Enhance ObfuscationServiceTest with additional assertions: add a check to ensure that obfuscated bytes differ from the original bytes, improving test coverage and validation of obfuscation functionality.

Author: efraespada

docs/benchmark-results-2026-03-19.md

@@ -0,0 +1,31 @@
+# Benchmark Results (2026-03-19)
+
+Executed with:
+
+- `./gradlew :benchmark:jmh`
+- JDK: Corretto 17.0.9
+- JMH: 1.36
+- Mode: `avgt` (`ms/op`)
+- Warmup: 2 iterations
+- Measurement: 5 iterations
+
+Results (`benchmark/build/results/jmh/results.json`):
+
+| Benchmark | Param | Score (ms/op) | Error |
+| --- | --- | ---: | ---: |
+| `EndToEndBenchmark.obfuscateAndRevealBatch` | `sampleSize=100` | 0.008 | +/- 0.001 |
+| `EndToEndBenchmark.obfuscateAndRevealBatch` | `sampleSize=1000` | 0.096 | +/- 0.001 |
+| `FileScanningBenchmark.locateAssets` | `totalFiles=100` | 3.152 | +/- 0.061 |
+| `FileScanningBenchmark.locateAssets` | `totalFiles=1000` | 31.824 | +/- 0.680 |
+| `FileScanningBenchmark.locateAssets` | `totalFiles=10000` | 382.744 | +/- 15.108 |
+| `FileScanningBenchmark.locateResources` | `totalFiles=100` | 3.229 | +/- 0.266 |
+| `FileScanningBenchmark.locateResources` | `totalFiles=1000` | 32.351 | +/- 0.571 |
+| `FileScanningBenchmark.locateResources` | `totalFiles=10000` | 359.427 | +/- 16.350 |
+| `XmlParsingBenchmark.parseStringsXml` | `stringCount=10` | 0.039 | +/- 0.001 |
+| `XmlParsingBenchmark.parseStringsXml` | `stringCount=100` | 0.061 | +/- 0.002 |
+| `XmlParsingBenchmark.parseStringsXml` | `stringCount=1000` | 0.279 | +/- 0.028 |
+
+Notes:
+
+- This is the first benchmark snapshot in this repo layout.
+- A historical baseline from pre-refactor code is not available in this run, so this file serves as baseline for future regressions.

plugin/src/test/kotlin/dev/vyp/stringcare/plugin/infrastructure/crypto/ObfuscationServiceTest.kt

@@ -3,6 +3,7 @@ package dev.vyp.stringcare.plugin.infrastructure.crypto
 import dev.vyp.stringcare.plugin.internal.Stark
 import dev.vyp.stringcare.plugin.internal.LoadResult
 import org.junit.jupiter.api.Assertions.assertArrayEquals
+import org.junit.jupiter.api.Assertions.assertFalse
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.Assumptions.assumeTrue
 import org.junit.jupiter.api.Test
@@ -17,6 +18,7 @@ class ObfuscationServiceTest {
         val appId = "com.example.app"
         val obf = svc.obfuscate(key, plain, appId)
         assertTrue(obf.isNotEmpty())
+        assertFalse(obf.contentEquals(plain), "Obfuscated bytes must differ from original bytes")
         val back = svc.reveal(key, obf, appId)
         assertArrayEquals(plain, back)
     }