HtmlSelectTest


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38  package com.gargoylesoftware.htmlunit.html;
39  
40  import java.util.ArrayList;
41  import java.util.Arrays;
42  import java.util.Collections;
43  import java.util.List;
44  
45  import com.gargoylesoftware.htmlunit.KeyValuePair;
46  import com.gargoylesoftware.htmlunit.MockWebConnection;
47  import com.gargoylesoftware.htmlunit.SubmitMethod;
48  import com.gargoylesoftware.htmlunit.WebTestCase;
49  
50  /**
51   *  Tests for HtmlSelect
52   *
53   * @version  $Revision: 1.16 $
54   * @author  <a HREF="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
55   * @author  Mike Williams
56   */
57  public class HtmlSelectTest extends WebTestCase {
58  
59      /**
60       *  Create an instance
61       *
62       * @param  name Name of the test
63       */
64      public HtmlSelectTest(final String name) {
65          super(name);
66      }
67  
68      /**
69       *  Test the good path of submitting a select
70       *
71       * @exception  Exception If the test fails
72       */
73      public void testSelect() throws Exception {
74  
75          final String htmlContent = "<html><head><title>foo</title></head><body>"
76              + "<form id='form1'><select name='select1'>"
77              + "<option value='option1'>Option1</option>"
78              + "<option value='option2' selected='selected'>Option2</option>"
79              + "<option value='option3'>Option3</option>"
80              + "</select>"
81              + "<input type='submit' name='button' value='foo'/>"
82              + "</form></body></html>";
83          final HtmlPage page = loadPage(htmlContent);
84          final MockWebConnection webConnection = getMockConnection(page);
85  
86          final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
87  
88          final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
89          final HtmlSubmitInput button = (HtmlSubmitInput) form.getInputByName("button");
90  
91          // Test that the select is being correctly identified as a submittable element
92          assertCollectionsEqual(Arrays.asList(new Object[] {select, button}), form.getAllSubmittableElements(button));
93  
94          // Test that the correct value is being passed back up to the server
95          final HtmlPage secondPage = (HtmlPage) button.click();
96  
97          final List expectedParameters = new ArrayList();
98          expectedParameters.add(new KeyValuePair("select1", "option2"));
99          expectedParameters.add(new KeyValuePair("button", "foo"));
100 
101         assertEquals("url", URL_GARGOYLE, secondPage.getWebResponse().getUrl());
102         assertEquals("method", SubmitMethod.GET, webConnection.getLastMethod());
103         assertEquals("parameters", expectedParameters, webConnection.getLastParameters());
104         assertNotNull(secondPage);
105     }
106 
107     /**
108      *  Test submitting the select with no options selected
109      *
110      * @exception  Exception If the test fails
111      */
112     public void testSelect_MultipleSelectNoneSelected() throws Exception {
113 
114         final String htmlContent = "<html><head><title>foo</title></head><body>"
115             + "<form id='form1'><select name='select1' multiple>"
116             + "<option value='option1'>Option1</option>"
117             + "<option value='option2'>Option2</option>"
118             + "<option value='option3'>Option3</option>"
119             + "</select>"
120             + "<input type='submit' name='button' value='foo'/>"
121             + "</form></body></html>";
122         final HtmlPage page = loadPage(htmlContent);
123         final MockWebConnection webConnection = getMockConnection(page);
124 
125         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
126 
127         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
128         assertNotNull(select);
129 
130         final HtmlSubmitInput button = (HtmlSubmitInput) form.getInputByName("button");
131 
132         // Test that the correct value is being passed back up to the server
133         final HtmlPage secondPage = (HtmlPage) button.click();
134 
135         final List expectedParameters = new ArrayList();
136         expectedParameters.add(new KeyValuePair("button", "foo"));
137 
138         assertEquals("url", URL_GARGOYLE, secondPage.getWebResponse().getUrl());
139         assertEquals("method", SubmitMethod.GET, webConnection.getLastMethod());
140         assertEquals("parameters", expectedParameters, webConnection.getLastParameters());
141         assertNotNull(secondPage);
142     }
143 
144     /**
145      *  Test changing the selected option
146      *
147      * @exception  Exception If the test fails
148      */
149     public void testSelect_ChangeSelectedOption_SingleSelect() throws Exception {
150 
151         final String htmlContent = "<html><head><title>foo</title></head><body>"
152             + "<form id='form1'><select name='select1'>"
153             + "<option value='option1' selected='selected'>Option1</option>"
154             + "<option value='option2'>Option2</option>"
155             + "<option value='option3'>Option3</option>"
156             + "</select>"
157             + "<input type='submit' name='button' value='foo'/>"
158             + "</form></body></html>";
159         final HtmlPage page = loadPage(htmlContent);
160         final MockWebConnection webConnection = getMockConnection(page);
161 
162         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
163 
164         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
165         final HtmlSubmitInput button = (HtmlSubmitInput) form.getInputByName("button");
166 
167         // Change the value
168         select.setSelectedAttribute("option3", true);
169 
170         // Test that the correct value is being passed back up to the server
171         final HtmlPage secondPage = (HtmlPage) button.click();
172 
173         final List expectedParameters = new ArrayList();
174         expectedParameters.add(new KeyValuePair("select1", "option3"));
175         expectedParameters.add(new KeyValuePair("button", "foo"));
176 
177         assertEquals("url", URL_GARGOYLE, secondPage.getWebResponse().getUrl());
178         assertEquals("method", SubmitMethod.GET, webConnection.getLastMethod());
179         assertEquals("parameters", expectedParameters, webConnection.getLastParameters());
180         assertNotNull(secondPage);
181     }
182 
183     /**
184      *  Test changing the selected option
185      *
186      * @exception  Exception If the test fails
187      */
188     public void testSelect_ChangeSelectedOption_MultipleSelect() throws Exception {
189 
190         final String htmlContent = "<html><head><title>foo</title></head><body>"
191             + "<form id='form1'><select name='select1' multiple='multiple'>"
192             + "<option value='option1' selected='selected'>Option1</option>"
193             + "<option value='option2'>Option2</option>"
194             + "<option value='option3'>Option3</option>"
195             + "</select>"
196             + "<input type='submit' name='button' value='foo'/>"
197             + "</form></body></html>";
198         final HtmlPage page = loadPage(htmlContent);
199         final MockWebConnection webConnection = getMockConnection(page);
200 
201         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
202 
203         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
204         final HtmlSubmitInput button = (HtmlSubmitInput) form.getInputByName("button");
205 
206         // Change the value
207         select.setSelectedAttribute("option3", true);
208         select.setSelectedAttribute("option2", true);
209 
210         // Test that the correct value is being passed back up to the server
211         final HtmlPage secondPage = (HtmlPage) button.click();
212 
213         final List expectedParameters = new ArrayList();
214         expectedParameters.add(new KeyValuePair("select1", "option1"));
215         expectedParameters.add(new KeyValuePair("select1", "option2"));
216         expectedParameters.add(new KeyValuePair("select1", "option3"));
217         expectedParameters.add(new KeyValuePair("button", "foo"));
218 
219         assertEquals("url", URL_GARGOYLE, secondPage.getWebResponse().getUrl());
220         assertEquals("method", SubmitMethod.GET, webConnection.getLastMethod());
221         assertEquals("parameters", expectedParameters, webConnection.getLastParameters());
222         assertNotNull(secondPage);
223     }
224 
225     /**
226      *  Test multiple selected options on multiple select lists
227      *
228      * @exception  Exception If the test fails
229      */
230     public void testSelect_MultipleSelectMultipleSelected() throws Exception {
231 
232         final String htmlContent = "<html><head><title>foo</title></head><body>"
233             + "<form id='form1'><select name='select1' multiple>"
234             + "<option value='option1' selected='selected'>Option1</option>"
235             + "<option value='option2'>Option2</option>"
236             + "<option value='option3' selected='selected'>Option3</option>"
237             + "</select>"
238             + "<input type='submit' name='button' value='foo'/>"
239             + "</form></body></html>";
240         final HtmlPage page = loadPage(htmlContent);
241 
242         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
243 
244         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
245         final List expected = new ArrayList();
246         expected.add(select.getOptionByValue("option1"));
247         expected.add(select.getOptionByValue("option3"));
248 
249         assertEquals(expected, select.getSelectedOptions());
250     }
251 
252     /**
253      * Test multiple selected options on single select lists. This is erroneous HTML, but
254      * browsers simply use the last option.
255      *
256      * @exception  Exception If the test fails
257      */
258     public void testSelect_SingleSelectMultipleSelected() throws Exception {
259 
260         final String htmlContent = "<html><head><title>foo</title></head><body>"
261             + "<form id='form1'><select name='select1'>"
262             + "<option value='option1' selected='selected'>Option1</option>"
263             + "<option value='option2'>Option2</option>"
264             + "<option value='option3' selected='selected'>Option3</option>"
265             + "</select>"
266             + "<input type='submit' name='button' value='foo'/>"
267             + "</form></body></html>";
268         final HtmlPage page = loadPage(htmlContent);
269 
270         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
271 
272         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
273         final List expected = new ArrayList();
274         expected.add(select.getOptionByValue("option3"));
275 
276         assertEquals(expected, select.getSelectedOptions());
277     }
278 
279     /**
280      * Test no selected options on single select lists. This is erroneous HTML, but
281      * browsers simply assume the first one to be selected
282      *
283      * @exception  Exception If the test fails
284      */
285     public void testSelect_SingleSelectNoneSelected() throws Exception {
286 
287         final String htmlContent = "<html><head><title>foo</title></head><body>"
288             + "<form id='form1'><select name='select1'>"
289             + "<option value='option1'>Option1</option>"
290             + "<option value='option2'>Option2</option>"
291             + "<option value='option3'>Option3</option>"
292             + "</select>"
293             + "<input type='submit' name='button' value='foo'/>"
294             + "</form></body></html>";
295         final HtmlPage page = loadPage(htmlContent);
296 
297         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
298 
299         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
300         final List expected = new ArrayList();
301         expected.add(select.getOptionByValue("option1"));
302 
303         assertEquals(expected, select.getSelectedOptions());
304     }
305 
306     /**
307      * Test no selected options on single select lists with a size > 1
308      * 
309      * @exception  Exception If the test fails
310      */
311     public void testSelect_SingleSelectNoneSelectedButSizeGreaterThanOne() throws Exception {
312 
313         final String htmlContent = "<html><head><title>foo</title></head><body>"
314             + "<form>"
315             + "<select name='select1' size='2' id='mySelect'>"
316             + "<option value='option1'>Option1</option>"
317             + "<option value='option2'>Option2</option>"
318             + "<option value='option3'>Option3</option>"
319             + "</select>"
320             + "</form></body></html>";
321 
322         final HtmlPage page = loadPage(htmlContent);
323 
324         final HtmlSelect select = (HtmlSelect) page.getHtmlElementById("mySelect");
325 
326         assertEquals(Collections.EMPTY_LIST, select.getSelectedOptions());
327     }
328 
329     /**
330      *  Test changing the selected option
331      *
332      * @exception  Exception If the test fails
333      */
334     public void testSetSelected_IllegalValue() throws Exception {
335 
336         final String htmlContent = "<html><head><title>foo</title></head><body>"
337             + "<form id='form1'><select name='select1'>"
338             + "<option value='option1' selected='selected'>Option1</option>"
339             + "<option value='option2'>Option2</option>"
340             + "<option value='option3'>Option3</option>"
341             + "</select>"
342             + "<input type='submit' name='button' value='foo'/>"
343             + "</form></body></html>";
344         final HtmlPage page = loadPage(htmlContent);
345         final MockWebConnection webConnection = getMockConnection(page);
346 
347         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
348 
349         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
350         final HtmlSubmitInput button = (HtmlSubmitInput) form.getInputByName("button");
351 
352         // Change the value
353         try {
354             select.setSelectedAttribute("missingOption", true);
355             fail("Expected IllegalArgumentException");
356         }
357         catch (final IllegalArgumentException e) {
358             // Expected path
359         }
360 
361         select.fakeSelectedAttribute("newOption");
362 
363         // Test that the correct value is being passed back up to the server
364         final HtmlPage secondPage = (HtmlPage) button.click();
365 
366         final List expectedParameters = new ArrayList();
367         expectedParameters.add(new KeyValuePair("select1", "newOption"));
368         expectedParameters.add(new KeyValuePair("button", "foo"));
369 
370         assertEquals("url", URL_GARGOYLE, secondPage.getWebResponse().getUrl());
371         assertEquals("method", SubmitMethod.GET, webConnection.getLastMethod());
372         assertEquals("parameters", expectedParameters, webConnection.getLastParameters());
373         assertNotNull(secondPage);
374     }
375 
376     /**
377      * @throws Exception if the test fails
378      */
379     public void testGetAllOptions() throws Exception {
380 
381         final String htmlContent = "<html><head><title>foo</title></head><body>"
382             + "<form id='form1'><select name='select1'>"
383             + "<option value='option1' selected='selected'>Option1</option>"
384             + "<option value='option2'>Option2</option>"
385             + "<optgroup label='group1'>"
386             + "    <option value='option3'>Option3</option>"
387             + "</optgroup>"
388             + "</select>"
389             + "<input type='submit' name='button' value='foo'/>"
390             + "</form></body></html>";
391         final HtmlPage page = loadPage(htmlContent);
392 
393         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
394 
395         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
396 
397         final List expectedOptions = new ArrayList();
398         expectedOptions.add(select.getOptionByValue("option1"));
399         expectedOptions.add(select.getOptionByValue("option2"));
400         expectedOptions.add(select.getOptionByValue("option3"));
401 
402         assertEquals(expectedOptions, select.getAllOptions());
403     }
404 
405     /**
406      * @throws Exception if the test fails
407      */
408     public void testSelect_OptionMultiple_NoValueOnAttribute() throws Exception {
409 
410         final String htmlContent = "<html><head><title>foo</title></head><body>"
411             + "<form id='form1'><select name='select1' id='select1' multiple>"
412             + "<option value='option1'>Option1</option>"
413             + "<option value='option2' >Option2</option>"
414             + "<option value='option3'>Option3</option>"
415             + "</select>"
416             + "<input type='submit' name='button' value='foo'/>"
417             + "</form></body></html>";
418         final HtmlPage page = loadPage(htmlContent);
419 
420         final HtmlSelect select = (HtmlSelect) page.getHtmlElementById("select1");
421         assertTrue(select.isMultipleSelectEnabled());
422     }
423 
424     /**
425      * @throws Exception if the test fails
426      */
427     public void testGetOptionByValue_TwoOptionsWithSameValue() throws Exception {
428 
429         final String htmlContent = "<html><head><title>foo</title></head><body><form id='form1'>"
430             + "<select name='select1'>"
431             + "    <option value='option1'>s1o1</option>"
432             + "    <option value='option2'>s1o2</option>"
433             + "</select>"
434             + "<select name='select2'>"
435             + "    <option value='option1'>s2o1</option>"
436             + "    <option value='option2'>s2o2</option>"
437             + "</select>"
438             + "<input type='submit' name='button' value='foo'/>"
439             + "</form></body></html>";
440         final HtmlPage page = loadPage(htmlContent);
441 
442         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
443 
444         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select2").get(0);
445         assertEquals("s2o2", select.getOptionByValue("option2").asText());
446     }
447 
448     /**
449      * @throws Exception if the test fails
450      */
451     public void testSelect_SetSelected_OnChangeHandler() throws Exception {
452 
453         final String htmlContent = "<html><head><title>foo</title></head><body>"
454             + "<form id='form1'><select name='select1' onChange='alert(\"changing\")'>"
455             + "<option value='option1' selected='selected'>Option1</option>"
456             + "<option value='option2'>Option2</option>"
457             + "<option value='option3'>Option3</option>"
458             + "</select>"
459             + "<input type='submit' name='button' value='foo'/>"
460             + "</form></body></html>";
461         final List collectedAlerts = new ArrayList();
462         final HtmlPage page = loadPage(htmlContent, collectedAlerts);
463 
464         final HtmlForm form = (HtmlForm) page.getHtmlElementById("form1");
465 
466         final HtmlSelect select = (HtmlSelect) form.getSelectsByName("select1").get(0);
467 
468         // Change the value
469         select.setSelectedAttribute("option3", true);
470 
471         final List expectedAlerts = Collections.singletonList("changing");
472         assertEquals(expectedAlerts, collectedAlerts);
473     }
474 
475     /**
476      * @throws Exception if the test fails
477      */
478     public void testSetSelectionOnOptionWithNoName() throws Exception {
479 
480         final String htmlContent = "<html><body><form name='form' method='GET' action='action.html'>"
481             + "<select name='select' multiple size='5'>"
482             + "<option value='1'>111</option>"
483             + "<option id='option2'>222</option>"
484             + "</select>"
485             + "</form></body></html>";
486         final List collectedAlerts = new ArrayList();
487         final HtmlPage page = loadPage(htmlContent, collectedAlerts);
488 
489         final HtmlOption option = (HtmlOption) page.getHtmlElementById("option2");
490         option.setSelected(true);
491     }
492 
493     private void checkOptions(final HtmlSelect select) {
494         final List options = select.getAllOptions();
495         if (options.isEmpty()) {
496             assertNull(select.getFirstChild());
497             assertNull(select.getLastChild());
498         }
499         else {
500             assertEquals(options.get(0), select.getFirstChild());
501             assertEquals(options.get(options.size() - 1), select.getLastChild());
502         }
503     }
504 
505     /** @throws Exception if the test fails */
506     public void testRemoveOptionsFromSelect() throws Exception {
507 
508         final String htmlContent = "<html><body><form name='form' method='GET' action='action.html'>"
509             + "<select name='select' id='theSelect'>"
510             + "<option value='a'>111</option>"
511             + "<option value='b'>222</option>"
512             + "<option value='c'>333</option>"
513             + "<option value='d'>444</option>"
514             + "</select>"
515             + "</form></body></html>";
516         final HtmlPage page = loadPage(htmlContent);
517 
518         final HtmlSelect theSelect = (HtmlSelect) page.getHtmlElementById("theSelect");
519         assertNotNull(theSelect);
520 
521         assertEquals(4, theSelect.getAllOptions().size());
522         assertEquals("a", theSelect.getOption(0).getValue());
523         assertEquals("b", theSelect.getOption(1).getValue());
524         assertEquals("c", theSelect.getOption(2).getValue());
525         assertEquals("d", theSelect.getOption(3).getValue());
526 
527         // remove from the middle
528         theSelect.getOption(1).remove();
529         checkOptions(theSelect);
530         assertEquals(3, theSelect.getAllOptions().size());
531         assertEquals("a", theSelect.getOption(0).getValue());
532         assertEquals("c", theSelect.getOption(1).getValue());
533         assertEquals("d", theSelect.getOption(2).getValue());
534 
535         // remove from the end
536         theSelect.getOption(2).remove();
537         checkOptions(theSelect);
538         assertEquals(2, theSelect.getAllOptions().size());
539         assertEquals("a", theSelect.getOption(0).getValue());
540         assertEquals("c", theSelect.getOption(1).getValue());
541 
542         // remove from the front
543         theSelect.getOption(0).remove();
544         checkOptions(theSelect);
545         assertEquals(1, theSelect.getAllOptions().size());
546         assertEquals("c", theSelect.getOption(0).getValue());
547 
548         // remove from the last one
549         theSelect.getOption(0).remove();
550         checkOptions(theSelect);
551         assertEquals(0, theSelect.getAllOptions().size());
552     }
553 
554     /** @throws Exception If the test fails */
555     public void testEditOptions() throws Exception {
556 
557         final String htmlContent = "<html><body><form name='form' method='GET' action='action.html'>"
558             + "<select name='select' id='theSelect'>"
559             + "<option value='a'>111</option>"
560             + "<option value='b'>222</option>"
561             + "<option value='c'>333</option>"
562             + "</select>"
563             + "</form></body></html>";
564         final HtmlPage page = loadPage(htmlContent);
565 
566         final HtmlSelect theSelect = (HtmlSelect) page.getHtmlElementById("theSelect");
567 
568         assertNotNull(theSelect);
569         assertEquals(3, theSelect.getAllOptions().size());
570 
571         appendOption(theSelect, "d");
572         assertEquals(4, theSelect.getAllOptions().size());
573         assertEquals("d", theSelect.getOption(3).getValue());
574 
575         theSelect.setOptionSize(1);
576         assertEquals(1, theSelect.getAllOptions().size());
577         assertEquals("a", theSelect.getOption(0).getValue());
578 
579         appendOption(theSelect, "x");
580         assertEquals(2, theSelect.getAllOptions().size());
581         assertEquals("x", theSelect.getOption(1).getValue());
582 
583     }
584 
585     /**
586      * Test that asText() returns a blank string if nothing is selected.
587      * 
588      * @exception  Exception If the test fails
589      */
590     public void testAsTextWhenNothingSelected() throws Exception {
591         final String htmlContent = "<html><head><title>foo</title></head><body>"
592             + "<form>"
593             + "<select name='select1' size='1' id='mySelect'>"
594             + "</select>"
595             + "</form></body></html>";
596 
597         final HtmlPage page = loadPage(htmlContent);
598 
599         final HtmlSelect select = (HtmlSelect) page.getHtmlElementById("mySelect");
600 
601         assertEquals("", select.asText());
602     }
603 
604     void appendOption(final HtmlSelect select, final String value) {
605         final HtmlOption option = new HtmlOption(select.getPage(), null);
606         option.setValueAttribute(value);
607         option.setLabelAttribute(value);
608         select.appendOption(option);
609     }
610 
611 }
612
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