XmlTest.php

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<?php

class XmlTest extends MediaWikiTestCase {
        private static $oldLang;
        private static $oldNamespaces;

        public function setUp() {
                global $wgLang, $wgContLang;

                self::$oldLang = $wgLang;
                $wgLang = Language::factory( 'en' );

                // Hardcode namespaces during test runs,
                // so that html output based on existing namespaces
                // can be properly evaluated.
                self::$oldNamespaces = $wgContLang->getNamespaces();
                $wgContLang->setNamespaces( array(
                        -2 => 'Media',
                        -1 => 'Special',
                        0  => '',
                        1  => 'Talk',
                        2  => 'User',
                        3  => 'User_talk',
                        4  => 'MyWiki',
                        5  => 'MyWiki_Talk',
                        6  => 'File',
                        7  => 'File_talk',
                        8  => 'MediaWiki',
                        9  => 'MediaWiki_talk',
                        10  => 'Template',
                        11  => 'Template_talk',
                        100  => 'Custom',
                        101  => 'Custom_talk',
                ) );
        }

        public function tearDown() {
                global $wgLang, $wgContLang;
                $wgLang = self::$oldLang;
                
                $wgContLang->setNamespaces( self::$oldNamespaces );
        }

        public function testExpandAttributes() {
                $this->assertNull( Xml::expandAttributes(null),
                        'Converting a null list of attributes'
                );
                $this->assertEquals( '', Xml::expandAttributes( array() ),
                        'Converting an empty list of attributes'
                );
        }

        public function testExpandAttributesException() {
                $this->setExpectedException('MWException');
                Xml::expandAttributes('string');
        }

        function testElementOpen() {
                $this->assertEquals(
                        '<element>',
                        Xml::element( 'element', null, null ),
                        'Opening element with no attributes'
                );
        }

        function testElementEmpty() {
                $this->assertEquals(
                        '<element />',
                        Xml::element( 'element', null, '' ),
                        'Terminated empty element'
                );
        }

        function testElementInputCanHaveAValueOfZero() {
                $this->assertEquals(
                        '<input name="name" value="0" />',
                        Xml::input( 'name', false, 0 ),
                        'Input with a value of 0 (bug 23797)'
                );
        }
        function testElementEscaping() {
                $this->assertEquals(
                        '<element>hello &lt;there&gt; you &amp; you</element>',
                        Xml::element( 'element', null, 'hello <there> you & you' ),
                        'Element with no attributes and content that needs escaping'
                );
        }

        public function testEscapeTagsOnly() {
                $this->assertEquals( '&quot;&gt;&lt;', Xml::escapeTagsOnly( '"><' ),
                        'replace " > and < with their HTML entitites'
                );
        }

        function testElementAttributes() {
                $this->assertEquals(
                        '<element key="value" <>="&lt;&gt;">',
                        Xml::element( 'element', array( 'key' => 'value', '<>' => '<>' ), null ),
                        'Element attributes, keys are not escaped'
                );
        }

        function testOpenElement() {
                $this->assertEquals(
                        '<element k="v">',
                        Xml::openElement( 'element', array( 'k' => 'v' ) ),
                        'openElement() shortcut'
                );
        }

        function testCloseElement() {
                $this->assertEquals( '</element>', Xml::closeElement( 'element' ), 'closeElement() shortcut' );
        }

        public function testDateMenu( ) {
                $curYear   = intval(gmdate('Y'));
                $prevYear  = $curYear - 1;

                $curMonth  = intval(gmdate('n'));
                $prevMonth = $curMonth - 1;
                if( $prevMonth == 0 ) { $prevMonth = 12; }
                $nextMonth = $curMonth + 1;
                if( $nextMonth == 13 ) { $nextMonth = 1; }

                $this->assertEquals(
                        '<label for="year">From year (and earlier):</label> <input name="year" size="4" value="2011" id="year" maxlength="4" /> <label for="month">From month (and earlier):</label> <select id="month" name="month" class="mw-month-selector"><option value="-1">all</option>' . "\n" .
'<option value="1">January</option>' . "\n" .
'<option value="2" selected="">February</option>' . "\n" .
'<option value="3">March</option>' . "\n" .
'<option value="4">April</option>' . "\n" .
'<option value="5">May</option>' . "\n" .
'<option value="6">June</option>' . "\n" .
'<option value="7">July</option>' . "\n" .
'<option value="8">August</option>' . "\n" .
'<option value="9">September</option>' . "\n" .
'<option value="10">October</option>' . "\n" .
'<option value="11">November</option>' . "\n" .
'<option value="12">December</option></select>',
                        Xml::dateMenu( 2011, 02 ),
                        "Date menu for february 2011"
                );
                $this->assertEquals(
                        '<label for="year">From year (and earlier):</label> <input name="year" size="4" value="2011" id="year" maxlength="4" /> <label for="month">From month (and earlier):</label> <select id="month" name="month" class="mw-month-selector"><option value="-1">all</option>' . "\n" .
'<option value="1">January</option>' . "\n" .
'<option value="2">February</option>' . "\n" .
'<option value="3">March</option>' . "\n" .
'<option value="4">April</option>' . "\n" .
'<option value="5">May</option>' . "\n" .
'<option value="6">June</option>' . "\n" .
'<option value="7">July</option>' . "\n" .
'<option value="8">August</option>' . "\n" .
'<option value="9">September</option>' . "\n" .
'<option value="10">October</option>' . "\n" .
'<option value="11">November</option>' . "\n" .
'<option value="12">December</option></select>',
                        Xml::dateMenu( 2011, -1),
                        "Date menu with negative month for 'All'"
                );
                $this->assertEquals(
                        Xml::dateMenu( $curYear, $curMonth ),
                        Xml::dateMenu( ''      , $curMonth ),
                        "Date menu year is the current one when not specified"
                );

                // @todo FIXME: next month can be in the next year
                // test failing because it is now december
                $this->assertEquals(
                        Xml::dateMenu( $prevYear, $nextMonth ),
                        Xml::dateMenu( '', $nextMonth ),
                        "Date menu next month is 11 months ago"
                );

                # @todo FIXME: Please note there is no year there!
                $this->assertEquals(
                        '<label for="year">From year (and earlier):</label> <input name="year" size="4" value="" id="year" maxlength="4" /> <label for="month">From month (and earlier):</label> <select id="month" name="month" class="mw-month-selector"><option value="-1">all</option>' . "\n" .
'<option value="1">January</option>' . "\n" .
'<option value="2">February</option>' . "\n" .
'<option value="3">March</option>' . "\n" .
'<option value="4">April</option>' . "\n" .
'<option value="5">May</option>' . "\n" .
'<option value="6">June</option>' . "\n" .
'<option value="7">July</option>' . "\n" .
'<option value="8">August</option>' . "\n" .
'<option value="9">September</option>' . "\n" .
'<option value="10">October</option>' . "\n" .
'<option value="11">November</option>' . "\n" .
'<option value="12">December</option></select>',
                        Xml::dateMenu( '', '' ),
                        "Date menu with neither year or month"
                );
        }

        #
        # textarea
        #
        function testTextareaNoContent() {
                $this->assertEquals(
                        '<textarea name="name" id="name" cols="40" rows="5"></textarea>',
                        Xml::textarea( 'name', '' ),
                        'textarea() with not content'
                );
        }

        function testTextareaAttribs() {
                $this->assertEquals(
                        '<textarea name="name" id="name" cols="20" rows="10">&lt;txt&gt;</textarea>',
                        Xml::textarea( 'name', '<txt>', 20, 10 ),
                        'textarea() with custom attribs'
                );
        }

        #
        # input and label
        #
        function testLabelCreation() {
                $this->assertEquals(
                        '<label for="id">name</label>',
                        Xml::label( 'name', 'id' ),
                        'label() with no attribs'
                );
        }
        function testLabelAttributeCanOnlyBeClassOrTitle() {
                $this->assertEquals(
                        '<label for="id">name</label>',
                        Xml::label( 'name', 'id', array( 'generated' => true ) ),
                        'label() can not be given a generated attribute'
                );
                $this->assertEquals(
                        '<label for="id" class="nice">name</label>',
                        Xml::label( 'name', 'id', array( 'class' => 'nice' ) ),
                        'label() can get a class attribute'
                );
                $this->assertEquals(
                        '<label for="id" title="nice tooltip">name</label>',
                        Xml::label( 'name', 'id', array( 'title' => 'nice tooltip' ) ),
                        'label() can get a title attribute'
                );
                $this->assertEquals(
                        '<label for="id" class="nice" title="nice tooltip">name</label>',
                        Xml::label( 'name', 'id', array(
                                'generated' => true,
                                'class' => 'nice',
                                'title' => 'nice tooltip',
                                'anotherattr' => 'value',
                                )
                        ),
                        'label() skip all attributes but "class" and "title"'
                );
        }

        function testLanguageSelector() {
                $select = Xml::languageSelector( 'en', true, null,
                        array( 'id' => 'testlang' ), wfMessage( 'yourlanguage' ) );
                $this->assertEquals(
                        '<label for="testlang">Language:</label>',
                        $select[0]
                );
        }

        #
        # JS
        #
        function testEscapeJsStringSpecialChars() {
                $this->assertEquals(
                        '\\\\\r\n',
                        Xml::escapeJsString( "\\\r\n" ),
                        'escapeJsString() with special characters'
                );
        }

        function testEncodeJsVarBoolean() {
                $this->assertEquals(
                        'true',
                        Xml::encodeJsVar( true ),
                        'encodeJsVar() with boolean'
                );
        }

        function testEncodeJsVarNull() {
                $this->assertEquals(
                        'null',
                        Xml::encodeJsVar( null ),
                        'encodeJsVar() with null'
                );
        }

        function testEncodeJsVarArray() {
                $this->assertEquals(
                        '["a",1]',
                        Xml::encodeJsVar( array( 'a', 1 ) ),
                        'encodeJsVar() with array'
                );
                $this->assertEquals(
                        '{"a":"a","b":1}',
                        Xml::encodeJsVar( array( 'a' => 'a', 'b' => 1 ) ),
                        'encodeJsVar() with associative array'
                );
        }

        function testEncodeJsVarObject() {
                $this->assertEquals(
                        '{"a":"a","b":1}',
                        Xml::encodeJsVar( (object)array( 'a' => 'a', 'b' => 1 ) ),
                        'encodeJsVar() with object'
                );
        }

        function testEncodeJsVarInt() {
                $this->assertEquals(
                        '123456',
                        Xml::encodeJsVar( 123456 ),
                        'encodeJsVar() with int'
                );
        }

        function testEncodeJsVarFloat() {
                $this->assertEquals(
                        '1.23456',
                        Xml::encodeJsVar( 1.23456 ),
                        'encodeJsVar() with float'
                );
        }

        function testEncodeJsVarIntString() {
                $this->assertEquals(
                        '"123456"',
                        Xml::encodeJsVar( '123456' ),
                        'encodeJsVar() with int-like string'
                );
        }

        function testEncodeJsVarFloatString() {
                $this->assertEquals(
                        '"1.23456"',
                        Xml::encodeJsVar( '1.23456' ),
                        'encodeJsVar() with float-like string'
                );
        }
}