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<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Tests\Lexer;
use PhpMyAdmin\SqlParser\Tests\TestCase;
use PhpMyAdmin\SqlParser\Token;
use PhpMyAdmin\SqlParser\TokensList;
use function count;
class TokensListTest extends TestCase
{
/**
* ArrayObj of tokens that are used for testing.
*
* @var Token[]
*/
public $tokens;
/**
* Test setup.
*/
public function setUp(): void
{
parent::setUp();
$this->tokens = [
new Token('SELECT', Token::TYPE_KEYWORD),
new Token(' ', Token::TYPE_WHITESPACE),
new Token('*', Token::TYPE_OPERATOR),
new Token(' ', Token::TYPE_WHITESPACE),
new Token('FROM', Token::TYPE_KEYWORD, Token::FLAG_KEYWORD_RESERVED),
new Token(' ', Token::TYPE_WHITESPACE),
new Token('`test`', Token::TYPE_SYMBOL),
new Token(' ', Token::TYPE_WHITESPACE),
new Token('WHERE', Token::TYPE_KEYWORD, Token::FLAG_KEYWORD_RESERVED),
new Token(' ', Token::TYPE_WHITESPACE),
new Token('name', Token::TYPE_NONE),
new Token('=', Token::TYPE_OPERATOR),
new Token('fa', Token::TYPE_NONE),
];
}
public function testBuild(): void
{
$list = new TokensList($this->tokens);
$this->assertEquals('SELECT * FROM `test` WHERE name=fa', TokensList::build($list));
}
public function testAdd(): void
{
$list = new TokensList();
foreach ($this->tokens as $token) {
$list->add($token);
}
$this->assertEquals(new TokensList($this->tokens), $list);
}
public function testGetNext(): void
{
$list = new TokensList($this->tokens);
$this->assertEquals($this->tokens[0], $list->getNext());
$this->assertEquals($this->tokens[2], $list->getNext());
$this->assertEquals($this->tokens[4], $list->getNext());
$this->assertEquals($this->tokens[6], $list->getNext());
$this->assertEquals($this->tokens[8], $list->getNext());
$this->assertEquals($this->tokens[10], $list->getNext());
$this->assertEquals($this->tokens[11], $list->getNext());
$this->assertEquals($this->tokens[12], $list->getNext());
$this->assertNull($list->getNext());
}
public function testGetPrevious(): void
{
$list = new TokensList($this->tokens);
$list->idx = 7;
$this->assertEquals($this->tokens[6], $list->getPrevious());
$this->assertEquals($this->tokens[4], $list->getPrevious());
$this->assertEquals($this->tokens[2], $list->getPrevious());
$this->assertEquals($this->tokens[0], $list->getPrevious());
$this->assertNull($list->getPrevious());
}
public function testGetNextOfType(): void
{
$list = new TokensList($this->tokens);
$this->assertEquals($this->tokens[0], $list->getNextOfType(Token::TYPE_KEYWORD));
$this->assertEquals($this->tokens[4], $list->getNextOfType([Token::TYPE_KEYWORD]));
$this->assertEquals($this->tokens[6], $list->getNextOfType([Token::TYPE_KEYWORD, Token::TYPE_SYMBOL]));
$this->assertEquals($this->tokens[8], $list->getNextOfType([Token::TYPE_KEYWORD, Token::TYPE_SYMBOL]));
$this->assertNull($list->getNextOfType(Token::TYPE_KEYWORD));
}
public function testGetPreviousOfType(): void
{
$list = new TokensList($this->tokens);
$list->idx = 9;
$this->assertEquals($this->tokens[8], $list->getPreviousOfType([Token::TYPE_KEYWORD, Token::TYPE_SYMBOL]));
$this->assertEquals($this->tokens[6], $list->getPreviousOfType([Token::TYPE_KEYWORD, Token::TYPE_SYMBOL]));
$this->assertEquals($this->tokens[4], $list->getPreviousOfType([Token::TYPE_KEYWORD]));
$this->assertEquals($this->tokens[0], $list->getPreviousOfType(Token::TYPE_KEYWORD));
$this->assertNull($list->getPreviousOfType(Token::TYPE_KEYWORD));
}
public function testGetNextOfTypeAndFlag(): void
{
$list = new TokensList($this->tokens);
$this->assertEquals($this->tokens[4], $list->getNextOfTypeAndFlag(
Token::TYPE_KEYWORD,
Token::FLAG_KEYWORD_RESERVED
));
$this->assertEquals($this->tokens[8], $list->getNextOfTypeAndFlag(
Token::TYPE_KEYWORD,
Token::FLAG_KEYWORD_RESERVED
));
$this->assertNull($list->getNextOfTypeAndFlag(Token::TYPE_KEYWORD, Token::FLAG_KEYWORD_RESERVED));
}
public function testGetNextOfTypeAndValue(): void
{
$list = new TokensList($this->tokens);
$this->assertEquals($this->tokens[0], $list->getNextOfTypeAndValue(Token::TYPE_KEYWORD, 'SELECT'));
$this->assertNull($list->getNextOfTypeAndValue(Token::TYPE_KEYWORD, 'SELECT'));
}
public function testArrayAccess(): void
{
$list = new TokensList();
// offsetSet(NULL, $value)
foreach ($this->tokens as $token) {
$list[] = $token;
}
// offsetSet($offset, $value)
$list[2] = $this->tokens[2];
// offsetSet($offset, $value) with overflowed offset
$list[$list->count] = $this->tokens[1];
$this->assertSame($list[$list->count - 1], $this->tokens[1]);
$this->assertSame($list->count, count($this->tokens) + 1);
// offsetGet($offset) with negative offset
$this->assertNull($list[-1]);
// offsetGet($offset) with overflow offset
$this->assertNull($list[$list->count]);
// offsetGet($offset)
for ($i = 0, $count = count($this->tokens); $i < $count; ++$i) {
$this->assertSame($this->tokens[$i], $list[$i]);
}
// offsetExists($offset)
$this->assertArrayHasKey(2, $list);
$this->assertArrayNotHasKey(14, $list);
$this->assertArrayNotHasKey(-8, $list);
// offsetUnset($offset)
$currentCountTokens = $list->count;
unset($list[2]);
$newCountTokens = $list->count;
$this->assertSame($this->tokens[3], $list[2]);
$this->assertSame($currentCountTokens - 1, $newCountTokens);
// offsetUnset($offset) with invalid offset (negative or overflowed)
$currentListTokens = $list->tokens;
unset($list[-1]);
$this->assertSame($currentListTokens, $list->tokens);
$this->assertSame($newCountTokens, $list->count); // No unset actually performed.
unset($list[999]);
$this->assertSame($currentListTokens, $list->tokens);
$this->assertSame($newCountTokens, $list->count); // No unset actually performed.
}
}
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