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<?php |
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namespace Vlaswinkel\UnitConverter\Parser\Tests; |
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use PHPUnit\Framework\TestCase; |
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use Vlaswinkel\UnitConverter\Parser\AST\BinaryOperatorASTNode; |
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use Vlaswinkel\UnitConverter\Parser\AST\DigitASTNode; |
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use Vlaswinkel\UnitConverter\Parser\AST\UnitASTNode; |
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use Vlaswinkel\UnitConverter\Parser\InputStream; |
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use Vlaswinkel\UnitConverter\Parser\Lexer; |
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use Vlaswinkel\UnitConverter\Parser\Parser; |
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/** |
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* Class ParserTest |
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* |
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* @author Koen Vlaswinkel <[email protected]> |
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* @package Vlaswinkel\UnitConverter\Tests |
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*/ |
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class ParserTest extends TestCase { |
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public function testSingleUnit() { |
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$parser = $this->createParser('kg'); |
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$node = $parser->parse(); |
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$this->assertEquals(new UnitASTNode('kg'), $node); |
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} |
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View Code Duplication |
public function testMultipliedUnits() { |
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$parser = $this->createParser('N * m'); |
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$node = $parser->parse(); |
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$this->assertEquals( |
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new BinaryOperatorASTNode( |
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'*', |
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new UnitASTNode('N'), |
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new UnitASTNode('m') |
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), |
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$node |
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); |
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} |
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View Code Duplication |
public function testDividedUnits() { |
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$parser = $this->createParser('m/s'); |
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$node = $parser->parse(); |
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$this->assertEquals( |
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new BinaryOperatorASTNode( |
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'/', |
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new UnitASTNode('m'), |
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new UnitASTNode('s') |
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), |
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$node |
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); |
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} |
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View Code Duplication |
public function testExponentialUnit() { |
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$parser = $this->createParser('m^2'); |
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$node = $parser->parse(); |
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$this->assertEquals( |
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new BinaryOperatorASTNode( |
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'^', |
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new UnitASTNode('m'), |
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new DigitASTNode('2') |
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), |
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$node |
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); |
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} |
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public function testExponentialUnits() { |
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$parser = $this->createParser('m^2/s'); |
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$node = $parser->parse(); |
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$this->assertEquals( |
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new BinaryOperatorASTNode( |
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'/', |
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new BinaryOperatorASTNode( |
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'^', |
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new UnitASTNode('m'), |
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new DigitASTNode('2') |
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), |
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new UnitASTNode('s') |
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), |
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$node |
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); |
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} |
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public function testOhm() { |
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$parser = $this->createParser('kg*m^2*s^-3*A^-2'); |
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$node = $parser->parse(); |
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$this->assertEquals( |
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new BinaryOperatorASTNode( |
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'*', |
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new BinaryOperatorASTNode( |
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'*', |
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new BinaryOperatorASTNode( |
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'*', |
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new UnitASTNode('kg'), |
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new BinaryOperatorASTNode( |
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'^', |
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new UnitASTNode('m'), |
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new DigitASTNode('2') |
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) |
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), |
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new BinaryOperatorASTNode( |
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'^', |
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new UnitASTNode('s'), |
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new DigitASTNode('-3') |
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) |
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), |
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new BinaryOperatorASTNode( |
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'^', |
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new UnitASTNode('A'), |
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new DigitASTNode('-2') |
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) |
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), |
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$node |
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); |
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} |
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private function createParser(string $expression): Parser { |
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return new Parser(new Lexer(new InputStream($expression))); |
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} |
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} |
koesie10 /
UnitConverter
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.