60 lines
2.3 KiB
PHP
60 lines
2.3 KiB
PHP
<?php
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namespace Tests\Feature;
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use App\Models\ChecklistTemplate;
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use App\Services\ExpressionEvaluator;
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use App\Services\FormulaService;
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use Database\Seeders\ChecklistTemplateSeeder;
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use Illuminate\Foundation\Testing\RefreshDatabase;
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use Tests\TestCase;
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class FormulaTest extends TestCase
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{
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use RefreshDatabase;
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public function test_formula_calculation_works_for_a_b_c_d_e(): void
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{
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$this->seed(ChecklistTemplateSeeder::class);
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$template = ChecklistTemplate::activeTemplate();
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$service = app(FormulaService::class);
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$vars = ['SKOP1' => 100, 'SKOP2' => 200, 'SKOP3' => 50, 'EE' => 30, 'RE' => 20, 'D4I' => 10, 'D4II' => 15];
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$results = collect($service->compute($template, $vars))->keyBy('result_token');
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$this->assertEquals(350, $results['A']['value']); // 100 + 200 + 50
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$this->assertEquals(50, $results['B']['value']); // 30 + 20
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$this->assertEquals(300, $results['C']['value']); // A - B
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$this->assertEquals(325, $results['D']['value']); // A - 10 - 15
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$this->assertEqualsWithDelta(92.857, $results['E']['value'], 0.01); // D / A * 100
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}
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public function test_division_by_zero_is_guarded(): void
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{
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$this->seed(ChecklistTemplateSeeder::class);
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$template = ChecklistTemplate::activeTemplate();
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$service = app(FormulaService::class);
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// Semua sifar => A = 0, formula E (D/A*100) mesti mengembalikan 0, bukan ralat.
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$vars = ['SKOP1' => 0, 'SKOP2' => 0, 'SKOP3' => 0, 'EE' => 0, 'RE' => 0, 'D4I' => 0, 'D4II' => 0];
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$results = collect($service->compute($template, $vars))->keyBy('result_token');
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$this->assertEquals(0, $results['E']['value']);
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}
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public function test_expression_evaluator_respects_operator_precedence(): void
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{
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$eval = app(ExpressionEvaluator::class);
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$this->assertEquals(14, $eval->evaluate('2 + 3 * 4'));
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$this->assertEquals(20, $eval->evaluate('(2 + 3) * 4'));
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$this->assertEquals(5, $eval->evaluate('A + B', ['A' => 2, 'B' => 3]));
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}
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public function test_expression_evaluator_rejects_invalid_characters(): void
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{
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$this->expectException(\RuntimeException::class);
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app(ExpressionEvaluator::class)->evaluate('A; DROP TABLE', ['A' => 1]);
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}
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}
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