Exclude protected kotlin methods from generate window #1280 (#1373)

Author: sofurihafe

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/util/PsiClassHelper.kt

@@ -6,6 +6,7 @@ import com.intellij.psi.PsiModifier
 import com.intellij.psi.SyntheticElement
 import com.intellij.refactoring.util.classMembers.MemberInfo
 import com.intellij.testIntegration.TestIntegrationUtils
+import org.jetbrains.kotlin.asJava.elements.KtLightMember
 import org.jetbrains.kotlin.asJava.elements.KtLightMethod
 import org.jetbrains.kotlin.asJava.elements.isGetter
 import org.jetbrains.kotlin.asJava.elements.isSetter
@@ -23,6 +24,9 @@ private val PsiMember.isKotlinGetterOrSetter: Boolean
  return isGetter || isSetter
  }
 
+private val PsiMember.isKotlinAndProtected: Boolean
+ get() = this is KtLightMember<*> && this.hasModifierProperty(PsiModifier.PROTECTED)
+
 // By now, we think that method in Kotlin is autogenerated iff navigation to its declaration leads to its declaring class
 // rather than the method itself (because such methods don't have bodies that we can navigate to)
 private val PsiMember.isKotlinAutogeneratedMethod: Boolean
@@ -34,6 +38,7 @@ fun Iterable<MemberInfo>.filterTestableMethods(): List<MemberInfo> = this
  }
  .filterNot { it.member.isAbstract }
  .filterNot { it.member.isKotlinGetterOrSetter }
+ .filterNot { it.member.isKotlinAndProtected }
 
 private val PsiClass.isPrivateOrProtected: Boolean
  get() = this.modifierList?.let {