SanitizerValidateEmailTest.php

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<?php

class SanitizerValidateEmailTest extends MediaWikiTestCase {

        private function checkEmail( $addr, $expected = true, $msg = '' ) {
                if ( $msg == '' ) {
                        $msg = "Testing $addr";
                }

                $this->assertEquals(
                        $expected,
                        Sanitizer::validateEmail( $addr ),
                        $msg
                );
        }

        private function valid( $addr, $msg = '' ) {
                $this->checkEmail( $addr, true, $msg );
        }

        private function invalid( $addr, $msg = '' ) {
                $this->checkEmail( $addr, false, $msg );
        }

        function testEmailWellKnownUserAtHostDotTldAreValid() {
                $this->valid( '[email protected]' );
                $this->valid( '[email protected]' );
        }

        function testEmailWithUpperCaseCharactersAreValid() {
                $this->valid( '[email protected]' );
                $this->valid( '[email protected]' );
                $this->valid( '[email protected]' );
                $this->valid( '[email protected]' );
        }

        function testEmailWithAPlusInUserName() {
                $this->valid( '[email protected]' );
                $this->valid( '[email protected]' );
        }

        function testEmailDoesNotNeedATopLevelDomain() {
                $this->valid( "user@localhost" );
                $this->valid( "FooBar@localdomain" );
                $this->valid( "nobody@mycompany" );
        }

        function testEmailWithWhiteSpacesBeforeOrAfterAreInvalids() {
                $this->invalid( " [email protected]" );
                $this->invalid( "[email protected] " );
                $this->invalid( "\[email protected]" );
                $this->invalid( "[email protected]\t" );
        }

        function testEmailWithWhiteSpacesAreInvalids() {
                $this->invalid( "User user@host" );
                $this->invalid( "first last@mycompany" );
                $this->invalid( "firstlast@my company" );
        }

        // bug 26948 : comma were matched by an incorrect regexp range
        function testEmailWithCommasAreInvalids() {
                $this->invalid( "user,[email protected]" );
                $this->invalid( "userfoo@ex,ample.org" );
        }

        function testEmailWithHyphens() {
                $this->valid( "[email protected]" );
                $this->valid( "[email protected]" );
        }

        function testEmailDomainCanNotBeginWithDot() {
                $this->invalid( "user@." );
                $this->invalid( "[email protected]" );
                $this->invalid( "user@localdomain." );
                $this->valid( "user.@localdomain" );
                $this->valid( ".@localdomain" );
                $this->invalid( ".@a............" );
        }

        function testEmailWithFunnyCharacters() {
                $this->valid( "\$user!ex{this}@123.com" );
        }

        function testEmailTopLevelDomainCanBeNumerical() {
                $this->valid( "[email protected]" );
        }

        function testEmailWithoutAtSignIsInvalid() {
                $this->invalid( 'useràexample.com' );
        }

        function testEmailWithOneCharacterDomainIsValid() {
                $this->valid( 'user@a' );
        }
}