<?php
/**
 * @author Daniel J. Summers <daniel@bitbadger.solutions>
 * @license MIT
 */

declare(strict_types=1);

use BitBadger\InspiredByFSharp\Arr;

describe('::all()', function () {
    test('succeeds when all elements match', function () {
        expect([2, 4, 6] |> Arr::all(fn ($it) => $it % 2 === 0))->toBeTrue();
    });
    test('succeeds when not all elements match', function () {
        expect([2, 5, 6] |> Arr::all(fn ($it) => $it % 2 === 0))->toBeFalse();
    });
});

describe('::any()', function () {
    test('succeeds when no elements match', function () {
        expect([2, 4, 6] |> Arr::any(fn ($it) => $it % 2 === 1))->toBeFalse();
    });
    test('succeeds when an element matches', function () {
        expect([2, 5, 6] |> Arr::any(fn ($it) => $it % 2 === 1))->toBeTrue();
    });
});

describe('::changeKeyCase()', function () {
    test('succeeds', function () {
        $test = ['ONE' => 1, 'two' => 2, 'Three' => 3] |> Arr::changeKeyCase();
        expect(array_keys($test))->toEqual(['one', 'two', 'three']);
    });
});

describe('::chunk()', function () {
    test('succeeds', function () {
        expect([1, 2, 3, 4, 5] |> Arr::chunk(2))->toBeArray()->toHaveLength(3);
    });
});

describe('::countValues', function () {
    test('succeeds', function () {
        $arr = ['this' => 1, 'that' => 2, 'theOther' => 3, 'somewhere' => 1, 'else' => 5] |> Arr::countValues();
        expect($arr)->toBeArray()
            ->and(array_keys($arr))->toHaveLength(4)
            ->and($arr[1])->toBe(2)
            ->and($arr[2])->toBe(1)
            ->and($arr[3])->toBe(1)
            ->and($arr[5])->toBe(1);
    });
});

describe('::map()', function () {
    test('maps an array', function () {
        expect([1, 2, 3] |> Arr::map(fn ($it) => $it * 2))->toEqual([2, 4, 6]);
    });
});