68 lines
1.9 KiB
PHP
68 lines
1.9 KiB
PHP
<?php
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/**
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* Copyright 2026 Kacper Donat
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*
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* @author Kacper "Kadet" Donat <kacper@kadet.net>
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*
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* Full license available in separate LICENSE file
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*/
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use Kadet\Functional as f;
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use function Kadet\Functional\Collections\Internal\callback;
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use const Kadet\Functional\_;
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class CallbackTest extends \PHPUnit\Framework\TestCase
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{
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public function testInternalFunctionGetsValueOnly()
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{
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$this->assertSame('a', callback(trim(...))(' a ', 'xyz'));
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}
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public function testInternalStringCallableGetsValueOnly()
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{
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$this->assertSame('A', callback('strtoupper')('a', 'key'));
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}
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public function testSingleParamClosureGetsValueOnly()
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{
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$this->assertSame([1], callback(function ($v) { return func_get_args(); })(1, 'k'));
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}
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public function testTwoParamClosureGetsKey()
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{
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$this->assertSame('k=v', callback(fn ($v, $k) => "$k=$v")('v', 'k'));
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}
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public function testVariadicClosureGetsKey()
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{
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$this->assertSame(['v', 'k'], callback(fn (...$args) => $args)('v', 'k'));
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}
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public function testPartialOfInternalFunctionDoesNotGetKey()
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{
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$this->assertSame('a', callback(f\partial(trim(...), _, 'x'))('xax', 'key'));
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}
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public function testPartialOfInternalFunctionDoesNotFillOptionalParameterWithKey()
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{
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$this->assertSame(['a', 'b'], callback(f\partial(explode(...), ','))('a,b', 0));
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}
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public function testPartialOfInternalFunctionWithoutArgumentsGetsValueOnly()
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{
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$this->assertSame('a', callback(f\partial(trim(...)))(' a ', 'k'));
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}
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public function testCompiledMemoizedInternalFunctionGetsValueOnly()
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{
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$this->assertSame('a', callback(f\compile(f\memoize(trim(...))))(' a ', 'k'));
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}
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public function testDecoratorIsCompiled()
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{
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$callback = callback(f\partial(fn ($prefix, $v, $k) => "$prefix$k=$v", '>'));
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$this->assertSame('>k=v', $callback('v', 'k'));
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}
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}
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