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import {describe, expect, it} from 'vitest';

import {addDigitSeparator, escapeHTML} from '../shared/common-utils.js';

describe('HTML Escape Test Cases', () => {
    it('should prevent basic injection', () => {
        expect(escapeHTML("<script>alert('hi');</script>")).toEqual(
            `&lt;script&gt;alert(&#x27;hi&#x27;);&lt;/script&gt;`,
        );
    });
    it('should prevent tag injection', () => {
        expect(escapeHTML('\'"`>')).toEqual(`&#x27;&quot;&#x60;&gt;`);
    });
});

describe('digit separator', () => {
    it('handles short numbers', () => {
        expect(addDigitSeparator('42', '_', 3)).toEqual('42');
    });
    it('handles long numbers', () => {
        expect(addDigitSeparator('1234', '_', 3)).toEqual('1_234');
        expect(addDigitSeparator('123456789', "'", 3)).toEqual("123'456'789");
        expect(addDigitSeparator('1234567890', "'", 3)).toEqual("1'234'567'890");
    });
    it('handles hex numbers', () => {
        expect(addDigitSeparator('AABBCCDD12345678', '_', 4)).toEqual('AABB_CCDD_1234_5678');
        expect(addDigitSeparator('01AABBCCDD12345678', '_', 4)).toEqual('01_AABB_CCDD_1234_5678');
    });
    it('handles negative numbers', () => {
        expect(addDigitSeparator('-42', '_', 3)).toEqual('-42');
        expect(addDigitSeparator('-420', '_', 3)).toEqual('-420');
        expect(addDigitSeparator('-4200', '_', 3)).toEqual('-4_200');
        expect(addDigitSeparator('-123456789', '_', 3)).toEqual('-123_456_789');
    });
});