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| 1 | +package com.rabbitmq.client.impl; |
| 2 | + |
| 3 | +import junit.framework.TestCase; |
| 4 | + |
| 5 | +import java.util.ArrayList; |
| 6 | +import java.util.List; |
| 7 | + |
| 8 | +/** |
| 9 | + * Unit tests for {@link WorkPool} |
| 10 | + */ |
| 11 | +public class WorkPoolTests extends TestCase { |
| 12 | + |
| 13 | + private WorkPool<String, Object> pool = new WorkPool<String, Object>(); |
| 14 | + |
| 15 | + /** |
| 16 | + * Test that an unknown key is rejected. |
| 17 | + */ |
| 18 | + public void testUnkownKey() { |
| 19 | + try { |
| 20 | + this.pool.addWorkItem("test", new Object()); |
| 21 | + fail("Expected IllegalArgumentException"); |
| 22 | + } catch (IllegalArgumentException e) { |
| 23 | + // expected |
| 24 | + } |
| 25 | + } |
| 26 | + |
| 27 | + /** |
| 28 | + * Test basic add work and remove work. |
| 29 | + * @throws Exception untested |
| 30 | + */ |
| 31 | + public void testBasicInOut() throws Exception { |
| 32 | + Object one = new Object(); |
| 33 | + Object two = new Object(); |
| 34 | + |
| 35 | + this.pool.registerKey("test"); |
| 36 | + assertTrue(this.pool.addWorkItem("test", one)); |
| 37 | + assertFalse(this.pool.addWorkItem("test", two)); |
| 38 | + |
| 39 | + List<Object> workList = new ArrayList<Object>(16); |
| 40 | + String key = this.pool.nextWorkBlock(workList, 1); |
| 41 | + assertEquals("test", key); |
| 42 | + assertEquals(1, workList.size()); |
| 43 | + assertEquals(one, workList.get(0)); |
| 44 | + |
| 45 | + assertTrue("Should be made ready", this.pool.finishWorkBlock(key)); |
| 46 | + |
| 47 | + workList.clear(); |
| 48 | + key = this.pool.nextWorkBlock(workList, 1); |
| 49 | + assertEquals("Work client key wrong", "test", key); |
| 50 | + assertEquals("Wrong work delivered", two, workList.get(0)); |
| 51 | + |
| 52 | + assertFalse("Should not be made ready after this.", this.pool.finishWorkBlock(key)); |
| 53 | + |
| 54 | + assertNull("Shouldn't be more work", this.pool.nextWorkBlock(workList, 1)); |
| 55 | + } |
| 56 | + |
| 57 | + /** |
| 58 | + * Test add work when work in progress. |
| 59 | + * @throws Exception untested |
| 60 | + */ |
| 61 | + public void testWorkInWhileInProgress() throws Exception { |
| 62 | + Object one = new Object(); |
| 63 | + Object two = new Object(); |
| 64 | + |
| 65 | + this.pool.registerKey("test"); |
| 66 | + assertTrue(this.pool.addWorkItem("test", one)); |
| 67 | + |
| 68 | + List<Object> workList = new ArrayList<Object>(16); |
| 69 | + String key = this.pool.nextWorkBlock(workList, 1); |
| 70 | + assertEquals("test", key); |
| 71 | + assertEquals(1, workList.size()); |
| 72 | + assertEquals(one, workList.get(0)); |
| 73 | + |
| 74 | + assertFalse(this.pool.addWorkItem("test", two)); |
| 75 | + |
| 76 | + assertTrue(this.pool.finishWorkBlock(key)); |
| 77 | + |
| 78 | + workList.clear(); |
| 79 | + key = this.pool.nextWorkBlock(workList, 1); |
| 80 | + assertEquals("test", key); |
| 81 | + assertEquals(1, workList.size()); |
| 82 | + assertEquals(two, workList.get(0)); |
| 83 | + } |
| 84 | + |
| 85 | + /** |
| 86 | + * Test multiple work keys. |
| 87 | + * @throws Exception untested |
| 88 | + */ |
| 89 | + public void testInterleavingKeys() throws Exception { |
| 90 | + Object one = new Object(); |
| 91 | + Object two = new Object(); |
| 92 | + Object three = new Object(); |
| 93 | + |
| 94 | + this.pool.registerKey("test1"); |
| 95 | + this.pool.registerKey("test2"); |
| 96 | + |
| 97 | + assertTrue(this.pool.addWorkItem("test1", one)); |
| 98 | + assertTrue(this.pool.addWorkItem("test2", two)); |
| 99 | + assertFalse(this.pool.addWorkItem("test1", three)); |
| 100 | + |
| 101 | + List<Object> workList = new ArrayList<Object>(16); |
| 102 | + String key = this.pool.nextWorkBlock(workList, 3); |
| 103 | + assertEquals("test1", key); |
| 104 | + assertEquals(2, workList.size()); |
| 105 | + assertEquals(one, workList.get(0)); |
| 106 | + assertEquals(three, workList.get(1)); |
| 107 | + |
| 108 | + workList.clear(); |
| 109 | + |
| 110 | + key = this.pool.nextWorkBlock(workList, 2); |
| 111 | + assertEquals("test2", key); |
| 112 | + assertEquals(1, workList.size()); |
| 113 | + assertEquals(two, workList.get(0)); |
| 114 | + } |
| 115 | + |
| 116 | + /** |
| 117 | + * Test removal of key (with work) |
| 118 | + * @throws Exception untested |
| 119 | + */ |
| 120 | + public void testUnregisterKey() throws Exception { |
| 121 | + Object one = new Object(); |
| 122 | + Object two = new Object(); |
| 123 | + Object three = new Object(); |
| 124 | + |
| 125 | + this.pool.registerKey("test1"); |
| 126 | + this.pool.registerKey("test2"); |
| 127 | + |
| 128 | + assertTrue(this.pool.addWorkItem("test1", one)); |
| 129 | + assertTrue(this.pool.addWorkItem("test2", two)); |
| 130 | + assertFalse(this.pool.addWorkItem("test1", three)); |
| 131 | + |
| 132 | + this.pool.unregisterKey("test1"); |
| 133 | + |
| 134 | + List<Object> workList = new ArrayList<Object>(16); |
| 135 | + String key = this.pool.nextWorkBlock(workList, 3); |
| 136 | + assertEquals("test2", key); |
| 137 | + assertEquals(1, workList.size()); |
| 138 | + assertEquals(two, workList.get(0)); |
| 139 | + } |
| 140 | + |
| 141 | + /** |
| 142 | + * Test removal of all keys (with work). |
| 143 | + * @throws Exception untested |
| 144 | + */ |
| 145 | + public void testUnregisterAllKeys() throws Exception { |
| 146 | + Object one = new Object(); |
| 147 | + Object two = new Object(); |
| 148 | + Object three = new Object(); |
| 149 | + |
| 150 | + this.pool.registerKey("test1"); |
| 151 | + this.pool.registerKey("test2"); |
| 152 | + |
| 153 | + assertTrue(this.pool.addWorkItem("test1", one)); |
| 154 | + assertTrue(this.pool.addWorkItem("test2", two)); |
| 155 | + assertFalse(this.pool.addWorkItem("test1", three)); |
| 156 | + |
| 157 | + this.pool.unregisterAllKeys(); |
| 158 | + |
| 159 | + List<Object> workList = new ArrayList<Object>(16); |
| 160 | + assertNull(this.pool.nextWorkBlock(workList, 1)); |
| 161 | + } |
| 162 | +} |
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