181 lines
7.5 KiB
PHP
181 lines
7.5 KiB
PHP
<?php declare(strict_types=1);
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namespace PhpParser;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Scalar;
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use PhpParser\Node\Scalar\String_;
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use PhpParser\Node\Stmt;
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use PHPUnit\Framework\TestCase;
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abstract class ParserTest extends TestCase
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{
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/** @returns Parser */
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abstract protected function getParser(Lexer $lexer);
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public function testParserThrowsSyntaxError() {
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$this->expectException(Error::class);
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$this->expectExceptionMessage('Syntax error, unexpected EOF on line 1');
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$parser = $this->getParser(new Lexer());
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$parser->parse('<?php foo');
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}
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public function testParserThrowsSpecialError() {
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$this->expectException(Error::class);
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$this->expectExceptionMessage('Cannot use foo as self because \'self\' is a special class name on line 1');
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$parser = $this->getParser(new Lexer());
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$parser->parse('<?php use foo as self;');
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}
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public function testParserThrowsLexerError() {
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$this->expectException(Error::class);
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$this->expectExceptionMessage('Unterminated comment on line 1');
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$parser = $this->getParser(new Lexer());
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$parser->parse('<?php /*');
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}
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public function testAttributeAssignment() {
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$lexer = new Lexer([
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'usedAttributes' => [
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'comments', 'startLine', 'endLine',
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'startTokenPos', 'endTokenPos',
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]
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]);
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$code = <<<'EOC'
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<?php
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/** Doc comment */
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function test($a) {
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// Line
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// Comments
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echo $a;
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}
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EOC;
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$code = canonicalize($code);
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$parser = $this->getParser($lexer);
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$stmts = $parser->parse($code);
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/** @var Stmt\Function_ $fn */
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$fn = $stmts[0];
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$this->assertInstanceOf(Stmt\Function_::class, $fn);
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$this->assertEquals([
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'comments' => [
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new Comment\Doc('/** Doc comment */', 2, 6, 1),
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],
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'startLine' => 3,
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'endLine' => 7,
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'startTokenPos' => 3,
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'endTokenPos' => 21,
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], $fn->getAttributes());
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$param = $fn->params[0];
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$this->assertInstanceOf(Node\Param::class, $param);
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$this->assertEquals([
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'startLine' => 3,
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'endLine' => 3,
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'startTokenPos' => 7,
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'endTokenPos' => 7,
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], $param->getAttributes());
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/** @var Stmt\Echo_ $echo */
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$echo = $fn->stmts[0];
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$this->assertInstanceOf(Stmt\Echo_::class, $echo);
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$this->assertEquals([
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'comments' => [
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new Comment("// Line\n", 4, 49, 12),
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new Comment("// Comments\n", 5, 61, 14),
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],
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'startLine' => 6,
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'endLine' => 6,
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'startTokenPos' => 16,
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'endTokenPos' => 19,
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], $echo->getAttributes());
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/** @var \PhpParser\Node\Expr\Variable $var */
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$var = $echo->exprs[0];
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$this->assertInstanceOf(Expr\Variable::class, $var);
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$this->assertEquals([
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'startLine' => 6,
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'endLine' => 6,
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'startTokenPos' => 18,
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'endTokenPos' => 18,
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], $var->getAttributes());
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}
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public function testInvalidToken() {
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$this->expectException(\RangeException::class);
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$this->expectExceptionMessage('The lexer returned an invalid token (id=999, value=foobar)');
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$lexer = new InvalidTokenLexer;
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$parser = $this->getParser($lexer);
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$parser->parse('dummy');
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}
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/**
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* @dataProvider provideTestExtraAttributes
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*/
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public function testExtraAttributes($code, $expectedAttributes) {
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$parser = $this->getParser(new Lexer\Emulative);
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$stmts = $parser->parse("<?php $code;");
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$node = $stmts[0] instanceof Stmt\Expression ? $stmts[0]->expr : $stmts[0];
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$attributes = $node->getAttributes();
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foreach ($expectedAttributes as $name => $value) {
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$this->assertSame($value, $attributes[$name]);
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}
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}
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public function provideTestExtraAttributes() {
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return [
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['0', ['kind' => Scalar\LNumber::KIND_DEC]],
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['9', ['kind' => Scalar\LNumber::KIND_DEC]],
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['07', ['kind' => Scalar\LNumber::KIND_OCT]],
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['0xf', ['kind' => Scalar\LNumber::KIND_HEX]],
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['0XF', ['kind' => Scalar\LNumber::KIND_HEX]],
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['0b1', ['kind' => Scalar\LNumber::KIND_BIN]],
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['0B1', ['kind' => Scalar\LNumber::KIND_BIN]],
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['[]', ['kind' => Expr\Array_::KIND_SHORT]],
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['array()', ['kind' => Expr\Array_::KIND_LONG]],
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["'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]],
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["b'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]],
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["B'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]],
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['"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]],
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['b"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]],
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['B"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]],
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['"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]],
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['b"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]],
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['B"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]],
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["<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["<<<STR\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["<<<\"STR\"\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["b<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["B<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["<<< \t 'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["<<<'\xff'\n\xff\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => "\xff", 'docIndentation' => '']],
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["<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["b<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["B<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["<<< \t \"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => '']],
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["<<<STR\n STR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => ' ']],
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["<<<STR\n\tSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR', 'docIndentation' => "\t"]],
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["<<<'STR'\n Foo\n STR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR', 'docIndentation' => ' ']],
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["die", ['kind' => Expr\Exit_::KIND_DIE]],
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["die('done')", ['kind' => Expr\Exit_::KIND_DIE]],
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["exit", ['kind' => Expr\Exit_::KIND_EXIT]],
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["exit(1)", ['kind' => Expr\Exit_::KIND_EXIT]],
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["?>Foo", ['hasLeadingNewline' => false]],
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["?>\nFoo", ['hasLeadingNewline' => true]],
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["namespace Foo;", ['kind' => Stmt\Namespace_::KIND_SEMICOLON]],
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["namespace Foo {}", ['kind' => Stmt\Namespace_::KIND_BRACED]],
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["namespace {}", ['kind' => Stmt\Namespace_::KIND_BRACED]],
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];
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}
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}
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class InvalidTokenLexer extends Lexer
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{
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public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) : int {
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$value = 'foobar';
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return 999;
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}
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}
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