Extend Java API for Spring-aware generation #2614

Author: denis-fokin

utbot-framework-api/build.gradle.kts

@@ -1,4 +1,5 @@
 val junit4Version: String by rootProject
+val junit5Version: String by rootProject
 val sootVersion: String by rootProject
 val commonsLangVersion: String by rootProject
 val kotlinLoggingVersion: String? by rootProject
@@ -21,7 +22,12 @@ dependencies {
     implementation(group = "com.esotericsoftware.kryo", name = "kryo5", version = kryoVersion)
     // this is necessary for serialization of some collections
     implementation(group = "de.javakaffee", name = "kryo-serializers", version = kryoSerializersVersion)
-    testImplementation(group = "junit", name = "junit", version = junit4Version)
+    // To use JUnit4, comment JUnit5 and uncomment JUnit4 dependencies here
+    //testImplementation(group = "junit", name = "junit", version = junit4Version)
+    testImplementation(group = "org.junit.jupiter", name = "junit-jupiter-params", version = junit5Version)
+    testImplementation(group = "org.junit.jupiter", name = "junit-jupiter-engine", version = junit5Version)
+    testImplementation(group = "org.junit.jupiter", name = "junit-jupiter-api", version = junit5Version)
+    testImplementation(group = "org.junit.jupiter", name = "junit-jupiter-api", version = junit5Version)
 }
 
 java {

utbot-framework-api/src/main/kotlin/org/utbot/framework/plugin/api/Api.kt

@@ -1439,7 +1439,7 @@ sealed class SpringConfiguration(val fullDisplayName: String) {
 }
 
 sealed interface SpringSettings {
-    object AbsentSpringSettings : SpringSettings {
+    companion object AbsentSpringSettings : SpringSettings {
         // NOTE that overriding equals is required just because without it
         // we will lose equality for objects after deserialization
         override fun equals(other: Any?): Boolean = other is AbsentSpringSettings