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<?php
/**
* Tests that embedded variables and expressions in double quoted strings are tokenized
* as one double quoted string token.
*
* @author Juliette Reinders Folmer <phpcs_nospam@adviesenzo.nl>
* @copyright 2022 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer\Tests\Core\Tokenizers\PHP;
use PHP_CodeSniffer\Tests\Core\Tokenizers\AbstractTokenizerTestCase;
final class DoubleQuotedStringTest extends AbstractTokenizerTestCase
{
/**
* Test that double quoted strings contain the complete string.
*
* @param string $testMarker The comment which prefaces the target token in the test file.
* @param string $expectedContent The expected content of the double quoted string.
*
* @dataProvider dataDoubleQuotedString
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
*
* @return void
*/
public function testDoubleQuotedString($testMarker, $expectedContent)
{
$tokens = $this->phpcsFile->getTokens();
$target = $this->getTargetToken($testMarker, T_DOUBLE_QUOTED_STRING);
$this->assertSame($expectedContent, $tokens[$target]['content']);
}//end testDoubleQuotedString()
/**
* Data provider.
*
* Type reference:
* 1. Directly embedded variables.
* 2. Braces outside the variable.
* 3. Braces after the dollar sign.
* 4. Variable variables and expressions.
*
* @link https://wiki.php.net/rfc/deprecate_dollar_brace_string_interpolation
*
* @see testDoubleQuotedString()
*
* @return array<string, array<string, string>>
*/
public static function dataDoubleQuotedString()
{
return [
'Type 1: simple variable' => [
'testMarker' => '/* testSimple1 */',
'expectedContent' => '"$foo"',
],
'Type 2: simple variable' => [
'testMarker' => '/* testSimple2 */',
'expectedContent' => '"{$foo}"',
],
'Type 3: simple variable' => [
'testMarker' => '/* testSimple3 */',
'expectedContent' => '"${foo}"',
],
'Type 1: array offset' => [
'testMarker' => '/* testDIM1 */',
'expectedContent' => '"$foo[bar]"',
],
'Type 2: array offset' => [
'testMarker' => '/* testDIM2 */',
'expectedContent' => '"{$foo[\'bar\']}"',
],
'Type 3: array offset' => [
'testMarker' => '/* testDIM3 */',
'expectedContent' => '"${foo[\'bar\']}"',
],
'Type 1: object property' => [
'testMarker' => '/* testProperty1 */',
'expectedContent' => '"$foo->bar"',
],
'Type 2: object property' => [
'testMarker' => '/* testProperty2 */',
'expectedContent' => '"{$foo->bar}"',
],
'Type 2: object method call' => [
'testMarker' => '/* testMethod1 */',
'expectedContent' => '"{$foo->bar()}"',
],
'Type 2: closure function call' => [
'testMarker' => '/* testClosure1 */',
'expectedContent' => '"{$foo()}"',
],
'Type 2: chaining various syntaxes' => [
'testMarker' => '/* testChain1 */',
'expectedContent' => '"{$foo[\'bar\']->baz()()}"',
],
'Type 4: variable variables' => [
'testMarker' => '/* testVariableVar1 */',
'expectedContent' => '"${$bar}"',
],
'Type 4: variable constants' => [
'testMarker' => '/* testVariableVar2 */',
'expectedContent' => '"${(foo)}"',
],
'Type 4: object property' => [
'testMarker' => '/* testVariableVar3 */',
'expectedContent' => '"${foo->bar}"',
],
'Type 4: variable variable nested in array offset' => [
'testMarker' => '/* testNested1 */',
'expectedContent' => '"${foo["${bar}"]}"',
],
'Type 4: variable array offset nested in array offset' => [
'testMarker' => '/* testNested2 */',
'expectedContent' => '"${foo["${bar[\'baz\']}"]}"',
],
'Type 4: variable object property' => [
'testMarker' => '/* testNested3 */',
'expectedContent' => '"${foo->{$baz}}"',
],
'Type 4: variable object property - complex with single quotes' => [
'testMarker' => '/* testNested4 */',
'expectedContent' => '"${foo->{${\'a\'}}}"',
],
'Type 4: variable object property - complex with single and double quotes' => [
'testMarker' => '/* testNested5 */',
'expectedContent' => '"${foo->{"${\'a\'}"}}"',
],
'Type 4: live coding/parse error' => [
'testMarker' => '/* testParseError */',
'expectedContent' => '"${foo["${bar
',
],
];
}//end dataDoubleQuotedString()
}//end class
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