mirror of
https://github.com/PHPOffice/PhpSpreadsheet.git
synced 2026-10-10 05:46:30 +00:00
Adrien Crivelli
1b05dfab8b
And quite a bit more manual changes. The idea is that typing of our tests can be a bit more loose, so we assume PHPDoc is mostly correct. If that happens to be wrong, it should be caught by the tests themselves.
48 lines
1.8 KiB
PHP
48 lines
1.8 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Statistical;
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
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use PHPUnit\Framework\TestCase;
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// TODO Spreadsheet context.
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// Note that null in reference is treated differently than null in array.
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class ForecastTest extends TestCase
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{
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/**
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* @dataProvider providerFORECAST
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*/
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public function testFORECAST(mixed $expectedResult, mixed ...$args): void
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{
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$result = Statistical\Trends::FORECAST(...$args);
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self::assertEqualsWithDelta($expectedResult, $result, 1E-12);
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}
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public static function providerFORECAST(): array
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{
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return require 'tests/data/Calculation/Statistical/FORECAST.php';
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}
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/**
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* @dataProvider providerForecastArray
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*/
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public function testForecastArray(array $expectedResult, string $testValues, string $yValues, string $xValues): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=FORECAST({$testValues}, {$yValues}, {$xValues})";
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$result = $calculation->_calculateFormulaValue($formula);
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self::assertEqualsWithDelta($expectedResult, $result, 1.0e-14);
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}
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public static function providerForecastArray(): array
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{
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return [
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'row vector' => [[[-11.047619047619047, 22.95238095238095, 42.38095238095237]], '{-2, 5, 9}', '{3, 7, 15, 20, 22, 27}', '{1, 2, 3, 4, 5, 6}'],
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'column vector' => [[[-11.047619047619047], [22.95238095238095], [42.38095238095237]], '{-2; 5; 9}', '{3, 7, 15, 20, 22, 27}', '{1, 2, 3, 4, 5, 6}'],
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'matrix' => [[[-11.047619047619047, 22.95238095238095], [42.38095238095237, 15.66666666666666]], '{-2, 5; 9, 3.5}', '{3, 7, 15, 20, 22, 27}', '{1, 2, 3, 4, 5, 6}'],
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];
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}
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}
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