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today/source/date/date.test.ts

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1.6 KiB
TypeScript

import {setup} from "@holllo/test";
import {DateWrapper} from "./date.js";
await setup("DateWrapper", async (group) => {
group.test("Add Days", async (test) => {
const samples = [
[1, 23],
[10, 1],
[-1, 21],
[-10, 12],
];
for (const [daysToAdd, expectedDay] of samples) {
const wrapper = new DateWrapper("2023-05-22T12:00:00Z");
wrapper.addDays(daysToAdd);
test.equals(wrapper.date.getDate(), expectedDay, wrapper.iso());
}
});
group.test("Constructor", async (test) => {
const stringConstructor = new DateWrapper("2023-05-22T12:00:00Z");
test.true(stringConstructor.date instanceof Date, "String constructor");
const dateConstructor = new DateWrapper(new Date("2023-05-22T12:00:00Z"));
test.true(dateConstructor.date instanceof Date, "Date constructor");
});
group.test("Day of the Week", async (test) => {
const wrapper = new DateWrapper("2023-05-22T12:00:00Z");
for (let expected = 1; expected <= 7; expected++) {
test.equals(wrapper.dayOfTheWeek(), expected, wrapper.iso());
wrapper.addDays(1);
}
});
group.test("Padded Functions", async (test) => {
const samples: Array<[DateWrapper, string, string]> = [
[new DateWrapper("2023-05-02T12:00:00Z"), "05", "02"],
[new DateWrapper("2023-05-22T12:00:00Z"), "05", "22"],
[new DateWrapper("2023-11-02T12:00:00Z"), "11", "02"],
[new DateWrapper("2023-11-22T12:00:00Z"), "11", "22"],
];
for (const [wrapper, month, day] of samples) {
test.equals(wrapper.paddedMonth(), month, wrapper.iso());
test.equals(wrapper.paddedDay(), day, wrapper.iso());
}
});
});