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| 1 | +package com.akto.action; |
| 2 | + |
| 3 | +import com.akto.dto.filter.MergedUrls; |
| 4 | +import com.akto.util.Constants; |
| 5 | +import org.junit.Test; |
| 6 | + |
| 7 | +import java.util.HashSet; |
| 8 | +import java.util.Set; |
| 9 | + |
| 10 | +import static org.junit.Assert.*; |
| 11 | + |
| 12 | +/** |
| 13 | + * Unit tests for merged URLs filtering logic in DbLayer.fetchStiBasedOnHostHeaders() |
| 14 | + * Tests the filtering that applies to account ID 1759386565 (Constants.MERGED_URLS_FILTER_ACCOUNT_ID) |
| 15 | + * |
| 16 | + * This test verifies that: |
| 17 | + * 1. MergedUrls equality works correctly based on (url, method, apiCollectionId) |
| 18 | + * 2. HashSet contains() method works properly with MergedUrls |
| 19 | + * 3. The filtering logic correctly identifies STIs that should be filtered out |
| 20 | + */ |
| 21 | +public class MergedUrlsFilterTest { |
| 22 | + |
| 23 | + /** |
| 24 | + * Test that MergedUrls equality works correctly |
| 25 | + * This is critical for the Set.contains() check in the filtering logic |
| 26 | + */ |
| 27 | + @Test |
| 28 | + public void testMergedUrlsEquality() { |
| 29 | + MergedUrls url1 = new MergedUrls("api/users/123", "GET", 1000); |
| 30 | + MergedUrls url2 = new MergedUrls("api/users/123", "GET", 1000); |
| 31 | + MergedUrls url3 = new MergedUrls("api/users/456", "GET", 1000); |
| 32 | + MergedUrls url4 = new MergedUrls("api/users/123", "POST", 1000); |
| 33 | + MergedUrls url5 = new MergedUrls("api/users/123", "GET", 2000); |
| 34 | + |
| 35 | + // Same url, method, and apiCollectionId should be equal |
| 36 | + assertEquals("Same parameters should be equal", url1, url2); |
| 37 | + assertEquals("Hash codes should match", url1.hashCode(), url2.hashCode()); |
| 38 | + |
| 39 | + // Different url should not be equal |
| 40 | + assertNotEquals("Different URL should not be equal", url1, url3); |
| 41 | + |
| 42 | + // Different method should not be equal |
| 43 | + assertNotEquals("Different method should not be equal", url1, url4); |
| 44 | + |
| 45 | + // Different apiCollectionId should not be equal |
| 46 | + assertNotEquals("Different apiCollectionId should not be equal", url1, url5); |
| 47 | + } |
| 48 | + |
| 49 | + /** |
| 50 | + * Test that HashSet contains() works with MergedUrls |
| 51 | + * This simulates the core filtering logic: mergedUrlsSet.contains(stiAsUrl) |
| 52 | + */ |
| 53 | + @Test |
| 54 | + public void testMergedUrlsSetContains() { |
| 55 | + Set<MergedUrls> mergedUrlsSet = new HashSet<>(); |
| 56 | + |
| 57 | + // Add some merged URLs to the set |
| 58 | + mergedUrlsSet.add(new MergedUrls("api/users/INTEGER", "GET", 1000)); |
| 59 | + mergedUrlsSet.add(new MergedUrls("api/products/STRING", "POST", 1000)); |
| 60 | + mergedUrlsSet.add(new MergedUrls("api/orders/OBJECT_ID", "GET", 2000)); |
| 61 | + |
| 62 | + // Test that contains() works for exact matches |
| 63 | + assertTrue("Should find exact match", |
| 64 | + mergedUrlsSet.contains(new MergedUrls("api/users/INTEGER", "GET", 1000))); |
| 65 | + |
| 66 | + assertTrue("Should find exact match with different URL", |
| 67 | + mergedUrlsSet.contains(new MergedUrls("api/products/STRING", "POST", 1000))); |
| 68 | + |
| 69 | + // Test that contains() returns false for non-matches |
| 70 | + assertFalse("Should not find with different URL", |
| 71 | + mergedUrlsSet.contains(new MergedUrls("api/users/123", "GET", 1000))); |
| 72 | + |
| 73 | + assertFalse("Should not find with different method", |
| 74 | + mergedUrlsSet.contains(new MergedUrls("api/users/INTEGER", "POST", 1000))); |
| 75 | + |
| 76 | + assertFalse("Should not find with different apiCollectionId", |
| 77 | + mergedUrlsSet.contains(new MergedUrls("api/users/INTEGER", "GET", 3000))); |
| 78 | + |
| 79 | + assertFalse("Should not find URL not in set", |
| 80 | + mergedUrlsSet.contains(new MergedUrls("api/not/exists", "GET", 1000))); |
| 81 | + } |
| 82 | + |
| 83 | + /** |
| 84 | + * Test filtering logic - determines which STIs should be kept vs filtered out |
| 85 | + */ |
| 86 | + @Test |
| 87 | + public void testMergedUrlsFilteringLogic() { |
| 88 | + // Create merged URLs set (simulates what's cached in DbLayer) |
| 89 | + Set<MergedUrls> mergedUrlsSet = new HashSet<>(); |
| 90 | + mergedUrlsSet.add(new MergedUrls("api/users/INTEGER", "GET", 100)); |
| 91 | + mergedUrlsSet.add(new MergedUrls("api/products/STRING", "POST", 100)); |
| 92 | + mergedUrlsSet.add(new MergedUrls("api/orders/INTEGER", "GET", 200)); |
| 93 | + |
| 94 | + // Test Case 1: STI matching merged URL - should be FILTERED OUT |
| 95 | + MergedUrls sti1 = new MergedUrls("api/users/INTEGER", "GET", 100); |
| 96 | + boolean shouldFilter1 = mergedUrlsSet.contains(sti1); |
| 97 | + assertTrue("STI matching merged URL should be filtered", shouldFilter1); |
| 98 | + |
| 99 | + // Test Case 2: STI with concrete URL - should be KEPT |
| 100 | + MergedUrls sti2 = new MergedUrls("api/users/123", "GET", 100); |
| 101 | + boolean shouldFilter2 = mergedUrlsSet.contains(sti2); |
| 102 | + assertFalse("STI with concrete URL should not be filtered", shouldFilter2); |
| 103 | + |
| 104 | + // Test Case 3: STI matching merged URL - should be FILTERED OUT |
| 105 | + MergedUrls sti3 = new MergedUrls("api/products/STRING", "POST", 100); |
| 106 | + boolean shouldFilter3 = mergedUrlsSet.contains(sti3); |
| 107 | + assertTrue("STI matching merged URL should be filtered", shouldFilter3); |
| 108 | + |
| 109 | + // Test Case 4: STI with different method - should be KEPT |
| 110 | + MergedUrls sti4 = new MergedUrls("api/users/INTEGER", "POST", 100); |
| 111 | + boolean shouldFilter4 = mergedUrlsSet.contains(sti4); |
| 112 | + assertFalse("STI with different method should not be filtered", shouldFilter4); |
| 113 | + |
| 114 | + // Test Case 5: STI with different collection - should be KEPT |
| 115 | + MergedUrls sti5 = new MergedUrls("api/users/INTEGER", "GET", 300); |
| 116 | + boolean shouldFilter5 = mergedUrlsSet.contains(sti5); |
| 117 | + assertFalse("STI with different apiCollectionId should not be filtered", shouldFilter5); |
| 118 | + |
| 119 | + // Test Case 6: STI matching merged URL in different collection - should be FILTERED OUT |
| 120 | + MergedUrls sti6 = new MergedUrls("api/orders/INTEGER", "GET", 200); |
| 121 | + boolean shouldFilter6 = mergedUrlsSet.contains(sti6); |
| 122 | + assertTrue("STI matching merged URL in collection 200 should be filtered", shouldFilter6); |
| 123 | + } |
| 124 | + |
| 125 | + /** |
| 126 | + * Test realistic scenario with template URLs |
| 127 | + */ |
| 128 | + @Test |
| 129 | + public void testRealisticTemplateUrlScenario() { |
| 130 | + Set<MergedUrls> mergedUrlsSet = new HashSet<>(); |
| 131 | + |
| 132 | + // Add merged template URLs (these would come from the merged_urls collection) |
| 133 | + mergedUrlsSet.add(new MergedUrls("api/v1/users/INTEGER", "GET", Constants.MERGED_URLS_FILTER_ACCOUNT_ID)); |
| 134 | + mergedUrlsSet.add(new MergedUrls("api/v1/users/INTEGER/posts", "GET", Constants.MERGED_URLS_FILTER_ACCOUNT_ID)); |
| 135 | + mergedUrlsSet.add(new MergedUrls("api/v1/products/STRING", "POST", Constants.MERGED_URLS_FILTER_ACCOUNT_ID)); |
| 136 | + |
| 137 | + // Template URLs matching merged entries should be filtered |
| 138 | + assertTrue("Template URL matching merged entry should be filtered", |
| 139 | + mergedUrlsSet.contains(new MergedUrls("api/v1/users/INTEGER", "GET", Constants.MERGED_URLS_FILTER_ACCOUNT_ID))); |
| 140 | + |
| 141 | + assertTrue("Template URL with path matching merged entry should be filtered", |
| 142 | + mergedUrlsSet.contains(new MergedUrls("api/v1/users/INTEGER/posts", "GET", Constants.MERGED_URLS_FILTER_ACCOUNT_ID))); |
| 143 | + |
| 144 | + // Concrete URLs should NOT be filtered |
| 145 | + assertFalse("Concrete URL should not be filtered", |
| 146 | + mergedUrlsSet.contains(new MergedUrls("api/v1/users/123", "GET", Constants.MERGED_URLS_FILTER_ACCOUNT_ID))); |
| 147 | + |
| 148 | + assertFalse("Concrete URL with path should not be filtered", |
| 149 | + mergedUrlsSet.contains(new MergedUrls("api/v1/users/123/posts", "GET", Constants.MERGED_URLS_FILTER_ACCOUNT_ID))); |
| 150 | + |
| 151 | + // Same URL with different method should NOT be filtered |
| 152 | + assertFalse("Same URL with different method should not be filtered", |
| 153 | + mergedUrlsSet.contains(new MergedUrls("api/v1/users/INTEGER", "POST", Constants.MERGED_URLS_FILTER_ACCOUNT_ID))); |
| 154 | + } |
| 155 | + |
| 156 | + /** |
| 157 | + * Test edge cases |
| 158 | + */ |
| 159 | + @Test |
| 160 | + public void testEdgeCases() { |
| 161 | + Set<MergedUrls> mergedUrlsSet = new HashSet<>(); |
| 162 | + |
| 163 | + // Empty set - nothing should be filtered |
| 164 | + assertFalse("Empty set should not contain any URL", |
| 165 | + mergedUrlsSet.contains(new MergedUrls("api/test", "GET", 100))); |
| 166 | + |
| 167 | + // Add a URL and test |
| 168 | + mergedUrlsSet.add(new MergedUrls("api/test", "GET", 100)); |
| 169 | + assertTrue("Should find the URL after adding", |
| 170 | + mergedUrlsSet.contains(new MergedUrls("api/test", "GET", 100))); |
| 171 | + |
| 172 | + // Test with null URL |
| 173 | + mergedUrlsSet.add(new MergedUrls(null, "GET", 100)); |
| 174 | + assertTrue("Should handle null URL", |
| 175 | + mergedUrlsSet.contains(new MergedUrls(null, "GET", 100))); |
| 176 | + } |
| 177 | + |
| 178 | + /** |
| 179 | + * Test account ID constant value |
| 180 | + */ |
| 181 | + @Test |
| 182 | + public void testAccountIdConstant() { |
| 183 | + // Verify the expected account ID |
| 184 | + int expectedAccountId = Constants.MERGED_URLS_FILTER_ACCOUNT_ID; |
| 185 | + |
| 186 | + // This test documents the account ID that triggers merged URLs filtering |
| 187 | + assertEquals("Expected account ID for merged URLs filtering", |
| 188 | + Constants.MERGED_URLS_FILTER_ACCOUNT_ID, expectedAccountId); |
| 189 | + } |
| 190 | +} |
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