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<?php |
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declare( strict_types = 1 ); |
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namespace WMDE\Fundraising\Frontend\PaymentContext\Tests\Unit\Domain; |
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use PHPUnit\Framework\TestCase; |
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use WMDE\Fundraising\Frontend\PaymentContext\Domain\ChecksumGenerator; |
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/** |
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* @covers \WMDE\Fundraising\Frontend\PaymentContext\Domain\ChecksumGenerator |
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* |
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* @licence GNU GPL v2+ |
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*/ |
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class ChecksumGeneratorTest extends TestCase { |
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public function testCannotConstructWithLessThanTwoCharacters(): void { |
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$this->expectException( \InvalidArgumentException::class ); |
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new ChecksumGenerator( [ 'a' ] ); |
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} |
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public function testCanGenerateChecksumWithTwoCharacters(): void { |
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$generator = new ChecksumGenerator( [ 'a', 'b' ] ); |
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$this->assertSame( 'b', $generator->createChecksum( 'aaaa' ) ); |
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$this->assertSame( 'b', $generator->createChecksum( 'aaaaa' ) ); |
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} |
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public function testCanGenerateChecksumWithManyCharacters(): void { |
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$generator = new ChecksumGenerator( str_split( 'ACDEFKLMNPRSTWXYZ349' ) ); |
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$this->assertSame( 'X', $generator->createChecksum( 'AAAU' ) ); |
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$this->assertSame( 'K', $generator->createChecksum( 'AAAA' ) ); |
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$this->assertSame( 'C', $generator->createChecksum( 'QAQA' ) ); |
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$this->assertSame( 'D', $generator->createChecksum( 'ABCD' ) ); |
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} |
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public function testIgnoresDashesUnderscoresAndSpaces(): void { |
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$generator = new ChecksumGenerator( str_split( 'ACDEFKLMNPRSTWXYZ349' ) ); |
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$checksum = $generator->createChecksum( 'CAT' ); |
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$this->assertSame( $checksum, $generator->createChecksum( 'C-AT-' ) ); |
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$this->assertSame( $checksum, $generator->createChecksum( '_CAT_' ) ); |
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$this->assertSame( $checksum, $generator->createChecksum( 'C A T' ) ); |
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} |
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public function testLowerAndMixedCaseProduceConsistentChecksum(): void { |
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$generator = new ChecksumGenerator( str_split( 'ACDEFKLMNPRSTWXYZ349' ) ); |
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$this->assertSame( 'X', $generator->createChecksum( 'AAAU' ) ); |
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$this->assertSame( 'X', $generator->createChecksum( 'aAAU' ) ); |
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$this->assertSame( 'K', $generator->createChecksum( 'aAaa' ) ); |
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$this->assertSame( 'K', $generator->createChecksum( 'aaaa' ) ); |
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$this->assertSame( 'C', $generator->createChecksum( 'QaQa' ) ); |
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$this->assertSame( 'C', $generator->createChecksum( 'qaqa' ) ); |
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$this->assertSame( 'D', $generator->createChecksum( 'xxxx' ) ); |
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$this->assertSame( 'D', $generator->createChecksum( 'XXXX' ) ); |
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} |
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public function testChecksumIsOneOfTheExpectedCharacters(): void { |
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$characters = [ 'A', 'B', 'C' ]; |
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$generator = new ChecksumGenerator( $characters ); |
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//$distribution = ['A' => 0, 'B' => 0, 'C' => 0]; |
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foreach ( $this->getRandomStrings() as $string ) { |
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//$distribution[$generator->createChecksum( $string )]++; |
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$this->assertContains( |
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$generator->createChecksum( $string ), |
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$characters |
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); |
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} |
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//var_dump($distribution);exit; |
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} |
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public function getRandomStrings(): iterable { |
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$characters = str_split( 'ACDEFKLMNPRSTWXYZ349-' ); |
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$characterCount = count( $characters ); |
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for ( $i = 0; $i < 1000; $i++ ) { |
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yield implode( |
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'', |
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array_map( |
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function() use ( $characters, $characterCount ) { |
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return $characters[mt_rand( 0, $characterCount - 1 )]; |
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}, |
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array_fill( 0, 10, null ) |
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) |
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); |
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} |
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} |
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} |
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wmde /
FundraisingFrontend
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