mirror of
https://github.com/phabelio/PHP-Parser.git
synced 2024-12-11 16:49:43 +01:00
6526ea2497
This needs to go through something like Encapsed or ShellExec to determine quotation type. Explicitly throw an exception to avoid getting an undefined method error.
316 lines
12 KiB
PHP
316 lines
12 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\Name;
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use PhpParser\Node\Scalar\DNumber;
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use PhpParser\Node\Scalar\Encapsed;
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use PhpParser\Node\Scalar\EncapsedStringPart;
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use PhpParser\Node\Scalar\LNumber;
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use PhpParser\Node\Scalar\String_;
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use PhpParser\Node\Stmt;
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use PhpParser\PrettyPrinter\Standard;
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require_once __DIR__ . '/CodeTestAbstract.php';
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class PrettyPrinterTest extends CodeTestAbstract
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{
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protected function doTestPrettyPrintMethod($method, $name, $code, $expected, $modeLine) {
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$lexer = new Lexer\Emulative;
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$parser5 = new Parser\Php5($lexer);
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$parser7 = new Parser\Php7($lexer);
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list($version, $options) = $this->parseModeLine($modeLine);
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$prettyPrinter = new Standard($options);
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try {
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$output5 = canonicalize($prettyPrinter->$method($parser5->parse($code)));
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} catch (Error $e) {
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$output5 = null;
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if ('php7' !== $version) {
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throw $e;
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}
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}
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try {
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$output7 = canonicalize($prettyPrinter->$method($parser7->parse($code)));
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} catch (Error $e) {
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$output7 = null;
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if ('php5' !== $version) {
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throw $e;
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}
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}
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if ('php5' === $version) {
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$this->assertSame($expected, $output5, $name);
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$this->assertNotSame($expected, $output7, $name);
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} elseif ('php7' === $version) {
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$this->assertSame($expected, $output7, $name);
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$this->assertNotSame($expected, $output5, $name);
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} else {
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$this->assertSame($expected, $output5, $name);
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$this->assertSame($expected, $output7, $name);
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}
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}
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/**
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* @dataProvider provideTestPrettyPrint
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* @covers \PhpParser\PrettyPrinter\Standard<extended>
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*/
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public function testPrettyPrint($name, $code, $expected, $mode) {
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$this->doTestPrettyPrintMethod('prettyPrint', $name, $code, $expected, $mode);
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}
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/**
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* @dataProvider provideTestPrettyPrintFile
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* @covers \PhpParser\PrettyPrinter\Standard<extended>
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*/
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public function testPrettyPrintFile($name, $code, $expected, $mode) {
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$this->doTestPrettyPrintMethod('prettyPrintFile', $name, $code, $expected, $mode);
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}
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public function provideTestPrettyPrint() {
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return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'test');
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}
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public function provideTestPrettyPrintFile() {
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return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'file-test');
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}
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public function testPrettyPrintExpr() {
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$prettyPrinter = new Standard;
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$expr = new Expr\BinaryOp\Mul(
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new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b')),
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new Expr\Variable('c')
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);
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$this->assertEquals('($a + $b) * $c', $prettyPrinter->prettyPrintExpr($expr));
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$expr = new Expr\Closure([
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'stmts' => [new Stmt\Return_(new String_("a\nb"))]
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]);
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$this->assertEquals("function () {\n return 'a\nb';\n}", $prettyPrinter->prettyPrintExpr($expr));
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}
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public function testCommentBeforeInlineHTML() {
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$prettyPrinter = new PrettyPrinter\Standard;
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$comment = new Comment\Doc("/**\n * This is a comment\n */");
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$stmts = [new Stmt\InlineHTML('Hello World!', ['comments' => [$comment]])];
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$expected = "<?php\n\n/**\n * This is a comment\n */\n?>\nHello World!";
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$this->assertSame($expected, $prettyPrinter->prettyPrintFile($stmts));
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}
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private function parseModeLine($modeLine) {
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$parts = explode(' ', (string) $modeLine, 2);
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$version = $parts[0] ?? 'both';
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$options = isset($parts[1]) ? json_decode($parts[1], true) : [];
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return [$version, $options];
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}
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public function testArraySyntaxDefault() {
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$prettyPrinter = new Standard(['shortArraySyntax' => true]);
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$expr = new Expr\Array_([
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new Expr\ArrayItem(new String_('val'), new String_('key'))
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]);
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$expected = "['key' => 'val']";
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$this->assertSame($expected, $prettyPrinter->prettyPrintExpr($expr));
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}
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/**
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* @dataProvider provideTestKindAttributes
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*/
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public function testKindAttributes($node, $expected) {
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$prttyPrinter = new PrettyPrinter\Standard;
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$result = $prttyPrinter->prettyPrintExpr($node);
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$this->assertSame($expected, $result);
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}
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public function provideTestKindAttributes() {
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$nowdoc = ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR'];
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$heredoc = ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR'];
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return [
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// Defaults to single quoted
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[new String_('foo'), "'foo'"],
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// Explicit single/double quoted
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[new String_('foo', ['kind' => String_::KIND_SINGLE_QUOTED]), "'foo'"],
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[new String_('foo', ['kind' => String_::KIND_DOUBLE_QUOTED]), '"foo"'],
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// Fallback from doc string if no label
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[new String_('foo', ['kind' => String_::KIND_NOWDOC]), "'foo'"],
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[new String_('foo', ['kind' => String_::KIND_HEREDOC]), '"foo"'],
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// Fallback if string contains label
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[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'A']), "'A\nB\nC'"],
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[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'B']), "'A\nB\nC'"],
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[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'C']), "'A\nB\nC'"],
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[new String_("STR;", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']), "'STR;'"],
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// Doc string if label not contained (or not in ending position)
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[new String_("foo", $nowdoc), "<<<'STR'\nfoo\nSTR\n"],
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[new String_("foo", $heredoc), "<<<STR\nfoo\nSTR\n"],
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[new String_("STRx", $nowdoc), "<<<'STR'\nSTRx\nSTR\n"],
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[new String_("xSTR", $nowdoc), "<<<'STR'\nxSTR\nSTR\n"],
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// Empty doc string variations (encapsed variant does not occur naturally)
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[new String_("", $nowdoc), "<<<'STR'\nSTR\n"],
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[new String_("", $heredoc), "<<<STR\nSTR\n"],
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[new Encapsed([new EncapsedStringPart('')], $heredoc), "<<<STR\nSTR\n"],
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// Encapsed doc string variations
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[new Encapsed([new EncapsedStringPart('foo')], $heredoc), "<<<STR\nfoo\nSTR\n"],
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[new Encapsed([new EncapsedStringPart('foo'), new Expr\Variable('y')], $heredoc), "<<<STR\nfoo{\$y}\nSTR\n"],
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[new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
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[new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
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[new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("STR\n")], $heredoc), "<<<STR\n{\$y}STR\n\nSTR\n"],
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// Encapsed doc string fallback
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[new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("\nSTR")], $heredoc), '"{$y}\\nSTR"'],
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[new Encapsed([new EncapsedStringPart("STR\n"), new Expr\Variable('y')], $heredoc), '"STR\\n{$y}"'],
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[new Encapsed([new EncapsedStringPart("STR")], $heredoc), '"STR"'],
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];
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}
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/** @dataProvider provideTestUnnaturalLiterals */
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public function testUnnaturalLiterals($node, $expected) {
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$prttyPrinter = new PrettyPrinter\Standard;
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$result = $prttyPrinter->prettyPrintExpr($node);
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$this->assertSame($expected, $result);
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}
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public function provideTestUnnaturalLiterals() {
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return [
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[new LNumber(-1), '-1'],
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[new LNumber(-PHP_INT_MAX - 1), '(-' . PHP_INT_MAX . '-1)'],
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[new LNumber(-1, ['kind' => LNumber::KIND_BIN]), '-0b1'],
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[new LNumber(-1, ['kind' => LNumber::KIND_OCT]), '-01'],
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[new LNumber(-1, ['kind' => LNumber::KIND_HEX]), '-0x1'],
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[new DNumber(\INF), '\INF'],
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[new DNumber(-\INF), '-\INF'],
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[new DNumber(-\NAN), '\NAN'],
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];
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}
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/**
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* @expectedException \LogicException
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* @expectedExceptionMessage Cannot pretty-print AST with Error nodes
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*/
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public function testPrettyPrintWithError() {
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$stmts = [new Stmt\Expression(
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new Expr\PropertyFetch(new Expr\Variable('a'), new Expr\Error())
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)];
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$prettyPrinter = new PrettyPrinter\Standard;
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$prettyPrinter->prettyPrint($stmts);
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}
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/**
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* @expectedException \LogicException
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* @expectedExceptionMessage Cannot pretty-print AST with Error nodes
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*/
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public function testPrettyPrintWithErrorInClassConstFetch() {
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$stmts = [new Stmt\Expression(
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new Expr\ClassConstFetch(new Name('Foo'), new Expr\Error())
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)];
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$prettyPrinter = new PrettyPrinter\Standard;
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$prettyPrinter->prettyPrint($stmts);
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}
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/**
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* @expectedException \LogicException
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* @expectedExceptionMessage Cannot directly print EncapsedStringPart
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*/
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public function testPrettyPrintEncapsedStringPart() {
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$expr = new Node\Scalar\EncapsedStringPart('foo');
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$prettyPrinter = new PrettyPrinter\Standard;
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$prettyPrinter->prettyPrintExpr($expr);
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}
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/**
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* @dataProvider provideTestFormatPreservingPrint
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* @covers \PhpParser\PrettyPrinter\Standard<extended>
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*/
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public function testFormatPreservingPrint($name, $code, $modification, $expected, $modeLine) {
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$lexer = new Lexer\Emulative([
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'usedAttributes' => [
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'comments',
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'startLine', 'endLine',
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'startTokenPos', 'endTokenPos',
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],
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]);
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$parser = new Parser\Php7($lexer);
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$traverser = new NodeTraverser();
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$traverser->addVisitor(new NodeVisitor\CloningVisitor());
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$printer = new PrettyPrinter\Standard();
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$oldStmts = $parser->parse($code);
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$oldTokens = $lexer->getTokens();
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$newStmts = $traverser->traverse($oldStmts);
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/** @var callable $fn */
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eval(<<<CODE
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use PhpParser\Comment;
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use PhpParser\Node;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Scalar;
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use PhpParser\Node\Stmt;
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\$fn = function(&\$stmts) { $modification };
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CODE
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);
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$fn($newStmts);
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$newCode = $printer->printFormatPreserving($newStmts, $oldStmts, $oldTokens);
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$this->assertSame(canonicalize($expected), canonicalize($newCode), $name);
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}
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public function provideTestFormatPreservingPrint() {
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return $this->getTests(__DIR__ . '/../code/formatPreservation', 'test', 3);
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}
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/**
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* @dataProvider provideTestRoundTripPrint
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* @covers \PhpParser\PrettyPrinter\Standard<extended>
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*/
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public function testRoundTripPrint($name, $code, $expected, $modeLine) {
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/**
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* This test makes sure that the format-preserving pretty printer round-trips for all
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* the pretty printer tests (i.e. returns the input if no changes occurred).
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*/
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list($version) = $this->parseModeLine($modeLine);
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$lexer = new Lexer\Emulative([
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'usedAttributes' => [
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'comments',
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'startLine', 'endLine',
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'startTokenPos', 'endTokenPos',
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],
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]);
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$parserClass = $version === 'php5' ? Parser\Php5::class : Parser\Php7::class;
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/** @var Parser $parser */
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$parser = new $parserClass($lexer);
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$traverser = new NodeTraverser();
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$traverser->addVisitor(new NodeVisitor\CloningVisitor());
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$printer = new PrettyPrinter\Standard();
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try {
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$oldStmts = $parser->parse($code);
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} catch (Error $e) {
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// Can't do a format-preserving print on a file with errors
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return;
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}
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$oldTokens = $lexer->getTokens();
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$newStmts = $traverser->traverse($oldStmts);
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$newCode = $printer->printFormatPreserving($newStmts, $oldStmts, $oldTokens);
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$this->assertSame(canonicalize($code), canonicalize($newCode), $name);
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}
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public function provideTestRoundTripPrint() {
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return array_merge(
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$this->getTests(__DIR__ . '/../code/prettyPrinter', 'test'),
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$this->getTests(__DIR__ . '/../code/parser', 'test')
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);
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}
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}
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