138 lines
4.9 KiB
JavaScript
138 lines
4.9 KiB
JavaScript
// noinspection ES6ConvertRequireIntoImport - this is CJS, not MJS
|
|
|
|
const { test } = require("node:test");
|
|
const assert = require("node:assert/strict");
|
|
const { DateBuilder } = require("./dateBuilder");
|
|
|
|
test("DateBuilder should be able to be initialised", () => {
|
|
const db = new DateBuilder();
|
|
assert.equal(db instanceof DateBuilder, true);
|
|
});
|
|
|
|
test("DateBuilder should be able to build current date", () => {
|
|
const now = new Date();
|
|
const db = new DateBuilder();
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), now.getFullYear());
|
|
assert.equal(built.getMonth(), now.getMonth());
|
|
assert.equal(built.getDate(), now.getDate());
|
|
assert.equal(built.getHours(), now.getHours());
|
|
assert.equal(built.getMinutes(), now.getMinutes());
|
|
assert.equal(built.getSeconds(), now.getSeconds());
|
|
});
|
|
|
|
test("DateBuilder should be able to add days", () => {
|
|
const db = new DateBuilder(new Date(2024, 0, 1)); // Jan 1, 2024
|
|
db.addDays(30);
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2024);
|
|
assert.equal(built.getMonth(), 0); // January
|
|
assert.equal(built.getDate(), 31); // January has 31 days
|
|
});
|
|
|
|
test("DateBuilder should be able to add months", () => {
|
|
const db = new DateBuilder(new Date(2024, 0, 1)); // Jan 31, 2024
|
|
db.addMonths(1);
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2024);
|
|
assert.equal(built.getMonth(), 1); // February
|
|
});
|
|
|
|
test("DateBuilder should be able to add years", () => {
|
|
const db = new DateBuilder(new Date(2020, 1, 1));
|
|
db.addYears(1);
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2021);
|
|
assert.equal(built.getMonth(), 1); // February
|
|
assert.equal(built.getDate(), 1);
|
|
});
|
|
|
|
test("DateBuilder should be able to set date", () => {
|
|
const db = new DateBuilder();
|
|
db.withDate(2022, 12, 25); // Dec 25, 2022
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2022);
|
|
assert.equal(built.getMonth(), 11); // December
|
|
assert.equal(built.getDate(), 25);
|
|
});
|
|
|
|
test("DateBuilder should be able to set time", () => {
|
|
const db = new DateBuilder();
|
|
db.withTime(15, 30, 45, 123); // 15:30:45.123
|
|
const built = db.build();
|
|
assert.equal(built.getHours(), 15);
|
|
assert.equal(built.getMinutes(), 30);
|
|
assert.equal(built.getSeconds(), 45);
|
|
assert.equal(built.getMilliseconds(), 123);
|
|
});
|
|
|
|
test("DateBuilder should be able to set start of day", () => {
|
|
const db = new DateBuilder(new Date(2024, 5, 15, 10, 20, 30, 456)); // June 15, 2024, 10:20:30.456
|
|
db.atStartOfDay();
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2024);
|
|
assert.equal(built.getMonth(), 5); // June
|
|
assert.equal(built.getDate(), 15);
|
|
assert.equal(built.getHours(), 0);
|
|
assert.equal(built.getMinutes(), 0);
|
|
assert.equal(built.getSeconds(), 0);
|
|
assert.equal(built.getMilliseconds(), 0);
|
|
});
|
|
|
|
test("DateBuilder should be able to set end of day", () => {
|
|
const db = new DateBuilder(new Date(2024, 5, 15, 10, 20, 30, 456)); // June 15, 2024, 10:20:30.456
|
|
db.atEndOfDay();
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2024);
|
|
assert.equal(built.getMonth(), 5); // June
|
|
assert.equal(built.getDate(), 15);
|
|
assert.equal(built.getHours(), 23);
|
|
assert.equal(built.getMinutes(), 59);
|
|
assert.equal(built.getSeconds(), 59);
|
|
assert.equal(built.getMilliseconds(), 999);
|
|
});
|
|
|
|
test("DateBuilder should be able to chain methods", () => {
|
|
const db = new DateBuilder(new Date(2024, 0, 1)); // Jan 1, 2024
|
|
db.addDays(1).addMonths(1).addYears(1).withTime(12, 0, 0).atEndOfDay();
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2025);
|
|
assert.equal(built.getMonth(), 1); // March
|
|
assert.equal(built.getDate(), 2);
|
|
assert.equal(built.getHours(), 23);
|
|
assert.equal(built.getMinutes(), 59);
|
|
assert.equal(built.getSeconds(), 59);
|
|
assert.equal(built.getMilliseconds(), 999);
|
|
});
|
|
|
|
test("DateBuilder should not mutate original date", () => {
|
|
const original = new Date(2024, 0, 1); // Jan 1, 2024
|
|
const db = new DateBuilder(original);
|
|
db.addDays(10);
|
|
const built = db.build();
|
|
assert.equal(original.getFullYear(), 2024);
|
|
assert.equal(original.getMonth(), 0); // January
|
|
assert.equal(original.getDate(), 1); // Original date should remain unchanged
|
|
assert.equal(built.getFullYear(), 2024);
|
|
assert.equal(built.getMonth(), 0); // January
|
|
assert.equal(built.getDate(), 11); // New date should be Jan 11, 2024
|
|
});
|
|
|
|
test("DateBuilder should handle leap years correctly", () => {
|
|
const db = new DateBuilder(new Date(2020, 1, 29)); // Feb 29, 2020 (leap year)
|
|
db.addYears(1);
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2021);
|
|
assert.equal(built.getMonth(), 2); // March
|
|
assert.equal(built.getDate(), 1); // March 1, 2021 (not a leap year)
|
|
});
|
|
|
|
test("DateBuilder should handle month overflow correctly", () => {
|
|
const db = new DateBuilder(new Date(2024, 0, 31)); // Jan 31, 2024
|
|
db.addDays(1);
|
|
const built = db.build();
|
|
assert.equal(built.getFullYear(), 2024);
|
|
assert.equal(built.getMonth(), 1); // February
|
|
assert.equal(built.getDate(), 1); // Feb 29, 2024 (leap year)
|
|
});
|