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30 lines
905 B
TypeScript
30 lines
905 B
TypeScript
import { describe, expect, it } from "vitest";
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import {
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DEFAULT_WIND_SPEED_UNIT,
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formatTemperature,
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formatWindSpeed,
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isTemperatureUnit,
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isWindSpeedUnit,
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} from "@/lib/weather-utils";
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describe("weather utilities", () => {
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it("formats wind speed in km/h by default", () => {
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expect(DEFAULT_WIND_SPEED_UNIT).toBe("kmh");
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expect(formatWindSpeed(5, "en")).toBe("18 km/h");
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});
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it("formats selected temperature and wind units", () => {
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expect(formatTemperature(10, "en", "f")).toBe("50°F");
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expect(formatWindSpeed(4, "en", "mph")).toBe("9 mph");
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expect(formatWindSpeed(4, "en", "ms")).toBe("4.0 m/s");
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});
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it("validates supported presentation units", () => {
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expect(isTemperatureUnit("c")).toBe(true);
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expect(isTemperatureUnit("kelvin")).toBe(false);
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expect(isWindSpeedUnit("kmh")).toBe(true);
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expect(isWindSpeedUnit("knots")).toBe(false);
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});
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});
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