1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
|
<?php
namespace Twig\Tests;
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use PHPUnit\Framework\TestCase;
use Twig\Environment;
use Twig\Error\SyntaxError;
use Twig\Lexer;
use Twig\Loader\LoaderInterface;
use Twig\Source;
use Twig\Token;
class LexerTest extends TestCase
{
public function testNameLabelForTag()
{
$template = '{% § %}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::BLOCK_START_TYPE);
$this->assertSame('§', $stream->expect(Token::NAME_TYPE)->getValue());
}
public function testNameLabelForFunction()
{
$template = '{{ §() }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$this->assertSame('§', $stream->expect(Token::NAME_TYPE)->getValue());
}
public function testBracketsNesting()
{
$template = '{{ {"a":{"b":"c"}} }}';
$this->assertEquals(2, $this->countToken($template, Token::PUNCTUATION_TYPE, '{'));
$this->assertEquals(2, $this->countToken($template, Token::PUNCTUATION_TYPE, '}'));
}
protected function countToken($template, $type, $value = null)
{
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$count = 0;
while (!$stream->isEOF()) {
$token = $stream->next();
if ($type === $token->getType()) {
if (null === $value || $value === $token->getValue()) {
++$count;
}
}
}
return $count;
}
public function testLineDirective()
{
$template = "foo\n"
."bar\n"
."{% line 10 %}\n"
."{{\n"
."baz\n"
."}}\n";
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
// foo\nbar\n
$this->assertSame(1, $stream->expect(Token::TEXT_TYPE)->getLine());
// \n (after {% line %})
$this->assertSame(10, $stream->expect(Token::TEXT_TYPE)->getLine());
// {{
$this->assertSame(11, $stream->expect(Token::VAR_START_TYPE)->getLine());
// baz
$this->assertSame(12, $stream->expect(Token::NAME_TYPE)->getLine());
}
public function testLineDirectiveInline()
{
$template = "foo\n"
."bar{% line 10 %}{{\n"
."baz\n"
."}}\n";
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
// foo\nbar
$this->assertSame(1, $stream->expect(Token::TEXT_TYPE)->getLine());
// {{
$this->assertSame(10, $stream->expect(Token::VAR_START_TYPE)->getLine());
// baz
$this->assertSame(11, $stream->expect(Token::NAME_TYPE)->getLine());
}
public function testLongComments()
{
$template = '{# '.str_repeat('*', 100000).' #}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testLongVerbatim()
{
$template = '{% verbatim %}'.str_repeat('*', 100000).'{% endverbatim %}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testLongVar()
{
$template = '{{ '.str_repeat('x', 100000).' }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testLongBlock()
{
$template = '{% '.str_repeat('x', 100000).' %}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testBigNumbers()
{
$template = '{{ 922337203685477580700 }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->next();
$node = $stream->next();
$this->assertEquals('922337203685477580700', $node->getValue());
}
public function testStringWithEscapedDelimiter()
{
$tests = [
"{{ 'foo \' bar' }}" => 'foo \' bar',
'{{ "foo \" bar" }}' => 'foo " bar',
];
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
foreach ($tests as $template => $expected) {
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::STRING_TYPE, $expected);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
}
public function testStringWithInterpolation()
{
$template = 'foo {{ "bar #{ baz + 1 }" }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::TEXT_TYPE, 'foo ');
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::STRING_TYPE, 'bar ');
$stream->expect(Token::INTERPOLATION_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'baz');
$stream->expect(Token::OPERATOR_TYPE, '+');
$stream->expect(Token::NUMBER_TYPE, '1');
$stream->expect(Token::INTERPOLATION_END_TYPE);
$stream->expect(Token::VAR_END_TYPE);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testStringWithEscapedInterpolation()
{
$template = '{{ "bar \#{baz+1}" }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::STRING_TYPE, 'bar #{baz+1}');
$stream->expect(Token::VAR_END_TYPE);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testStringWithHash()
{
$template = '{{ "bar # baz" }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::STRING_TYPE, 'bar # baz');
$stream->expect(Token::VAR_END_TYPE);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testStringWithUnterminatedInterpolation()
{
$this->expectException(SyntaxError::class);
$this->expectExceptionMessage('Unclosed """');
$template = '{{ "bar #{x" }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
}
public function testStringWithNestedInterpolations()
{
$template = '{{ "bar #{ "foo#{bar}" }" }}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::STRING_TYPE, 'bar ');
$stream->expect(Token::INTERPOLATION_START_TYPE);
$stream->expect(Token::STRING_TYPE, 'foo');
$stream->expect(Token::INTERPOLATION_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'bar');
$stream->expect(Token::INTERPOLATION_END_TYPE);
$stream->expect(Token::INTERPOLATION_END_TYPE);
$stream->expect(Token::VAR_END_TYPE);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testStringWithNestedInterpolationsInBlock()
{
$template = '{% foo "bar #{ "foo#{bar}" }" %}';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::BLOCK_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'foo');
$stream->expect(Token::STRING_TYPE, 'bar ');
$stream->expect(Token::INTERPOLATION_START_TYPE);
$stream->expect(Token::STRING_TYPE, 'foo');
$stream->expect(Token::INTERPOLATION_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'bar');
$stream->expect(Token::INTERPOLATION_END_TYPE);
$stream->expect(Token::INTERPOLATION_END_TYPE);
$stream->expect(Token::BLOCK_END_TYPE);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testOperatorEndingWithALetterAtTheEndOfALine()
{
$template = "{{ 1 and\n0}}";
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::NUMBER_TYPE, 1);
$stream->expect(Token::OPERATOR_TYPE, 'and');
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
public function testUnterminatedVariable()
{
$this->expectException(SyntaxError::class);
$this->expectExceptionMessage('Unclosed "variable" in "index" at line 3');
$template = '
{{
bar
';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
}
public function testUnterminatedBlock()
{
$this->expectException(SyntaxError::class);
$this->expectExceptionMessage('Unclosed "block" in "index" at line 3');
$template = '
{%
bar
';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)));
$lexer->tokenize(new Source($template, 'index'));
}
public function testOverridingSyntax()
{
$template = '[# comment #]{# variable #}/# if true #/true/# endif #/';
$lexer = new Lexer(new Environment($this->createMock(LoaderInterface::class)), [
'tag_comment' => ['[#', '#]'],
'tag_block' => ['/#', '#/'],
'tag_variable' => ['{#', '#}'],
]);
$stream = $lexer->tokenize(new Source($template, 'index'));
$stream->expect(Token::VAR_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'variable');
$stream->expect(Token::VAR_END_TYPE);
$stream->expect(Token::BLOCK_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'if');
$stream->expect(Token::NAME_TYPE, 'true');
$stream->expect(Token::BLOCK_END_TYPE);
$stream->expect(Token::TEXT_TYPE, 'true');
$stream->expect(Token::BLOCK_START_TYPE);
$stream->expect(Token::NAME_TYPE, 'endif');
$stream->expect(Token::BLOCK_END_TYPE);
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
// can be executed without throwing any exceptions
$this->addToAssertionCount(1);
}
}
|
