ComposerVersionNormalizerTest.php

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<?php

class ComposerVersionNormalizerTest extends PHPUnit_Framework_TestCase {

    public function testGivenNonString_normalizeThrowsInvalidArgumentException( $nonString ) {
        $normalizer = new ComposerVersionNormalizer();

        $this->setExpectedException( 'InvalidArgumentException' );
        $normalizer->normalizeSuffix( $nonString );
    }

    public function nonStringProvider() {
        return array(
            array( null ),
            array( 42 ),
            array( array() ),
            array( new stdClass() ),
            array( true ),
        );
    }

    public function testGivenSimpleVersion_normalizeSuffixReturnsAsIs( $simpleVersion ) {
        $this->assertRemainsUnchanged( $simpleVersion );
    }

    protected function assertRemainsUnchanged( $version ) {
        $normalizer = new ComposerVersionNormalizer();

        $this->assertEquals(
            $version,
            $normalizer->normalizeSuffix( $version )
        );
    }

    public function simpleVersionProvider() {
        return array(
            array( '1.22.0' ),
            array( '1.19.2' ),
            array( '1.19.2.0' ),
            array( '1.9' ),
            array( '123.321.456.654' ),
        );
    }

    public function testGivenComplexVersionWithoutDash_normalizeSuffixAddsDash(
        $withoutDash, $withDash
    ) {
        $normalizer = new ComposerVersionNormalizer();

        $this->assertEquals(
            $withDash,
            $normalizer->normalizeSuffix( $withoutDash )
        );
    }

    public function complexVersionProvider() {
        return array(
            array( '1.22.0alpha', '1.22.0-alpha' ),
            array( '1.22.0RC', '1.22.0-RC' ),
            array( '1.19beta', '1.19-beta' ),
            array( '1.9RC4', '1.9-RC4' ),
            array( '1.9.1.2RC4', '1.9.1.2-RC4' ),
            array( '1.9.1.2RC', '1.9.1.2-RC' ),
            array( '123.321.456.654RC9001', '123.321.456.654-RC9001' ),
        );
    }

    public function testGivenComplexVersionWithDash_normalizeSuffixReturnsAsIs(
        $withoutDash, $withDash
    ) {
        $this->assertRemainsUnchanged( $withDash );
    }

    public function testGivenFourLevels_levelCountNormalizationDoesNothing( $version ) {
        $normalizer = new ComposerVersionNormalizer();

        $this->assertEquals(
            $version,
            $normalizer->normalizeLevelCount( $version )
        );
    }

    public function fourLevelVersionsProvider() {
        return array(
            array( '1.22.0.0' ),
            array( '1.19.2.4' ),
            array( '1.19.2.0' ),
            array( '1.9.0.1' ),
            array( '123.321.456.654' ),
            array( '123.321.456.654RC4' ),
            array( '123.321.456.654-RC4' ),
        );
    }

    public function testGivenFewerLevels_levelCountNormalizationEnsuresFourLevels(
        $expected, $version
    ) {
        $normalizer = new ComposerVersionNormalizer();

        $this->assertEquals(
            $expected,
            $normalizer->normalizeLevelCount( $version )
        );
    }

    public function levelNormalizationProvider() {
        return array(
            array( '1.22.0.0', '1.22' ),
            array( '1.22.0.0', '1.22.0' ),
            array( '1.19.2.0', '1.19.2' ),
            array( '12345.0.0.0', '12345' ),
            array( '12345.0.0.0-RC4', '12345-RC4' ),
            array( '12345.0.0.0-alpha', '12345-alpha' ),
        );
    }

    public function testGivenInvalidVersion_normalizeSuffixReturnsAsIs( $invalidVersion ) {
        $this->assertRemainsUnchanged( $invalidVersion );
    }

    public function invalidVersionProvider() {
        return array(
            array( '1.221-a' ),
            array( '1.221-' ),
            array( '1.22rc4a' ),
            array( 'a1.22rc' ),
            array( '.1.22rc' ),
            array( 'a' ),
            array( 'alpha42' ),
        );
    }
}