42 lines
1.9 KiB
PHP
42 lines
1.9 KiB
PHP
<?php
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namespace Tests\Unit;
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use App\Services\WeightEstimator;
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use PHPUnit\Framework\TestCase;
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/**
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* 参考重量估算：重量单位直算、规格解析折算、无法解析兜底（单位：斤）
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*/
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class WeightEstimatorTest extends TestCase
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{
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/** 计价单位本身是重量单位：订货量即重量（忽略规格） */
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public function test_weight_unit_quantity_is_weight(): void
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{
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$this->assertSame('5.000', WeightEstimator::estimate('10斤/箱', '斤', '5'));
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$this->assertSame('6.000', WeightEstimator::estimate('', '公斤', '3'));
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$this->assertSame('6.000', WeightEstimator::estimate('', 'KG', '3'));
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$this->assertSame('1.000', WeightEstimator::estimate('', '克', '500'));
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}
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/** 规格解析每件重量 × 订货量 */
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public function test_spec_per_unit_weight(): void
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{
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$this->assertSame('30.000', WeightEstimator::estimate('10斤/箱', '箱', '3'));
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$this->assertSame('75.000', WeightEstimator::estimate('25斤/袋', '袋', '3'));
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$this->assertSame('3.000', WeightEstimator::estimate('500g/袋', '袋', '3'));
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$this->assertSame('3.000', WeightEstimator::estimate('500克/袋', '袋', '3'));
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$this->assertSame('9.000', WeightEstimator::estimate('1.5kg/箱', '箱', '3'));
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$this->assertSame('12.000', WeightEstimator::estimate('2公斤/筐', '筐', '3'));
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$this->assertSame('15.000', WeightEstimator::estimate('10斤/箱', '箱', '1.5'), '订货量可为小数');
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}
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/** 规格无法解析：裸数字按斤计，无数字计 0 */
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public function test_unparsable_spec_fallback(): void
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{
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$this->assertSame('20.000', WeightEstimator::estimate('10/箱', '箱', '2'), '裸数字按斤计');
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$this->assertSame('0.000', WeightEstimator::estimate('散装', '箱', '3'));
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$this->assertSame('0.000', WeightEstimator::estimate('', '箱', '3'));
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}
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}
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