trait LinkInputValuesTraits

trait LinkInputValuesTraits {
    
    /**
     * Link field values use for test.
     *
     * @return array
     *   Values to use at link field setter.
     */
    protected function getLinkInputValues() : array {
        $test_values = [
            // External links.
0 => [
                'uri' => 'http://www.example.com/content/articles/archive?author=John&year=2012#com',
            ],
            1 => [
                'uri' => 'http://www.example.org/content/articles/archive?author=John&year=2012#org',
                'title' => 'A very long & strange example title that could break the nice layout of the site',
            ],
            2 => [
                'uri' => 'internal:#net',
                'title' => 'Fragment only',
            ],
            // Complex internal links.
            // Result link: '?a[0]=1&a[1]=2'.
3 => [
                'uri' => 'internal:?a[]=1&a[]=2',
            ],
            4 => [
                'uri' => 'internal:?b[0]=1&b[1]=2',
            ],
            // Injecting new test value in the middle of array.
16 => [
                'uri' => 'internal:?b[0]=9&b[1]=8',
            ],
            // UrlHelper::buildQuery will change order of params.
            // Result link: '?c[0]=1&c[1]=2&d=3'.
5 => [
                'uri' => 'internal:?c[]=1&d=3&c[]=2',
            ],
            6 => [
                'uri' => 'internal:?e[f][g]=h',
            ],
            7 => [
                'uri' => 'internal:?i[j[k]]=l',
            ],
            // Query string replace value.
            // Result link: '?x=1&x=2'.
8 => [
                'uri' => 'internal:?x=1&x=2',
            ],
            // Result link: '?z[0]=2'.
9 => [
                'uri' => 'internal:?z[0]=1&z[0]=2',
            ],
            // Special empty links.
10 => [
                'uri' => 'route:<none>',
            ],
            11 => [
                'uri' => 'route:<none>',
                'title' => 'Title, no link',
            ],
            12 => [
                'uri' => 'route:<nolink>',
            ],
            13 => [
                'uri' => 'route:<nolink>',
                'title' => 'Title, no link',
            ],
            14 => [
                'uri' => 'route:<button>',
            ],
            15 => [
                'uri' => 'route:<button>',
                'title' => 'Title, button',
            ],
        ];
        // Sort by keys, to be able to inject new test anywhere in the array.
        ksort($test_values, SORT_NUMERIC);
        return $test_values;
    }

}