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|
<?php
/**
* Tests the support of PHP 8 attributes
*
* @author Alessandro Chitolina <alekitto@gmail.com>
* @copyright 2019 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 AttributesTest extends AbstractTokenizerTestCase
{
/**
* Test that attributes are parsed correctly.
*
* @param string $testMarker The comment which prefaces the target token in the test file.
* @param int $length The number of tokens between opener and closer.
* @param array<int|string> $tokenCodes The codes of tokens inside the attributes.
*
* @dataProvider dataAttribute
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
* @covers PHP_CodeSniffer\Tokenizers\PHP::findCloser
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
*
* @return void
*/
public function testAttribute($testMarker, $length, $tokenCodes)
{
$tokens = $this->phpcsFile->getTokens();
$attribute = $this->getTargetToken($testMarker, T_ATTRIBUTE);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$closer = $tokens[$attribute]['attribute_closer'];
$this->assertSame(($attribute + $length), $closer);
$this->assertSame(T_ATTRIBUTE_END, $tokens[$closer]['code']);
$this->assertSame($tokens[$attribute]['attribute_opener'], $tokens[$closer]['attribute_opener']);
$this->assertSame($tokens[$attribute]['attribute_closer'], $tokens[$closer]['attribute_closer']);
$map = array_map(
function ($token) use ($attribute, $length) {
$this->assertArrayHasKey('attribute_closer', $token);
$this->assertSame(($attribute + $length), $token['attribute_closer']);
return $token['code'];
},
array_slice($tokens, ($attribute + 1), ($length - 1))
);
$this->assertSame($tokenCodes, $map);
}//end testAttribute()
/**
* Data provider.
*
* @see testAttribute()
*
* @return array<string, array<string, string|int|array<int|string>>>
*/
public static function dataAttribute()
{
return [
'class attribute' => [
'testMarker' => '/* testAttribute */',
'length' => 2,
'tokenCodes' => [
T_STRING
],
],
'class attribute with param' => [
'testMarker' => '/* testAttributeWithParams */',
'length' => 7,
'tokenCodes' => [
T_STRING,
T_OPEN_PARENTHESIS,
T_STRING,
T_DOUBLE_COLON,
T_STRING,
T_CLOSE_PARENTHESIS,
],
],
'class attribute with named param' => [
'testMarker' => '/* testAttributeWithNamedParam */',
'length' => 10,
'tokenCodes' => [
T_STRING,
T_OPEN_PARENTHESIS,
T_PARAM_NAME,
T_COLON,
T_WHITESPACE,
T_STRING,
T_DOUBLE_COLON,
T_STRING,
T_CLOSE_PARENTHESIS,
],
],
'function attribute' => [
'testMarker' => '/* testAttributeOnFunction */',
'length' => 2,
'tokenCodes' => [
T_STRING
],
],
'function attribute with params' => [
'testMarker' => '/* testAttributeOnFunctionWithParams */',
'length' => 17,
'tokenCodes' => [
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_COMMA,
T_WHITESPACE,
T_PARAM_NAME,
T_COLON,
T_WHITESPACE,
T_OPEN_SHORT_ARRAY,
T_CONSTANT_ENCAPSED_STRING,
T_WHITESPACE,
T_DOUBLE_ARROW,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_SHORT_ARRAY,
T_CLOSE_PARENTHESIS,
],
],
'function attribute with arrow function as param' => [
'testMarker' => '/* testAttributeWithShortClosureParameter */',
'length' => 17,
'tokenCodes' => [
T_STRING,
T_OPEN_PARENTHESIS,
T_STATIC,
T_WHITESPACE,
T_FN,
T_WHITESPACE,
T_OPEN_PARENTHESIS,
T_VARIABLE,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
T_FN_ARROW,
T_WHITESPACE,
T_BOOLEAN_NOT,
T_WHITESPACE,
T_VARIABLE,
T_CLOSE_PARENTHESIS,
],
],
'function attribute; multiple comma separated classes' => [
'testMarker' => '/* testAttributeGrouping */',
'length' => 26,
'tokenCodes' => [
T_STRING,
T_COMMA,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_PARENTHESIS,
T_COMMA,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_COMMA,
T_WHITESPACE,
T_PARAM_NAME,
T_COLON,
T_WHITESPACE,
T_OPEN_SHORT_ARRAY,
T_CONSTANT_ENCAPSED_STRING,
T_WHITESPACE,
T_DOUBLE_ARROW,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_SHORT_ARRAY,
T_CLOSE_PARENTHESIS,
],
],
'function attribute; multiple comma separated classes, one per line' => [
'testMarker' => '/* testAttributeMultiline */',
'length' => 31,
'tokenCodes' => [
T_WHITESPACE,
T_WHITESPACE,
T_STRING,
T_COMMA,
T_WHITESPACE,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_PARENTHESIS,
T_COMMA,
T_WHITESPACE,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_COMMA,
T_WHITESPACE,
T_PARAM_NAME,
T_COLON,
T_WHITESPACE,
T_OPEN_SHORT_ARRAY,
T_CONSTANT_ENCAPSED_STRING,
T_WHITESPACE,
T_DOUBLE_ARROW,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_SHORT_ARRAY,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
],
],
'function attribute; multiple comma separated classes, one per line, with comments' => [
'testMarker' => '/* testAttributeMultilineWithComment */',
'length' => 34,
'tokenCodes' => [
T_WHITESPACE,
T_WHITESPACE,
T_STRING,
T_COMMA,
T_WHITESPACE,
T_COMMENT,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_COMMENT,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_PARENTHESIS,
T_COMMA,
T_WHITESPACE,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_COMMA,
T_WHITESPACE,
T_PARAM_NAME,
T_COLON,
T_WHITESPACE,
T_OPEN_SHORT_ARRAY,
T_CONSTANT_ENCAPSED_STRING,
T_WHITESPACE,
T_DOUBLE_ARROW,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_SHORT_ARRAY,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
],
],
'function attribute; using partially qualified and fully qualified class names' => [
'testMarker' => '/* testFqcnAttribute */',
'length' => 13,
'tokenCodes' => [
T_STRING,
T_NS_SEPARATOR,
T_STRING,
T_COMMA,
T_WHITESPACE,
T_NS_SEPARATOR,
T_STRING,
T_NS_SEPARATOR,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_PARENTHESIS,
],
],
];
}//end dataAttribute()
/**
* Test that multiple attributes on the same line are parsed correctly.
*
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
* @covers PHP_CodeSniffer\Tokenizers\PHP::findCloser
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
*
* @return void
*/
public function testTwoAttributesOnTheSameLine()
{
$tokens = $this->phpcsFile->getTokens();
$attribute = $this->getTargetToken('/* testTwoAttributeOnTheSameLine */', T_ATTRIBUTE);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$closer = $tokens[$attribute]['attribute_closer'];
$this->assertSame(T_WHITESPACE, $tokens[($closer + 1)]['code']);
$this->assertSame(T_ATTRIBUTE, $tokens[($closer + 2)]['code']);
$this->assertArrayHasKey('attribute_closer', $tokens[($closer + 2)]);
}//end testTwoAttributesOnTheSameLine()
/**
* Test that attribute followed by a line comment is parsed correctly.
*
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
* @covers PHP_CodeSniffer\Tokenizers\PHP::findCloser
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
*
* @return void
*/
public function testAttributeAndLineComment()
{
$tokens = $this->phpcsFile->getTokens();
$attribute = $this->getTargetToken('/* testAttributeAndCommentOnTheSameLine */', T_ATTRIBUTE);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$closer = $tokens[$attribute]['attribute_closer'];
$this->assertSame(T_WHITESPACE, $tokens[($closer + 1)]['code']);
$this->assertSame(T_COMMENT, $tokens[($closer + 2)]['code']);
}//end testAttributeAndLineComment()
/**
* Test that attributes on function declaration parameters are parsed correctly.
*
* @param string $testMarker The comment which prefaces the target token in the test file.
* @param int $position The token position (starting from T_FUNCTION) of T_ATTRIBUTE token.
* @param int $length The number of tokens between opener and closer.
* @param array<int|string> $tokenCodes The codes of tokens inside the attributes.
*
* @dataProvider dataAttributeOnParameters
*
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
* @covers PHP_CodeSniffer\Tokenizers\PHP::findCloser
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
*
* @return void
*/
public function testAttributeOnParameters($testMarker, $position, $length, array $tokenCodes)
{
$tokens = $this->phpcsFile->getTokens();
$function = $this->getTargetToken($testMarker, T_FUNCTION);
$attribute = ($function + $position);
$this->assertSame(T_ATTRIBUTE, $tokens[$attribute]['code']);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$this->assertSame(($attribute + $length), $tokens[$attribute]['attribute_closer']);
$closer = $tokens[$attribute]['attribute_closer'];
$this->assertSame(T_WHITESPACE, $tokens[($closer + 1)]['code']);
$this->assertSame(T_STRING, $tokens[($closer + 2)]['code']);
$this->assertSame('int', $tokens[($closer + 2)]['content']);
$this->assertSame(T_VARIABLE, $tokens[($closer + 4)]['code']);
$this->assertSame('$param', $tokens[($closer + 4)]['content']);
$map = array_map(
function ($token) use ($attribute, $length) {
$this->assertArrayHasKey('attribute_closer', $token);
$this->assertSame(($attribute + $length), $token['attribute_closer']);
return $token['code'];
},
array_slice($tokens, ($attribute + 1), ($length - 1))
);
$this->assertSame($tokenCodes, $map);
}//end testAttributeOnParameters()
/**
* Data provider.
*
* @see testAttributeOnParameters()
*
* @return array<string, array<string, string|int|array<int|string>>>
*/
public static function dataAttributeOnParameters()
{
return [
'parameter attribute; single, inline' => [
'testMarker' => '/* testSingleAttributeOnParameter */',
'position' => 4,
'length' => 2,
'tokenCodes' => [
T_STRING
],
],
'parameter attribute; multiple comma separated, inline' => [
'testMarker' => '/* testMultipleAttributesOnParameter */',
'position' => 4,
'length' => 10,
'tokenCodes' => [
T_STRING,
T_COMMA,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_COMMENT,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_PARENTHESIS,
],
],
'parameter attribute; single, multiline' => [
'testMarker' => '/* testMultilineAttributesOnParameter */',
'position' => 4,
'length' => 13,
'tokenCodes' => [
T_WHITESPACE,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_WHITESPACE,
T_WHITESPACE,
T_CONSTANT_ENCAPSED_STRING,
T_WHITESPACE,
T_WHITESPACE,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
T_WHITESPACE,
],
],
];
}//end dataAttributeOnParameters()
/**
* Test that an attribute containing text which looks like a PHP close tag is tokenized correctly.
*
* @param string $testMarker The comment which prefaces the target token in the test file.
* @param int $length The number of tokens between opener and closer.
* @param array<array<string>> $expectedTokensAttribute The codes of tokens inside the attributes.
* @param array<int|string> $expectedTokensAfter The codes of tokens after the attributes.
*
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
*
* @dataProvider dataAttributeOnTextLookingLikeCloseTag
*
* @return void
*/
public function testAttributeContainingTextLookingLikeCloseTag($testMarker, $length, array $expectedTokensAttribute, array $expectedTokensAfter)
{
$tokens = $this->phpcsFile->getTokens();
$attribute = $this->getTargetToken($testMarker, T_ATTRIBUTE);
$this->assertSame('T_ATTRIBUTE', $tokens[$attribute]['type']);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$closer = $tokens[$attribute]['attribute_closer'];
$this->assertSame(($attribute + $length), $closer);
$this->assertSame(T_ATTRIBUTE_END, $tokens[$closer]['code']);
$this->assertSame('T_ATTRIBUTE_END', $tokens[$closer]['type']);
$this->assertSame($tokens[$attribute]['attribute_opener'], $tokens[$closer]['attribute_opener']);
$this->assertSame($tokens[$attribute]['attribute_closer'], $tokens[$closer]['attribute_closer']);
$i = ($attribute + 1);
foreach ($expectedTokensAttribute as $item) {
list($expectedType, $expectedContents) = $item;
$this->assertSame($expectedType, $tokens[$i]['type']);
$this->assertSame($expectedContents, $tokens[$i]['content']);
$this->assertArrayHasKey('attribute_opener', $tokens[$i]);
$this->assertArrayHasKey('attribute_closer', $tokens[$i]);
++$i;
}
$i = ($closer + 1);
foreach ($expectedTokensAfter as $expectedCode) {
$this->assertSame($expectedCode, $tokens[$i]['code']);
++$i;
}
}//end testAttributeContainingTextLookingLikeCloseTag()
/**
* Data provider.
*
* @see dataAttributeOnTextLookingLikeCloseTag()
*
* @return array<string, array<string, string|int|array<array<string>>|array<int|string>>>
*/
public static function dataAttributeOnTextLookingLikeCloseTag()
{
return [
'function attribute; string param with "?>"' => [
'testMarker' => '/* testAttributeContainingTextLookingLikeCloseTag */',
'length' => 5,
'expectedTokensAttribute' => [
[
'T_STRING',
'DeprecationReason',
],
[
'T_OPEN_PARENTHESIS',
'(',
],
[
'T_CONSTANT_ENCAPSED_STRING',
"'reason: <https://some-website/reason?>'",
],
[
'T_CLOSE_PARENTHESIS',
')',
],
[
'T_ATTRIBUTE_END',
']',
],
],
'expectedTokensAfter' => [
T_WHITESPACE,
T_FUNCTION,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
T_OPEN_CURLY_BRACKET,
T_CLOSE_CURLY_BRACKET,
],
],
'function attribute; string param with "?>"; multiline' => [
'testMarker' => '/* testAttributeContainingMultilineTextLookingLikeCloseTag */',
'length' => 8,
'expectedTokensAttribute' => [
[
'T_STRING',
'DeprecationReason',
],
[
'T_OPEN_PARENTHESIS',
'(',
],
[
'T_WHITESPACE',
"\n",
],
[
'T_WHITESPACE',
" ",
],
[
'T_CONSTANT_ENCAPSED_STRING',
"'reason: <https://some-website/reason?>'",
],
[
'T_WHITESPACE',
"\n",
],
[
'T_CLOSE_PARENTHESIS',
')',
],
[
'T_ATTRIBUTE_END',
']',
],
],
'expectedTokensAfter' => [
T_WHITESPACE,
T_FUNCTION,
T_WHITESPACE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
T_OPEN_CURLY_BRACKET,
T_CLOSE_CURLY_BRACKET,
],
],
];
}//end dataAttributeOnTextLookingLikeCloseTag()
/**
* Test that invalid attribute (or comment starting with #[ and without ]) are parsed correctly.
*
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
* @covers PHP_CodeSniffer\Tokenizers\PHP::findCloser
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
*
* @return void
*/
public function testInvalidAttribute()
{
$tokens = $this->phpcsFile->getTokens();
$attribute = $this->getTargetToken('/* testInvalidAttribute */', T_ATTRIBUTE);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$this->assertNull($tokens[$attribute]['attribute_closer']);
}//end testInvalidAttribute()
/**
* Test that nested attributes are parsed correctly.
*
* @covers PHP_CodeSniffer\Tokenizers\PHP::tokenize
* @covers PHP_CodeSniffer\Tokenizers\PHP::findCloser
* @covers PHP_CodeSniffer\Tokenizers\PHP::parsePhpAttribute
* @covers PHP_CodeSniffer\Tokenizers\PHP::createAttributesNestingMap
*
* @return void
*/
public function testNestedAttributes()
{
$tokens = $this->phpcsFile->getTokens();
$tokenCodes = [
T_STRING,
T_NS_SEPARATOR,
T_STRING,
T_OPEN_PARENTHESIS,
T_FN,
T_WHITESPACE,
T_OPEN_PARENTHESIS,
T_ATTRIBUTE,
T_STRING,
T_OPEN_PARENTHESIS,
T_CONSTANT_ENCAPSED_STRING,
T_CLOSE_PARENTHESIS,
T_ATTRIBUTE_END,
T_WHITESPACE,
T_VARIABLE,
T_CLOSE_PARENTHESIS,
T_WHITESPACE,
T_FN_ARROW,
T_WHITESPACE,
T_STRING_CAST,
T_WHITESPACE,
T_VARIABLE,
T_CLOSE_PARENTHESIS,
];
$attribute = $this->getTargetToken('/* testNestedAttributes */', T_ATTRIBUTE);
$this->assertArrayHasKey('attribute_closer', $tokens[$attribute]);
$closer = $tokens[$attribute]['attribute_closer'];
$this->assertSame(($attribute + 24), $closer);
$this->assertSame(T_ATTRIBUTE_END, $tokens[$closer]['code']);
$this->assertSame($tokens[$attribute]['attribute_opener'], $tokens[$closer]['attribute_opener']);
$this->assertSame($tokens[$attribute]['attribute_closer'], $tokens[$closer]['attribute_closer']);
$this->assertArrayNotHasKey('nested_attributes', $tokens[$attribute]);
$this->assertArrayHasKey('nested_attributes', $tokens[($attribute + 8)]);
$this->assertSame([$attribute => ($attribute + 24)], $tokens[($attribute + 8)]['nested_attributes']);
$test = function (array $tokens, $length, $nestedMap) use ($attribute) {
foreach ($tokens as $token) {
$this->assertArrayHasKey('attribute_closer', $token);
$this->assertSame(($attribute + $length), $token['attribute_closer']);
$this->assertSame($nestedMap, $token['nested_attributes']);
}
};
$test(array_slice($tokens, ($attribute + 1), 7), 24, [$attribute => $attribute + 24]);
$test(array_slice($tokens, ($attribute + 8), 1), 8 + 5, [$attribute => $attribute + 24]);
// Length here is 8 (nested attribute offset) + 5 (real length).
$test(
array_slice($tokens, ($attribute + 9), 4),
8 + 5,
[
$attribute => $attribute + 24,
$attribute + 8 => $attribute + 13,
]
);
$test(array_slice($tokens, ($attribute + 13), 1), 8 + 5, [$attribute => $attribute + 24]);
$test(array_slice($tokens, ($attribute + 14), 10), 24, [$attribute => $attribute + 24]);
$map = array_map(
static function ($token) {
return $token['code'];
},
array_slice($tokens, ($attribute + 1), 23)
);
$this->assertSame($tokenCodes, $map);
}//end testNestedAttributes()
}//end class
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