<?php declare(strict_types=1);
require_once "core/polyfills.php";

class PolyfillsTest extends \PHPUnit\Framework\TestCase
{
    public function test_html_escape()
    {
        $this->assertEquals(
            html_escape("Foo & <waffles>"),
            "Foo &amp; &lt;waffles&gt;"
        );

        $this->assertEquals(
            html_unescape("Foo &amp; &lt;waffles&gt;"),
            "Foo & <waffles>"
        );

        $x = "Foo &amp; &lt;waffles&gt;";
        $this->assertEquals(html_escape(html_unescape($x)), $x);
    }

    public function test_int_escape()
    {
        $this->assertEquals(int_escape(""), 0);
        $this->assertEquals(int_escape("1"), 1);
        $this->assertEquals(int_escape("-1"), -1);
        $this->assertEquals(int_escape("-1.5"), -1);
        $this->assertEquals(int_escape(null), 0);
    }

    public function test_url_escape()
    {
        $this->assertEquals(url_escape("^\o/^"), "%5E%5Co%2F%5E");
        $this->assertEquals(url_escape(null), "");
    }

    public function test_bool_escape()
    {
        $this->assertTrue(bool_escape(true));
        $this->assertFalse(bool_escape(false));

        $this->assertTrue(bool_escape("true"));
        $this->assertFalse(bool_escape("false"));

        $this->assertTrue(bool_escape("t"));
        $this->assertFalse(bool_escape("f"));

        $this->assertTrue(bool_escape("T"));
        $this->assertFalse(bool_escape("F"));

        $this->assertTrue(bool_escape("yes"));
        $this->assertFalse(bool_escape("no"));

        $this->assertTrue(bool_escape("Yes"));
        $this->assertFalse(bool_escape("No"));

        $this->assertTrue(bool_escape("on"));
        $this->assertFalse(bool_escape("off"));

        $this->assertTrue(bool_escape(1));
        $this->assertFalse(bool_escape(0));

        $this->assertTrue(bool_escape("1"));
        $this->assertFalse(bool_escape("0"));
    }

    public function test_clamp()
    {
        $this->assertEquals(clamp(0, 5, 10), 5);
        $this->assertEquals(clamp(5, 5, 10), 5);
        $this->assertEquals(clamp(7, 5, 10), 7);
        $this->assertEquals(clamp(10, 5, 10), 10);
        $this->assertEquals(clamp(15, 5, 10), 10);
    }

    public function test_xml_tag()
    {
        $this->assertEquals(
            "<test foo=\"bar\" >\n<cake />\n</test>\n",
            xml_tag("test", ["foo"=>"bar"], ["cake"])
        );
    }

    public function test_truncate()
    {
        $this->assertEquals(truncate("test words", 10), "test words");
        $this->assertEquals(truncate("test...", 9), "test...");
        $this->assertEquals(truncate("test...", 6), "test...");
        $this->assertEquals(truncate("te...", 2), "te...");
    }

    public function test_shorthand_int()
    {
        $this->assertEquals(to_shorthand_int(1231231231), "1.1GB");
        $this->assertEquals(to_shorthand_int(2), "2");

        $this->assertEquals(parse_shorthand_int("foo"), -1);
        $this->assertEquals(parse_shorthand_int("32M"), 33554432);
        $this->assertEquals(parse_shorthand_int("43.4KB"), 44441);
        $this->assertEquals(parse_shorthand_int("1231231231"), 1231231231);
    }

    public function test_autodate()
    {
        $this->assertEquals(
            "<time datetime='2012-06-23T16:14:22+00:00'>June 23, 2012; 16:14</time>",
            autodate("2012-06-23 16:14:22")
        );
    }

    public function test_validate_input()
    {
        $_POST = [
            "foo" => " bar ",
            "to_null" => "  ",
            "num" => "42",
        ];
        $this->assertEquals(
            ["foo"=>"bar"],
            validate_input(["foo"=>"string,trim,lower"])
        );
        //$this->assertEquals(
        //    ["to_null"=>null],
        //    validate_input(["to_null"=>"string,trim,nullify"])
        //);
        $this->assertEquals(
            ["num"=>42],
            validate_input(["num"=>"int"])
        );
    }

    public function test_sanitize_path()
    {
        $this->assertEquals(
            "one",
            sanitize_path("one")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one\\two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one/two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one\\\\two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one//two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one\\\\\\two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one///two")
        );

        $this->assertEquals(
            DIRECTORY_SEPARATOR."one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR,
            sanitize_path("\\/one/\\/\\/two\\/")
        );
    }

    public function test_join_path()
    {
        $this->assertEquals(
            "one",
            join_path("one")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            join_path("one", "two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR."three",
            join_path("one", "two", "three")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR."three",
            join_path("one/two", "three")
        );

        $this->assertEquals(
            DIRECTORY_SEPARATOR."one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR."three".DIRECTORY_SEPARATOR,
            join_path("\\/////\\\\one/\///"."\\//two\/\\//\\//", "//\/\\\/three/\\/\/")
        );
    }

    public function test_stringer()
    {
        $this->assertEquals(
            '["foo"=>"bar", "baz"=>[1, 2, 3], "qux"=>["a"=>"b"]]',
            stringer(["foo"=>"bar", "baz"=>[1,2,3], "qux"=>["a"=>"b"]])
        );
    }
}