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https://github.com/WarmUpTill/SceneSwitcher.git
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Cleanup Twitch timestamp verification
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WarmUpTill
183
tests/test-twitch-timestamp.cpp
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183
tests/test-twitch-timestamp.cpp
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#include "catch.hpp"
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#include <twitch-timestamp.hpp>
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#include <chrono>
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#include <cstdio>
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#include <ctime>
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#include <string>
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// Build an RFC3339 UTC timestamp offset by 'offsetSeconds' from now.
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// A positive value means that many seconds in the past.
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static std::string makeTimestamp(int offsetSeconds = 0, bool withNanos = false,
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const char *tzSuffix = "Z")
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{
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auto now = std::chrono::system_clock::now() -
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std::chrono::seconds(offsetSeconds);
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time_t t = std::chrono::system_clock::to_time_t(now);
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std::tm tm = {};
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#ifdef _WIN32
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gmtime_s(&tm, &t);
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#else
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gmtime_r(&t, &tm);
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#endif
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char buf[64];
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if (withNanos) {
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snprintf(buf, sizeof(buf),
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"%04d-%02d-%02dT%02d:%02d:%02d.123456789%s",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec, tzSuffix);
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} else {
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snprintf(buf, sizeof(buf), "%04d-%02d-%02dT%02d:%02d:%02d%s",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec, tzSuffix);
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}
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return buf;
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}
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TEST_CASE("Valid timestamps are accepted", "[twitch][timestamp]")
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{
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SECTION("Current time with Z suffix")
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{
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REQUIRE(advss::IsValidEventSubTimestamp(makeTimestamp(0)));
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}
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SECTION("5 seconds in the past")
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{
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REQUIRE(advss::IsValidEventSubTimestamp(makeTimestamp(5)));
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}
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SECTION("9 minutes in the past (within 10-minute window)")
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{
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REQUIRE(advss::IsValidEventSubTimestamp(makeTimestamp(9 * 60)));
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}
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SECTION("Timestamp with nanoseconds and Z suffix")
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{
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REQUIRE(advss::IsValidEventSubTimestamp(
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makeTimestamp(0, true, "Z")));
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}
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SECTION("Lowercase z suffix is rejected (RFC 3339 requires uppercase Z)")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(
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makeTimestamp(0, false, "z")));
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}
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SECTION("+00:00 offset (UTC expressed as positive offset)")
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{
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REQUIRE(advss::IsValidEventSubTimestamp(
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makeTimestamp(0, false, "+00:00")));
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}
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SECTION("-00:00 offset")
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{
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REQUIRE(advss::IsValidEventSubTimestamp(
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makeTimestamp(0, false, "-00:00")));
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}
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SECTION("+05:30 offset (IST) with nanoseconds")
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{
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// Build a timestamp whose wall-clock value is now, expressed in
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// IST (+05:30). The UTC equivalent must still be within the window.
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auto now = std::chrono::system_clock::now();
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time_t t = std::chrono::system_clock::to_time_t(now);
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// Advance the displayed time by 5h30m to represent +05:30
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t += (5 * 60 + 30) * 60;
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std::tm tm = {};
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#ifdef _WIN32
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gmtime_s(&tm, &t);
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#else
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gmtime_r(&t, &tm);
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#endif
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char buf[64];
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snprintf(buf, sizeof(buf),
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"%04d-%02d-%02dT%02d:%02d:%02d.000000000+05:30",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec);
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REQUIRE(advss::IsValidEventSubTimestamp(buf));
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}
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SECTION("-08:00 offset (PST)")
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{
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auto now = std::chrono::system_clock::now();
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time_t t = std::chrono::system_clock::to_time_t(now);
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t -= 8 * 3600;
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std::tm tm = {};
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#ifdef _WIN32
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gmtime_s(&tm, &t);
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#else
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gmtime_r(&t, &tm);
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#endif
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char buf[64];
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snprintf(buf, sizeof(buf),
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"%04d-%02d-%02dT%02d:%02d:%02d-08:00",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec);
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REQUIRE(advss::IsValidEventSubTimestamp(buf));
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}
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}
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TEST_CASE("Expired timestamps are rejected", "[twitch][timestamp]")
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{
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SECTION("11 minutes in the past (outside 10-minute window)")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(
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makeTimestamp(11 * 60)));
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}
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SECTION("1 hour in the past")
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{
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REQUIRE_FALSE(
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advss::IsValidEventSubTimestamp(makeTimestamp(3600)));
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}
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SECTION("2 minutes in the future (outside -1min allowance)")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(
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makeTimestamp(-2 * 60)));
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}
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}
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TEST_CASE("Invalid timestamp strings are rejected", "[twitch][timestamp]")
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{
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SECTION("Empty string")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(""));
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}
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SECTION("Completely wrong format")
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{
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REQUIRE_FALSE(
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advss::IsValidEventSubTimestamp("not-a-timestamp"));
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}
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SECTION("Missing time component")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp("2023-07-19Z"));
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}
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SECTION("Missing UTC offset")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(
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"2023-07-19T14:56:51.634234626"));
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}
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SECTION("Malformed offset - missing minutes")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(
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"2023-07-19T14:56:51+05"));
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}
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SECTION("Malformed offset - non-numeric")
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{
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REQUIRE_FALSE(advss::IsValidEventSubTimestamp(
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"2023-07-19T14:56:51+XX:XX"));
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}
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SECTION("Truncated after seconds")
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{
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REQUIRE_FALSE(
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advss::IsValidEventSubTimestamp("2023-07-19T14:56:"));
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}
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}
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