<?php

use Dotenv\Parser;
use PHPUnit\Framework\TestCase;

class ParserTest extends TestCase
{
    public function testBasicParse()
    {
        $this->assertSame(['FOO', 'BAR'], Parser::parse('FOO=BAR'));
    }

    public function testQuotesParse()
    {
        $this->assertSame(['FOO', "BAR  \n"], Parser::parse("FOO=\"BAR  \n\""));
    }

    public function testNewlineParse()
    {
        $this->assertSame(['FOO', "\n"], Parser::parse('FOO="\n"'));
    }

    public function testTabParse()
    {
        $this->assertSame(['FOO', "\t"], Parser::parse('FOO=\'\t\''));
    }

    public function testNonEscapeParse1()
    {
        $this->assertSame(['FOO', '\n\v'], Parser::parse('FOO=\n\v'));
    }

    public function testNonEscapeParse2()
    {
        $this->assertSame(['FOO', '\q'], Parser::parse('FOO=\q'));
    }

    /**
     * @expectedException \Dotenv\Exception\InvalidFileException
     * @expectedExceptionMessage Failed to parse dotenv file due to an unexpected escape sequence. Failed at ["\q"].
     */
    public function testBadEscapeParse()
    {
        Parser::parse('FOO="\q"');
    }

    public function testWhitespaceParse()
    {
        $this->assertSame(['FOO', "\n"], Parser::parse("FOO=\"\n\""));
    }

    public function testExportParse()
    {
        $this->assertSame(['FOO', 'bar baz'], Parser::parse('export FOO="bar baz"'));
    }

    public function testClosingSlashParse()
    {
        $content = 'SPVAR5="test some escaped characters like a quote \\" or maybe a backslash \\\\" # not escaped';
        $expected = ['SPVAR5', 'test some escaped characters like a quote " or maybe a backslash \\'];

        $this->assertSame($expected, Parser::parse($content));
    }

    /**
     * @expectedException \Dotenv\Exception\InvalidFileException
     * @expectedExceptionMessage Failed to parse dotenv file due to unexpected whitespace. Failed at [bar baz].
     */
    public function testParseInvalidSpaces()
    {
        Parser::parse('FOO=bar baz');
    }

    /**
     * @expectedException \Dotenv\Exception\InvalidFileException
     * @expectedExceptionMessage Failed to parse dotenv file due to an unexpected equals. Failed at [=].
     */
    public function testParseStrayEquals()
    {
        Parser::parse('=');
    }

    /**
     * @expectedException \Dotenv\Exception\InvalidFileException
     * @expectedExceptionMessage Failed to parse dotenv file due to an invalid name. Failed at [FOO_ASD!].
     */
    public function testParseInvalidName()
    {
        Parser::parse('FOO_ASD!=BAZ');
    }

    /**
     * @expectedException \Dotenv\Exception\InvalidFileException
     * @expectedExceptionMessage Failed to parse dotenv file due to an unexpected escape sequence. Failed at ["iiiiviiiixiiiiviiii\a"].
     */
    public function testParserEscapingDouble()
    {
        Parser::parse('FOO_BAD="iiiiviiiixiiiiviiii\\a"');
    }

    /**
     * @expectedException \Dotenv\Exception\InvalidFileException
     * @expectedExceptionMessage Failed to parse dotenv file due to an unexpected escape sequence. Failed at ['iiiiviiiixiiiiviiii\a'].
     */
    public function testParserEscapingSingle()
    {
        Parser::parse('FOO_BAD=\'iiiiviiiixiiiiviiii\\a\'');
    }
}