75 lines
2.6 KiB
PHP
75 lines
2.6 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Tests\Unit\Services;
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use App\Services\LanguageDetectionService;
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use Tests\TestCase;
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class LanguageDetectionServiceTest extends TestCase
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{
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private LanguageDetectionService $service;
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protected function setUp(): void
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{
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parent::setUp();
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$this->service = new LanguageDetectionService;
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}
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public function test_detects_english_from_english_paragraph(): void
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{
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$text = 'The solar system is the gravitationally bound system of the Sun and the
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objects that orbit it. Of the bodies that orbit the Sun directly, the largest
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are the eight planets, with the remainder being smaller objects, the dwarf
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planets and small solar system bodies. Planets and most other large bodies
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in the solar system orbit the Sun in the same direction, counterclockwise
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when viewed from above the Sun\'s north pole.';
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$result = $this->service->detect($text);
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$this->assertIsArray($result);
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$this->assertCount(2, $result);
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$this->assertTrue(
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str_starts_with($result[0], 'en'),
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"Expected an English-family tag, got '{$result[0]}'.",
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);
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$this->assertIsFloat($result[1]);
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$this->assertGreaterThan(0.0, $result[1]);
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$this->assertLessThanOrEqual(1.0, $result[1]);
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}
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public function test_detects_portuguese_from_portuguese_paragraph(): void
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{
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$text = 'O sistema solar é o sistema gravitacionalmente ligado composto pelo Sol e
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pelos objetos que orbitam ao seu redor. Dos corpos que orbitam o Sol
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diretamente, os maiores são os oito planetas, sendo o restante composto por
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objetos menores, como planetas anões e corpos menores do sistema solar.
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A Terra é o único planeta conhecido a abrigar vida, possuindo uma atmosfera
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rica em nitrogênio e oxigênio que sustenta os seres vivos.';
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$result = $this->service->detect($text);
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$this->assertIsArray($result);
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$this->assertCount(2, $result);
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$this->assertTrue(
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str_starts_with($result[0], 'pt'),
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"Expected a Portuguese-family tag, got '{$result[0]}'.",
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);
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$this->assertIsFloat($result[1]);
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$this->assertGreaterThan(0.0, $result[1]);
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$this->assertLessThanOrEqual(1.0, $result[1]);
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}
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public function test_returns_null_for_empty_string(): void
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{
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$this->assertNull($this->service->detect(''));
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}
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public function test_returns_null_for_whitespace_only_string(): void
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{
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$this->assertNull($this->service->detect(' '));
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}
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}
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