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[yaffs-website] / vendor / nikic / php-parser / test / PhpParser / PrettyPrinterTest.php
1 <?php
2
3 namespace PhpParser;
4
5 use PhpParser\Comment;
6 use PhpParser\Node\Expr;
7 use PhpParser\Node\Name;
8 use PhpParser\Node\Scalar\DNumber;
9 use PhpParser\Node\Scalar\Encapsed;
10 use PhpParser\Node\Scalar\EncapsedStringPart;
11 use PhpParser\Node\Scalar\LNumber;
12 use PhpParser\Node\Scalar\String_;
13 use PhpParser\Node\Stmt;
14 use PhpParser\PrettyPrinter\Standard;
15
16 require_once __DIR__ . '/CodeTestAbstract.php';
17
18 class PrettyPrinterTest extends CodeTestAbstract
19 {
20     protected function doTestPrettyPrintMethod($method, $name, $code, $expected, $modeLine) {
21         $lexer = new Lexer\Emulative;
22         $parser5 = new Parser\Php5($lexer);
23         $parser7 = new Parser\Php7($lexer);
24
25         list($version, $options) = $this->parseModeLine($modeLine);
26         $prettyPrinter = new Standard($options);
27
28         try {
29             $output5 = canonicalize($prettyPrinter->$method($parser5->parse($code)));
30         } catch (Error $e) {
31             $output5 = null;
32             if ('php7' !== $version) {
33                 throw $e;
34             }
35         }
36
37         try {
38             $output7 = canonicalize($prettyPrinter->$method($parser7->parse($code)));
39         } catch (Error $e) {
40             $output7 = null;
41             if ('php5' !== $version) {
42                 throw $e;
43             }
44         }
45
46         if ('php5' === $version) {
47             $this->assertSame($expected, $output5, $name);
48             $this->assertNotSame($expected, $output7, $name);
49         } else if ('php7' === $version) {
50             $this->assertSame($expected, $output7, $name);
51             $this->assertNotSame($expected, $output5, $name);
52         } else {
53             $this->assertSame($expected, $output5, $name);
54             $this->assertSame($expected, $output7, $name);
55         }
56     }
57
58     /**
59      * @dataProvider provideTestPrettyPrint
60      * @covers PhpParser\PrettyPrinter\Standard<extended>
61      */
62     public function testPrettyPrint($name, $code, $expected, $mode) {
63         $this->doTestPrettyPrintMethod('prettyPrint', $name, $code, $expected, $mode);
64     }
65
66     /**
67      * @dataProvider provideTestPrettyPrintFile
68      * @covers PhpParser\PrettyPrinter\Standard<extended>
69      */
70     public function testPrettyPrintFile($name, $code, $expected, $mode) {
71         $this->doTestPrettyPrintMethod('prettyPrintFile', $name, $code, $expected, $mode);
72     }
73
74     public function provideTestPrettyPrint() {
75         return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'test');
76     }
77
78     public function provideTestPrettyPrintFile() {
79         return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'file-test');
80     }
81
82     public function testPrettyPrintExpr() {
83         $prettyPrinter = new Standard;
84         $expr = new Expr\BinaryOp\Mul(
85             new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b')),
86             new Expr\Variable('c')
87         );
88         $this->assertEquals('($a + $b) * $c', $prettyPrinter->prettyPrintExpr($expr));
89
90         $expr = new Expr\Closure(array(
91             'stmts' => array(new Stmt\Return_(new String_("a\nb")))
92         ));
93         $this->assertEquals("function () {\n    return 'a\nb';\n}", $prettyPrinter->prettyPrintExpr($expr));
94     }
95
96     public function testCommentBeforeInlineHTML() {
97         $prettyPrinter = new PrettyPrinter\Standard;
98         $comment = new Comment\Doc("/**\n * This is a comment\n */");
99         $stmts = [new Stmt\InlineHTML('Hello World!', ['comments' => [$comment]])];
100         $expected = "<?php\n\n/**\n * This is a comment\n */\n?>\nHello World!";
101         $this->assertSame($expected, $prettyPrinter->prettyPrintFile($stmts));
102     }
103
104     private function parseModeLine($modeLine) {
105         $parts = explode(' ', $modeLine, 2);
106         $version = isset($parts[0]) ? $parts[0] : 'both';
107         $options = isset($parts[1]) ? json_decode($parts[1], true) : [];
108         return [$version, $options];
109     }
110
111     public function testArraySyntaxDefault() {
112         $prettyPrinter = new Standard(['shortArraySyntax' => true]);
113         $expr = new Expr\Array_([
114             new Expr\ArrayItem(new String_('val'), new String_('key'))
115         ]);
116         $expected = "['key' => 'val']";
117         $this->assertSame($expected, $prettyPrinter->prettyPrintExpr($expr));
118     }
119
120     /**
121      * @dataProvider provideTestKindAttributes
122      */
123     public function testKindAttributes($node, $expected) {
124         $prttyPrinter = new PrettyPrinter\Standard;
125         $result = $prttyPrinter->prettyPrintExpr($node);
126         $this->assertSame($expected, $result);
127     }
128
129     public function provideTestKindAttributes() {
130         $nowdoc = ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR'];
131         $heredoc = ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR'];
132         return [
133             // Defaults to single quoted
134             [new String_('foo'), "'foo'"],
135             // Explicit single/double quoted
136             [new String_('foo', ['kind' => String_::KIND_SINGLE_QUOTED]), "'foo'"],
137             [new String_('foo', ['kind' => String_::KIND_DOUBLE_QUOTED]), '"foo"'],
138             // Fallback from doc string if no label
139             [new String_('foo', ['kind' => String_::KIND_NOWDOC]), "'foo'"],
140             [new String_('foo', ['kind' => String_::KIND_HEREDOC]), '"foo"'],
141             // Fallback if string contains label
142             [new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'A']), "'A\nB\nC'"],
143             [new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'B']), "'A\nB\nC'"],
144             [new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'C']), "'A\nB\nC'"],
145             [new String_("STR;", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']), "'STR;'"],
146             // Doc string if label not contained (or not in ending position)
147             [new String_("foo", $nowdoc), "<<<'STR'\nfoo\nSTR\n"],
148             [new String_("foo", $heredoc), "<<<STR\nfoo\nSTR\n"],
149             [new String_("STRx", $nowdoc), "<<<'STR'\nSTRx\nSTR\n"],
150             [new String_("xSTR", $nowdoc), "<<<'STR'\nxSTR\nSTR\n"],
151             // Empty doc string variations (encapsed variant does not occur naturally)
152             [new String_("", $nowdoc), "<<<'STR'\nSTR\n"],
153             [new String_("", $heredoc), "<<<STR\nSTR\n"],
154             [new Encapsed([new EncapsedStringPart('')], $heredoc), "<<<STR\nSTR\n"],
155             // Encapsed doc string variations
156             [new Encapsed([new EncapsedStringPart('foo')], $heredoc), "<<<STR\nfoo\nSTR\n"],
157             [new Encapsed([new EncapsedStringPart('foo'), new Expr\Variable('y')], $heredoc), "<<<STR\nfoo{\$y}\nSTR\n"],
158             [new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
159             [new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
160             [new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("STR\n")], $heredoc), "<<<STR\n{\$y}STR\n\nSTR\n"],
161             // Encapsed doc string fallback
162             [new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("\nSTR")], $heredoc), '"{$y}\\nSTR"'],
163             [new Encapsed([new EncapsedStringPart("STR\n"), new Expr\Variable('y')], $heredoc), '"STR\\n{$y}"'],
164             [new Encapsed([new EncapsedStringPart("STR")], $heredoc), '"STR"'],
165         ];
166     }
167
168     /** @dataProvider provideTestUnnaturalLiterals */
169     public function testUnnaturalLiterals($node, $expected) {
170         $prttyPrinter = new PrettyPrinter\Standard;
171         $result = $prttyPrinter->prettyPrintExpr($node);
172         $this->assertSame($expected, $result);
173     }
174
175     public function provideTestUnnaturalLiterals() {
176         return [
177             [new LNumber(-1), '-1'],
178             [new LNumber(-PHP_INT_MAX - 1), '(-' . PHP_INT_MAX . '-1)'],
179             [new LNumber(-1, ['kind' => LNumber::KIND_BIN]), '-0b1'],
180             [new LNumber(-1, ['kind' => LNumber::KIND_OCT]), '-01'],
181             [new LNumber(-1, ['kind' => LNumber::KIND_HEX]), '-0x1'],
182             [new DNumber(\INF), '\INF'],
183             [new DNumber(-\INF), '-\INF'],
184             [new DNumber(-\NAN), '\NAN'],
185         ];
186     }
187
188     /**
189      * @expectedException \LogicException
190      * @expectedExceptionMessage Cannot pretty-print AST with Error nodes
191      */
192     public function testPrettyPrintWithError() {
193         $stmts = [new Expr\PropertyFetch(new Expr\Variable('a'), new Expr\Error())];
194         $prettyPrinter = new PrettyPrinter\Standard;
195         $prettyPrinter->prettyPrint($stmts);
196     }
197
198     /**
199      * @expectedException \LogicException
200      * @expectedExceptionMessage Cannot pretty-print AST with Error nodes
201      */
202     public function testPrettyPrintWithErrorInClassConstFetch() {
203         $stmts = [new Expr\ClassConstFetch(new Name('Foo'), new Expr\Error())];
204         $prettyPrinter = new PrettyPrinter\Standard;
205         $prettyPrinter->prettyPrint($stmts);
206     }
207 }