mirror of
https://codeberg.org/dnkl/yambar.git
synced 2025-04-23 20:35:42 +02:00
11f7f38a3c
This plugin fetches weather information in the same fashion as Xmobar's Weather plugin. It fetches from NOAA's website (by default) using their standard format for reporting data from weather stations around the world. Also enable in CI. TODO: Fill out the example configuration in the docfile.
341 lines
11 KiB
C
341 lines
11 KiB
C
#include "weather.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define PARSE_SUCCEED(name, marker, info, lit) \
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do { \
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if (0) { \
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puts("string literal assertion: " lit); \
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} \
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const struct weather_curl_buffer buf = { \
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.buffer = lit, \
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.capacity = 0, \
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.size = sizeof(lit), \
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}; \
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fprintf(stderr, "========================================\n"); \
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fprintf(stderr, "Testing " name "\n"); \
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int res = parse_weather_info(&buf, &info); \
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if (res) { \
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fprintf(stderr, "unexpected failure to parse test '" name "'\n"); \
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marker = 0; \
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overall = EXIT_FAILURE; \
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} else { \
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fprintf(stderr, "succeeded in parsing\n"); \
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} \
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} while (0)
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#define PARSE_FAIL(name, lit) \
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do { \
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if (0) { \
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puts("string literal assertion: " lit); \
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} \
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const struct weather_curl_buffer buf = { \
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.buffer = lit, \
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.capacity = 0, \
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.size = sizeof(lit), \
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}; \
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struct weather_info info = {0}; \
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fprintf(stderr, "========================================\n"); \
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fprintf(stderr, "Testing " name " (expected to fail)\n"); \
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int res = parse_weather_info(&buf, &info); \
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if (!res) { \
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fprintf(stderr, "unexpected successful parsing of '" name "'\n"); \
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overall = EXIT_FAILURE; \
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} else { \
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fprintf(stderr, "succeeded in detecting bad parsing\n"); \
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} \
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} while (0)
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#define CHECK_STR(info, field, expect) \
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do { \
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if (!info.field) { \
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fprintf(stderr, "Unexpected `" #field "`: NULL\n"); \
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} else if (strcmp(info.field, expect)) { \
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fprintf(stderr, "Unexpected `" #field "`: '%s', expected '" expect "'\n", info.field); \
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overall = EXIT_FAILURE; \
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} \
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} while (0)
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#define CHECK_DOUBLE(info, field, expect) \
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do { \
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if (info.field != expect) { \
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fprintf(stderr, "Unexpected `" #field "`: '%f', expected '" #expect "'\n", info.field); \
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overall = EXIT_FAILURE; \
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} \
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} while (0)
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#define CHECK_INT(info, field, expect) \
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do { \
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if (info.field != expect) { \
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fprintf(stderr, "Unexpected `" #field "`: '%d', expected '" #expect "'\n", info.field); \
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overall = EXIT_FAILURE; \
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} \
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} while (0)
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#define DEFAULT_STATION \
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"Tirstrup, Denmark (EKAH) 56-18N 010-37E 25M\n"
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#define CHECK_DEFAULT_STATION(info) \
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do { \
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CHECK_STR(info, station_town, "Tirstrup"); \
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CHECK_STR(info, station_state, "Denmark"); \
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} while (0)
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#define DEFAULT_TIME \
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"Dec 22, 2024 - 04:20 PM EST / 2024.12.22 2120 UTC\n"
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#define CHECK_DEFAULT_TIME(info) \
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do { \
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CHECK_INT(info, year, 2024); \
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CHECK_INT(info, month, 12); \
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CHECK_INT(info, day, 22); \
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CHECK_INT(info, hour, 21); \
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CHECK_INT(info, minute, 20); \
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} while (0)
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#define DEFAULT_WIND \
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"Wind: from the SSW (200 degrees) at 5 MPH (4 KT) (direction variable):0\n"
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#define CHECK_DEFAULT_WIND(info) \
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do { \
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CHECK_STR(info, wind_direction, "SSW"); \
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CHECK_INT(info, wind_azimuth, 200); \
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CHECK_INT(info, wind_mph, 5); \
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CHECK_INT(info, wind_knots, 4); \
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CHECK_INT(info, wind_kmph, 7); \
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CHECK_INT(info, wind_mps, 2); \
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} while (0)
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#define DEFAULT_VISIBILITY \
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"Visibility: greater than 7 mile(s):0\n"
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#define CHECK_DEFAULT_VISIBILITY(info) \
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do { \
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CHECK_STR(info, visibility, "greater than 7 mile(s)"); \
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} while (0)
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#define DEFAULT_SKY_CONDITIONS \
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"Sky conditions: mostly clear\n"
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#define CHECK_DEFAULT_SKY_CONDITIONS(info) \
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do { \
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CHECK_STR(info, sky_condition, "mostly clear"); \
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} while (0)
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#define DEFAULT_WEATHER \
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"Weather: rain\n"
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#define CHECK_DEFAULT_WEATHER(info) \
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do { \
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CHECK_STR(info, weather, "rain"); \
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} while (0)
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#define DEFAULT_TEMPERATURE \
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"Temperature: 37 F (3 C)\n"
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#define CHECK_DEFAULT_TEMPERATURE(info) \
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do { \
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CHECK_DOUBLE(info, temp_f, 37); \
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CHECK_DOUBLE(info, temp_c, 3); \
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} while (0)
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#define DEFAULT_HEAT_INDEX \
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"Heat index: 35 F (2 C):0\n"
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#define CHECK_DEFAULT_HEAT_INDEX(info) \
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do { \
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CHECK_DOUBLE(info, heat_index_f, 35); \
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CHECK_DOUBLE(info, heat_index_c, 2); \
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} while (0)
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#define DEFAULT_DEW_POINT \
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"Dew Point: 35 F (2 C)\n"
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#define CHECK_DEFAULT_DEW_POINT(info) \
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do { \
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CHECK_DOUBLE(info, dew_point_f, 35); \
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CHECK_DOUBLE(info, dew_point_c, 2); \
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} while (0)
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#define DEFAULT_RELATIVE_HUMIDITY \
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"Relative Humidity: 93%\n"
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#define CHECK_DEFAULT_RELATIVE_HUMIDITY(info) \
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do { \
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CHECK_INT(info, humidity, 93); \
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} while (0)
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#define DEFAULT_PRESSURE \
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"Pressure (altimeter): 29.26 in. Hg (0991 hPa)\n"
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#define CHECK_DEFAULT_PRESSURE(info) \
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do { \
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CHECK_DOUBLE(info, pressure_mmhg, 29.26); \
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CHECK_INT(info, pressure_hpa, 991); \
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} while (0)
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#define DEFAULT_FOOTER \
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"ob: EKAH 222120Z AUTO 20004KT 150V250 9999 FEW140/// 03/02 Q0991\n" \
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"cycle: 21\n"
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int main(int argc, char* argv[])
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{
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int overall = EXIT_SUCCESS;
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PARSE_FAIL("empty string", "");
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// Default contents parsing
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{
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int parse_ok = 1;
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struct weather_info info = {0};
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PARSE_SUCCEED("default values",
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parse_ok, info,
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DEFAULT_STATION
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DEFAULT_TIME
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DEFAULT_WIND
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DEFAULT_VISIBILITY
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DEFAULT_SKY_CONDITIONS
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DEFAULT_WEATHER
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DEFAULT_TEMPERATURE
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DEFAULT_HEAT_INDEX
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DEFAULT_DEW_POINT
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DEFAULT_RELATIVE_HUMIDITY
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DEFAULT_PRESSURE
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DEFAULT_FOOTER);
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if (parse_ok) {
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CHECK_DEFAULT_STATION(info);
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CHECK_DEFAULT_TIME(info);
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CHECK_DEFAULT_WIND(info);
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CHECK_DEFAULT_VISIBILITY(info);
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CHECK_DEFAULT_WEATHER(info);
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CHECK_DEFAULT_SKY_CONDITIONS(info);
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CHECK_DEFAULT_TEMPERATURE(info);
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CHECK_DEFAULT_HEAT_INDEX(info);
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CHECK_DEFAULT_DEW_POINT(info);
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CHECK_DEFAULT_RELATIVE_HUMIDITY(info);
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CHECK_DEFAULT_PRESSURE(info);
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}
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}
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// Unknown station parsing
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{
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int parse_ok = 1;
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struct weather_info info = {0};
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PARSE_SUCCEED("unknown station",
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parse_ok, info,
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"Station name not available\n"
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DEFAULT_TIME
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DEFAULT_WIND
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DEFAULT_VISIBILITY
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DEFAULT_SKY_CONDITIONS
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DEFAULT_WEATHER
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DEFAULT_TEMPERATURE
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DEFAULT_HEAT_INDEX
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DEFAULT_DEW_POINT
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DEFAULT_RELATIVE_HUMIDITY
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DEFAULT_PRESSURE
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DEFAULT_FOOTER);
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if (parse_ok) {
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CHECK_STR(info, station_town, "?");
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CHECK_STR(info, station_state, "?");
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CHECK_DEFAULT_TIME(info);
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CHECK_DEFAULT_WIND(info);
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CHECK_DEFAULT_VISIBILITY(info);
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CHECK_DEFAULT_WEATHER(info);
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CHECK_DEFAULT_SKY_CONDITIONS(info);
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CHECK_DEFAULT_TEMPERATURE(info);
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CHECK_DEFAULT_HEAT_INDEX(info);
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CHECK_DEFAULT_DEW_POINT(info);
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CHECK_DEFAULT_RELATIVE_HUMIDITY(info);
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CHECK_DEFAULT_PRESSURE(info);
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}
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}
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// Missing weather parsing.
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{
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int parse_ok = 1;
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struct weather_info info = {0};
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PARSE_SUCCEED("missing_weather",
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parse_ok, info,
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DEFAULT_STATION
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DEFAULT_TIME
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DEFAULT_WIND
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DEFAULT_VISIBILITY
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DEFAULT_SKY_CONDITIONS
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DEFAULT_TEMPERATURE
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DEFAULT_HEAT_INDEX
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DEFAULT_DEW_POINT
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DEFAULT_RELATIVE_HUMIDITY
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DEFAULT_PRESSURE
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DEFAULT_FOOTER);
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if (parse_ok) {
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CHECK_DEFAULT_STATION(info);
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CHECK_DEFAULT_TIME(info);
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CHECK_DEFAULT_WIND(info);
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CHECK_DEFAULT_VISIBILITY(info);
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CHECK_STR(info, weather, "<unknown>");
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CHECK_DEFAULT_SKY_CONDITIONS(info);
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CHECK_DEFAULT_TEMPERATURE(info);
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CHECK_DEFAULT_HEAT_INDEX(info);
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CHECK_DEFAULT_DEW_POINT(info);
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CHECK_DEFAULT_RELATIVE_HUMIDITY(info);
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CHECK_DEFAULT_PRESSURE(info);
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}
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}
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// Calm wind parsing
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{
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int parse_ok = 1;
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struct weather_info info = {0};
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PARSE_SUCCEED("calm wind",
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parse_ok, info,
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DEFAULT_STATION
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DEFAULT_TIME
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"Wind: Calm:0\n"
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DEFAULT_VISIBILITY
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DEFAULT_SKY_CONDITIONS
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DEFAULT_WEATHER
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DEFAULT_TEMPERATURE
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DEFAULT_HEAT_INDEX
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DEFAULT_DEW_POINT
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DEFAULT_RELATIVE_HUMIDITY
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DEFAULT_PRESSURE
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DEFAULT_FOOTER);
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if (parse_ok) {
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CHECK_DEFAULT_STATION(info);
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CHECK_DEFAULT_TIME(info);
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CHECK_STR(info, wind_direction, "μ");
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CHECK_INT(info, wind_azimuth, -1);
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CHECK_INT(info, wind_mph, 0);
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CHECK_INT(info, wind_knots, 0);
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CHECK_INT(info, wind_kmph, 0);
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CHECK_INT(info, wind_mps, 0);
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CHECK_DEFAULT_VISIBILITY(info);
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CHECK_DEFAULT_WEATHER(info);
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CHECK_DEFAULT_SKY_CONDITIONS(info);
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CHECK_DEFAULT_TEMPERATURE(info);
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CHECK_DEFAULT_HEAT_INDEX(info);
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CHECK_DEFAULT_DEW_POINT(info);
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CHECK_DEFAULT_RELATIVE_HUMIDITY(info);
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CHECK_DEFAULT_PRESSURE(info);
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}
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}
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// Variable wind parsing
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{
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int parse_ok = 1;
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struct weather_info info = {0};
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PARSE_SUCCEED("variable wind",
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parse_ok, info,
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DEFAULT_STATION
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DEFAULT_TIME
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"Wind: Variable at 5 MPH (4 KT)\n"
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DEFAULT_VISIBILITY
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DEFAULT_SKY_CONDITIONS
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DEFAULT_WEATHER
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DEFAULT_TEMPERATURE
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DEFAULT_HEAT_INDEX
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DEFAULT_DEW_POINT
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DEFAULT_RELATIVE_HUMIDITY
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DEFAULT_PRESSURE
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DEFAULT_FOOTER);
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if (parse_ok) {
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CHECK_DEFAULT_STATION(info);
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CHECK_DEFAULT_TIME(info);
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CHECK_STR(info, wind_direction, "μ");
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CHECK_INT(info, wind_azimuth, -1);
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CHECK_INT(info, wind_mph, 5);
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CHECK_INT(info, wind_knots, 4);
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CHECK_INT(info, wind_kmph, 7);
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CHECK_INT(info, wind_mps, 2);
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CHECK_DEFAULT_VISIBILITY(info);
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CHECK_DEFAULT_WEATHER(info);
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CHECK_DEFAULT_SKY_CONDITIONS(info);
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CHECK_DEFAULT_TEMPERATURE(info);
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CHECK_DEFAULT_HEAT_INDEX(info);
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CHECK_DEFAULT_DEW_POINT(info);
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CHECK_DEFAULT_RELATIVE_HUMIDITY(info);
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CHECK_DEFAULT_PRESSURE(info);
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}
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}
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return overall;
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}
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