HTMLAutoCompleteSelectFieldTest.php

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<?php
class HtmlAutoCompleteSelectFieldTest extends MediaWikiTestCase {

    public $options = [
        'Bulgaria'     => 'BGR',
        'Burkina Faso' => 'BFA',
        'Burundi'      => 'BDI',
    ];

    function testMissingAutocompletions() {
        new HTMLAutoCompleteSelectField( [ 'fieldname' => 'Test' ] );
    }

    function testGetAttributes() {
        $field = new HTMLAutoCompleteSelectField( [
            'fieldname'    => 'Test',
            'autocomplete' => $this->options,
        ] );

        $attributes = $field->getAttributes( [] );
        $this->assertEquals( array_keys( $this->options ),
            FormatJson::decode( $attributes['data-autocomplete'] ),
            "The 'data-autocomplete' attribute encodes autocomplete option keys as a JSON array."
        );
    }

    function testOptionalSelectElement() {
        $params = [
            'fieldname'    => 'Test',
            'autocomplete' => $this->options,
            'options'      => $this->options,
        ];

        $field = new HTMLAutoCompleteSelectField( $params );
        $html = $field->getInputHTML( false );
        $this->assertRegExp( '/select/', $html,
            "When the 'options' parameter is set, the HTML includes a <select>" );

        unset( $params['options'] );
        $field = new HTMLAutoCompleteSelectField( $params );
        $html = $field->getInputHTML( false );
        $this->assertNotRegExp( '/select/', $html,
            "When the 'options' parameter is not set, the HTML does not include a <select>" );
    }
}