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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the box project. |
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* |
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* (c) Kevin Herrera <[email protected]> |
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* Théo Fidry <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace KevinGH\RequirementChecker; |
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use Error; |
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use PHPUnit\Framework\TestCase; |
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/** |
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* @covers \KevinGH\RequirementChecker\Requirement |
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*/ |
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class RequirementTest extends TestCase |
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{ |
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public function test_it_can_be_created(): void |
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{ |
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$requirement = new Requirement( |
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'return true;', |
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'Test message', |
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'Help message' |
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); |
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$this->assertSame('return true;', $requirement->getIsFullfilledChecker()); |
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$this->assertTrue($requirement->isFulfilled()); |
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$this->assertSame('Test message', $requirement->getTestMessage()); |
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$this->assertSame('Help message', $requirement->getHelpText()); |
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} |
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public function test_it_evaluates_the_check_lazily(): void |
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{ |
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$requirement = new Requirement( |
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'throw new \Error();', |
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'Test message', |
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'Help message' |
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); |
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$this->assertSame('throw new \Error();', $requirement->getIsFullfilledChecker()); |
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try { |
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$requirement->isFulfilled(); |
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$this->fail('Expected exception to be thrown.'); |
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} catch (Error $error) { |
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$this->assertTrue(true); |
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} |
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} |
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public function test_it_casts_the_fulfilled_result_into_a_boolean(): void |
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{ |
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$requirement = new Requirement( |
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'return 1;', |
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'', |
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'' |
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); |
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$this->assertTrue($requirement->isFulfilled()); |
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$requirement = new Requirement( |
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'return 0;', |
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'', |
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'' |
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); |
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$this->assertFalse($requirement->isFulfilled()); |
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$requirement = new Requirement( |
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'return new \stdClass();', |
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'', |
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'' |
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); |
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$this->assertTrue($requirement->isFulfilled()); |
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} |
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public function test_it_evaluates_the_check_only_once(): void |
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{ |
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$GLOBALS['x'] = -1; |
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$requirement = new Requirement( |
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<<<'PHP' |
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$GLOBALS['x']++; |
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return $GLOBALS['x']; |
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PHP |
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, |
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'Test message', |
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'Help message' |
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); |
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$this->assertFalse($requirement->isFulfilled()); |
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$this->assertFalse($requirement->isFulfilled()); // Would have gave `true` if it was evaluated a second time |
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unset($GLOBALS['x']); |
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} |
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} |
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humbug /
box
