File: stencil_test.cpp

package info (click to toggle)
glaze 6.4.0-1
  • links: PTS, VCS
  • area: main
  • in suites: forky
  • size: 7,312 kB
  • sloc: cpp: 109,539; sh: 99; ansic: 26; makefile: 13
file content (710 lines) | stat: -rw-r--r-- 25,944 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
// Glaze Library
// For the license information refer to glaze.hpp

#include "glaze/glaze.hpp"
#include "ut/ut.hpp"

using namespace ut;

struct person
{
   std::string first_name{};
   std::string last_name{};
   uint32_t age{};
   bool hungry{};
   bool employed{};
};

struct TodoItem
{
   std::string text;
   bool completed;
   std::string priority;
   std::string category;
   size_t id;
   size_t index;
};

struct TodoList
{
   std::string title;
   std::vector<TodoItem> items;
   bool has_items;
   size_t total_count;
};

suite stencil_tests = [] {
   "todo_list"_test = [] {
      std::string_view layout =
         R"({{#items}} {{text}} {{#completed}}✓ {{/completed}}{{^completed}}○ {{/completed}} {{/items}})";

      TodoList list{
         "Mixed Tasks", {{"Task 1", false, "high", "home", 1, 0}, {"Task 2", true, "low", "home", 1, 0}}, true, 2};

      auto result = glz::stencil(layout, list);
      expect(result == " Task 1 ○   Task 2 ✓  ");
   };

   "person"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{age}})";

      person p{"Henry", "Foster", 34};
      auto result = glz::stencil(layout, p);
      expect(result == "Henry Foster 34");
   };

   "person formatted error"_test = [] {
      std::string_view layout = R"({{bad_key}} {{last_name}} {{age}})";

      person p{"Henry", "Foster", 34};
      auto result = glz::stencil(layout, p);
      expect(result.error());
      auto error_msg = glz::format_error(result, layout);
      expect(error_msg == R"(1:10: unknown_key
   {{bad_key}} {{last_name}} {{age}}
            ^)")
         << error_msg;
   };

   "person"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}}, age: {{age}})";

      person p{"Henry", "Foster", 34};
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Henry Foster, age: 34") << result;
   };

   "person"_test = [] {
      std::string_view layout = R"({{first_name}} {{last}}, age: {{age}})";

      person p{"Henry", "Foster", 34};
      auto result = glz::stencil(layout, p);
      expect(not result.has_value());
      expect(result.error() == glz::error_code::unknown_key);
   };

   "comment"_test = [] {
      std::string_view layout = R"({{first_name}} {{! This is a comment }}{{last_name}})";

      person p{"Henry", "Foster", 34};
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Henry Foster") << result;
   };

   // **Regular Section Tests (#)**

   "section_true"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{#employed}}Employed{{/employed}})";

      person p{"Alice", "Johnson", 28, true, true}; // employed is true
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Alice Johnson Employed") << result;
   };

   "section_false"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{#employed}}Employed{{/employed}})";

      person p{"Bob", "Smith", 45, false, false}; // employed is false
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Bob Smith ") << result; // The section should be skipped
   };

   "section_with_inner_placeholders"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{#employed}}Status: Employed, Age: {{age}}{{/employed}})";

      person p{"Carol", "Davis", 30, true, true};
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Carol Davis Status: Employed, Age: 30") << result;
   };

   "section_with_extra_text"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{#employed}}Employed{{/employed}}. Welcome!)";

      person p{"Dave", "Miller", 40, true, true};
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Dave Miller Employed. Welcome!") << result;
   };

   "section_with_extra_text_skipped"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{#employed}}Employed{{/employed}}. Welcome!)";

      person p{"Eve", "Wilson", 22, true, false}; // employed is false
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Eve Wilson . Welcome!") << result;
   };

   "nested_sections"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{#employed}}Status: Employed {{#hungry}}and Hungry{{/hungry}}{{/employed}})";

      person p1{"Frank", "Taylor", 50, true, true}; // employed is true, hungry is true
      auto result1 = glz::stencil(layout, p1);
      expect(result1 == "Frank Taylor Status: Employed and Hungry");

      person p2{"Grace", "Anderson", 0, false, true}; // employed is true, hungry is false
      auto result2 = glz::stencil(layout, p2);
      expect(result2 == "Grace Anderson Status: Employed ") << result2.value();
   };

   "section_unknown_key"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{#unknown}}Should not appear{{/unknown}})";

      person p{"Henry", "Foster", 34, false, true};
      auto result = glz::stencil(layout, p);
      expect(not result.has_value());
      expect(result.error() == glz::error_code::unknown_key);
   };

   "section_mismatched_closing_tag"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{#employed}}Employed{{/employment}})"; // Mismatched closing tag

      person p{"Ivy", "Thomas", 29, false, true};
      auto result = glz::stencil(layout, p);
      expect(not result.has_value());
      expect(result.error() == glz::error_code::unexpected_end);
   };

   // **Inverted Section Tests**

   "inverted_section_true"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry{{/hungry}})";

      person p{"Henry", "Foster", 34, false}; // hungry is false
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Henry Foster I'm not hungry") << result;
   };

   "inverted_section_false"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry{{/hungry}})";

      person p{"Henry", "Foster", 34, true}; // hungry is true
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Henry Foster ") << result; // The inverted section should be skipped
   };

   "inverted_section_with_extra_text_true"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry{{/hungry}}. Have a nice day!)";

      person p{"Henry", "Foster", 34, false}; // hungry is false
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Henry Foster I'm not hungry. Have a nice day!") << result;
   };

   "inverted_section_with_extra_text_false"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry{{/hungry}}. Have a nice day!)";

      person p{"Henry", "Foster", 34, true}; // hungry is true
      auto result = glz::stencil(layout, p).value_or("error");
      expect(result == "Henry Foster . Have a nice day!") << result;
   };

   "nested_inverted_section"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry {{^employed}}and not employed{{/employed}}{{/hungry}})";

      person p1{"Henry", "Foster", 34, false, false};
      auto result1 = glz::stencil(layout, p1).value_or("error");
      expect(result1 == "Henry Foster I'm not hungry and not employed") << result1;

      person p2{"Henry", "Foster", 34, false, true};
      auto result2 = glz::stencil(layout, p2).value_or("error");
      expect(result2 == "Henry Foster I'm not hungry ") << result2;

      person p3{"Henry", "Foster", 34, true, false};
      std::string_view layout_skip =
         R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry {{^employed}}and not employed{{/employed}}{{/hungry}})";
      auto result3 = glz::stencil(layout_skip, p3).value_or("error");
      expect(result3 == "Henry Foster ") << result3;
   };

   "inverted_section_unknown_key"_test = [] {
      std::string_view layout = R"({{first_name}} {{last_name}} {{^unknown}}Should not appear{{/unknown}})";

      person p{"Henry", "Foster", 34, false};
      auto result = glz::stencil(layout, p);
      expect(not result.has_value());
      expect(result.error() == glz::error_code::unknown_key);
   };

   "inverted_section_mismatched_closing_tag"_test = [] {
      std::string_view layout =
         R"({{first_name}} {{last_name}} {{^hungry}}I'm not hungry{{/hunger}})"; // Mismatched closing tag

      person p{"Henry", "Foster", 34, false};
      auto result = glz::stencil(layout, p);
      expect(not result.has_value());
      expect(result.error() == glz::error_code::unexpected_end);
   };
};

struct html_content
{
   std::string title{};
   std::string description{};
   std::string raw_html{};
   std::string safe_text{};
};

struct person_with_html
{
   std::string description = "Working <hard>";
   std::string raw_html = "<strong>Employed</strong>";
   bool employed = true;
};

suite mustache_tests = [] {
   "double_braces_escape_html"_test = [] {
      std::string_view layout = R"(<h1>{{title}}</h1><p>{{description}}</p>)";

      html_content content{"My <Script> Title", "A description with & ampersands and \"quotes\"", "", ""};

      auto result = glz::mustache(layout, content).value_or("error");
      expect(result ==
             "<h1>My &lt;Script&gt; Title</h1><p>A description with &amp; ampersands and &quot;quotes&quot;</p>")
         << result;
   };

   "triple_braces_no_escape"_test = [] {
      std::string_view layout = R"(<div>{{{raw_html}}}</div>)";

      html_content content{"", "", "<strong>Bold text</strong> & <em>italic</em>", ""};

      auto result = glz::mustache(layout, content).value_or("error");
      expect(result == "<div><strong>Bold text</strong> & <em>italic</em></div>") << result;
   };

   "mixed_escaping"_test = [] {
      std::string_view layout = R"(<h1>{{title}}</h1><div>{{{raw_html}}}</div><p>{{description}}</p>)";

      html_content content{"Article <Title>", "Safe & sound content", "<span class=\"highlight\">Important!</span>",
                           ""};

      auto result = glz::mustache(layout, content).value_or("error");
      std::string expected =
         "<h1>Article &lt;Title&gt;</h1>"
         "<div><span class=\"highlight\">Important!</span></div>"
         "<p>Safe &amp; sound content</p>";
      expect(result == expected) << result;
   };

   "all_html_entities_escaped"_test = [] {
      std::string_view layout = R"({{safe_text}})";

      html_content content{"", "", "", "<>&\"'"};

      auto result = glz::mustache(layout, content).value_or("error");
      expect(result == "&lt;&gt;&amp;&quot;&#x27;") << result;
   };

   "triple_braces_preserve_all_chars"_test = [] {
      std::string_view layout = R"({{{raw_html}}})";

      html_content content{"", "", "<>&\"'", ""};

      auto result = glz::mustache(layout, content).value_or("error");
      expect(result == "<>&\"'") << result;
   };

   "section_with_html_escaping"_test = [] {
      std::string_view layout = R"({{#employed}}<p>Status: {{description}} & {{{raw_html}}}</p>{{/employed}})";

      person_with_html p;
      auto result = glz::mustache(layout, p).value_or("error");
      expect(result == "<p>Status: Working &lt;hard&gt; & <strong>Employed</strong></p>") << result;
   };

   "empty_content_handling"_test = [] {
      std::string_view layout = R"(Before: {{title}} | {{{raw_html}}} | After)";

      html_content content{"", "", "", ""};

      auto result = glz::mustache(layout, content).value_or("error");
      expect(result == "Before:  |  | After") << result;
   };

   "malformed_triple_braces"_test = [] {
      std::string_view layout = R"({{{title}})"; // Missing closing brace

      html_content content{"Test", "", "", ""};

      auto result = glz::mustache(layout, content);
      expect(not result.has_value());
      expect(result.error() == glz::error_code::syntax_error);
   };

   "nested_quotes_escaping"_test = [] {
      std::string_view layout = R"(<div title="{{description}}">Content</div>)";

      html_content content{"", "A \"quoted\" value with 'apostrophes'", "", ""};

      auto result = glz::mustache(layout, content).value_or("error");
      expect(result == "<div title=\"A &quot;quoted&quot; value with &#x27;apostrophes&#x27;\">Content</div>")
         << result;
   };
};

suite mustache_example_tests = [] {
   "blog_post_template"_test = [] {
      std::string_view blog_template = R"(
<!DOCTYPE html>
<html>
<head>
    <title>{{title}}</title>
</head>
<body>
    <h1>{{title}}</h1>
    <p>{{description}}</p>
    <div class="content">
        {{{raw_html}}}
    </div>
</body>
</html>)";

      html_content blog_post{"My <Amazing> Blog Post", "This post discusses \"HTML\" & safety",
                             "<p>This is <strong>formatted content</strong> that should render as HTML.</p>", ""};

      auto result = glz::mustache(blog_template, blog_post).value_or("error");

      // Check that title is escaped in both places
      expect(result.find("My &lt;Amazing&gt; Blog Post") != std::string::npos) << "Title should be escaped";
      // Check that description is escaped
      expect(result.find("This post discusses &quot;HTML&quot; &amp; safety") != std::string::npos)
         << "Description should be escaped";
      // Check that raw HTML is preserved
      expect(result.find("<p>This is <strong>formatted content</strong>") != std::string::npos)
         << "Raw HTML should be preserved";
   };
};

struct Person
{
   std::string name;
   uint32_t age;
   bool active;
};

struct Team
{
   std::string name;
   std::vector<Person> members;
   bool has_members;
};

// User's original structs
struct TodoItemData
{
   std::string text;
   bool completed;
   std::string css_class;
   size_t id;
   size_t index;
   std::string priority;
   std::string category;
   std::string priority_class;
};

struct TodoListData
{
   std::string component_id;
   std::vector<TodoItemData> items;
   bool has_items;
   size_t total_items;
   size_t completed_items;
   size_t pending_items;
};

suite mustache_container_iteration_tests = [] {
   "basic_container_iteration"_test = [] {
      std::string_view layout = R"({{title}}: {{#items}}{{text}} {{/items}})";

      TodoList list{
         "My Tasks", {{"Task 1", false, "high", "work", 1, 0}, {"Task 2", true, "low", "personal", 2, 1}}, true, 2};

      auto result = glz::mustache(layout, list).value_or("error");
      expect(result == "My Tasks: Task 1 Task 2 ") << result;
   };

   "container_with_multiple_properties"_test = [] {
      std::string_view layout = R"({{#items}}[{{id}}:{{text}}:{{priority}}] {{/items}})";

      TodoList list{"Tasks",
                    {{"Buy milk", false, "normal", "shopping", 1, 0}, {"Call mom", true, "high", "personal", 2, 1}},
                    true,
                    2};

      auto result = glz::mustache(layout, list).value_or("error");
      expect(result == "[1:Buy milk:normal] [2:Call mom:high] ") << result;
   };

   "empty_container_iteration"_test = [] {
      std::string_view layout = R"({{title}}: {{#items}}{{text}}{{/items}})";

      TodoList empty_list{"Empty List", {}, false, 0};

      auto result = glz::mustache(layout, empty_list).value_or("error");
      expect(result == "Empty List: ") << result;
   };

   "container_with_nested_boolean_sections"_test = [] {
      std::string_view layout =
         R"({{#items}}{{text}} {{#completed}}✓{{/completed}}{{^completed}}○{{/completed}} {{/items}})";

      TodoList list{"Mixed Tasks",
                    {{"Task 1", false, "high", "work", 1, 0},
                     {"Task 2", true, "low", "personal", 2, 1},
                     {"Task 3", false, "normal", "home", 3, 2}},
                    true,
                    3};

      auto result = glz::mustache(layout, list).value_or("error");
      expect(result == "Task 1 ○ Task 2 ✓ Task 3 ○ ") << result;
   };

   "inverted_container_section_empty"_test = [] {
      std::string_view layout = R"({{title}}{{^items}} - No items found{{/items}})";

      TodoList empty_list{"Empty List", {}, false, 0};

      auto result = glz::mustache(layout, empty_list).value_or("error");
      expect(result == "Empty List - No items found") << result;
   };

   "inverted_container_section_not_empty"_test = [] {
      std::string_view layout = R"({{title}}{{^items}} - No items found{{/items}})";

      TodoList list{"Tasks", {{"Task 1", false, "high", "work", 1, 0}}, true, 1};

      auto result = glz::mustache(layout, list).value_or("error");
      expect(result == "Tasks") << result;
   };

   "mixed_boolean_and_container_sections"_test = [] {
      std::string_view layout =
         R"({{title}} {{#has_items}}({{total_count}} items): {{#items}}{{text}}{{#completed}} ✓{{/completed}} | {{/items}}{{/has_items}}{{^has_items}}No items yet{{/has_items}})";

      TodoList list_with_items{
         "Active List", {{"Task 1", true, "high", "work", 1, 0}, {"Task 2", false, "low", "personal", 2, 1}}, true, 2};

      auto result1 = glz::mustache(layout, list_with_items).value_or("error");
      expect(result1 == "Active List (2 items): Task 1 ✓ | Task 2 | ") << result1;

      TodoList empty_list{"Empty List", {}, false, 0};
      auto result2 = glz::mustache(layout, empty_list).value_or("error");
      expect(result2 == "Empty List No items yet") << result2;
   };

   "container_iteration_with_html_escaping"_test = [] {
      std::string_view layout = R"({{#items}}<p>{{text}}</p>{{/items}})";

      TodoList list{"HTML Test", {{"<script>alert('test')</script>", false, "high", "security", 1, 0}}, true, 1};

      auto result = glz::mustache(layout, list).value_or("error");
      expect(result == "<p>&lt;script&gt;alert(&#x27;test&#x27;)&lt;/script&gt;</p>") << result;
   };

   "nested_container_structures"_test = [] {
      std::string_view layout = R"({{name}}: {{#members}}{{name}} ({{age}}){{#active}} *{{/active}} | {{/members}})";

      Team team{"Engineering", {{"Alice", 30, true}, {"Bob", 25, false}, {"Charlie", 35, true}}, true};

      auto result = glz::mustache(layout, team).value_or("error");
      expect(result == "Engineering: Alice (30) * | Bob (25) | Charlie (35) * | ") << result;
   };
};

suite mustache_list_template_tests = [] {
   "list_template"_test = [] {
      std::string_view layout = R"(
<div class="todo-list" data-component-id="{{component_id}}">
  <h2>Todo List</h2>
  <div class="stats">
    <span>Total: {{total_items}}</span>
    <span>Completed: {{completed_items}}</span>
    <span>Pending: {{pending_items}}</span>
  </div>
  {{#has_items}}
  <ul class="todo-items">
    {{#items}}
    <li class="todo-item {{css_class}} {{priority_class}}" data-id="{{id}}">
      <span class="todo-text">{{text}}</span>
      <span class="todo-status">{{#completed}}☑{{/completed}}{{^completed}}☐{{/completed}}</span>
      <span class="priority priority-{{priority}}">{{priority}}</span>
      <span class="category">{{category}}</span>
    </li>
    {{/items}}
  </ul>
  {{/has_items}}
  {{^has_items}}
  <div class="empty-state">
    <p>No items yet. Add some above!</p>
  </div>
  {{/has_items}}
</div>)";

      TodoListData data{"todo-123",
                        {{"Buy groceries", false, "pending", 1, 0, "high", "shopping", "priority-high"},
                         {"Finish report", true, "completed", 2, 1, "normal", "work", "priority-normal"},
                         {"Call dentist", false, "pending", 3, 2, "low", "health", "priority-low"}},
                        true,
                        3,
                        1,
                        2};

      auto result = glz::mustache(layout, data).value_or("error");

      // Verify key components are present
      expect(result.find("data-component-id=\"todo-123\"") != std::string::npos) << "Component ID should be rendered";
      expect(result.find("Total: 3") != std::string::npos) << "Total items should be rendered";
      expect(result.find("Completed: 1") != std::string::npos) << "Completed count should be rendered";
      expect(result.find("Pending: 2") != std::string::npos) << "Pending count should be rendered";

      // Check items are rendered
      expect(result.find("Buy groceries") != std::string::npos) << "First item text should be present";
      expect(result.find("Finish report") != std::string::npos) << "Second item text should be present";
      expect(result.find("Call dentist") != std::string::npos) << "Third item text should be present";

      // Check data attributes and classes
      expect(result.find("data-id=\"1\"") != std::string::npos) << "First item ID should be present";
      expect(result.find("data-id=\"2\"") != std::string::npos) << "Second item ID should be present";
      expect(result.find("data-id=\"3\"") != std::string::npos) << "Third item ID should be present";

      expect(result.find("class=\"todo-item pending priority-high\"") != std::string::npos)
         << "First item classes should be present";
      expect(result.find("class=\"todo-item completed priority-normal\"") != std::string::npos)
         << "Second item classes should be present";

      // Check completion status
      expect(result.find("☐") != std::string::npos) << "Unchecked boxes should be present";
      expect(result.find("☑") != std::string::npos) << "Checked box should be present";

      // Check priorities and categories
      expect(result.find("priority-high") != std::string::npos) << "High priority should be present";
      expect(result.find("shopping") != std::string::npos) << "Shopping category should be present";
      expect(result.find("work") != std::string::npos) << "Work category should be present";
      expect(result.find("health") != std::string::npos) << "Health category should be present";

      // Ensure empty state is not shown
      expect(result.find("No items yet") == std::string::npos) << "Empty state should not be shown";
   };

   "user_empty_todo_list"_test = [] {
      std::string_view layout = R"(
<div class="todo-list" data-component-id="{{component_id}}">
  <h2>Todo List</h2>
  {{#has_items}}
  <ul class="todo-items">
    {{#items}}
    <li>{{text}}</li>
    {{/items}}
  </ul>
  {{/has_items}}
  {{^has_items}}
  <div class="empty-state">
    <p>No items yet. Add some above!</p>
  </div>
  {{/has_items}}
</div>)";

      TodoListData empty_data{"empty-todo", {}, false, 0, 0, 0};

      auto result = glz::mustache(layout, empty_data).value_or("error");

      expect(result.find("data-component-id=\"empty-todo\"") != std::string::npos) << "Component ID should be rendered";
      expect(result.find("No items yet. Add some above!") != std::string::npos) << "Empty state should be shown";
      expect(result.find("<ul class=\"todo-items\">") == std::string::npos) << "Items list should not be present";
   };

   "user_htmx_form_template"_test = [] {
      std::string_view layout = R"(
<div class="todo-list" data-component-id="{{component_id}}">
  <form hx-post="/api/todo/addTodo" hx-target="closest .todo-list" hx-swap="outerHTML">
    <input type="text" name="text" placeholder="Add new item..." required />
    <button type="submit">Add</button>
  </form>
  {{#has_items}}
  <ul class="todo-items">
    {{#items}}
    <li class="todo-item" data-id="{{id}}">
      <form hx-post="/api/todo/toggleTodo" hx-target="closest .todo-list" hx-swap="outerHTML">
        <input type="hidden" name="index" value="{{index}}" />
        <button type="submit">{{#completed}}☑{{/completed}}{{^completed}}☐{{/completed}}</button>
      </form>
      <span>{{text}}</span>
      <form hx-post="/api/todo/deleteTodo" hx-target="closest .todo-list" hx-swap="outerHTML">
        <input type="hidden" name="index" value="{{index}}" />
        <button type="submit">🗑</button>
      </form>
    </li>
    {{/items}}
  </ul>
  {{/has_items}}
</div>)";

      TodoListData data{
         "htmx-todo", {{"Test HTMX", false, "testing", 1, 0, "normal", "dev", "priority-normal"}}, true, 1, 0, 1};

      auto result = glz::mustache(layout, data).value_or("error");

      // Verify HTMX attributes are preserved and not parsed as template syntax
      expect(result.find("hx-post=\"/api/todo/addTodo\"") != std::string::npos)
         << "HTMX post attribute should be preserved";
      expect(result.find("hx-target=\"closest .todo-list\"") != std::string::npos)
         << "HTMX target attribute should be preserved";
      expect(result.find("hx-swap=\"outerHTML\"") != std::string::npos) << "HTMX swap attribute should be preserved";
      expect(result.find("value=\"0\"") != std::string::npos) << "Index value should be rendered";
      expect(result.find("Test HTMX") != std::string::npos) << "Item text should be present";
      expect(result.find("☐") != std::string::npos) << "Unchecked box should be present";
   };
};

#include "glaze/stencil/stencilcount.hpp"

suite stencilcount_tests = [] {
   "basic docstencil"_test = [] {
      std::string_view layout = R"(# About
## {{+}} {{first_name}} {{last_name}}
{{++}} {{first_name}} is {{age}} years old.

## {{+}} Hobbies
{{++}} Outdoor
{{+++}} Running
{{+++}} Hiking
{{+++}} Camping
{{++}} Indoor
{{+++}} Board Games
{{+++}} Cooking

## {{+}} Education
{{++}} College
{{+++}} Math
{{+++}} English
)";

      person p{"Henry", "Foster", 34};
      auto result = glz::stencilcount(layout, p).value_or("error");
      expect(result == R"(# About
## 1. Henry Foster
1.1 Henry is 34 years old.

## 2. Hobbies
2.1 Outdoor
2.1.1 Running
2.1.2 Hiking
2.1.3 Camping
2.1 Indoor
2.1.1 Board Games
2.1.2 Cooking

## 3. Education
3.1 College
3.1.1 Math
3.1.2 English
)") << result;
   };
};

int main() { return 0; }