ZH("映射替代")
);
i18n_string_t english_only = I18N_STRING_MAP(
I18N_EN("english only")
);
assert(strcmp(i18n_string(sample, UI_LANG_EN), "fallback") == 0);
assert(strcmp(i18n_string(sample, UI_LANG_ZH), "替代") == 0);
assert(strcmp(i18n_string(sample, (ui_lang_t)99), "fallback") == 0);
assert(strcmp(i18n_string(mapped, UI_LANG_EN), "mapped fallback") == 0);
assert(strcmp(i18n_string(mapped, UI_LANG_ZH), "映射替代") == 0);
assert(strcmp(i18n_string(english_only, UI_LANG_ZH),
"english only") == 0);
assert(strstr(i18n_text(UI_LANG_EN, I18N_USERNAME_PROMPT),
"display name") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_USERNAME_PROMPT),
"用户名") != NULL);
assert(strstr(i18n_text((ui_lang_t)99, I18N_USERNAME_PROMPT),
"display name") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_WELCOME_SUBTITLE),
"anonymous chat") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_WELCOME_SUBTITLE),
"匿名聊天室") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_HELP_STATUS_FORMAT),
"KEY REFERENCE") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_HELP_STATUS_FORMAT),
"l:lang") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_HELP_STATUS_FORMAT),
"按键参考") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_HELP_STATUS_FORMAT),
"l:语言") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_COMMAND_OUTPUT_TITLE),
"COMMAND") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_COMMAND_OUTPUT_TITLE),
"命令输出") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_COMMAND_OUTPUT_STATUS_FORMAT),
"q:close") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_COMMAND_OUTPUT_STATUS_FORMAT),
"q:关闭") != NULL);
assert(strstr(i18n_text(UI_LANG_EN,
I18N_COMMAND_OUTPUT_REFRESH_STATUS_FORMAT),
"r:refresh") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH,
I18N_COMMAND_OUTPUT_REFRESH_STATUS_FORMAT),
"r:刷新") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_MOTD_CONTINUE_HINT),
"Press any key") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_MOTD_CONTINUE_HINT),
"按任意键") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_TITLE_ONLINE_FORMAT),
"online") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_TITLE_ONLINE_FORMAT),
"在线") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_EMPTY_ROOM),
"No messages") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_EMPTY_FILTERED),
"可见") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_IDLE_TIMEOUT_FORMAT),
"idle timeout") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_IDLE_TIMEOUT_FORMAT),
"空闲超时") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_MSG_SENT_FORMAT),
"Private message sent") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_MSG_SENT_FORMAT),
"私信已发送") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_REPLY_NO_TARGET),
"No private message") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_REPLY_NO_TARGET),
"可回复") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_INBOX_TITLE),
"Private messages") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_INBOX_TITLE),
"私信") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_INBOX_SENT_TO_FORMAT),
"you ->") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_INBOX_SENT_TO_FORMAT),
"你 ->") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_INBOX_CLEARED),
"cleared") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_INBOX_CLEARED),
"清空") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_INBOX_UNREAD_FORMAT),
"new") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_INBOX_UNREAD_FORMAT),
"新") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_SEARCH_HEADER_FORMAT),
"Search") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_SEARCH_HEADER_FORMAT),
"搜索") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_LAST_EMPTY),
"No messages") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_SEARCH_EMPTY),
"匹配") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_LANG_CURRENT_FORMAT),
"lang <en|zh>") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_LANG_CURRENT_FORMAT),
"lang <en|zh>") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_UNKNOWN_COMMAND_FORMAT),
"Unknown command") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_UNKNOWN_COMMAND_FORMAT),
"未知命令") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_EXEC_POST_EMPTY),
"message cannot be empty") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_EXEC_POST_EMPTY),
"消息不能为空") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_EXEC_COMMAND_TOO_LONG),
"command too long") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_EXEC_COMMAND_TOO_LONG),
"命令过长") != NULL);
assert(strstr(i18n_text(UI_LANG_EN, I18N_EXEC_UNKNOWN_COMMAND_FORMAT),
"Unknown command") != NULL);
assert(strstr(i18n_text(UI_LANG_ZH, I18N_EXEC_UNKNOWN_COMMAND_FORMAT),
"未知命令") != NULL);
assert(strcmp(i18n_ui_lang_code(UI_LANG_EN), "en") == 0);
assert(strcmp(i18n_ui_lang_code(UI_LANG_ZH), "zh") == 0);
assert(strcmp(i18n_ui_lang_code((ui_lang_t)99), "en") == 0);
assert(i18n_next_ui_lang(UI_LANG_EN) == UI_LANG_ZH);
assert(i18n_next_ui_lang(UI_LANG_ZH) == UI_LANG_EN);
assert(i18n_next_ui_lang((ui_lang_t)99) == UI_LANG_EN);
}
TEST(text_catalog_is_complete) {
for (int id = 0; id < I18N_TEXT_COUNT; id++) {
assert(i18n_text(UI_LANG_EN, (i18n_text_id_t)id)[0] != '\0');
assert(i18n_text(UI_LANG_ZH, (i18n_text_id_t)id)[0] != '\0');
assert_ascii_angle_placeholders(
i18n_text(UI_LANG_ZH, (i18n_text_id_t)id));
}
assert(strcmp(i18n_text(UI_LANG_EN,
(i18n_text_id_t)I18N_TEXT_COUNT), "") == 0);
assert(strcmp(i18n_text(UI_LANG_ZH,
(i18n_text_id_t)I18N_TEXT_COUNT), "") == 0);
}
int main(void) {
printf("Running i18n unit tests...\n\n");
RUN_TEST(parse_explicit_languages);
RUN_TEST(parse_unknown_uses_fallback);
RUN_TEST(parse_ignores_surrounding_whitespace);
RUN_TEST(default_prefers_tnt_lang);
RUN_TEST(default_uses_locale_when_no_tnt_lang);
RUN_TEST(text_lookup_matches_language);
RUN_TEST(text_catalog_is_complete);
printf("\n✓ All %d tests passed!\n", tests_passed);
return 0;
}
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