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test: refactor date formatter tests.

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- Add tests for global locale.
- Warn about missing locales.
- Downgrade REQUIRE to CHECK.
- Skip tests if localized formatting does not work as expected.
This commit is contained in:
Aleksei Bavshin
2023-01-20 22:46:16 -08:00
parent ea17a66dfc
commit 6225db0a48
1 changed files with 109 additions and 41 deletions
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150
test/date.cpp
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@@ -1,13 +1,23 @@
#include "util/date.hpp"
#include <chrono>
#include <ctime>
#include <iomanip>
#include <sstream>
#include <stdexcept>
#if __has_include(<catch2/catch_test_macros.hpp>)
#include <catch2/catch_test_macros.hpp>
#include <catch2/matchers/catch_matchers_all.hpp>
#else
#include <catch2/catch.hpp>
#endif
#include <chrono>
#include <stdexcept>
#ifndef SKIP
#define SKIP(...) \
WARN(__VA_ARGS__); \
return
#endif
using namespace std::literals::chrono_literals;
@@ -18,39 +28,79 @@ using namespace std::literals::chrono_literals;
const date::zoned_time<std::chrono::seconds> TEST_TIME = date::zoned_time{
"UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s};
/*
* Check if the date formatted with LC_TIME=en_US is within expectations.
*
* The check expects Glibc output style and will fail with FreeBSD (different implementation)
* or musl (no implementation).
*/
static const bool LC_TIME_is_sane = []() {
try {
std::stringstream ss;
ss.imbue(std::locale("en_US.UTF-8"));
time_t t = 1641211200;
std::tm tm = *std::gmtime(&t);
ss << std::put_time(&tm, "%x %X");
return ss.str() == "01/03/2022 12:00:00 PM";
} catch (std::exception &) {
return false;
}
}();
TEST_CASE("Format UTC time", "[clock][util]") {
const auto loc = std::locale("C");
const auto tm = TEST_TIME;
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
if (!LC_TIME_is_sane) {
SKIP("Locale support check failed, skip tests");
}
/* Test a few locales that are most likely to be present */
SECTION("US locale") {
try {
const auto loc = std::locale("en_US");
const auto loc = std::locale("en_US.UTF-8");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
} catch (const std::runtime_error&) {
// locale not found; ignore
CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
SECTION("GB locale") {
try {
const auto loc = std::locale("en_GB");
const auto loc = std::locale("en_GB.UTF-8");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
} catch (const std::runtime_error&) {
// locale not found; ignore
CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
} catch (const std::runtime_error &) {
WARN("Locale en_GB not found, skip tests");
}
}
SECTION("Global locale") {
try {
const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
CHECK(fmt::format("{}", tm).empty()); // no format specified
CHECK_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
std::locale::global(loc);
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
}
@@ -59,36 +109,54 @@ TEST_CASE("Format zoned time", "[clock][util]") {
const auto loc = std::locale("C");
const auto tm = date::zoned_time{"America/New_York", TEST_TIME};
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
if (!LC_TIME_is_sane) {
SKIP("Locale support check failed, skip tests");
}
/* Test a few locales that are most likely to be present */
SECTION("US locale") {
try {
const auto loc = std::locale("en_US");
const auto loc = std::locale("en_US.UTF-8");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
} catch (const std::runtime_error&) {
// locale not found; ignore
CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
SECTION("GB locale") {
try {
const auto loc = std::locale("en_GB");
const auto loc = std::locale("en_GB.UTF-8");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
} catch (const std::runtime_error&) {
// locale not found; ignore
CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
} catch (const std::runtime_error &) {
WARN("Locale en_GB not found, skip tests");
}
}
SECTION("Global locale") {
try {
const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
CHECK(fmt::format("{}", tm).empty()); // no format specified
CHECK_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
std::locale::global(loc);
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
}