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markrogoyskiSmoren
markrogoyski
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Smoren
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Add unit tets for ArrayView indexing.
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‎tests/unit/ArrayView/IndexTest.php‎

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<?php
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declare(strict_types=1);
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namespace Smoren\ArrayView\Tests\Unit\ArrayView;
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use Smoren\ArrayView\Exceptions\IndexError;
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use Smoren\ArrayView\Exceptions\KeyError;
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use Smoren\ArrayView\Views\ArrayView;
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class IndexTest extends \Codeception\Test\Unit
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{
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/**
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* @dataProvider dataProviderForPositiveIndex
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* @param array $array
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* @param int $i
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* @param int $expected
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* @return void
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*/
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public function testPositiveIndex(array $array, int $i, int $expected): void
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{
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// Given
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$arrayView = ArrayView::toView($array);
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// When
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$number = $arrayView[$i];
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// Then
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$this->assertSame($expected, $number);
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}
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public static function dataProviderForPositiveIndex(): array
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{
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return [
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[
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[10, 20, 30, 40, 50],
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0,
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10
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],
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[
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[10, 20, 30, 40, 50],
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1,
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20
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],
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[
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[10, 20, 30, 40, 50],
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2,
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30
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],
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[
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[10, 20, 30, 40, 50],
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3,
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40
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],
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[
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[10, 20, 30, 40, 50],
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4,
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50
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],
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];
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}
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/**
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* @dataProvider dataProviderForPositiveStringIndex
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* @param array $array
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* @param string $i
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* @param int $expected
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* @return void
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*/
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public function testPositiveStringIndex(array $array, string $i, int $expected): void
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{
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// Given
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$arrayView = ArrayView::toView($array);
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// When
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$number = $arrayView[$i];
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// Then
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$this->assertSame($expected, $number);
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}
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public static function dataProviderForPositiveStringIndex(): array
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{
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return [
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[
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[10, 20, 30, 40, 50],
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'0',
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10
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],
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[
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[10, 20, 30, 40, 50],
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'1',
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20
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],
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[
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[10, 20, 30, 40, 50],
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'2',
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30
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],
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[
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[10, 20, 30, 40, 50],
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'3',
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40
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],
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[
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[10, 20, 30, 40, 50],
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'4',
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50
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],
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];
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}
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/**
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* @dataProvider dataProviderForNegativeIndex
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* @param array $array
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* @param int $i
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* @param int $expected
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* @return void
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*/
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public function testNegativeIndex(array $array, int $i, int $expected): void
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{
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// Given
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$arrayView = ArrayView::toView($array);
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// When
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$number = $arrayView[$i];
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// Then
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$this->assertSame($expected, $number);
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}
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public static function dataProviderForNegativeIndex(): array
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{
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return [
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[
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[10, 20, 30, 40, 50],
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-0,
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10
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],
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[
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[10, 20, 30, 40, 50],
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-1,
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50
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],
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[
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[10, 20, 30, 40, 50],
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-2,
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40
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],
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[
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[10, 20, 30, 40, 50],
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-3,
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30
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],
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[
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[10, 20, 30, 40, 50],
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-4,
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20
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],
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[
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[10, 20, 30, 40, 50],
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-5,
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10
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],
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];
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}
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/**
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* @dataProvider dataProviderForNegativeStringIndex
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* @param array $array
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* @param string $i
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* @param int $expected
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* @return void
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*/
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public function testNegativeStringIndex(array $array, string $i, int $expected): void
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{
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// Given
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$arrayView = ArrayView::toView($array);
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// When
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$number = $arrayView[$i];
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// Then
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$this->assertSame($expected, $number);
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}
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public static function dataProviderForNegativeStringIndex(): array
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{
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return [
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[
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[10, 20, 30, 40, 50],
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'-0',
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10
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],
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[
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[10, 20, 30, 40, 50],
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'-1',
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50
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],
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[
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[10, 20, 30, 40, 50],
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'-2',
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40
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],
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[
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[10, 20, 30, 40, 50],
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'-3',
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30
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],
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[
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[10, 20, 30, 40, 50],
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'-4',
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20
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],
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[
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[10, 20, 30, 40, 50],
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'-5',
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10
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],
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];
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}
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/**
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* @dataProvider dataProviderForIndexesLargerThanTwo
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* @param mixed $i
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* @return void
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*/
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public function testPositiveIndexError($i): void
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{
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// Given
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$array = [10, 20, 30];
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$arrayView = ArrayView::toView($array);
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// Then
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$this->expectException(IndexError::class);
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$this->expectExceptionMessageMatches('/Index \d+ is out of range/');
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// When
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$slice = $arrayView[$i];
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}
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public static function dataProviderForIndexesLargerThanTwo(): array
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{
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return [
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[3],
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['3'],
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[4],
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['4'],
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[100],
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['100'],
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];
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}
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/**
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* @dataProvider dataProviderForIndexesSmallerThanThanNegativeThree
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* @param mixed $i
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* @return void
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*/
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public function testNegativeIndexError($i): void
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{
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// Given
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$array = [10, 20, 30];
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$arrayView = ArrayView::toView($array);
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// Then
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$this->expectException(IndexError::class);
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$this->expectExceptionMessageMatches('/Index -\d+ is out of range/');
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// When
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$slice = $arrayView[$i];
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}
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public static function dataProviderForIndexesSmallerThanThanNegativeThree(): array
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{
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return [
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[-4],
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['-4'],
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[-5],
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['-5'],
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[-100],
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['-100'],
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];
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}
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/**
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* @dataProvider dataProviderForNonIntegerIndexes
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* @param mixed $i
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* @return void
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*/
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public function testNonIntegerIndexError($i): void
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{
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// Given
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$array = [10, 20, 30];
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$arrayView = ArrayView::toView($array);
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// Then
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$this->expectException(KeyError::class);
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// When
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$slice = $arrayView[$i];
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var_dump($slice);
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}
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public static function dataProviderForNonIntegerIndexes(): array
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{
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return [
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['a'],
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['１'],
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['Ⅱ'],
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['三'],
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['④'],
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['V'],
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['six'],
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];
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}
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}

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