41 lines
1.3 KiB
PHP
41 lines
1.3 KiB
PHP
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<?php
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use Modules\Booking\Models\Booking;
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use Modules\Booking\Services\BookingRefGenerator;
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test('the first booking ref starts the sequence at AAAAA1', function () {
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$ref = (new BookingRefGenerator)->generate();
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expect($ref)->toBe('EVB-AAAAA1');
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});
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test('the ref increments digit by digit through the alphabet', function () {
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Booking::factory()->create(['booking_ref' => 'EVB-AAAAA9']);
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expect((new BookingRefGenerator)->generate())->toBe('EVB-AAAAAA');
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});
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test('the ref carries over into the next position once the alphabet is exhausted', function () {
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Booking::factory()->create(['booking_ref' => 'EVB-AAAAZZ']);
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expect((new BookingRefGenerator)->generate())->toBe('EVB-AAAB11');
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});
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test('generated refs are unique across repeated calls', function () {
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$refs = [];
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for ($i = 0; $i < 20; $i++) {
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$ref = (new BookingRefGenerator)->generate();
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Booking::factory()->create(['booking_ref' => $ref]);
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$refs[] = $ref;
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}
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expect($refs)->toEqual(array_unique($refs));
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});
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test('an unrecognised existing ref format resets the sequence rather than throwing', function () {
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Booking::factory()->create(['booking_ref' => 'LEGACY-2024-0001']);
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expect((new BookingRefGenerator)->generate())->toBe('EVB-AAAAA1');
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});
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