Refactored VersionParser
Jordi Boggiano
parent
30f6c05069
commit
f761cfe525
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@ -12,32 +12,92 @@
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namespace Composer\Package\Version;
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use Composer\Package\LinkConstraint\MultiConstraint;
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use Composer\Package\LinkConstraint\VersionConstraint;
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/**
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* Version parser
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*
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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* @author Nils Adermann <naderman@naderman.de>
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class VersionParser
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{
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/**
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* Parses a version string and returns an array with the version, its type (alpha, beta, RC, stable) and a dev flag (for development branches tracking)
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* Normalizes a version string to be able to perform comparisons on it
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*
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* @param string $version
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* @return array
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*/
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public function parse($version)
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public function normalize($version)
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{
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if (!preg_match('#^v?(\d+)(\.\d+)?(\.\d+)?-?((?:beta|RC|alpha)\d*)?-?(dev)?$#i', $version, $matches)) {
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throw new \UnexpectedValueException('Invalid version string '.$version);
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$version = trim($version);
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// match classical versioning
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if (preg_match('{^v?(\d{1,3})(\.\d+)?(\.\d+)?-?((?:beta|RC|alpha)\d*)?(-?dev)?$}i', $version, $matches)) {
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return $matches[1]
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.(!empty($matches[2]) ? $matches[2] : '.0')
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.(!empty($matches[3]) ? $matches[3] : '.0')
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.(!empty($matches[4]) ? '-'.strtolower($matches[4]) : '')
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.(!empty($matches[5]) ? '-dev' : '');
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}
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return array(
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'version' => $matches[1]
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.(!empty($matches[2]) ? $matches[2] : '.0')
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.(!empty($matches[3]) ? $matches[3] : '.0'),
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'type' => strtolower(!empty($matches[4]) ? $matches[4] : 'stable'),
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'dev' => !empty($matches[5]),
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);
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// match date-based versioning
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if (preg_match('{^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1})?)((?:beta|RC|alpha)\d*)?(-?dev)?$}i', $version, $matches)) {
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return preg_replace('{\D}', '-', $matches[1])
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.(!empty($matches[2]) ? '-'.strtolower($matches[2]) : '')
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.(!empty($matches[3]) ? '-dev' : '');
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}
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throw new \UnexpectedValueException('Invalid version string '.$version);
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}
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public function parseConstraints($constraints)
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{
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$constraints = preg_split('{\s*,\s*}', trim($constraints));
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if (count($constraints) > 1) {
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$constraintObjects = array();
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foreach ($constraints as $key => $constraint) {
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$constraintObjects = array_merge($constraintObjects, $this->parseConstraint($constraint));
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}
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} else {
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$constraintObjects = $this->parseConstraint($constraints[0]);
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}
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if (1 === count($constraintObjects)) {
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return $constraintObjects[0];
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}
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return new MultiConstraint($constraintObjects);
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}
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private function parseConstraint($constraint)
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{
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if ('*' === $constraint || '*.*' === $constraint || '*.*.*' === $constraint) {
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return array();
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}
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// match wildcard constraints
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if (preg_match('{^(\d+)(?:\.(\d+))?\.\*$}', $constraint, $matches)) {
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$lowVersion = $matches[1] . '.' . (isset($matches[2]) ? $matches[2] : '0') . '.0';
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$highVersion = (isset($matches[2])
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? $matches[1] . '.' . ($matches[2]+1)
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: ($matches[1]+1) . '.0')
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. '.0';
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return array(
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new VersionConstraint('>=', $lowVersion),
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new VersionConstraint('<', $highVersion),
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);
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}
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// match operators constraints
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if (preg_match('{^(>=?|<=?|==?)?\s*(\d+.*)}', $constraint, $matches)) {
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$version = $this->normalize($matches[2]);
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return array(new VersionConstraint($matches[1] ?: '=', $version));
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}
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throw new \UnexpectedValueException('Could not parse version constraint '.$constraint);
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}
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}
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@ -0,0 +1,131 @@
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Test\Package\Version;
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use Composer\Package\Version\VersionParser;
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use Composer\Package\LinkConstraint\MultiConstraint;
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use Composer\Package\LinkConstraint\VersionConstraint;
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class VersionParserTest extends \PHPUnit_Framework_TestCase
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{
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/**
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* @dataProvider successfulNormalizedVersions
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*/
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public function testNormalizeSucceeds($input, $expected)
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{
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$parser = new VersionParser;
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$this->assertEquals($expected, $parser->normalize($input));
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}
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public function successfulNormalizedVersions()
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{
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return array(
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'none' => array('1.0.0', '1.0.0'),
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'parses state' => array('1.0.0RC1dev', '1.0.0-rc1-dev'),
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'CI parsing' => array('1.0.0-rC15-dev', '1.0.0-rc15-dev'),
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'forces x.y.z' => array('1.0-dev', '1.0.0-dev'),
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'parses long' => array('10.4.13-beta', '10.4.13-beta'),
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'strips leading v' => array('v1.0.0', '1.0.0'),
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'strips leading v' => array('v20100102', '20100102'),
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'parses dates w/ .' => array('2010.01.02', '2010-01-02'),
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'parses dates w/ -' => array('2010-01-02', '2010-01-02'),
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'parses numbers' => array('2010-01-02.5', '2010-01-02-5'),
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'parses datetime' => array('20100102-203040', '20100102-203040'),
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'parses dt+number' => array('20100102203040-10', '20100102203040-10'),
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);
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}
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/**
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* @dataProvider failingNormalizedVersions
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* @expectedException UnexpectedValueException
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*/
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public function testNormalizeFails($input)
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{
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$parser = new VersionParser;
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$parser->normalize($input);
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}
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public function failingNormalizedVersions()
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{
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return array(
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'empty ' => array(''),
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'invalid chars' => array('a'),
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'invalid type' => array('1.0.0-meh'),
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'too many bits' => array('1.0.0.0'),
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);
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}
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/**
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* @dataProvider simpleConstraints
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*/
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public function testParseConstraintsSimple($input, $expected)
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{
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$parser = new VersionParser;
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$this->assertEquals((string) $expected, (string) $parser->parseConstraints($input));
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}
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public function simpleConstraints()
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{
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return array(
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'greater than' => array('>1.0.0', new VersionConstraint('>', '1.0.0')),
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'lesser than' => array('<1.2.3', new VersionConstraint('<', '1.2.3')),
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'less/eq than' => array('<=1.2.3', new VersionConstraint('<=', '1.2.3')),
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'great/eq than' => array('>=1.2.3', new VersionConstraint('>=', '1.2.3')),
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'equals' => array('=1.2.3', new VersionConstraint('=', '1.2.3')),
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'double equals' => array('==1.2.3', new VersionConstraint('=', '1.2.3')),
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'no op means eq' => array('1.2.3', new VersionConstraint('=', '1.2.3')),
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'completes version' => array('=1.0', new VersionConstraint('=', '1.0.0')),
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'accepts spaces' => array('>= 1.2.3', new VersionConstraint('>=', '1.2.3')),
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);
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}
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/**
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* @dataProvider wildcardConstraints
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*/
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public function testParseConstraintsWildcard($input, $min, $max)
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{
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$parser = new VersionParser;
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$expected = new MultiConstraint(array($min, $max));
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$this->assertEquals((string) $expected, (string) $parser->parseConstraints($input));
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}
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public function wildcardConstraints()
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{
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return array(
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array('2.*', new VersionConstraint('>=', '2.0.0'), new VersionConstraint('<', '3.0.0')),
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array('20.*', new VersionConstraint('>=', '20.0.0'), new VersionConstraint('<', '21.0.0')),
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array('2.0.*', new VersionConstraint('>=', '2.0.0'), new VersionConstraint('<', '2.1.0')),
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array('2.2.*', new VersionConstraint('>=', '2.2.0'), new VersionConstraint('<', '2.3.0')),
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array('2.10.*', new VersionConstraint('>=', '2.10.0'), new VersionConstraint('<', '2.11.0')),
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);
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}
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/**
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* @dataProvider failingConstraints
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* @expectedException UnexpectedValueException
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*/
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public function testParseConstraintsFails($input)
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{
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$parser = new VersionParser;
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$parser->parseConstraints($input);
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}
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public function failingConstraints()
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{
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return array(
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'empty ' => array(''),
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'invalid version' => array('1.0.0-meh'),
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);
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}
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}
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