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42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { getEffectiveHourlyWeatherCode, getForecastConditionKey, isForecastNight } from "@/lib/forecast-utils";
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describe("forecast utilities", () => {
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it("promotes dry weather code to rain when precipitation probability is high", () => {
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expect(
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getEffectiveHourlyWeatherCode({
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weatherCode: 0,
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precipitation: 0,
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precipitationProbability: 100,
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}),
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).toBe(61);
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});
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it("keeps clear weather code when there is no precipitation signal", () => {
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expect(
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getEffectiveHourlyWeatherCode({
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weatherCode: 0,
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precipitation: 0,
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precipitationProbability: 10,
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}),
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).toBe(0);
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});
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it("recognizes night hours from sunrise and sunset", () => {
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const day = {
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sunrise: "2026-06-15T05:00",
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sunset: "2026-06-15T21:00",
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};
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expect(isForecastNight("2026-06-15T03:00", day)).toBe(true);
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expect(isForecastNight("2026-06-15T12:00", day)).toBe(false);
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expect(isForecastNight("2026-06-15T22:00", day)).toBe(true);
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});
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it("maps storm and rain weather codes to condition keys", () => {
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expect(getForecastConditionKey(61)).toBe("forecast.condition.rain");
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expect(getForecastConditionKey(95)).toBe("forecast.condition.thunderstorm");
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});
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});
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