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test: add native Unity env with Utils tests
Adds an [env:native] for host-side unit tests (pio test -e native) with a minimal Arduino.h stub, and covers the Utils helpers: _trim, toBoolean, SETCHARPROP, sortArray and the Timestamp conversions. The firmware envs now extend a shared [esp32] section instead of [env] so the native env doesn't inherit the Arduino framework, the ESP32 libraries or the build scripts. The half-hour calcTZOffset cases fail: +05:30 comes back as 2300. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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cjkas
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commit
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3 changed files with 242 additions and 4 deletions
197
test/test_utils/test_utils.cpp
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197
test/test_utils/test_utils.cpp
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#include <unity.h>
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#include "Utils.h"
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// The C runtime only picks up TZ after it is re-read.
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static void setTZ(const char *tz) {
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#ifdef _WIN32
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_putenv_s("TZ", tz);
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_tzset();
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#else
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setenv("TZ", tz, 1);
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tzset();
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#endif
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}
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// 2024-03-05T07:08:09Z
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static const time_t SAMPLE_UTC = 1709622489;
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void setUp() { setTZ("UTC0"); }
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void tearDown() {}
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/*********************************************************************
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* _trim
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********************************************************************/
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static void test_trim_strips_whitespace_and_quotes() {
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char str[] = " \t\"Living Room\"\r\n";
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_trim(str);
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TEST_ASSERT_EQUAL_STRING("Living Room", str);
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}
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static void test_trim_keeps_clean_string() {
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char str[] = "Kitchen";
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_trim(str);
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TEST_ASSERT_EQUAL_STRING("Kitchen", str);
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}
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static void test_trim_all_whitespace_becomes_empty() {
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char str[] = " \t\r\n\" ";
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_trim(str);
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TEST_ASSERT_EQUAL_STRING("", str);
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}
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static void test_trim_empty_string() {
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char str[] = "";
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_trim(str);
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TEST_ASSERT_EQUAL_STRING("", str);
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}
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/*********************************************************************
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* toBoolean
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********************************************************************/
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static void test_toBoolean_missing_uses_default() {
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TEST_ASSERT_TRUE(toBoolean(nullptr, true));
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TEST_ASSERT_FALSE(toBoolean(nullptr, false));
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TEST_ASSERT_TRUE(toBoolean("", true));
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TEST_ASSERT_FALSE(toBoolean("", false));
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}
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static void test_toBoolean_true_values() {
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TEST_ASSERT_TRUE(toBoolean("true", false));
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TEST_ASSERT_TRUE(toBoolean("True", false));
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TEST_ASSERT_TRUE(toBoolean("1", false));
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}
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static void test_toBoolean_false_values() {
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TEST_ASSERT_FALSE(toBoolean("false", true));
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TEST_ASSERT_FALSE(toBoolean("False", true));
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TEST_ASSERT_FALSE(toBoolean("0", true));
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}
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static void test_toBoolean_unknown_uses_default() {
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TEST_ASSERT_TRUE(toBoolean("yes", true));
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TEST_ASSERT_FALSE(toBoolean("yes", false));
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}
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/*********************************************************************
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* SETCHARPROP
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********************************************************************/
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static void test_setcharprop_copies_short_value() {
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char prop[8];
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SETCHARPROP(prop, "abc", sizeof(prop));
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TEST_ASSERT_EQUAL_STRING("abc", prop);
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}
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static void test_setcharprop_truncates_long_value() {
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char prop[5];
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SETCHARPROP(prop, "abcdefgh", sizeof(prop));
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TEST_ASSERT_EQUAL_STRING("abcd", prop);
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}
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/*********************************************************************
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* sortArray / sortArrayReverse
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********************************************************************/
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static bool absLarger(int a, int b) { return abs(a) > abs(b); }
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static void test_sortArray_ascending() {
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int arr[] = {5, -1, 3, 0, 3};
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const int expected[] = {-1, 0, 3, 3, 5};
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sortArray(arr, 5);
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TEST_ASSERT_EQUAL_INT_ARRAY(expected, arr, 5);
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}
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static void test_sortArrayReverse_descending() {
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int arr[] = {5, -1, 3, 0, 3};
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const int expected[] = {5, 3, 3, 0, -1};
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sortArrayReverse(arr, 5);
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TEST_ASSERT_EQUAL_INT_ARRAY(expected, arr, 5);
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}
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static void test_sortArray_custom_comparator() {
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int arr[] = {-4, 1, 3, -2};
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const int expected[] = {1, -2, 3, -4};
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sortArray(arr, 4, absLarger);
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TEST_ASSERT_EQUAL_INT_ARRAY(expected, arr, 4);
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const int reversed[] = {-4, 3, -2, 1};
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sortArrayReverse(arr, 4, absLarger);
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TEST_ASSERT_EQUAL_INT_ARRAY(reversed, arr, 4);
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}
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static void test_sortArray_empty_and_single() {
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int one[] = {42};
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sortArray(one, 1);
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TEST_ASSERT_EQUAL_INT(42, one[0]);
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int none[] = {7};
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sortArray(none, 0);
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TEST_ASSERT_EQUAL_INT(7, none[0]);
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}
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static void test_sortArray_moves_free_ids_last() {
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// Free shade id slots are 255 and must end up after the used ones.
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uint8_t ids[] = {3, 255, 1, 255, 2};
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const uint8_t expected[] = {1, 2, 3, 255, 255};
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sortArray<uint8_t>(ids, sizeof(ids));
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TEST_ASSERT_EQUAL_UINT8_ARRAY(expected, ids, sizeof(ids));
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}
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/*********************************************************************
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* Timestamp
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********************************************************************/
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static struct tm sampleTm() {
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struct tm dt = {};
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dt.tm_year = 2024 - 1900;
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dt.tm_mon = 2;
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dt.tm_mday = 5;
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dt.tm_hour = 7;
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dt.tm_min = 8;
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dt.tm_sec = 9;
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return dt;
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}
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static void test_formatISO_offsets() {
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Timestamp ts;
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struct tm dt = sampleTm();
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TEST_ASSERT_EQUAL_STRING("2024-03-05T07:08:09.000+0000", ts.formatISO(&dt, 0));
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TEST_ASSERT_EQUAL_STRING("2024-03-05T07:08:09.000-0500", ts.formatISO(&dt, -500));
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TEST_ASSERT_EQUAL_STRING("2024-03-05T07:08:09.000+0530", ts.formatISO(&dt, 530));
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}
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static void test_calcTZOffset_whole_hours() {
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time_t t = SAMPLE_UTC;
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setTZ("UTC0");
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TEST_ASSERT_EQUAL_INT(0, Timestamp::calcTZOffset(&t));
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setTZ("EST5");
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TEST_ASSERT_EQUAL_INT(-500, Timestamp::calcTZOffset(&t));
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}
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static void test_calcTZOffset_half_hour_east() {
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time_t t = SAMPLE_UTC;
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setTZ("IST-5:30");
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TEST_ASSERT_EQUAL_INT(530, Timestamp::calcTZOffset(&t));
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}
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static void test_calcTZOffset_half_hour_west() {
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time_t t = SAMPLE_UTC;
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setTZ("NST3:30");
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TEST_ASSERT_EQUAL_INT(-330, Timestamp::calcTZOffset(&t));
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}
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static void test_parseUTCTime_in_utc() {
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setTZ("UTC0");
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TEST_ASSERT_EQUAL_INT64((int64_t)SAMPLE_UTC, (int64_t)Timestamp::parseUTCTime("2024-03-05T07:08:09Z"));
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}
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static void test_parseUTCTime_ignores_local_zone() {
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setTZ("IST-5:30");
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TEST_ASSERT_EQUAL_INT64((int64_t)SAMPLE_UTC, (int64_t)Timestamp::parseUTCTime("2024-03-05T07:08:09Z"));
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}
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int main(int argc, char **argv) {
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(void)argc;
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(void)argv;
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UNITY_BEGIN();
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RUN_TEST(test_trim_strips_whitespace_and_quotes);
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RUN_TEST(test_trim_keeps_clean_string);
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RUN_TEST(test_trim_all_whitespace_becomes_empty);
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RUN_TEST(test_trim_empty_string);
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RUN_TEST(test_toBoolean_missing_uses_default);
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RUN_TEST(test_toBoolean_true_values);
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RUN_TEST(test_toBoolean_false_values);
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RUN_TEST(test_toBoolean_unknown_uses_default);
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RUN_TEST(test_setcharprop_copies_short_value);
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RUN_TEST(test_setcharprop_truncates_long_value);
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RUN_TEST(test_sortArray_ascending);
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RUN_TEST(test_sortArrayReverse_descending);
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RUN_TEST(test_sortArray_custom_comparator);
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RUN_TEST(test_sortArray_empty_and_single);
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RUN_TEST(test_sortArray_moves_free_ids_last);
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RUN_TEST(test_formatISO_offsets);
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RUN_TEST(test_calcTZOffset_whole_hours);
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RUN_TEST(test_calcTZOffset_half_hour_east);
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RUN_TEST(test_calcTZOffset_half_hour_west);
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RUN_TEST(test_parseUTCTime_in_utc);
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RUN_TEST(test_parseUTCTime_ignores_local_zone);
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return UNITY_END();
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}
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