100 lines
2.6 KiB
PHP
100 lines
2.6 KiB
PHP
<?php
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/**
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* Copyright 2018 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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class FunctionPipelineTest extends \PHPUnit\Framework\TestCase
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{
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/** @var \PHPUnit\Framework\MockObject\MockObject */
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private $mock;
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protected function setUp(): void
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{
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$this->mock = $this->createMock(PipelineSteps::class);
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}
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public function testPipelineCalling()
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{
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$pipeline = f\pipe(
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[$this->mock, 'a'],
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[$this->mock, 'b']
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);
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$this->mock->method('a')->willReturn('b');
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$this->mock->method('b')->willReturn('c');
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$this->mock->expects($this->once())->method('a')->with('a');
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$this->mock->expects($this->once())->method('b')->with('b');
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$this->assertSame('c', $pipeline('a'));
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}
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public function testPipelineForward()
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{
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$pipeline = f\pipe(
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[$this->mock, 'a']
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);
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$this->mock->method('a')->willReturn('b');
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$this->mock->expects($this->once())->method('a')->with('a');
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$this->assertSame('b', $pipeline('a'));
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}
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public function testPipelineAppend()
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{
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$pipeline = f\pipe(
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[$this->mock, 'a'],
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[$this->mock, 'b']
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);
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$second = $pipeline->append([$this->mock, 'c']);
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$this->mock->method('a')->willReturn('b');
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$this->mock->method('b')->willReturn('c');
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$this->mock->method('c')->willReturn('d');
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$this->mock->expects($this->exactly(2))->method('a')->with('a');
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$this->mock->expects($this->exactly(2))->method('b')->with('b');
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$this->mock->expects($this->once())->method('c')->with('c');
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$this->assertSame('c', $pipeline('a'));
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$this->assertSame('d', $second('a'));
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}
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public function testPipelinePrepend()
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{
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$pipeline = f\pipe(
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[$this->mock, 'b'],
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[$this->mock, 'c']
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);
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$second = $pipeline->prepend([$this->mock, 'a']);
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$this->mock->method('a')->willReturn('b');
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$this->mock->method('b')->willReturn('c');
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$this->mock->method('c')->willReturn('d');
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$this->mock->expects($this->exactly(1))->method('a')->with('a');
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$this->mock->expects($this->exactly(2))->method('b')->with('b');
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$this->mock->expects($this->exactly(2))->method('c')->with('c');
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$this->assertSame('d', $pipeline('b'));
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$this->assertSame('d', $second('a'));
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}
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}
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class PipelineSteps
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{
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public function a() {}
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public function b() {}
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public function c() {}
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}
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