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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library template_binding.test.node_bindings_test; | |
| 6 | |
| 7 import 'dart:html'; | |
| 8 | |
| 9 @MirrorsUsed(targets: const [NodeBinding], override: | |
| 10 'template_binding.test.node_bindings_test') | |
| 11 import 'dart:mirrors'; | |
| 12 | |
| 13 import 'package:observe/observe.dart' show toObservable, PathObserver; | |
| 14 import 'package:template_binding/template_binding.dart' | |
| 15 show nodeBind, NodeBinding; | |
| 16 import 'package:unittest/html_config.dart'; | |
| 17 import 'package:unittest/unittest.dart'; | |
| 18 import 'utils.dart'; | |
| 19 | |
| 20 // Note: this file ported from | |
| 21 // https://github.com/toolkitchen/mdv/blob/master/tests/node_bindings.js | |
| 22 | |
| 23 main() { | |
| 24 useHtmlConfiguration(); | |
| 25 | |
| 26 setUp(() { | |
| 27 document.body.append(testDiv = new DivElement()); | |
| 28 }); | |
| 29 | |
| 30 tearDown(() { | |
| 31 testDiv.remove(); | |
| 32 testDiv = null; | |
| 33 }); | |
| 34 | |
| 35 | |
| 36 group('Text bindings', testBindings); | |
| 37 group('Element attribute bindings', elementBindings); | |
| 38 group('Form Element bindings', formBindings); | |
| 39 } | |
| 40 | |
| 41 testBindings() { | |
| 42 observeTest('Basic', () { | |
| 43 var text = new Text('hi'); | |
| 44 var model = toObservable({'a': 1}); | |
| 45 nodeBind(text).bind('text', model, 'a'); | |
| 46 expect(text.text, '1'); | |
| 47 | |
| 48 model['a'] = 2; | |
| 49 performMicrotaskCheckpoint(); | |
| 50 expect(text.text, '2'); | |
| 51 | |
| 52 nodeBind(text).unbind('text'); | |
| 53 model['a'] = 3; | |
| 54 performMicrotaskCheckpoint(); | |
| 55 expect(text.text, '2'); | |
| 56 | |
| 57 // TODO(rafaelw): Throw on binding to unavailable property? | |
| 58 }); | |
| 59 | |
| 60 observeTest('No Path', () { | |
| 61 var text = new Text('hi'); | |
| 62 var model = 1; | |
| 63 nodeBind(text).bind('text', model); | |
| 64 expect(text.text, '1'); | |
| 65 }); | |
| 66 | |
| 67 observeTest('Path unreachable', () { | |
| 68 var text = testDiv.append(new Text('hi')); | |
| 69 var model = 1; | |
| 70 nodeBind(text).bind('text', model, 'a'); | |
| 71 expect(text.text, ''); | |
| 72 }); | |
| 73 | |
| 74 observeTest('Observer is Model', () { | |
| 75 _observer(x) => reflect(x).getField( | |
| 76 privateSymbol(NodeBinding, '_observer')).reflectee; | |
| 77 | |
| 78 var text = new Text(''); | |
| 79 var model = toObservable({'a': {'b': {'c': 1}}}); | |
| 80 var observer = new PathObserver(model, 'a.b.c'); | |
| 81 nodeBind(text).bind('text', observer, 'value'); | |
| 82 expect(text.text, '1'); | |
| 83 | |
| 84 var binding = nodeBind(text).bindings['text']; | |
| 85 expect(binding, isNotNull); | |
| 86 expect(privateField(binding, '_observer'), observer, | |
| 87 reason: 'should reuse observer'); | |
| 88 | |
| 89 model['a']['b']['c'] = 2; | |
| 90 performMicrotaskCheckpoint(); | |
| 91 expect(text.text, '2'); | |
| 92 nodeBind(text).unbind('text'); | |
| 93 }); | |
| 94 } | |
| 95 | |
| 96 elementBindings() { | |
| 97 observeTest('Basic', () { | |
| 98 var el = new DivElement(); | |
| 99 var model = toObservable({'a': '1'}); | |
| 100 nodeBind(el).bind('foo', model, 'a'); | |
| 101 performMicrotaskCheckpoint(); | |
| 102 expect(el.attributes['foo'], '1'); | |
| 103 | |
| 104 model['a'] = '2'; | |
| 105 performMicrotaskCheckpoint(); | |
| 106 expect(el.attributes['foo'], '2'); | |
| 107 | |
| 108 model['a'] = 232.2; | |
| 109 performMicrotaskCheckpoint(); | |
| 110 expect(el.attributes['foo'], '232.2'); | |
| 111 | |
| 112 model['a'] = 232; | |
| 113 performMicrotaskCheckpoint(); | |
| 114 expect(el.attributes['foo'], '232'); | |
| 115 | |
| 116 model['a'] = null; | |
| 117 performMicrotaskCheckpoint(); | |
| 118 expect(el.attributes['foo'], ''); | |
| 119 }); | |
| 120 | |
| 121 observeTest('No Path', () { | |
| 122 var el = testDiv.append(new DivElement()); | |
| 123 var model = 1; | |
| 124 nodeBind(el).bind('foo', model); | |
| 125 expect(el.attributes['foo'], '1'); | |
| 126 }); | |
| 127 | |
| 128 observeTest('Path unreachable', () { | |
| 129 var el = testDiv.append(new DivElement()); | |
| 130 var model = toObservable({}); | |
| 131 nodeBind(el).bind('foo', model, 'bar'); | |
| 132 expect(el.attributes['foo'], ''); | |
| 133 }); | |
| 134 | |
| 135 observeTest('Dashes', () { | |
| 136 var el = testDiv.append(new DivElement()); | |
| 137 var model = toObservable({'a': '1'}); | |
| 138 nodeBind(el).bind('foo-bar', model, 'a'); | |
| 139 performMicrotaskCheckpoint(); | |
| 140 expect(el.attributes['foo-bar'], '1'); | |
| 141 | |
| 142 model['a'] = '2'; | |
| 143 performMicrotaskCheckpoint(); | |
| 144 expect(el.attributes['foo-bar'], '2'); | |
| 145 }); | |
| 146 | |
| 147 observeTest('Element.id, Element.hidden?', () { | |
| 148 var element = new DivElement(); | |
| 149 var model = toObservable({'a': 1, 'b': 2}); | |
| 150 nodeBind(element).bind('hidden?', model, 'a'); | |
| 151 nodeBind(element).bind('id', model, 'b'); | |
| 152 | |
| 153 expect(element.attributes, contains('hidden')); | |
| 154 expect(element.attributes['hidden'], ''); | |
| 155 expect(element.id, '2'); | |
| 156 | |
| 157 model['a'] = null; | |
| 158 performMicrotaskCheckpoint(); | |
| 159 expect(element.attributes, isNot(contains('hidden')), | |
| 160 reason: 'null is false-y'); | |
| 161 | |
| 162 model['a'] = false; | |
| 163 performMicrotaskCheckpoint(); | |
| 164 expect(element.attributes, isNot(contains('hidden'))); | |
| 165 | |
| 166 model['a'] = 'foo'; | |
| 167 model['b'] = 'x'; | |
| 168 performMicrotaskCheckpoint(); | |
| 169 expect(element.attributes, contains('hidden')); | |
| 170 expect(element.attributes['hidden'], ''); | |
| 171 expect(element.id, 'x'); | |
| 172 }); | |
| 173 | |
| 174 observeTest('Element.id - path unreachable', () { | |
| 175 var element = testDiv.append(new DivElement()); | |
| 176 var model = toObservable({}); | |
| 177 nodeBind(element).bind('id', model, 'a'); | |
| 178 expect(element.id, ''); | |
| 179 }); | |
| 180 } | |
| 181 | |
| 182 formBindings() { | |
| 183 inputTextAreaValueTest(String tagName) { | |
| 184 var el = new Element.tag(tagName); | |
| 185 testDiv.nodes.add(el); | |
| 186 var model = toObservable({'x': 42}); | |
| 187 nodeBind(el).bind('value', model, 'x'); | |
| 188 expect(el.value, '42'); | |
| 189 | |
| 190 model['x'] = 'Hi'; | |
| 191 expect(el.value, '42', reason: 'changes delivered async'); | |
| 192 performMicrotaskCheckpoint(); | |
| 193 expect(el.value, 'Hi'); | |
| 194 | |
| 195 el.value = 'changed'; | |
| 196 dispatchEvent('input', el); | |
| 197 expect(model['x'], 'changed'); | |
| 198 | |
| 199 nodeBind(el).unbind('value'); | |
| 200 | |
| 201 el.value = 'changed again'; | |
| 202 dispatchEvent('input', el); | |
| 203 expect(model['x'], 'changed'); | |
| 204 | |
| 205 nodeBind(el).bind('value', model, 'x'); | |
| 206 model['x'] = null; | |
| 207 performMicrotaskCheckpoint(); | |
| 208 expect(el.value, ''); | |
| 209 } | |
| 210 | |
| 211 inputTextAreaNoPath(String tagName) { | |
| 212 var el = testDiv.append(new Element.tag(tagName)); | |
| 213 var model = 42; | |
| 214 nodeBind(el).bind('value', model); | |
| 215 expect(el.value, '42'); | |
| 216 } | |
| 217 | |
| 218 inputTextAreaPathUnreachable(String tagName) { | |
| 219 var el = testDiv.append(new Element.tag(tagName)); | |
| 220 var model = toObservable({}); | |
| 221 nodeBind(el).bind('value', model, 'a'); | |
| 222 expect(el.value, ''); | |
| 223 } | |
| 224 | |
| 225 observeTest('Input.value', | |
| 226 () => inputTextAreaValueTest('input')); | |
| 227 observeTest('Input.value - no path', | |
| 228 () => inputTextAreaNoPath('input')); | |
| 229 observeTest('Input.value - path unreachable', | |
| 230 () => inputTextAreaPathUnreachable('input')); | |
| 231 observeTest('TextArea.value', | |
| 232 () => inputTextAreaValueTest('textarea')); | |
| 233 observeTest('TextArea.value - no path', | |
| 234 () => inputTextAreaNoPath('textarea')); | |
| 235 observeTest('TextArea.value - path unreachable', | |
| 236 () => inputTextAreaPathUnreachable('textarea')); | |
| 237 | |
| 238 observeTest('Radio Input', () { | |
| 239 var input = new InputElement(); | |
| 240 input.type = 'radio'; | |
| 241 var model = toObservable({'x': true}); | |
| 242 nodeBind(input).bind('checked', model, 'x'); | |
| 243 expect(input.checked, true); | |
| 244 | |
| 245 model['x'] = false; | |
| 246 expect(input.checked, true); | |
| 247 performMicrotaskCheckpoint(); | |
| 248 expect(input.checked, false,reason: 'model change should update checked'); | |
| 249 | |
| 250 input.checked = true; | |
| 251 dispatchEvent('change', input); | |
| 252 expect(model['x'], true, reason: 'input.checked should set model'); | |
| 253 | |
| 254 nodeBind(input).unbind('checked'); | |
| 255 | |
| 256 input.checked = false; | |
| 257 dispatchEvent('change', input); | |
| 258 expect(model['x'], true, | |
| 259 reason: 'disconnected binding should not fire'); | |
| 260 }); | |
| 261 | |
| 262 observeTest('Input.value - user value rejected', () { | |
| 263 var model = toObservable({'val': 'ping'}); | |
| 264 | |
| 265 var el = new InputElement(); | |
| 266 nodeBind(el).bind('value', model, 'val'); | |
| 267 performMicrotaskCheckpoint(); | |
| 268 expect(el.value, 'ping'); | |
| 269 | |
| 270 el.value = 'pong'; | |
| 271 dispatchEvent('input', el); | |
| 272 expect(model['val'], 'pong'); | |
| 273 | |
| 274 // Try a deep path. | |
| 275 model = toObservable({'a': {'b': {'c': 'ping'}}}); | |
| 276 | |
| 277 nodeBind(el).bind('value', model, 'a.b.c'); | |
| 278 performMicrotaskCheckpoint(); | |
| 279 expect(el.value, 'ping'); | |
| 280 | |
| 281 el.value = 'pong'; | |
| 282 dispatchEvent('input', el); | |
| 283 expect(new PathObserver(model, 'a.b.c').value, 'pong'); | |
| 284 | |
| 285 // Start with the model property being absent. | |
| 286 model['a']['b'].remove('c'); | |
| 287 performMicrotaskCheckpoint(); | |
| 288 expect(el.value, ''); | |
| 289 | |
| 290 el.value = 'pong'; | |
| 291 dispatchEvent('input', el); | |
| 292 expect(new PathObserver(model, 'a.b.c').value, 'pong'); | |
| 293 performMicrotaskCheckpoint(); | |
| 294 | |
| 295 // Model property unreachable (and unsettable). | |
| 296 model['a'].remove('b'); | |
| 297 performMicrotaskCheckpoint(); | |
| 298 expect(el.value, ''); | |
| 299 | |
| 300 el.value = 'pong'; | |
| 301 dispatchEvent('input', el); | |
| 302 expect(new PathObserver(model, 'a.b.c').value, null); | |
| 303 }); | |
| 304 | |
| 305 observeTest('(Checkbox)Input.checked', () { | |
| 306 var el = testDiv.append(new InputElement()); | |
| 307 el.type = 'checkbox'; | |
| 308 | |
| 309 var model = toObservable({'x': true}); | |
| 310 nodeBind(el).bind('checked', model, 'x'); | |
| 311 expect(el.checked, true); | |
| 312 | |
| 313 model['x'] = false; | |
| 314 expect(el.checked, true, reason: 'changes delivered async'); | |
| 315 performMicrotaskCheckpoint(); | |
| 316 expect(el.checked, false); | |
| 317 | |
| 318 el.click(); | |
| 319 expect(model['x'], true); | |
| 320 performMicrotaskCheckpoint(); | |
| 321 | |
| 322 el.click(); | |
| 323 expect(model['x'], false); | |
| 324 }); | |
| 325 | |
| 326 observeTest('(Checkbox)Input.checked - path unreachable', () { | |
| 327 var input = testDiv.append(new InputElement()); | |
| 328 input.type = 'checkbox'; | |
| 329 var model = toObservable({}); | |
| 330 nodeBind(input).bind('checked', model, 'x'); | |
| 331 expect(input.checked, false); | |
| 332 }); | |
| 333 | |
| 334 observeTest('(Checkbox)Input.checked 2', () { | |
| 335 var model = toObservable({'val': true}); | |
| 336 | |
| 337 var el = testDiv.append(new InputElement()); | |
| 338 el.type = 'checkbox'; | |
| 339 nodeBind(el).bind('checked', model, 'val'); | |
| 340 performMicrotaskCheckpoint(); | |
| 341 expect(el.checked, true); | |
| 342 | |
| 343 model['val'] = false; | |
| 344 performMicrotaskCheckpoint(); | |
| 345 expect(el.checked, false); | |
| 346 | |
| 347 el.click(); | |
| 348 expect(model['val'], true); | |
| 349 | |
| 350 el.click(); | |
| 351 expect(model['val'], false); | |
| 352 | |
| 353 el.onClick.listen((_) { | |
| 354 expect(model['val'], true); | |
| 355 }); | |
| 356 el.onChange.listen((_) { | |
| 357 expect(model['val'], true); | |
| 358 }); | |
| 359 | |
| 360 el.dispatchEvent(new MouseEvent('click', view: window)); | |
| 361 }); | |
| 362 | |
| 363 observeTest('(Checkbox)Input.checked - binding updated on click', () { | |
| 364 var model = toObservable({'val': true}); | |
| 365 | |
| 366 var el = new InputElement(); | |
| 367 testDiv.append(el); | |
| 368 el.type = 'checkbox'; | |
| 369 nodeBind(el).bind('checked', model, 'val'); | |
| 370 performMicrotaskCheckpoint(); | |
| 371 expect(el.checked, true); | |
| 372 | |
| 373 el.onClick.listen((_) { | |
| 374 expect(model['val'], false); | |
| 375 }); | |
| 376 | |
| 377 el.dispatchEvent(new MouseEvent('click', view: window)); | |
| 378 }); | |
| 379 | |
| 380 observeTest('(Checkbox)Input.checked - binding updated on change', () { | |
| 381 var model = toObservable({'val': true}); | |
| 382 | |
| 383 var el = new InputElement(); | |
| 384 testDiv.append(el); | |
| 385 el.type = 'checkbox'; | |
| 386 nodeBind(el).bind('checked', model, 'val'); | |
| 387 performMicrotaskCheckpoint(); | |
| 388 expect(el.checked, true); | |
| 389 | |
| 390 el.onChange.listen((_) { | |
| 391 expect(model['val'], false); | |
| 392 }); | |
| 393 | |
| 394 el.dispatchEvent(new MouseEvent('click', view: window)); | |
| 395 }); | |
| 396 | |
| 397 observeTest('(Radio)Input.checked', () { | |
| 398 var input = testDiv.append(new InputElement()); | |
| 399 input.type = 'radio'; | |
| 400 var model = toObservable({'x': true}); | |
| 401 nodeBind(input).bind('checked', model, 'x'); | |
| 402 expect(input.checked, true); | |
| 403 | |
| 404 model['x'] = false; | |
| 405 expect(input.checked, true); | |
| 406 performMicrotaskCheckpoint(); | |
| 407 expect(input.checked, false); | |
| 408 | |
| 409 input.checked = true; | |
| 410 dispatchEvent('change', input); | |
| 411 expect(model['x'], true); | |
| 412 | |
| 413 nodeBind(input).unbind('checked'); | |
| 414 | |
| 415 input.checked = false; | |
| 416 dispatchEvent('change', input); | |
| 417 expect(model['x'], true); | |
| 418 }); | |
| 419 | |
| 420 radioInputChecked2(host) { | |
| 421 var model = toObservable({'val1': true, 'val2': false, 'val3': false, | |
| 422 'val4': true}); | |
| 423 var RADIO_GROUP_NAME = 'test'; | |
| 424 | |
| 425 var container = host.append(new DivElement()); | |
| 426 | |
| 427 var el1 = container.append(new InputElement()); | |
| 428 el1.type = 'radio'; | |
| 429 el1.name = RADIO_GROUP_NAME; | |
| 430 nodeBind(el1).bind('checked', model, 'val1'); | |
| 431 | |
| 432 var el2 = container.append(new InputElement()); | |
| 433 el2.type = 'radio'; | |
| 434 el2.name = RADIO_GROUP_NAME; | |
| 435 nodeBind(el2).bind('checked', model, 'val2'); | |
| 436 | |
| 437 var el3 = container.append(new InputElement()); | |
| 438 el3.type = 'radio'; | |
| 439 el3.name = RADIO_GROUP_NAME; | |
| 440 nodeBind(el3).bind('checked', model, 'val3'); | |
| 441 | |
| 442 var el4 = container.append(new InputElement()); | |
| 443 el4.type = 'radio'; | |
| 444 el4.name = 'othergroup'; | |
| 445 nodeBind(el4).bind('checked', model, 'val4'); | |
| 446 | |
| 447 performMicrotaskCheckpoint(); | |
| 448 expect(el1.checked, true); | |
| 449 expect(el2.checked, false); | |
| 450 expect(el3.checked, false); | |
| 451 expect(el4.checked, true); | |
| 452 | |
| 453 model['val1'] = false; | |
| 454 model['val2'] = true; | |
| 455 performMicrotaskCheckpoint(); | |
| 456 expect(el1.checked, false); | |
| 457 expect(el2.checked, true); | |
| 458 expect(el3.checked, false); | |
| 459 expect(el4.checked, true); | |
| 460 | |
| 461 el1.checked = true; | |
| 462 dispatchEvent('change', el1); | |
| 463 expect(model['val1'], true); | |
| 464 expect(model['val2'], false); | |
| 465 expect(model['val3'], false); | |
| 466 expect(model['val4'], true); | |
| 467 | |
| 468 el3.checked = true; | |
| 469 dispatchEvent('change', el3); | |
| 470 expect(model['val1'], false); | |
| 471 expect(model['val2'], false); | |
| 472 expect(model['val3'], true); | |
| 473 expect(model['val4'], true); | |
| 474 } | |
| 475 | |
| 476 observeTest('(Radio)Input.checked 2', () { | |
| 477 radioInputChecked2(testDiv); | |
| 478 }); | |
| 479 | |
| 480 observeTest('(Radio)Input.checked 2 - ShadowRoot', () { | |
| 481 if (!ShadowRoot.supported) return; | |
| 482 | |
| 483 var div = new DivElement(); | |
| 484 var shadowRoot = div.createShadowRoot(); | |
| 485 radioInputChecked2(shadowRoot); | |
| 486 unbindAll(shadowRoot); | |
| 487 }); | |
| 488 | |
| 489 radioInputCheckedMultipleForms(host) { | |
| 490 var model = toObservable({'val1': true, 'val2': false, 'val3': false, | |
| 491 'val4': true}); | |
| 492 var RADIO_GROUP_NAME = 'observeTest'; | |
| 493 | |
| 494 var container = testDiv.append(new DivElement()); | |
| 495 var form1 = new FormElement(); | |
| 496 container.append(form1); | |
| 497 var form2 = new FormElement(); | |
| 498 container.append(form2); | |
| 499 | |
| 500 var el1 = new InputElement(); | |
| 501 form1.append(el1); | |
| 502 el1.type = 'radio'; | |
| 503 el1.name = RADIO_GROUP_NAME; | |
| 504 nodeBind(el1).bind('checked', model, 'val1'); | |
| 505 | |
| 506 var el2 = new InputElement(); | |
| 507 form1.append(el2); | |
| 508 el2.type = 'radio'; | |
| 509 el2.name = RADIO_GROUP_NAME; | |
| 510 nodeBind(el2).bind('checked', model, 'val2'); | |
| 511 | |
| 512 var el3 = new InputElement(); | |
| 513 form2.append(el3); | |
| 514 el3.type = 'radio'; | |
| 515 el3.name = RADIO_GROUP_NAME; | |
| 516 nodeBind(el3).bind('checked', model, 'val3'); | |
| 517 | |
| 518 var el4 = new InputElement(); | |
| 519 form2.append(el4); | |
| 520 el4.type = 'radio'; | |
| 521 el4.name = RADIO_GROUP_NAME; | |
| 522 nodeBind(el4).bind('checked', model, 'val4'); | |
| 523 | |
| 524 performMicrotaskCheckpoint(); | |
| 525 expect(el1.checked, true); | |
| 526 expect(el2.checked, false); | |
| 527 expect(el3.checked, false); | |
| 528 expect(el4.checked, true); | |
| 529 | |
| 530 el2.checked = true; | |
| 531 dispatchEvent('change', el2); | |
| 532 expect(model['val1'], false); | |
| 533 expect(model['val2'], true); | |
| 534 | |
| 535 // Radio buttons in form2 should be unaffected | |
| 536 expect(model['val3'], false); | |
| 537 expect(model['val4'], true); | |
| 538 | |
| 539 el3.checked = true; | |
| 540 dispatchEvent('change', el3); | |
| 541 expect(model['val3'], true); | |
| 542 expect(model['val4'], false); | |
| 543 | |
| 544 // Radio buttons in form1 should be unaffected | |
| 545 expect(model['val1'], false); | |
| 546 expect(model['val2'], true); | |
| 547 } | |
| 548 | |
| 549 observeTest('(Radio)Input.checked - multiple forms', () { | |
| 550 radioInputCheckedMultipleForms(testDiv); | |
| 551 }); | |
| 552 | |
| 553 observeTest('(Radio)Input.checked 2 - ShadowRoot', () { | |
| 554 if (!ShadowRoot.supported) return; | |
| 555 | |
| 556 var shadowRoot = new DivElement().createShadowRoot(); | |
| 557 radioInputChecked2(shadowRoot); | |
| 558 unbindAll(shadowRoot); | |
| 559 }); | |
| 560 | |
| 561 observeTest('Select.selectedIndex', () { | |
| 562 var select = new SelectElement(); | |
| 563 testDiv.append(select); | |
| 564 var option0 = select.append(new OptionElement()); | |
| 565 var option1 = select.append(new OptionElement()); | |
| 566 var option2 = select.append(new OptionElement()); | |
| 567 | |
| 568 var model = toObservable({'val': 2}); | |
| 569 | |
| 570 nodeBind(select).bind('selectedIndex', model, 'val'); | |
| 571 performMicrotaskCheckpoint(); | |
| 572 expect(select.selectedIndex, 2); | |
| 573 | |
| 574 select.selectedIndex = 1; | |
| 575 dispatchEvent('change', select); | |
| 576 expect(model['val'], 1); | |
| 577 }); | |
| 578 | |
| 579 observeTest('Select.selectedIndex - path NaN', () { | |
| 580 var select = new SelectElement(); | |
| 581 testDiv.append(select); | |
| 582 var option0 = select.append(new OptionElement()); | |
| 583 var option1 = select.append(new OptionElement()); | |
| 584 option1.selected = true; | |
| 585 var option2 = select.append(new OptionElement()); | |
| 586 | |
| 587 var model = toObservable({'val': 'foo'}); | |
| 588 | |
| 589 nodeBind(select).bind('selectedIndex', model, 'val'); | |
| 590 performMicrotaskCheckpoint(); | |
| 591 expect(select.selectedIndex, 0); | |
| 592 }); | |
| 593 | |
| 594 observeTest('Select.selectedIndex - path unreachable', () { | |
| 595 var select = new SelectElement(); | |
| 596 testDiv.append(select); | |
| 597 var option0 = select.append(new OptionElement()); | |
| 598 var option1 = select.append(new OptionElement()); | |
| 599 option1.selected = true; | |
| 600 var option2 = select.append(new OptionElement()); | |
| 601 | |
| 602 var model = toObservable({}); | |
| 603 | |
| 604 nodeBind(select).bind('selectedIndex', model, 'val'); | |
| 605 performMicrotaskCheckpoint(); | |
| 606 expect(select.selectedIndex, 0); | |
| 607 }); | |
| 608 | |
| 609 observeTest('Option.value', () { | |
| 610 var option = testDiv.append(new OptionElement()); | |
| 611 var model = toObservable({'x': 42}); | |
| 612 nodeBind(option).bind('value', model, 'x'); | |
| 613 expect(option.value, '42'); | |
| 614 | |
| 615 model['x'] = 'Hi'; | |
| 616 expect(option.value, '42'); | |
| 617 performMicrotaskCheckpoint(); | |
| 618 expect(option.value, 'Hi'); | |
| 619 }); | |
| 620 | |
| 621 observeTest('Select.value', () { | |
| 622 var select = testDiv.append(new SelectElement()); | |
| 623 testDiv.append(select); | |
| 624 var option0 = select.append(new OptionElement()); | |
| 625 var option1 = select.append(new OptionElement()); | |
| 626 var option2 = select.append(new OptionElement()); | |
| 627 | |
| 628 var model = toObservable({ | |
| 629 'opt0': 'a', | |
| 630 'opt1': 'b', | |
| 631 'opt2': 'c', | |
| 632 'selected': 'b' | |
| 633 }); | |
| 634 | |
| 635 nodeBind(option0).bind('value', model, 'opt0'); | |
| 636 nodeBind(option1).bind('value', model, 'opt1'); | |
| 637 nodeBind(option2).bind('value', model, 'opt2'); | |
| 638 | |
| 639 nodeBind(select).bind('value', model, 'selected'); | |
| 640 performMicrotaskCheckpoint(); | |
| 641 expect(select.value, 'b'); | |
| 642 | |
| 643 select.value = 'c'; | |
| 644 dispatchEvent('change', select); | |
| 645 expect(model['selected'], 'c'); | |
| 646 | |
| 647 model['opt2'] = 'X'; | |
| 648 performMicrotaskCheckpoint(); | |
| 649 expect(select.value, 'X'); | |
| 650 expect(model['selected'], 'X'); | |
| 651 | |
| 652 model['selected'] = 'a'; | |
| 653 performMicrotaskCheckpoint(); | |
| 654 expect(select.value, 'a'); | |
| 655 }); | |
| 656 } | |
| 657 | |
| 658 privateField(x, name) => reflect(x).getField( | |
| 659 privateSymbol(reflect(x).type, name)).reflectee; | |
| 660 | |
| 661 // TODO(jmesserly): fix this when it's easier to get a private symbol. | |
| 662 privateSymbol(TypeMirror type, String name) { | |
| 663 while (type != null) { | |
| 664 var symbol = type.variables.keys.firstWhere( | |
| 665 (s) => MirrorSystem.getName(s) == name, orElse: () => null); | |
| 666 if (symbol != null) return symbol; | |
| 667 type = type.superclass; | |
| 668 } | |
| 669 return null; | |
| 670 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 50203004:
port TemplateBinding to ed3266266e751b5ab1f75f8e0509d0d5f0ef35d8 (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart