1 /* 2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package javax.xml.xpath.ptests; 25 26 import java.io.FilePermission; 27 import java.io.InputStream; 28 import java.nio.file.Files; 29 import java.nio.file.Path; 30 import java.nio.file.Paths; 31 import java.util.Iterator; 32 import javax.xml.XMLConstants; 33 import javax.xml.namespace.NamespaceContext; 34 import javax.xml.namespace.QName; 35 import javax.xml.parsers.DocumentBuilderFactory; 36 import javax.xml.xpath.XPath; 37 import static javax.xml.xpath.XPathConstants.BOOLEAN; 38 import static javax.xml.xpath.XPathConstants.NODE; 39 import static javax.xml.xpath.XPathConstants.NODESET; 40 import static javax.xml.xpath.XPathConstants.NUMBER; 41 import static javax.xml.xpath.XPathConstants.STRING; 42 import javax.xml.xpath.XPathExpressionException; 43 import javax.xml.xpath.XPathFactory; 44 import static javax.xml.xpath.ptests.XPathTestConst.XML_DIR; 45 import jaxp.library.JAXPFileReadOnlyBaseTest; 46 import static org.testng.AssertJUnit.assertEquals; 47 import static org.testng.AssertJUnit.assertNotNull; 48 import static org.testng.AssertJUnit.assertNull; 49 import org.testng.annotations.BeforeTest; 50 import org.testng.annotations.Test; 51 import org.w3c.dom.Attr; 52 import org.w3c.dom.Document; 53 import org.w3c.dom.NodeList; 54 import org.xml.sax.InputSource; 55 56 /** 57 * Class containing the test cases for XPath API. 58 */ 59 public class XPathTest extends JAXPFileReadOnlyBaseTest { 60 /** 61 * Document object for testing XML file. 62 */ 63 private Document document; 64 65 /** 66 * A XPath for evaluation environment and expressions. 67 */ 68 private XPath xpath; 69 70 /** 71 * A QName using default name space. 72 */ 73 private static final QName TEST_QNAME = new QName(XMLConstants.XML_NS_URI, ""); 74 75 /** 76 * XML File Path. 77 */ 78 private static final Path XML_PATH = Paths.get(XML_DIR + "widgets.xml"); 79 80 /** 81 * An expression name which locate at "/widgets/widget[@name='a']/@quantity" 82 */ 83 private static final String EXPRESSION_NAME_A = "/widgets/widget[@name='a']/@quantity"; 84 85 /** 86 * An expression name which locate at "/widgets/widget[@name='b']/@quantity" 87 */ 88 private static final String EXPRESSION_NAME_B = "/widgets/widget[@name='b']/@quantity"; 89 90 /** 91 * Create Document object and XPath object for every time 92 * @throws Exception If any errors occur. 93 */ 94 @BeforeTest 95 public void setup() throws Exception { 96 setPermissions(new FilePermission(XML_DIR + "-", "read")); 97 document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(XML_PATH.toFile()); 98 xpath = XPathFactory.newInstance().newXPath(); 99 } 100 101 /** 102 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 103 * item, QName returnType) which return type is String. 104 * 105 * @throws XPathExpressionException If the expression cannot be evaluated. 106 */ 107 @Test 108 public void testCheckXPath01() throws XPathExpressionException { 109 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document, STRING), "6"); 110 } 111 112 113 /** 114 * Test for XPath.compile(java.lang.String expression) and then 115 * evaluate(java.lang.Object item, QName returnType). 116 * 117 * @throws XPathExpressionException If the expression cannot be evaluated. 118 */ 119 @Test 120 public void testCheckXPath02() throws XPathExpressionException { 121 assertEquals(xpath.compile(EXPRESSION_NAME_A).evaluate(document, STRING), "6"); 122 } 123 124 /** 125 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 126 * item) when the third argument is left off of the XPath.evaluate method, 127 * all expressions are evaluated to a String value. 128 * 129 * @throws XPathExpressionException If the expression cannot be evaluated. 130 */ 131 @Test 132 public void testCheckXPath03() throws XPathExpressionException { 133 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document), "6"); 134 } 135 136 /** 137 * Test for XPath.compile(java.lang.String expression). If expression is 138 * null, should throw NPE. 139 * 140 * @throws XPathExpressionException If the expression cannot be evaluated. 141 */ 142 @Test(expectedExceptions = NullPointerException.class) 143 public void testCheckXPath04() throws XPathExpressionException { 144 xpath.compile(null); 145 } 146 147 /** 148 * Test for XPath.compile(java.lang.String expression). If expression cannot 149 * be compiled junk characters, should throw XPathExpressionException. 150 * 151 * @throws XPathExpressionException If the expression cannot be evaluated. 152 */ 153 @Test(expectedExceptions = XPathExpressionException.class) 154 public void testCheckXPath05() throws XPathExpressionException { 155 xpath.compile("-*&"); 156 } 157 158 /** 159 * Test for XPath.compile(java.lang.String expression). If expression is 160 * blank, should throw XPathExpressionException 161 * 162 * @throws XPathExpressionException If the expression cannot be evaluated. 163 */ 164 @Test(expectedExceptions = XPathExpressionException.class) 165 public void testCheckXPath06() throws XPathExpressionException { 166 xpath.compile(" "); 167 } 168 169 /** 170 * Test for XPath.compile(java.lang.String expression). The expression 171 * cannot be evaluated as this does not exist. 172 * 173 * @throws XPathExpressionException If the expression cannot be evaluated. 174 */ 175 @Test 176 public void testCheckXPath07() throws XPathExpressionException { 177 assertEquals(xpath.compile(EXPRESSION_NAME_B).evaluate(document, STRING), ""); 178 } 179 180 181 /** 182 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 183 * item, QName returnType). If String expression is null, should throw NPE. 184 * 185 * @throws XPathExpressionException If the expression cannot be evaluated. 186 */ 187 @Test(expectedExceptions = NullPointerException.class) 188 public void testCheckXPath08() throws XPathExpressionException { 189 xpath.evaluate(null, document, STRING); 190 } 191 192 /** 193 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 194 * item, QName returnType). If item is null, should throw NPE. 195 * 196 * @throws XPathExpressionException If the expression cannot be evaluated. 197 */ 198 @Test(expectedExceptions = NullPointerException.class) 199 public void testCheckXPath09() throws XPathExpressionException { 200 xpath.evaluate(EXPRESSION_NAME_A, null, STRING); 201 } 202 203 /** 204 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 205 * item, QName returnType). If returnType is null, should throw NPE. 206 * 207 * @throws XPathExpressionException If the expression cannot be evaluated. 208 */ 209 @Test(expectedExceptions = NullPointerException.class) 210 public void testCheckXPath10() throws XPathExpressionException { 211 xpath.evaluate(EXPRESSION_NAME_A, document, null); 212 } 213 214 /** 215 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 216 * item, QName returnType). If a request is made to evaluate the expression 217 * in the absence of a context item, simple expressions, such as "1+1", can 218 * be evaluated. 219 * 220 * @throws XPathExpressionException If the expression cannot be evaluated. 221 */ 222 @Test 223 public void testCheckXPath11() throws XPathExpressionException { 224 assertEquals(xpath.evaluate("1+1", document, STRING), "2"); 225 } 226 227 /** 228 * XPath.evaluate(java.lang.String expression, java.lang.Object item, QName 229 * returnType) throws XPathExpressionException if expression is a empty 230 * string "". 231 * 232 * @throws XPathExpressionException If the expression cannot be evaluated. 233 */ 234 @Test(expectedExceptions = XPathExpressionException.class) 235 public void testCheckXPath12() throws XPathExpressionException { 236 xpath.evaluate("", document, STRING); 237 } 238 239 /** 240 * XPath.evaluate(java.lang.String expression, java.lang.Object item, QName 241 * returnType) throws IllegalArgumentException if returnType is not one of 242 * the types defined in XPathConstants. 243 * 244 * @throws XPathExpressionException If the expression cannot be evaluated. 245 */ 246 @Test(expectedExceptions = IllegalArgumentException.class) 247 public void testCheckXPath13() throws XPathExpressionException { 248 xpath.evaluate(EXPRESSION_NAME_A, document, TEST_QNAME); 249 } 250 251 /** 252 * XPath.evaluate(java.lang.String expression, java.lang.Object item, QName 253 * returnType) returns correct boolean value if returnType is Boolean. 254 * 255 * @throws XPathExpressionException If the expression cannot be evaluated. 256 */ 257 @Test 258 public void testCheckXPath14() throws XPathExpressionException { 259 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document, BOOLEAN), true); 260 } 261 262 /** 263 * XPath.evaluate(java.lang.String expression, java.lang.Object item, QName 264 * returnType) returns false as expression is not successful in evaluating 265 * to any result if returnType is Boolean. 266 * 267 * @throws XPathExpressionException If the expression cannot be evaluated. 268 */ 269 @Test 270 public void testCheckXPath15() throws XPathExpressionException { 271 assertEquals(xpath.evaluate(EXPRESSION_NAME_B, document, BOOLEAN), false); 272 } 273 274 /** 275 * XPath.evaluate(java.lang.String expression, java.lang.Object item, QName 276 * returnType) returns correct number value if return type is Number. 277 * 278 * @throws XPathExpressionException If the expression cannot be evaluated. 279 */ 280 @Test 281 public void testCheckXPath16() throws XPathExpressionException { 282 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document, NUMBER), 6d); 283 } 284 285 286 /** 287 * XPath.evaluate(java.lang.String expression, java.lang.Object item, QName 288 * returnType) returns correct string value if return type is Node. 289 * 290 * @throws XPathExpressionException If the expression cannot be evaluated. 291 */ 292 @Test 293 public void testCheckXPath17() throws XPathExpressionException { 294 assertEquals(((Attr)xpath.evaluate(EXPRESSION_NAME_A, document, NODE)).getValue(), "6"); 295 } 296 297 /** 298 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 299 * item, QName returnType). If return type is NodeList,the evaluated value 300 * equals to "6" as expected. 301 * 302 * @throws XPathExpressionException If the expression cannot be evaluated. 303 */ 304 @Test 305 public void testCheckXPath18() throws XPathExpressionException { 306 NodeList nodeList = (NodeList)xpath.evaluate(EXPRESSION_NAME_A, document, NODESET); 307 assertEquals(((Attr) nodeList.item(0)).getValue(), "6"); 308 } 309 310 /** 311 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 312 * item). If expression is null, should throw NPE. 313 * 314 * @throws XPathExpressionException If the expression cannot be evaluated. 315 */ 316 @Test(expectedExceptions = NullPointerException.class) 317 public void testCheckXPath19() throws XPathExpressionException { 318 xpath.evaluate(null, document); 319 } 320 321 /** 322 * Test for XPath.evaluate(java.lang.String expression, java.lang.Object 323 * item). If a request is made to evaluate the expression in the absence of 324 * a context item, simple expressions, such as "1+1", can be evaluated. 325 * 326 * @throws XPathExpressionException If the expression cannot be evaluated. 327 */ 328 @Test 329 public void testCheckXPath20() throws XPathExpressionException { 330 assertEquals(xpath.evaluate("1+1", document), "2"); 331 } 332 333 /** 334 * XPath.evaluate(java.lang.String expression, java.lang.Object item) throws 335 * NPE if InputSource is null. 336 * 337 * @throws XPathExpressionException If the expression cannot be evaluated. 338 */ 339 @Test(expectedExceptions = NullPointerException.class) 340 public void testCheckXPath21() throws XPathExpressionException { 341 xpath.evaluate(EXPRESSION_NAME_A, null); 342 } 343 344 /** 345 * XPath.evaluate(java.lang.String expression, InputSource source) return 346 * correct value by looking for Node. 347 * 348 * @throws Exception If any errors occur. 349 */ 350 @Test (groups = {"readLocalFiles"}) 351 public void testCheckXPath22() throws Exception { 352 try (InputStream is = Files.newInputStream(XML_PATH)) { 353 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is)), "6"); 354 } 355 } 356 357 /** 358 * XPath.evaluate(java.lang.String expression, InputSource source) throws 359 * NPE if InputSource is null. 360 * 361 * @throws XPathExpressionException If the expression cannot be evaluated. 362 */ 363 @Test(expectedExceptions = NullPointerException.class) 364 public void testCheckXPath23() throws XPathExpressionException { 365 xpath.evaluate(EXPRESSION_NAME_A, null); 366 } 367 368 /** 369 * XPath.evaluate(java.lang.String expression, InputSource source) throws 370 * NPE if String expression is null. 371 * 372 * @throws Exception If any errors occur. 373 */ 374 @Test(groups = {"readLocalFiles"}, expectedExceptions = NullPointerException.class) 375 public void testCheckXPath24() throws Exception { 376 try (InputStream is = Files.newInputStream(XML_PATH)) { 377 xpath.evaluate(null, new InputSource(is)); 378 } 379 } 380 381 /** 382 * Test for XPath.evaluate(java.lang.String expression, InputSource source). 383 * If expression is junk characters, expression cannot be evaluated, should 384 * throw XPathExpressionException. 385 * 386 * @throws Exception If any errors occur. 387 */ 388 @Test(groups = {"readLocalFiles"}, expectedExceptions = XPathExpressionException.class) 389 public void testCheckXPath25() throws Exception { 390 try (InputStream is = Files.newInputStream(XML_PATH)) { 391 xpath.evaluate("-*&", new InputSource(is)); 392 } 393 } 394 395 /** 396 * XPath.evaluate(java.lang.String expression, InputSource source) throws 397 * XPathExpressionException if expression is blank " ". 398 * 399 * @throws Exception If any errors occur. 400 */ 401 @Test(groups = {"readLocalFiles"}, expectedExceptions = XPathExpressionException.class) 402 public void testCheckXPath26() throws Exception { 403 try (InputStream is = Files.newInputStream(XML_PATH)) { 404 xpath.evaluate(" ", new InputSource(is)); 405 } 406 } 407 408 /** 409 * XPath.evaluate(java.lang.String expression, InputSource source, QName 410 * returnType) returns correct string value which return type is String. 411 * 412 * @throws Exception If any errors occur. 413 */ 414 @Test(groups = {"readLocalFiles"}) 415 public void testCheckXPath27() throws Exception { 416 try (InputStream is = Files.newInputStream(XML_PATH)) { 417 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), STRING), "6"); 418 } 419 } 420 421 /** 422 * XPath.evaluate(java.lang.String expression, InputSource source, QName 423 * returnType) throws NPE if source is null. 424 * 425 * @throws XPathExpressionException If the expression cannot be evaluated. 426 */ 427 @Test(expectedExceptions = NullPointerException.class) 428 public void testCheckXPath28() throws XPathExpressionException { 429 xpath.evaluate(EXPRESSION_NAME_A, null, STRING); 430 } 431 432 /** 433 * XPath.evaluate(java.lang.String expression, InputSource source, QName 434 * returnType) throws NPE if expression is null. 435 * 436 * @throws Exception If any errors occur. 437 */ 438 @Test(groups = {"readLocalFiles"}, expectedExceptions = NullPointerException.class) 439 public void testCheckXPath29() throws Exception { 440 try (InputStream is = Files.newInputStream(XML_PATH)) { 441 xpath.evaluate(null, new InputSource(is), STRING); 442 } 443 } 444 445 /** 446 * XPath.evaluate(java.lang.String expression, InputSource source, 447 * QName returnType) throws NPE if returnType is null. 448 * 449 * @throws Exception If any errors occur. 450 */ 451 @Test(groups = {"readLocalFiles"}, expectedExceptions = NullPointerException.class) 452 public void testCheckXPath30() throws Exception { 453 try (InputStream is = Files.newInputStream(XML_PATH)) { 454 xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), null); 455 } 456 } 457 458 /** 459 * XPath.evaluate(java.lang.String expression, InputSource source, QName 460 * returnType) throws XPathExpressionException if expression is junk characters. 461 * 462 * @throws Exception If any errors occur. 463 */ 464 @Test(groups = {"readLocalFiles"}, expectedExceptions = XPathExpressionException.class) 465 public void testCheckXPath31() throws Exception { 466 try (InputStream is = Files.newInputStream(XML_PATH)) { 467 xpath.evaluate("-*&", new InputSource(is), STRING); 468 } 469 } 470 471 /** 472 * XPath.evaluate(java.lang.String expression, InputSource source, QName 473 * returnType) throws XPathExpressionException if expression is blank " ". 474 * 475 * @throws Exception If any errors occur. 476 */ 477 @Test(groups = {"readLocalFiles"}, expectedExceptions = XPathExpressionException.class) 478 public void testCheckXPath32() throws Exception { 479 try (InputStream is = Files.newInputStream(XML_PATH)) { 480 xpath.evaluate(" ", new InputSource(is), STRING); 481 } 482 } 483 484 /** 485 * XPath.evaluate(java.lang.String expression, InputSource source, 486 * QName returnType) throws IllegalArgumentException if returnType is not 487 * one of the types defined in XPathConstants. 488 * 489 * @throws Exception If any errors occur. 490 */ 491 @Test(groups = {"readLocalFiles"}, expectedExceptions = IllegalArgumentException.class) 492 public void testCheckXPath33() throws Exception { 493 try (InputStream is = Files.newInputStream(XML_PATH)) { 494 xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), TEST_QNAME); 495 } 496 } 497 498 /** 499 * XPath.evaluate(java.lang.String expression, InputSource source, 500 * QName returnType) return correct boolean value if return type is Boolean. 501 * 502 * @throws Exception If any errors occur. 503 */ 504 @Test(groups = {"readLocalFiles"}) 505 public void testCheckXPath34() throws Exception { 506 try (InputStream is = Files.newInputStream(XML_PATH)) { 507 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), 508 BOOLEAN), true); 509 } 510 } 511 512 /** 513 * XPath.evaluate(java.lang.String expression, InputSource source, 514 * QName returnType) return correct boolean value if return type is Boolean. 515 * 516 * @throws Exception If any errors occur. 517 */ 518 @Test(groups = {"readLocalFiles"}) 519 public void testCheckXPath35() throws Exception { 520 try (InputStream is = Files.newInputStream(XML_PATH)) { 521 assertEquals(xpath.evaluate(EXPRESSION_NAME_B, new InputSource(is), 522 BOOLEAN), false); 523 } 524 } 525 526 /** 527 * XPath.evaluate(java.lang.String expression, InputSource source, 528 * QName returnType) return correct number value if return type is Number. 529 * 530 * @throws Exception If any errors occur. 531 */ 532 @Test(groups = {"readLocalFiles"}) 533 public void testCheckXPath36() throws Exception { 534 try (InputStream is = Files.newInputStream(XML_PATH)) { 535 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), 536 NUMBER), 6d); 537 } 538 } 539 540 /** 541 * XPath.evaluate(java.lang.String expression, InputSource source, 542 * QName returnType) return correct string value if return type is Node. 543 * 544 * @throws Exception If any errors occur. 545 */ 546 @Test(groups = {"readLocalFiles"}) 547 public void testCheckXPath37() throws Exception { 548 try (InputStream is = Files.newInputStream(XML_PATH)) { 549 assertEquals(((Attr)xpath.evaluate(EXPRESSION_NAME_A, 550 new InputSource(is), NODE)).getValue(), "6"); 551 } 552 } 553 554 /** 555 * Test for XPath.evaluate(java.lang.String expression, InputSource source, 556 * QName returnType) which return type is NodeList. 557 * 558 * @throws Exception If any errors occur. 559 */ 560 @Test(groups = {"readLocalFiles"}) 561 public void testCheckXPath38() throws Exception { 562 try (InputStream is = Files.newInputStream(XML_PATH)) { 563 NodeList nodeList = (NodeList)xpath.evaluate(EXPRESSION_NAME_A, 564 new InputSource(is), NODESET); 565 assertEquals(((Attr) nodeList.item(0)).getValue(), "6"); 566 } 567 } 568 569 /** 570 * Test for XPath.evaluate(java.lang.String expression, InputSource iSource, 571 * QName returnType). If return type is Boolean, should return false as 572 * expression is not successful in evaluating to any result. 573 * 574 * @throws Exception If any errors occur. 575 */ 576 @Test(groups = {"readLocalFiles"}) 577 public void testCheckXPath52() throws Exception { 578 try (InputStream is = Files.newInputStream(XML_PATH)) { 579 assertEquals(xpath.evaluate(EXPRESSION_NAME_B, new InputSource(is), 580 BOOLEAN), false); 581 } 582 } 583 584 /** 585 * XPath.evaluate(java.lang.String expression, InputSource iSource, QName 586 * returnType) returns correct number value which return type is Number. 587 * 588 * @throws Exception If any errors occur. 589 */ 590 @Test(groups = {"readLocalFiles"}) 591 public void testCheckXPath53() throws Exception { 592 try (InputStream is = Files.newInputStream(XML_PATH)) { 593 assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), 594 NUMBER), 6d); 595 } 596 } 597 598 /** 599 * XPath.evaluate(java.lang.String expression, InputSource iSource, QName 600 * returnType) returns a node value if returnType is Node. 601 * 602 * @throws Exception If any errors occur. 603 */ 604 @Test(groups = {"readLocalFiles"}) 605 public void testCheckXPath54() throws Exception { 606 try (InputStream is = Files.newInputStream(XML_PATH)) { 607 assertEquals(((Attr)xpath.evaluate(EXPRESSION_NAME_A, 608 new InputSource(is), NODE)).getValue(), "6"); 609 } 610 } 611 612 /** 613 * XPath.evaluate(java.lang.String expression, InputSource iSource, QName 614 * returnType) returns a node list if returnType is NodeList. 615 * 616 * @throws Exception If any errors occur. 617 */ 618 @Test(groups = {"readLocalFiles"}) 619 public void testCheckXPath55() throws Exception { 620 try (InputStream is = Files.newInputStream(XML_PATH)) { 621 NodeList nodeList = (NodeList)xpath.evaluate(EXPRESSION_NAME_A, 622 new InputSource(is), NODESET); 623 assertEquals(((Attr) nodeList.item(0)).getValue(), "6"); 624 } 625 } 626 627 /** 628 * Test for XPath.getNamespaceContext() returns the current namespace 629 * context, null is returned if no namespace context is in effect. 630 */ 631 @Test 632 public void testCheckXPath56() { 633 // CR 6376058 says that an impl will be provided, but by 634 // default we still return null here 635 assertNull(xpath.getNamespaceContext()); 636 } 637 638 /** 639 * Test for XPath.setNamespaceContext(NamespaceContext nsContext) Establish 640 * a namespace context. Set a valid nsContext and retrieve it using 641 * getNamespaceContext(), should return the same. 642 */ 643 @Test 644 public void testCheckXPath57() { 645 MyNamespaceContext myNamespaceContext = new MyNamespaceContext(); 646 xpath.setNamespaceContext(myNamespaceContext); 647 assertEquals(xpath.getNamespaceContext(), myNamespaceContext); 648 } 649 650 /** 651 * Test for XPath.setNamespaceContext(NamespaceContext nsContext) Establish 652 * a namespace context. NullPointerException is thrown if nsContext is null. 653 */ 654 @Test(expectedExceptions = NullPointerException.class) 655 public void testCheckXPath58() { 656 xpath.setNamespaceContext(null); 657 } 658 659 /** 660 * Test for XPath.getXPathFunctionResolver() Return the current function 661 * resolver. Null is returned if no function resolver is in effect. 662 */ 663 @Test 664 public void testCheckXPath59() { 665 assertNull(xpath.getXPathFunctionResolver()); 666 } 667 668 /** 669 * Test for XPath.setXPathFunctionResolver(XPathFunctionResolver resolver). 670 * Set a valid resolver and retrieve it using getXPathFunctionResolver(), 671 * should return the same. 672 */ 673 @Test 674 public void testCheckXPath60() { 675 xpath.setXPathFunctionResolver((functionName, arity) -> null); 676 assertNotNull(xpath.getXPathFunctionResolver()); 677 } 678 679 /** 680 * Test for XPath.setXPathFunctionResolver(XPathFunctionResolver resolver). 681 * set resolver as null, should throw NPE. 682 */ 683 @Test(expectedExceptions = NullPointerException.class) 684 public void testCheckXPath61() { 685 xpath.setXPathFunctionResolver(null); 686 } 687 688 /** 689 * Test for XPath.getXPathVariableResolver() Return the current variable 690 * resolver. null is returned if no variable resolver is in effect. 691 */ 692 @Test 693 public void testCheckXPath62() { 694 assertNull(xpath.getXPathVariableResolver()); 695 } 696 697 /** 698 * Test for XPath.setXPathVariableResolver(XPathVariableResolver resolver). 699 * Set a valid resolver and retrieve it using getXPathVariableResolver(), 700 * should return the same. 701 */ 702 @Test 703 public void testCheckXPath63() { 704 xpath.setXPathVariableResolver(qname -> null); 705 assertNotNull(xpath.getXPathVariableResolver()); 706 } 707 708 /** 709 * Test for XPath.setXPathVariableResolver(XPathVariableResolver resolver). 710 * Set resolver as null, should throw NPE. 711 */ 712 @Test(expectedExceptions = NullPointerException.class) 713 public void testCheckXPath64() { 714 xpath.setXPathVariableResolver(null); 715 } 716 717 /** 718 * Customized NamespaceContext used for test 719 */ 720 private class MyNamespaceContext implements NamespaceContext { 721 /** 722 * et Namespace URI bound to a prefix in the current scope. 723 * @param prefix prefix to look up 724 * @return a Namespace URI identical to prefix 725 */ 726 @Override 727 public String getNamespaceURI(String prefix) { 728 return prefix; 729 } 730 731 /** 732 * Get prefix bound to Namespace URI in the current scope. 733 * @param namespaceURI URI of Namespace to lookup 734 * @return prefix identical to URI of Namespace 735 */ 736 @Override 737 public String getPrefix(String namespaceURI) { 738 return namespaceURI; 739 } 740 741 /** 742 * Get all prefixes bound to a Namespace URI in the current scope. 743 * @param namespaceURI URI of Namespace to lookup 744 * @return null 745 */ 746 @Override 747 public Iterator getPrefixes(String namespaceURI) { 748 return null; 749 } 750 } 751 }