root
89 lines
3.9 KiB
PHP
89 lines
3.9 KiB
PHP
<?php
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namespace Tests\App\Libraries;
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use App\Libraries\Tuition\NewTuitionCalculatorService;
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use PHPUnit\Framework\TestCase;
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class NewTuitionCalculatorServiceTest extends TestCase
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{
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public function testFamilyDiscountsApplyByStudentPosition(): void
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{
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$service = new NewTuitionCalculatorService();
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$result = $service->calculateFamilyTuition([
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['student_id' => 4, 'student_name' => 'Fourth', 'grade_level' => '4'],
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['student_id' => 1, 'student_name' => 'First', 'grade_level' => '1'],
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['student_id' => 3, 'student_name' => 'Third', 'grade_level' => '3'],
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['student_id' => 2, 'student_name' => 'Second', 'grade_level' => '2'],
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], [
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'grade_fee' => 9,
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'new_tuition_full_amount' => '380.00',
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'new_tuition_second_student_discount' => '100.00',
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]);
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$this->assertSame('1220.00', $result['total']);
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$this->assertSame('380.00', $result['details'][0]['amount']);
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$this->assertSame('280.00', $result['details'][1]['amount']);
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$this->assertSame('280.00', $result['details'][2]['amount']);
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$this->assertSame('280.00', $result['details'][3]['amount']);
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$this->assertSame('new_first_student_full_amount', $result['details'][0]['rule']);
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$this->assertSame('new_additional_student_discount', $result['details'][1]['rule']);
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}
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public function testDiscountCannotDriveAmountBelowZero(): void
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{
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$service = new NewTuitionCalculatorService();
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$result = $service->calculateFamilyTuition([
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['student_id' => 1, 'student_name' => 'One', 'grade_level' => '1'],
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['student_id' => 2, 'student_name' => 'Two', 'grade_level' => '2'],
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['student_id' => 3, 'student_name' => 'Three', 'grade_level' => '3'],
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], [
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'grade_fee' => 9,
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'new_tuition_full_amount' => '75.00',
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'new_tuition_second_student_discount' => '100.00',
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]);
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$this->assertSame('75.00', $result['total']);
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$this->assertSame('75.00', $result['details'][0]['amount']);
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$this->assertSame('0.00', $result['details'][1]['amount']);
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$this->assertSame('0.00', $result['details'][2]['amount']);
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}
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public function testYouthStudentsUseTheSameFamilyTuitionRule(): void
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{
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$service = new NewTuitionCalculatorService();
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$result = $service->calculateFamilyTuition([
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['student_id' => 3, 'student_name' => 'Youth', 'grade_level' => 'Youth 1'],
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['student_id' => 1, 'student_name' => 'Regular One', 'grade_level' => '2'],
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['student_id' => 2, 'student_name' => 'Regular Two', 'grade_level' => '5'],
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], [
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'grade_fee' => 9,
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'new_tuition_full_amount' => '380.00',
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'new_tuition_second_student_discount' => '100.00',
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]);
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$this->assertSame('940.00', $result['total']);
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$this->assertSame('380.00', $result['details'][0]['amount']);
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$this->assertSame('280.00', $result['details'][1]['amount']);
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$this->assertSame('280.00', $result['details'][2]['amount']);
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$this->assertSame('new_additional_student_discount', $result['details'][2]['rule']);
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}
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public function testGradeStudentAndYouthStudentAreTwoFamilyStudents(): void
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{
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$service = new NewTuitionCalculatorService();
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$result = $service->calculateFamilyTuition([
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['student_id' => 1, 'student_name' => 'Grade Student', 'grade_level' => '4'],
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['student_id' => 2, 'student_name' => 'Youth Student', 'grade_level' => 'Youth 1'],
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], [
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'grade_fee' => 9,
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'new_tuition_full_amount' => '380.00',
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'new_tuition_second_student_discount' => '100.00',
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]);
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$this->assertSame('660.00', $result['total']);
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$this->assertSame('380.00', $result['details'][0]['amount']);
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$this->assertSame('280.00', $result['details'][1]['amount']);
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}
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}
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