IndexNotReadyException thrown in IDEA with installed UnitTestBot plugin #273

Author: Vassiliy-Kudryashov

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/UtTestsDialogProcessor.kt

@@ -150,7 +150,7 @@ object UtTestsDialogProcessor {
                                             .filterWhen(UtSettings.skipTestGenerationForSyntheticMethods) {
                                                 it.member !is SyntheticElement
                                             }
-                                    findMethodsInClassMatchingSelected(clazz, srcMethods)
+                                    findMethodsInClassMatchingSelected(project, clazz, srcMethods)
                                 }.executeSynchronously()
 
                                 val className = srcClass.name
@@ -251,8 +251,8 @@ object UtTestsDialogProcessor {
         appendLine("Alternatively, you could try to increase current timeout $timeout sec for generating tests in generation dialog.")
     }
 
-    private fun findMethodsInClassMatchingSelected(clazz: KClass<*>, selectedMethods: List<MemberInfo>): List<UtMethod<*>> {
-        val selectedSignatures = selectedMethods.map { it.signature() }
+    private fun findMethodsInClassMatchingSelected(project: Project, clazz: KClass<*>, selectedMethods: List<MemberInfo>): List<UtMethod<*>> {
+        val selectedSignatures = selectedMethods.map { it.signature(project) }
         return clazz.functions
             .sortedWith(compareBy { selectedSignatures.indexOf(it.signature()) })
             .filter { it.signature().normalized() in selectedSignatures }

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

@@ -1,15 +1,20 @@
 package org.utbot.intellij.plugin.util
 
+import com.intellij.openapi.project.DumbService
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.util.Computable
 import com.intellij.psi.PsiMethod
 import com.intellij.refactoring.util.classMembers.MemberInfo
 import kotlin.reflect.KFunction
 import kotlin.reflect.KParameter
 import kotlin.reflect.jvm.javaType
 
-fun MemberInfo.signature(): Signature =
-    (this.member as PsiMethod).signature()
+fun MemberInfo.signature(project: Project): Signature =
+    DumbService.getInstance(project).runReadActionInSmartMode(Computable {
+        (this.member as PsiMethod).signature()
+    })
 
-fun PsiMethod.signature() =
+private fun PsiMethod.signature() =
     Signature(this.name, this.parameterList.parameters.map {
         it.type.canonicalText
             .replace("...", "[]") //for PsiEllipsisType