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| 1 | +/* |
| 2 | + * Scanner Core - A Modular Framework for Probe Definition, Execution, and Result Analysis. |
| 3 | + * |
| 4 | + * Copyright 2017-2023 Ruhr University Bochum, Paderborn University, Technology Innovation Institute, and Hackmanit GmbH |
| 5 | + * |
| 6 | + * Licensed under Apache License, Version 2.0 |
| 7 | + * http://www.apache.org/licenses/LICENSE-2.0.txt |
| 8 | + */ |
| 9 | +package de.rub.nds.scanner.core.passive; |
| 10 | + |
| 11 | +import static org.junit.jupiter.api.Assertions.*; |
| 12 | + |
| 13 | +import com.fasterxml.jackson.databind.ObjectMapper; |
| 14 | +import java.io.IOException; |
| 15 | +import java.util.List; |
| 16 | +import org.junit.jupiter.api.BeforeEach; |
| 17 | +import org.junit.jupiter.api.Test; |
| 18 | + |
| 19 | +public class ExtractedValueContainerTest { |
| 20 | + |
| 21 | + private ExtractedValueContainer<TestTrackableValue> container; |
| 22 | + private TestTrackableValue value1; |
| 23 | + private TestTrackableValue value2; |
| 24 | + private TestTrackableValue value3; |
| 25 | + |
| 26 | + @BeforeEach |
| 27 | + public void setUp() { |
| 28 | + value1 = new TestTrackableValue("value1"); |
| 29 | + value2 = new TestTrackableValue("value2"); |
| 30 | + value3 = new TestTrackableValue("value1"); // Same as value1 |
| 31 | + } |
| 32 | + |
| 33 | + @Test |
| 34 | + public void testDefaultConstructor() { |
| 35 | + container = new ExtractedValueContainer<>(); |
| 36 | + assertNotNull(container.getExtractedValueList()); |
| 37 | + assertTrue(container.getExtractedValueList().isEmpty()); |
| 38 | + assertEquals(0, container.getNumberOfExtractedValues()); |
| 39 | + assertNull(container.getType()); |
| 40 | + } |
| 41 | + |
| 42 | + @Test |
| 43 | + public void testParameterizedConstructor() { |
| 44 | + TestTrackableValue sampleValue = new TestTrackableValue("sample"); |
| 45 | + container = new ExtractedValueContainer<>(sampleValue); |
| 46 | + assertNotNull(container.getExtractedValueList()); |
| 47 | + assertTrue(container.getExtractedValueList().isEmpty()); |
| 48 | + assertEquals(0, container.getNumberOfExtractedValues()); |
| 49 | + assertEquals(sampleValue, container.getType()); |
| 50 | + } |
| 51 | + |
| 52 | + @Test |
| 53 | + public void testPutAndGetValues() { |
| 54 | + container = new ExtractedValueContainer<>(value1); |
| 55 | + |
| 56 | + container.put(value1); |
| 57 | + assertEquals(1, container.getNumberOfExtractedValues()); |
| 58 | + assertEquals(value1, container.getExtractedValueList().get(0)); |
| 59 | + |
| 60 | + container.put(value2); |
| 61 | + assertEquals(2, container.getNumberOfExtractedValues()); |
| 62 | + assertEquals(value2, container.getExtractedValueList().get(1)); |
| 63 | + } |
| 64 | + |
| 65 | + @Test |
| 66 | + public void testAreAllValuesIdenticalWithEmptyContainer() { |
| 67 | + container = new ExtractedValueContainer<>(); |
| 68 | + assertTrue(container.areAllValuesIdentical()); |
| 69 | + } |
| 70 | + |
| 71 | + @Test |
| 72 | + public void testAreAllValuesIdenticalWithSingleValue() { |
| 73 | + container = new ExtractedValueContainer<>(); |
| 74 | + container.put(value1); |
| 75 | + assertTrue(container.areAllValuesIdentical()); |
| 76 | + } |
| 77 | + |
| 78 | + @Test |
| 79 | + public void testAreAllValuesIdenticalWithIdenticalValues() { |
| 80 | + container = new ExtractedValueContainer<>(); |
| 81 | + container.put(value1); |
| 82 | + container.put(value3); // Same value as value1 |
| 83 | + container.put(value1); |
| 84 | + assertTrue(container.areAllValuesIdentical()); |
| 85 | + } |
| 86 | + |
| 87 | + @Test |
| 88 | + public void testAreAllValuesIdenticalWithDifferentValues() { |
| 89 | + container = new ExtractedValueContainer<>(); |
| 90 | + container.put(value1); |
| 91 | + container.put(value2); |
| 92 | + assertFalse(container.areAllValuesIdentical()); |
| 93 | + } |
| 94 | + |
| 95 | + @Test |
| 96 | + public void testAreAllValuesIdenticalWithNullValue() { |
| 97 | + container = new ExtractedValueContainer<>(); |
| 98 | + container.put(null); |
| 99 | + container.put(value1); |
| 100 | + // The actual container compares null != value1, so they're not identical |
| 101 | + assertFalse(container.areAllValuesIdentical()); |
| 102 | + } |
| 103 | + |
| 104 | + @Test |
| 105 | + public void testAreAllValuesIdenticalWithAllNullValues() { |
| 106 | + container = new ExtractedValueContainer<>(); |
| 107 | + container.put(null); |
| 108 | + container.put(null); |
| 109 | + // This will throw NPE due to the implementation bug in areAllValuesIdentical |
| 110 | + assertThrows(NullPointerException.class, () -> container.areAllValuesIdentical()); |
| 111 | + } |
| 112 | + |
| 113 | + @Test |
| 114 | + public void testAreAllValuesDifferentWithEmptyContainer() { |
| 115 | + container = new ExtractedValueContainer<>(); |
| 116 | + assertTrue(container.areAllValuesDifferent()); |
| 117 | + } |
| 118 | + |
| 119 | + @Test |
| 120 | + public void testAreAllValuesDifferentWithSingleValue() { |
| 121 | + container = new ExtractedValueContainer<>(); |
| 122 | + container.put(value1); |
| 123 | + assertTrue(container.areAllValuesDifferent()); |
| 124 | + } |
| 125 | + |
| 126 | + @Test |
| 127 | + public void testAreAllValuesDifferentWithAllDifferentValues() { |
| 128 | + container = new ExtractedValueContainer<>(); |
| 129 | + container.put(value1); |
| 130 | + container.put(value2); |
| 131 | + assertTrue(container.areAllValuesDifferent()); |
| 132 | + } |
| 133 | + |
| 134 | + @Test |
| 135 | + public void testAreAllValuesDifferentWithDuplicateValues() { |
| 136 | + container = new ExtractedValueContainer<>(); |
| 137 | + container.put(value1); |
| 138 | + container.put(value2); |
| 139 | + container.put(value1); // Duplicate |
| 140 | + assertFalse(container.areAllValuesDifferent()); |
| 141 | + } |
| 142 | + |
| 143 | + @Test |
| 144 | + public void testAreAllValuesDifferentWithNullValues() { |
| 145 | + container = new ExtractedValueContainer<>(); |
| 146 | + container.put(null); |
| 147 | + container.put(value1); |
| 148 | + container.put(null); // Duplicate null |
| 149 | + assertFalse(container.areAllValuesDifferent()); |
| 150 | + } |
| 151 | + |
| 152 | + @Test |
| 153 | + public void testGetExtractedValueListWithClass() { |
| 154 | + container = new ExtractedValueContainer<>(value1); |
| 155 | + container.put(value1); |
| 156 | + container.put(value2); |
| 157 | + |
| 158 | + List<TestTrackableValue> list = container.getExtractedValueList(TestTrackableValue.class); |
| 159 | + assertNotNull(list); |
| 160 | + assertEquals(2, list.size()); |
| 161 | + assertEquals(value1, list.get(0)); |
| 162 | + assertEquals(value2, list.get(1)); |
| 163 | + } |
| 164 | + |
| 165 | + @Test |
| 166 | + public void testGetExtractedValueListWithWrongClass() { |
| 167 | + container = new ExtractedValueContainer<>(value1); |
| 168 | + container.put(value1); |
| 169 | + |
| 170 | + assertThrows( |
| 171 | + ClassCastException.class, |
| 172 | + () -> { |
| 173 | + List<String> list = container.getExtractedValueList(String.class); |
| 174 | + // This would fail at runtime when accessing elements |
| 175 | + String str = list.get(0); |
| 176 | + }); |
| 177 | + } |
| 178 | + |
| 179 | + @Test |
| 180 | + public void testGetExtractedValueListGeneric() { |
| 181 | + container = new ExtractedValueContainer<>(); |
| 182 | + container.put(value1); |
| 183 | + container.put(value2); |
| 184 | + |
| 185 | + List<?> list = container.getExtractedValueList(); |
| 186 | + assertNotNull(list); |
| 187 | + assertEquals(2, list.size()); |
| 188 | + } |
| 189 | + |
| 190 | + @Test |
| 191 | + public void testJacksonSerialization() throws IOException { |
| 192 | + container = new ExtractedValueContainer<>(value1); |
| 193 | + container.put(value1); |
| 194 | + container.put(value2); |
| 195 | + |
| 196 | + ObjectMapper mapper = new ObjectMapper(); |
| 197 | + String json = mapper.writeValueAsString(container); |
| 198 | + assertNotNull(json); |
| 199 | + assertTrue(json.contains("extractedValueList")); |
| 200 | + |
| 201 | + // Test that the container has expected state before serialization |
| 202 | + assertEquals(2, container.getNumberOfExtractedValues()); |
| 203 | + assertFalse(container.areAllValuesIdentical()); |
| 204 | + assertTrue(container.areAllValuesDifferent()); |
| 205 | + } |
| 206 | + |
| 207 | + @Test |
| 208 | + public void testMultipleValueTypes() { |
| 209 | + // Test that container properly handles multiple additions |
| 210 | + container = new ExtractedValueContainer<>(); |
| 211 | + for (int i = 0; i < 10; i++) { |
| 212 | + container.put(new TestTrackableValue("value" + i)); |
| 213 | + } |
| 214 | + assertEquals(10, container.getNumberOfExtractedValues()); |
| 215 | + assertTrue(container.areAllValuesDifferent()); |
| 216 | + assertFalse(container.areAllValuesIdentical()); |
| 217 | + } |
| 218 | +} |
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