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<?php
namespace PhpParser;
use PhpParser\Comment;
use PhpParser\Node\Expr;
use PhpParser\Node\Scalar\Encapsed;
use PhpParser\Node\Scalar\EncapsedStringPart;
use PhpParser\Node\Scalar\String_;
use PhpParser\Node\Stmt;
use PhpParser\PrettyPrinter\Standard;
require_once __DIR__ . '/CodeTestAbstract.php';
class PrettyPrinterTest extends CodeTestAbstract
{
protected function doTestPrettyPrintMethod($method, $name, $code, $expected, $modeLine) {
$lexer = new Lexer\Emulative;
$parser5 = new Parser\Php5($lexer);
$parser7 = new Parser\Php7($lexer);
list($version, $options) = $this->parseModeLine($modeLine);
$prettyPrinter = new Standard($options);
try {
$output5 = canonicalize($prettyPrinter->$method($parser5->parse($code)));
} catch (Error $e) {
$output5 = null;
if ('php7' !== $version) {
throw $e;
}
}
try {
$output7 = canonicalize($prettyPrinter->$method($parser7->parse($code)));
} catch (Error $e) {
$output7 = null;
if ('php5' !== $version) {
throw $e;
}
}
if ('php5' === $version) {
$this->assertSame($expected, $output5, $name);
$this->assertNotSame($expected, $output7, $name);
} else if ('php7' === $version) {
$this->assertSame($expected, $output7, $name);
$this->assertNotSame($expected, $output5, $name);
} else {
$this->assertSame($expected, $output5, $name);
$this->assertSame($expected, $output7, $name);
}
}
/**
* @dataProvider provideTestPrettyPrint
* @covers PhpParser\PrettyPrinter\Standard<extended>
*/
public function testPrettyPrint($name, $code, $expected, $mode) {
$this->doTestPrettyPrintMethod('prettyPrint', $name, $code, $expected, $mode);
}
/**
* @dataProvider provideTestPrettyPrintFile
* @covers PhpParser\PrettyPrinter\Standard<extended>
*/
public function testPrettyPrintFile($name, $code, $expected, $mode) {
$this->doTestPrettyPrintMethod('prettyPrintFile', $name, $code, $expected, $mode);
}
public function provideTestPrettyPrint() {
return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'test');
}
public function provideTestPrettyPrintFile() {
return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'file-test');
}
public function testPrettyPrintExpr() {
$prettyPrinter = new Standard;
$expr = new Expr\BinaryOp\Mul(
new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b')),
new Expr\Variable('c')
);
$this->assertEquals('($a + $b) * $c', $prettyPrinter->prettyPrintExpr($expr));
$expr = new Expr\Closure(array(
'stmts' => array(new Stmt\Return_(new String_("a\nb")))
));
$this->assertEquals("function () {\n return 'a\nb';\n}", $prettyPrinter->prettyPrintExpr($expr));
}
public function testCommentBeforeInlineHTML() {
$prettyPrinter = new PrettyPrinter\Standard;
$comment = new Comment\Doc("/**\n * This is a comment\n */");
$stmts = [new Stmt\InlineHTML('Hello World!', ['comments' => [$comment]])];
$expected = "<?php\n\n/**\n * This is a comment\n */\n?>\nHello World!";
$this->assertSame($expected, $prettyPrinter->prettyPrintFile($stmts));
}
private function parseModeLine($modeLine) {
$parts = explode(' ', $modeLine, 2);
$version = isset($parts[0]) ? $parts[0] : 'both';
$options = isset($parts[1]) ? json_decode($parts[1], true) : [];
return [$version, $options];
}
public function testArraySyntaxDefault() {
$prettyPrinter = new Standard(['shortArraySyntax' => true]);
$expr = new Expr\Array_([
new Expr\ArrayItem(new String_('val'), new String_('key'))
]);
$expected = "['key' => 'val']";
$this->assertSame($expected, $prettyPrinter->prettyPrintExpr($expr));
}
/**
* @dataProvider provideTestKindAttributes
*/
public function testKindAttributes($node, $expected) {
$prttyPrinter = new PrettyPrinter\Standard;
$result = $prttyPrinter->prettyPrintExpr($node);
$this->assertSame($expected, $result);
}
public function provideTestKindAttributes() {
$nowdoc = ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR'];
$heredoc = ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR'];
return [
// Defaults to single quoted
[new String_('foo'), "'foo'"],
// Explicit single/double quoted
[new String_('foo', ['kind' => String_::KIND_SINGLE_QUOTED]), "'foo'"],
[new String_('foo', ['kind' => String_::KIND_DOUBLE_QUOTED]), '"foo"'],
// Fallback from doc string if no label
[new String_('foo', ['kind' => String_::KIND_NOWDOC]), "'foo'"],
[new String_('foo', ['kind' => String_::KIND_HEREDOC]), '"foo"'],
// Fallback if string contains label
[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'A']), "'A\nB\nC'"],
[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'B']), "'A\nB\nC'"],
[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'C']), "'A\nB\nC'"],
[new String_("STR;", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']), "'STR;'"],
// Doc string if label not contained (or not in ending position)
[new String_("foo", $nowdoc), "<<<'STR'\nfoo\nSTR\n"],
[new String_("foo", $heredoc), "<<<STR\nfoo\nSTR\n"],
[new String_("STRx", $nowdoc), "<<<'STR'\nSTRx\nSTR\n"],
[new String_("xSTR", $nowdoc), "<<<'STR'\nxSTR\nSTR\n"],
// Empty doc string variations (encapsed variant does not occur naturally)
[new String_("", $nowdoc), "<<<'STR'\nSTR\n"],
[new String_("", $heredoc), "<<<STR\nSTR\n"],
[new Encapsed([new EncapsedStringPart('')], $heredoc), "<<<STR\nSTR\n"],
// Encapsed doc string variations
[new Encapsed([new EncapsedStringPart('foo')], $heredoc), "<<<STR\nfoo\nSTR\n"],
[new Encapsed([new EncapsedStringPart('foo'), new Expr\Variable('y')], $heredoc), "<<<STR\nfoo{\$y}\nSTR\n"],
[new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
[new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
[new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("STR\n")], $heredoc), "<<<STR\n{\$y}STR\n\nSTR\n"],
// Encapsed doc string fallback
[new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("\nSTR")], $heredoc), '"{$y}\\nSTR"'],
[new Encapsed([new EncapsedStringPart("STR\n"), new Expr\Variable('y')], $heredoc), '"STR\\n{$y}"'],
[new Encapsed([new EncapsedStringPart("STR")], $heredoc), '"STR"'],
];
}
}