<?php

use WP_CLI\Inflector;
use WP_CLI\Tests\TestCase;

class InflectorTest extends TestCase {

    /**
     * @dataProvider dataProviderPluralize
     */
    public function testPluralize( $singular, $expected ) {
        $this->assertEquals( $expected, Inflector::pluralize( $singular ) );
    }

    public static function dataProviderPluralize() {
        return [
            [ 'string', 'strings' ], // Regular.
            [ 'person', 'people' ],  // Irregular.
            [ 'scissors', 'scissors' ], // Uncountable.
        ];
    }

    /**
     * @dataProvider dataProviderSingularize
     */
    public function testSingularize( $singular, $expected ) {
        $this->assertEquals( $expected, Inflector::singularize( $singular ) );
    }

    public static function dataProviderSingularize() {
        return [
            [ 'strings', 'string' ], // Regular.
            [ 'people', 'person' ],  // Irregular.
            [ 'scissors', 'scissors' ], // Uncountable.
        ];
    }
}