File: test_lexer.py

package info (click to toggle)
mako 1.0.6%2Bds1-2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 1,556 kB
  • ctags: 1,495
  • sloc: python: 11,807; makefile: 167
file content (897 lines) | stat: -rw-r--r-- 28,999 bytes parent folder | download | duplicates (2)
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
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
from mako.lexer import Lexer
from mako import exceptions, util, compat
from test.util import flatten_result
from mako.template import Template
import re
from test import TemplateTest, eq_, assert_raises_message

# create fake parsetree classes which are constructed
# exactly as the repr() of a real parsetree object.
# this allows us to use a Python construct as the source
# of a comparable repr(), which is also hit by the 2to3 tool.

def repr_arg(x):
    if isinstance(x, dict):
        return util.sorted_dict_repr(x)
    else:
        return repr(x)

def _as_unicode(arg):
    if isinstance(arg, compat.string_types):
        return compat.text_type(arg)
    elif isinstance(arg, dict):
        return dict(
            (_as_unicode(k), _as_unicode(v))
            for k, v in arg.items()
        )
    else:
        return arg
from mako import parsetree
for cls in list(parsetree.__dict__.values()):
    if isinstance(cls, type) and \
        issubclass(cls, parsetree.Node):
        clsname = cls.__name__
        exec(("""
class %s(object):
    def __init__(self, *args):
        self.args = [_as_unicode(arg) for arg in args]
    def __repr__(self):
        return "%%s(%%s)" %% (
            self.__class__.__name__,
            ", ".join(repr_arg(x) for x in self.args)
            )
""" % clsname), locals())

# NOTE: most assertion expressions were generated, then formatted
# by PyTidy, hence the dense formatting.

class LexerTest(TemplateTest):

    def _compare(self, node, expected):
        eq_(repr(node), repr(expected))

    def test_text_and_tag(self):
        template = """
<b>Hello world</b>
        <%def name="foo()">
                this is a def.
        </%def>

        and some more text.
"""
        node = Lexer(template).parse()
        self._compare(node, TemplateNode({},
                      [Text('''\n<b>Hello world</b>\n        ''', (1,
                      1)), DefTag('def', {'name': 'foo()'}, (3, 9),
                      [Text('''\n                this is a def.\n        ''',
                      (3, 28))]),
                      Text('''\n\n        and some more text.\n''',
                      (5, 16))]))

    def test_unclosed_tag(self):
        template = """

            <%def name="foo()">
             other text
        """
        try:
            nodes = Lexer(template).parse()
            assert False
        except exceptions.SyntaxException:
            eq_(
                str(compat.exception_as()),
                "Unclosed tag: <%def> at line: 5 char: 9"
            )

    def test_onlyclosed_tag(self):
        template = \
            """
            <%def name="foo()">
                foo
            </%def>

            </%namespace>

            hi.
        """
        self.assertRaises(exceptions.SyntaxException,
                          Lexer(template).parse)

    def test_noexpr_allowed(self):
        template = \
            """
            <%namespace name="${foo}"/>
        """
        self.assertRaises(exceptions.CompileException,
                          Lexer(template).parse)

    def test_unmatched_tag(self):
        template = \
            """
        <%namespace name="bar">
        <%def name="foo()">
            foo
            </%namespace>
        </%def>


        hi.
"""
        self.assertRaises(exceptions.SyntaxException,
                          Lexer(template).parse)

    def test_nonexistent_tag(self):
        template = """
            <%lala x="5"/>
        """
        self.assertRaises(exceptions.CompileException,
                          Lexer(template).parse)

    def test_wrongcase_tag(self):
        template = \
            """
            <%DEF name="foo()">
            </%def>

        """
        self.assertRaises(exceptions.CompileException,
                          Lexer(template).parse)

    def test_percent_escape(self):
        template = \
            """

%% some whatever.

    %% more some whatever
    % if foo:
    % endif
        """
        node = Lexer(template).parse()
        self._compare(node, TemplateNode({}, [Text('''\n\n''',
                      (1, 1)), Text('''% some whatever.\n\n''', (3, 2)),
                      Text('   %% more some whatever\n', (5, 2)),
                      ControlLine('if', 'if foo:', False, (6, 1)),
                      ControlLine('if', 'endif', True, (7, 1)),
                      Text('        ', (8, 1))]))

    def test_old_multiline_comment(self):
        template = """#*"""
        node = Lexer(template).parse()
        self._compare(node, TemplateNode({}, [Text('''#*''', (1, 1))]))


    def test_text_tag(self):
        template = \
            """
        ## comment
        % if foo:
            hi
        % endif
        <%text>
            # more code

            % more code
            <%illegal compionent>/></>
            <%def name="laal()">def</%def>


        </%text>

        <%def name="foo()">this is foo</%def>

        % if bar:
            code
        % endif
        """
        node = Lexer(template).parse()
        self._compare(node,
            TemplateNode({}, [Text('\n', (1, 1)),
                    Comment('comment', (2, 1)),
                    ControlLine('if', 'if foo:', False, (3, 1)),
                    Text('            hi\n', (4, 1)),
                    ControlLine('if', 'endif', True, (5, 1)),
                    Text('        ', (6, 1)),
                    TextTag('text', {}, (6, 9),
                    [Text('\n            # more code\n\n           '
                        ' % more code\n            <%illegal compionent>/></>\n'
                        '            <%def name="laal()">def</%def>\n\n\n        ',
                        (6, 16))]), Text('\n\n        ', (14, 17)),
                    DefTag('def', {'name': 'foo()'}, (16, 9),
                    [Text('this is foo', (16, 28))]), Text('\n\n', (16, 46)),
                    ControlLine('if', 'if bar:', False, (18, 1)),
                    Text('            code\n', (19, 1)),
                    ControlLine('if', 'endif', True, (20, 1)),
                    Text('        ', (21, 1))])
        )

    def test_def_syntax(self):
        template = \
            """
        <%def lala>
            hi
        </%def>
"""
        self.assertRaises(exceptions.CompileException,
                          Lexer(template).parse)

    def test_def_syntax_2(self):
        template = \
            """
        <%def name="lala">
            hi
        </%def>
    """
        self.assertRaises(exceptions.CompileException,
                          Lexer(template).parse)

    def test_whitespace_equals(self):
        template = \
            """
            <%def name = "adef()" >
              adef
            </%def>
        """
        node = Lexer(template).parse()
        self._compare(node, TemplateNode({}, [Text('\n            ',
                      (1, 1)), DefTag('def', {'name': 'adef()'}, (2,
                      13),
                      [Text('''\n              adef\n            ''',
                      (2, 36))]), Text('\n        ', (4, 20))]))

    def test_ns_tag_closed(self):
        template = \
            """

            <%self:go x="1" y="2" z="${'hi' + ' ' + 'there'}"/>
        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('''

            ''', (1, 1)),
                      CallNamespaceTag('self:go', {'x': '1', 'y'
                      : '2', 'z': "${'hi' + ' ' + 'there'}"}, (3,
                      13), []), Text('\n        ', (3, 64))]))

    def test_ns_tag_empty(self):
        template = \
            """
            <%form:option value=""></%form:option>
        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [Text('\n            ',
                      (1, 1)), CallNamespaceTag('form:option',
                      {'value': ''}, (2, 13), []), Text('\n        '
                      , (2, 51))]))

    def test_ns_tag_open(self):
        template = \
            """

            <%self:go x="1" y="${process()}">
                this is the body
            </%self:go>
        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('''

            ''', (1, 1)),
                      CallNamespaceTag('self:go', {'x': '1', 'y'
                      : '${process()}'}, (3, 13),
                      [Text('''
                this is the body
            ''',
                      (3, 46))]), Text('\n        ', (5, 24))]))

    def test_expr_in_attribute(self):
        """test some slightly trickier expressions.

        you can still trip up the expression parsing, though, unless we
        integrated really deeply somehow with AST."""

        template = \
            """
            <%call expr="foo>bar and 'lala' or 'hoho'"/>
            <%call expr='foo<bar and hoho>lala and "x" + "y"'/>
        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [Text('\n            ',
                      (1, 1)), CallTag('call', {'expr'
                      : "foo>bar and 'lala' or 'hoho'"}, (2, 13), []),
                      Text('\n            ', (2, 57)), CallTag('call'
                      , {'expr': 'foo<bar and hoho>lala and "x" + "y"'
                      }, (3, 13), []), Text('\n        ', (3, 64))]))

    def test_pagetag(self):
        template = \
            """
            <%page cached="True", args="a, b"/>

            some template
        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [Text('\n            ',
                      (1, 1)), PageTag('page', {'args': 'a, b',
                      'cached': 'True'}, (2, 13), []),
                      Text('''

            some template
        ''',
                      (2, 48))]))

    def test_nesting(self):
        template = \
            """

        <%namespace name="ns">
            <%def name="lala(hi, there)">
                <%call expr="something()"/>
            </%def>
        </%namespace>

        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('''

        ''', (1, 1)),
                      NamespaceTag('namespace', {'name': 'ns'}, (3,
                      9), [Text('\n            ', (3, 31)),
                      DefTag('def', {'name': 'lala(hi, there)'}, (4,
                      13), [Text('\n                ', (4, 42)),
                      CallTag('call', {'expr': 'something()'}, (5,
                      17), []), Text('\n            ', (5, 44))]),
                      Text('\n        ', (6, 20))]),
                      Text('''

        ''', (7, 22))]))

    if compat.py3k:
        def test_code(self):
            template = \
"""text
    <%
        print("hi")
        for x in range(1,5):
            print(x)
    %>
more text
    <%!
        import foo
    %>
"""
            nodes = Lexer(template).parse()
            self._compare(nodes,
            TemplateNode({}, [
                Text('text\n    ', (1, 1)),
                Code('\nprint("hi")\nfor x in range(1,5):\n    '
                            'print(x)\n    \n', False, (2, 5)),
                Text('\nmore text\n    ', (6, 7)),
                Code('\nimport foo\n    \n', True, (8, 5)),
                Text('\n', (10, 7))])
            )


    else:

        def test_code(self):
            template = \
"""text
    <%
        print "hi"
        for x in range(1,5):
            print x
    %>
more text
    <%!
        import foo
    %>
"""
            nodes = Lexer(template).parse()
            self._compare(nodes,
            TemplateNode({}, [
                Text('text\n    ', (1, 1)),
                Code('\nprint "hi"\nfor x in range(1,5):\n    '
                            'print x\n    \n', False, (2, 5)),
                Text('\nmore text\n    ', (6, 7)),
                Code('\nimport foo\n    \n', True, (8, 5)),
                Text('\n', (10, 7))])
            )

    def test_code_and_tags(self):
        template = \
            """
<%namespace name="foo">
    <%def name="x()">
        this is x
    </%def>
    <%def name="y()">
        this is y
    </%def>
</%namespace>

<%
    result = []
    data = get_data()
    for x in data:
        result.append(x+7)
%>

    result: <%call expr="foo.x(result)"/>
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [Text('\n', (1, 1)),
                      NamespaceTag('namespace', {'name': 'foo'}, (2,
                      1), [Text('\n    ', (2, 24)), DefTag('def',
                      {'name': 'x()'}, (3, 5),
                      [Text('''\n        this is x\n    ''', (3, 22))]),
                      Text('\n    ', (5, 12)), DefTag('def', {'name'
                      : 'y()'}, (6, 5),
                      [Text('''\n        this is y\n    ''', (6, 22))]),
                      Text('\n', (8, 12))]), Text('''\n\n''', (9, 14)),
                      Code('''\nresult = []\ndata = get_data()\n'''
                      '''for x in data:\n    result.append(x+7)\n\n''',
                      False, (11, 1)), Text('''\n\n    result: ''', (16,
                      3)), CallTag('call', {'expr': 'foo.x(result)'
                      }, (18, 13), []), Text('\n', (18, 42))]))

    def test_expression(self):
        template = \
            """
        this is some ${text} and this is ${textwith | escapes, moreescapes}
        <%def name="hi()">
            give me ${foo()} and ${bar()}
        </%def>
        ${hi()}
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('\n        this is some ', (1, 1)),
                      Expression('text', [], (2, 22)),
                      Text(' and this is ', (2, 29)),
                      Expression('textwith ', ['escapes', 'moreescapes'
                      ], (2, 42)), Text('\n        ', (2, 76)),
                      DefTag('def', {'name': 'hi()'}, (3, 9),
                      [Text('\n            give me ', (3, 27)),
                      Expression('foo()', [], (4, 21)), Text(' and ',
                      (4, 29)), Expression('bar()', [], (4, 34)),
                      Text('\n        ', (4, 42))]), Text('\n        '
                      , (5, 16)), Expression('hi()', [], (6, 9)),
                      Text('\n', (6, 16))]))


    def test_tricky_expression(self):
        template = """

            ${x and "|" or "hi"}
        """
        nodes = Lexer(template).parse()
        self._compare(
            nodes,
            TemplateNode({}, [
                Text('\n\n            ', (1, 1)),
                Expression('x and "|" or "hi"', [], (3, 13)),
                Text('\n        ', (3, 33))
            ])
        )

        template = r"""

            ${hello + '''heres '{|}' text | | }''' | escape1}
            ${'Tricky string: ' + '\\\"\\\'|\\'}
        """
        nodes = Lexer(template).parse()
        self._compare(
            nodes,
            TemplateNode({}, [
                Text('\n\n            ', (1, 1)),
                Expression("hello + '''heres '{|}' text | | }''' ",
                                ['escape1'], (3, 13)),
                Text('\n            ', (3, 62)),
                Expression(r"""'Tricky string: ' + '\\\"\\\'|\\'""",
                                [], (4, 13)),
                Text('\n        ', (4, 49))
            ])
        )

    def test_tricky_code(self):
        if compat.py3k:
            template = """<% print('hi %>') %>"""
            nodes = Lexer(template).parse()
            self._compare(nodes, TemplateNode({},
                          [Code("print('hi %>') \n", False, (1, 1))]))
        else:
            template = """<% print 'hi %>' %>"""
            nodes = Lexer(template).parse()
            self._compare(nodes, TemplateNode({},
                          [Code("print 'hi %>' \n", False, (1, 1))]))

    def test_tricky_code_2(self):
        template = \
            """<%
        # someone's comment
%>
        """
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Code("""
        # someone's comment

""",
                      False, (1, 1)), Text('\n        ', (3, 3))]))

    if compat.py3k:
        def test_tricky_code_3(self):
            template = \
                """<%
            print('hi')
            # this is a comment
            # another comment
            x = 7 # someone's '''comment
            print('''
        there
        ''')
            # someone else's comment
%> '''and now some text '''"""
            nodes = Lexer(template).parse()
            self._compare(nodes, TemplateNode({},
                          [Code("""
print('hi')
# this is a comment
# another comment
x = 7 # someone's '''comment
print('''
        there
        ''')
# someone else's comment

""",
                          False, (1, 1)),
                          Text(" '''and now some text '''", (10,
                          3))]))
    else:
        def test_tricky_code_3(self):
            template = \
                """<%
            print 'hi'
            # this is a comment
            # another comment
            x = 7 # someone's '''comment
            print '''
        there
        '''
            # someone else's comment
%> '''and now some text '''"""
            nodes = Lexer(template).parse()
            self._compare(nodes, TemplateNode({},
                      [Code("""\nprint 'hi'\n# this is a comment\n"""
                      """# another comment\nx = 7 """
                      """# someone's '''comment\nprint '''\n        """
                      """there\n        '''\n# someone else's """
                      """comment\n\n""",
                      False, (1, 1)),
                      Text(" '''and now some text '''", (10, 3))]))

    def test_tricky_code_4(self):
        template = \
            """<% foo = "\\"\\\\" %>"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Code("""foo = "\\"\\\\" \n""",
                      False, (1, 1))]))

    def test_tricky_code_5(self):
        template = \
            """before ${ {'key': 'value'} } after"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('before ', (1, 1)),
                      Expression(" {'key': 'value'} ", [], (1, 8)),
                      Text(' after', (1, 29))]))

    def test_tricky_code_6(self):
        template = \
            """before ${ (0x5302 | 0x0400) } after"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('before ', (1, 1)),
                      Expression(" (0x5302 | 0x0400) ", [], (1, 8)),
                      Text(' after', (1, 30))]))

    def test_control_lines(self):
        template = \
            """
text text la la
% if foo():
 mroe text la la blah blah
% endif

        and osme more stuff
        % for l in range(1,5):
    tex tesl asdl l is ${l} kfmas d
      % endfor
    tetx text

"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('''\ntext text la la\n''', (1, 1)),
                      ControlLine('if', 'if foo():', False, (3, 1)),
                      Text(' mroe text la la blah blah\n', (4, 1)),
                      ControlLine('if', 'endif', True, (5, 1)),
                      Text('''\n        and osme more stuff\n''', (6,
                      1)), ControlLine('for', 'for l in range(1,5):',
                      False, (8, 1)), Text('    tex tesl asdl l is ',
                      (9, 1)), Expression('l', [], (9, 24)),
                      Text(' kfmas d\n', (9, 28)), ControlLine('for',
                      'endfor', True, (10, 1)),
                      Text('''    tetx text\n\n''', (11, 1))]))

    def test_control_lines_2(self):
        template = \
"""% for file in requestattr['toc'].filenames:
    x
% endfor
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [ControlLine('for',
                      "for file in requestattr['toc'].filenames:",
                      False, (1, 1)), Text('    x\n', (2, 1)),
                      ControlLine('for', 'endfor', True, (3, 1))]))

    def test_long_control_lines(self):
        template = \
        """
    % for file in \\
        requestattr['toc'].filenames:
        x
    % endfor
        """
        nodes = Lexer(template).parse()
        self._compare(
            nodes,
            TemplateNode({}, [
                Text('\n', (1, 1)),
                ControlLine('for', "for file in \\\n        "
                                "requestattr['toc'].filenames:",
                                False, (2, 1)),
                Text('        x\n', (4, 1)),
                ControlLine('for', 'endfor', True, (5, 1)),
                Text('        ', (6, 1))
            ])
        )

    def test_unmatched_control(self):
        template = """

        % if foo:
            % for x in range(1,5):
        % endif
"""
        assert_raises_message(
            exceptions.SyntaxException,
            "Keyword 'endif' doesn't match keyword 'for' at line: 5 char: 1",
            Lexer(template).parse
        )

    def test_unmatched_control_2(self):
        template = """

        % if foo:
            % for x in range(1,5):
            % endfor
"""

        assert_raises_message(
            exceptions.SyntaxException,
            "Unterminated control keyword: 'if' at line: 3 char: 1",
            Lexer(template).parse
        )

    def test_unmatched_control_3(self):
        template = """

        % if foo:
            % for x in range(1,5):
            % endlala
        % endif
"""
        assert_raises_message(
            exceptions.SyntaxException,
            "Keyword 'endlala' doesn't match keyword 'for' at line: 5 char: 1",
            Lexer(template).parse
        )

    def test_ternary_control(self):
        template = \
            """
        % if x:
            hi
        % elif y+7==10:
            there
        % elif lala:
            lala
        % else:
            hi
        % endif
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [Text('\n', (1, 1)),
                      ControlLine('if', 'if x:', False, (2, 1)),
                      Text('            hi\n', (3, 1)),
                      ControlLine('elif', 'elif y+7==10:', False, (4,
                      1)), Text('            there\n', (5, 1)),
                      ControlLine('elif', 'elif lala:', False, (6,
                      1)), Text('            lala\n', (7, 1)),
                      ControlLine('else', 'else:', False, (8, 1)),
                      Text('            hi\n', (9, 1)),
                      ControlLine('if', 'endif', True, (10, 1))]))

    def test_integration(self):
        template = \
            """<%namespace name="foo" file="somefile.html"/>
 ## inherit from foobar.html
<%inherit file="foobar.html"/>

<%def name="header()">
     <div>header</div>
</%def>
<%def name="footer()">
    <div> footer</div>
</%def>

<table>
    % for j in data():
    <tr>
        % for x in j:
            <td>Hello ${x| h}</td>
        % endfor
    </tr>
    % endfor
</table>
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [NamespaceTag('namespace'
                      , {'file': 'somefile.html', 'name': 'foo'},
                      (1, 1), []), Text('\n', (1, 46)),
                      Comment('inherit from foobar.html', (2, 1)),
                      InheritTag('inherit', {'file': 'foobar.html'},
                      (3, 1), []), Text('''\n\n''', (3, 31)),
                      DefTag('def', {'name': 'header()'}, (5, 1),
                      [Text('''\n     <div>header</div>\n''', (5,
                      23))]), Text('\n', (7, 8)), DefTag('def',
                      {'name': 'footer()'}, (8, 1),
                      [Text('''\n    <div> footer</div>\n''', (8,
                      23))]), Text('''\n\n<table>\n''', (10, 8)),
                      ControlLine('for', 'for j in data():', False,
                      (13, 1)), Text('    <tr>\n', (14, 1)),
                      ControlLine('for', 'for x in j:', False, (15,
                      1)), Text('            <td>Hello ', (16, 1)),
                      Expression('x', ['h'], (16, 23)), Text('</td>\n'
                      , (16, 30)), ControlLine('for', 'endfor', True,
                      (17, 1)), Text('    </tr>\n', (18, 1)),
                      ControlLine('for', 'endfor', True, (19, 1)),
                      Text('</table>\n', (20, 1))]))

    def test_comment_after_statement(self):
        template = \
            """
        % if x: #comment
            hi
        % else: #next
            hi
        % endif #end
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({}, [Text('\n', (1, 1)),
                      ControlLine('if', 'if x: #comment', False, (2,
                      1)), Text('            hi\n', (3, 1)),
                      ControlLine('else', 'else: #next', False, (4,
                      1)), Text('            hi\n', (5, 1)),
                      ControlLine('if', 'endif #end', True, (6, 1))]))

    def test_crlf(self):
        template = util.read_file(self._file_path("crlf.html"))
        nodes = Lexer(template).parse()
        self._compare(
            nodes,
            TemplateNode({}, [
                Text('<html>\r\n\r\n', (1, 1)),
                PageTag('page', {
                            'args': "a=['foo',\n                'bar']"
                        }, (3, 1), []),
                Text('\r\n\r\nlike the name says.\r\n\r\n', (4, 26)),
                ControlLine('for', 'for x in [1,2,3]:', False, (8, 1)),
                Text('        ', (9, 1)),
                Expression('x', [], (9, 9)),
                ControlLine('for', 'endfor', True, (10, 1)),
                Text('\r\n', (11, 1)),
                Expression("trumpeter == 'Miles' and "
                                "trumpeter or \\\n      'Dizzy'",
                                [], (12, 1)),
                Text('\r\n\r\n', (13, 15)),
                DefTag('def', {'name': 'hi()'}, (15, 1), [
                    Text('\r\n    hi!\r\n', (15, 19))]),
                    Text('\r\n\r\n</html>\r\n', (17, 8))
                ])
        )
        assert flatten_result(Template(template).render()) \
            == """<html> like the name says. 1 2 3 Dizzy </html>"""

    def test_comments(self):
        template = \
            """
<style>
 #someselector
 # other non comment stuff
</style>
## a comment

# also not a comment

   ## this is a comment

this is ## not a comment

<%doc> multiline
comment
</%doc>

hi
"""
        nodes = Lexer(template).parse()
        self._compare(nodes, TemplateNode({},
                      [Text('''\n<style>\n #someselector\n # '''
                        '''other non comment stuff\n</style>\n''',
                      (1, 1)), Comment('a comment', (6, 1)),
                      Text('''\n# also not a comment\n\n''', (7, 1)),
                      Comment('this is a comment', (10, 1)),
                      Text('''\nthis is ## not a comment\n\n''', (11,
                      1)), Comment(''' multiline\ncomment\n''', (14,
                      1)), Text('''

hi
''', (16, 8))]))

    def test_docs(self):
        template = \
            """
        <%doc>
            this is a comment
        </%doc>
        <%def name="foo()">
            <%doc>
                this is the foo func
            </%doc>
        </%def>
        """
        nodes = Lexer(template).parse()
        self._compare(nodes,
            TemplateNode({}, [Text('\n        ', (1,
              1)),
              Comment('''\n            this is a comment\n        ''',
              (2, 9)), Text('\n        ', (4, 16)),
              DefTag('def', {'name': 'foo()'}, (5, 9),
              [Text('\n            ', (5, 28)),
              Comment('''\n                this is the foo func\n'''
                '''            ''',
              (6, 13)), Text('\n        ', (8, 20))]),
              Text('\n        ', (9, 16))]))

    def test_preprocess(self):

        def preproc(text):
            return re.sub(r'(?<=\n)\s*#[^#]', '##', text)

        template = \
            """
    hi
    # old style comment
# another comment
"""
        nodes = Lexer(template, preprocessor=preproc).parse()
        self._compare(nodes, TemplateNode({}, [Text('''\n    hi\n''',
                      (1, 1)), Comment('old style comment', (3, 1)),
                      Comment('another comment', (4, 1))]))