| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.struts2.views.jsp; |
| |
| import com.mockobjects.servlet.MockBodyContent; |
| import com.mockobjects.servlet.MockJspWriter; |
| import org.apache.commons.collections.ListUtils; |
| |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.tagext.TagSupport; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| |
| /** |
| * Test Case for Iterator Tag |
| * |
| */ |
| public class IteratorTagTest extends AbstractUITagTest { |
| |
| IteratorTag tag; |
| |
| |
| public void testIteratingWithIdSpecified() throws Exception { |
| List list = new ArrayList(); |
| list.add("one"); |
| list.add("two"); |
| list.add("three"); |
| list.add("four"); |
| list.add("five"); |
| |
| Foo foo = new Foo(); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| tag.setVar("myId"); |
| |
| // one |
| int result = tag.doStartTag(); |
| assertEquals(result, TagSupport.EVAL_BODY_INCLUDE); |
| assertEquals(stack.peek(), "one"); |
| assertEquals(stack.getContext().get("myId"), "one"); |
| |
| |
| tag.doInitBody(); |
| |
| // two |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals(stack.peek(), "two"); |
| assertEquals(stack.getContext().get("myId"), "two"); |
| |
| |
| // three |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals(stack.peek(), "three"); |
| assertEquals(stack.getContext().get("myId"), "three"); |
| |
| |
| // four |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals(stack.peek(), "four"); |
| assertEquals(stack.getContext().get("myId"), "four"); |
| |
| |
| // five |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals(stack.peek(), "five"); |
| assertEquals(stack.getContext().get("myId"), "five"); |
| |
| |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.SKIP_BODY); |
| |
| result = tag.doEndTag(); |
| assertEquals(result, TagSupport.EVAL_PAGE); |
| } |
| |
| public void testIteratingWithIdSpecifiedAndNullElementOnCollection() throws Exception { |
| List list = new ArrayList(); |
| list.add("one"); |
| list.add(null); |
| list.add("three"); |
| |
| Foo foo = new Foo(); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| tag.setVar("myId"); |
| |
| // one |
| int result = tag.doStartTag(); |
| assertEquals(result, TagSupport.EVAL_BODY_INCLUDE); |
| assertEquals(stack.peek(), "one"); |
| assertEquals(stack.getContext().get("myId"), "one"); |
| |
| |
| tag.doInitBody(); |
| |
| // two |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertNull(stack.peek()); |
| assertNull(stack.getContext().get("myId")); |
| |
| |
| // three |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals(stack.peek(), "three"); |
| assertEquals(stack.getContext().get("myId"), "three"); |
| |
| result = tag.doAfterBody(); |
| assertEquals(result, TagSupport.SKIP_BODY); |
| |
| result = tag.doEndTag(); |
| assertEquals(result, TagSupport.EVAL_PAGE); |
| } |
| |
| |
| public void testArrayIterator() { |
| Foo foo = new Foo(); |
| foo.setArray(new String[]{"test1", "test2", "test3"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| iterateThreeStrings(); |
| } |
| |
| public void testCollectionIterator() { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("test1"); |
| list.add("test2"); |
| list.add("test3"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| iterateThreeStrings(); |
| } |
| |
| public void testIteratorWithDefaultValue() { |
| stack.push(new String[]{"test1", "test2", "test3"}); |
| iterateThreeStrings(); |
| } |
| |
| public void testMapIterator() { |
| Foo foo = new Foo(); |
| HashMap map = new HashMap(); |
| map.put("test1", "123"); |
| map.put("test2", "456"); |
| map.put("test3", "789"); |
| foo.setMap(map); |
| |
| stack.push(foo); |
| |
| tag.setValue("map"); |
| |
| int result = 0; |
| |
| try { |
| result = tag.doStartTag(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(TagSupport.EVAL_BODY_INCLUDE, result); |
| assertEquals(4, stack.size()); |
| assertTrue(stack.getRoot().peek() instanceof Map.Entry); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(TagSupport.EVAL_BODY_AGAIN, result); |
| assertEquals(4, stack.size()); |
| assertTrue(stack.getRoot().peek() instanceof Map.Entry); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(TagSupport.EVAL_BODY_AGAIN, result); |
| assertEquals(4, stack.size()); |
| assertTrue(stack.getRoot().peek() instanceof Map.Entry); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(TagSupport.SKIP_BODY, result); |
| assertEquals(3, stack.size()); |
| } |
| |
| public void testStatus() { |
| Foo foo = new Foo(); |
| foo.setArray(new String[]{"test1", "test2", "test3"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| tag.setStatus("fooStatus"); |
| |
| int result = 0; |
| |
| try { |
| result = tag.doStartTag(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.EVAL_BODY_INCLUDE); |
| assertEquals("test1", stack.getRoot().peek()); |
| assertEquals(4, stack.size()); |
| |
| IteratorStatus status = (IteratorStatus) context.get("fooStatus"); |
| assertNotNull(status); |
| assertFalse(status.isLast()); |
| assertTrue(status.isFirst()); |
| assertEquals(0, status.getIndex()); |
| assertEquals(1, status.getCount()); |
| assertTrue(status.isOdd()); |
| assertFalse(status.isEven()); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals("test2", stack.getRoot().peek()); |
| assertEquals(4, stack.size()); |
| |
| status = (IteratorStatus) context.get("fooStatus"); |
| assertNotNull(status); |
| assertFalse(status.isLast()); |
| assertFalse(status.isFirst()); |
| assertEquals(1, status.getIndex()); |
| assertEquals(2, status.getCount()); |
| assertFalse(status.isOdd()); |
| assertTrue(status.isEven()); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals("test3", stack.getRoot().peek()); |
| assertEquals(4, stack.size()); |
| |
| status = (IteratorStatus) context.get("fooStatus"); |
| assertNotNull(status); |
| assertTrue(status.isLast()); |
| assertFalse(status.isFirst()); |
| assertEquals(2, status.getIndex()); |
| assertEquals(3, status.getCount()); |
| assertTrue(status.isOdd()); |
| assertFalse(status.isEven()); |
| } |
| |
| public void testEmptyArray() { |
| Foo foo = new Foo(); |
| foo.setArray(new String[]{}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| validateSkipBody(); |
| } |
| |
| public void testNullArray() { |
| Foo foo = new Foo(); |
| foo.setArray(null); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| validateSkipBody(); |
| } |
| |
| public void testEmptyCollection() { |
| Foo foo = new Foo(); |
| foo.setList(new ArrayList()); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| validateSkipBody(); |
| } |
| |
| public void testNullCollection() { |
| Foo foo = new Foo(); |
| foo.setList(null); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| validateSkipBody(); |
| } |
| |
| public void testCounter() throws JspException { |
| tag.setBegin("0"); |
| tag.setEnd("5"); |
| validateCounter(new Integer[]{0, 1, 2, 3, 4, 5}); |
| } |
| |
| public void testCounterWithStackValues() throws JspException { |
| stack.getContext().put("begin", 0); |
| stack.getContext().put("end", 5); |
| tag.setBegin("%{#begin}"); |
| tag.setEnd("%{#end}"); |
| validateCounter(new Integer[]{0, 1, 2, 3, 4, 5}); |
| } |
| |
| public void testCounterWithList() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setBegin("0"); |
| tag.setEnd("2"); |
| validateCounter(new String[]{"a", "b", "c"}); |
| } |
| |
| public void testCounterWithArray() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| foo.setArray(new String[]{"a", "b", "c", "d"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| tag.setBegin("0"); |
| tag.setEnd("2"); |
| validateCounter(new String[]{"a", "b", "c"}); |
| } |
| |
| |
| public void testCounterWithListNoEnd() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setBegin("0"); |
| validateCounter(new String[]{"a", "b", "c", "d"}); |
| } |
| |
| public void testCounterWithArrayNoEnd() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| foo.setArray(new String[]{"a", "b", "c", "d"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| tag.setBegin("0"); |
| validateCounter(new String[]{"a", "b", "c", "d"}); |
| } |
| |
| public void testCounterWithList2() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setBegin("1"); |
| tag.setEnd("2"); |
| validateCounter(new String[]{"b", "c"}); |
| } |
| |
| public void testCounterWithArray2() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| foo.setArray(new String[]{"a", "b", "c", "d"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| tag.setBegin("1"); |
| tag.setEnd("2"); |
| validateCounter(new String[]{"b", "c"}); |
| } |
| |
| public void testCounterWithListNoEnd2() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setBegin("2"); |
| validateCounter(new String[]{"c", "d"}); |
| } |
| |
| public void testCounterWithArrayNoEnd2() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| foo.setArray(new String[]{"a", "b", "c", "d"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| tag.setBegin("2"); |
| validateCounter(new String[]{"c", "d"}); |
| } |
| |
| public void testCounter2() throws JspException { |
| tag.setBegin("2"); |
| tag.setEnd("5"); |
| validateCounter(new Integer[]{2, 3, 4, 5}); |
| } |
| |
| public void testCounterWithStep() throws JspException { |
| tag.setBegin("0"); |
| tag.setEnd("5"); |
| tag.setStep("2"); |
| validateCounter(new Integer[]{0, 2, 4}); |
| } |
| |
| public void testCounterWithListAndStep() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setStep("2"); |
| tag.setBegin("0"); |
| tag.setEnd("3"); |
| |
| validateCounter(new String[]{"a", "c"}); |
| } |
| |
| public void testCounterWithArrayAndStep() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| foo.setArray(new String[]{"a", "b", "c", "d"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| tag.setStep("2"); |
| tag.setBegin("0"); |
| tag.setEnd("3"); |
| |
| validateCounter(new String[]{"a", "c"}); |
| } |
| |
| public void testCounterWithListAndStepNoEnd() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setStep("2"); |
| tag.setBegin("0"); |
| |
| validateCounter(new String[]{"a", "c"}); |
| } |
| |
| public void testCounterWithArrayAndStepNoEnd() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| foo.setArray(new String[]{"a", "b", "c", "d"}); |
| |
| stack.push(foo); |
| |
| tag.setValue("array"); |
| |
| tag.setStep("2"); |
| tag.setBegin("0"); |
| |
| validateCounter(new String[]{"a", "c"}); |
| } |
| |
| public void testCounterWithNegativeStep() throws JspException { |
| tag.setBegin("8"); |
| tag.setEnd("5"); |
| tag.setStep("-1"); |
| validateCounter(new Integer[]{8, 7, 6, 5}); |
| } |
| |
| public void testCounterWithListAndNegativeStep() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setStep("-1"); |
| tag.setBegin("3"); |
| tag.setEnd("1"); |
| |
| validateCounter(new String[]{"d", "c", "b"}); |
| } |
| |
| public void testCounterWithListAndNegativeStepNoEnd() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setStep("-1"); |
| tag.setBegin("3"); |
| |
| validateCounter(new String[]{"d", "c", "b", "a"}); |
| } |
| |
| public void testCounterWithArrayAndNegativeStep() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setStep("-1"); |
| tag.setBegin("3"); |
| tag.setEnd("1"); |
| |
| validateCounter(new String[]{"d", "c", "b"}); |
| } |
| |
| public void testCounterWithArrayAndNegativeStepNoEnd() throws JspException { |
| Foo foo = new Foo(); |
| ArrayList list = new ArrayList(); |
| list.add("a"); |
| list.add("b"); |
| list.add("c"); |
| list.add("d"); |
| foo.setList(list); |
| |
| stack.push(foo); |
| |
| tag.setValue("list"); |
| |
| tag.setStep("-1"); |
| tag.setBegin("3"); |
| |
| validateCounter(new String[]{"d", "c", "b", "a"}); |
| } |
| |
| protected void validateCounter(Object[] expectedValues) throws JspException { |
| List values = new ArrayList(); |
| try { |
| int result = tag.doStartTag(); |
| assertEquals(result, TagSupport.EVAL_BODY_INCLUDE); |
| values.add(stack.getRoot().peek()); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| while (tag.doAfterBody() == TagSupport.EVAL_BODY_AGAIN) { |
| values.add(stack.getRoot().peek()); |
| } |
| |
| assertEquals(expectedValues.length, values.size()); |
| ListUtils.isEqualList(Arrays.asList(expectedValues), values); |
| } |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| // create the needed objects |
| tag = new IteratorTag(); |
| |
| MockBodyContent mockBodyContent = new TestMockBodyContent(); |
| mockBodyContent.setupGetEnclosingWriter(new MockJspWriter()); |
| tag.setBodyContent(mockBodyContent); |
| |
| // associate the tag with the mock page request |
| tag.setPageContext(pageContext); |
| } |
| |
| private void iterateThreeStrings() { |
| int result = 0; |
| |
| try { |
| result = tag.doStartTag(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.EVAL_BODY_INCLUDE); |
| assertEquals("test1", stack.getRoot().peek()); |
| assertEquals(4, stack.size()); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals("test2", stack.getRoot().peek()); |
| assertEquals(4, stack.size()); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.EVAL_BODY_AGAIN); |
| assertEquals("test3", stack.getRoot().peek()); |
| assertEquals(4, stack.size()); |
| |
| try { |
| result = tag.doAfterBody(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.SKIP_BODY); |
| assertEquals(3, stack.size()); |
| } |
| |
| private void validateSkipBody() { |
| int result = 0; |
| |
| try { |
| result = tag.doStartTag(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| |
| assertEquals(result, TagSupport.SKIP_BODY); |
| try { |
| result = tag.doEndTag(); |
| } catch (JspException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| } |
| |
| class Foo { |
| private Collection list; |
| private Map map; |
| private String[] array; |
| |
| public void setArray(String[] array) { |
| this.array = array; |
| } |
| |
| public String[] getArray() { |
| return array; |
| } |
| |
| public void setList(Collection list) { |
| this.list = list; |
| } |
| |
| public Collection getList() { |
| return list; |
| } |
| |
| public void setMap(Map map) { |
| this.map = map; |
| } |
| |
| public Map getMap() { |
| return map; |
| } |
| } |
| |
| class TestMockBodyContent extends MockBodyContent { |
| public String getString() { |
| return ".-."; |
| } |
| } |
| } |