Merge pull request #1 from abhriyaroy/unit-test

Add Unit test

.github/workflows/main.yaml

@@ -0,0 +1,23 @@
+name: KCrypt Build and Test
+
+on: [pull_request]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        name: Check out repository code
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'adopt'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x ./gradlew
+
+      - name: Build and run tests
+        run: ./gradlew allTests

.gitignore

@@ -0,0 +1,11 @@
+*.iml
+.gradle
+.idea
+.DS_Store
+build
+captures
+.externalNativeBuild
+.cxx
+local.properties
+xcuserdata
+secring.gpg

KCrypt/build.gradle.kts

@@ -4,6 +4,7 @@ plugins {
   id("io.realm.kotlin") version "1.10.0"
   id("convention.publication")
   kotlin("plugin.serialization") version "1.9.0"
+  id("com.google.devtools.ksp") version "1.9.10-1.0.13"
 }
 
 kotlin {
@@ -35,10 +36,21 @@ kotlin {
     val commonTest by getting {
       dependencies {
         implementation(kotlin("test"))
+        implementation(kotlin("test-common"))
+        implementation(kotlin("test-annotations-common"))
       }
     }
     val androidMain by getting
-    val androidUnitTest by getting
+    val androidUnitTest by getting {
+      dependencies {
+        implementation("junit:junit:4.13.2")
+        implementation("org.jetbrains.kotlin:kotlin-test-junit:1.6.10")
+
+        implementation("org.mockito:mockito-core:4.0.0")
+        implementation("org.mockito.kotlin:mockito-kotlin:4.0.0")
+
+      }
+    }
     val iosX64Main by getting
     val iosArm64Main by getting
     val iosSimulatorArm64Main by getting
@@ -56,10 +68,21 @@ kotlin {
       iosX64Test.dependsOn(this)
       iosArm64Test.dependsOn(this)
       iosSimulatorArm64Test.dependsOn(this)
+      dependencies {
+        implementation("io.mockative:mockative:2.0.1")
+      }
     }
   }
 }
 
+dependencies {
+  configurations
+    .filter { it.name.startsWith("ksp") && it.name.contains("Test") }
+    .forEach {
+      add(it.name, "io.mockative:mockative-processor:2.0.1")
+    }
+}
+
 android {
   namespace = "studio.zebro.kcrypt"
   compileSdk = 34

KCrypt/src/androidMain/kotlin/studio/zebro/kcrypt/CipherProvider.kt

@@ -0,0 +1,35 @@
+package studio.zebro.kcrypt
+
+import java.security.Key
+import java.util.Base64
+import javax.crypto.Cipher
+import javax.crypto.spec.IvParameterSpec
+
+interface CipherProvider {
+  fun encrypt(input : ByteArray, key : Key) : String
+  fun decrypt(key : Key, data : String) : ByteArray
+}
+
+class CipherProviderImpl : CipherProvider {
+
+  override fun encrypt(input: ByteArray, key: Key): String {
+    val cipher = Cipher.getInstance("AES/CBC/PKCS7Padding")
+    cipher.init(Cipher.ENCRYPT_MODE, key)
+    val (cipherText, iv) = cipher.doFinal(input) to cipher.iv
+    return (Base64.getEncoder()
+      .encodeToString(cipherText) +
+        "," +
+        Base64.getEncoder().encodeToString(iv)).apply {
+      println("the encoded param is $this")
+    }
+  }
+
+  override fun decrypt(key: Key, data: String): ByteArray {
+    val parts = data.split(",")
+    val plainTextByteArray = Base64.getDecoder().decode(parts[0])
+    val iv = Base64.getDecoder().decode(parts[1])
+    val cipher = Cipher.getInstance("AES/CBC/PKCS7Padding")
+    cipher.init(Cipher.DECRYPT_MODE, key, IvParameterSpec(iv))
+    return cipher.doFinal(plainTextByteArray)
+  }
+}