Correct casts for negative numbers and test file name for inner classes #2514 #2515 (#2518)

Author: EgorkaKulikov

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/renderer/CgJavaRenderer.kt

@@ -145,11 +145,19 @@ internal class CgJavaRenderer(context: CgRendererContext, printer: CgPrinter = C
             return
         }
 
+        val isNegativeNumber = element.expression is CgLiteral
+                && element.expression.value is Number && element.expression.value.toDouble() < 0
+
         print("(")
+
         print("(")
         print(wrappedTargetType.asString())
         print(") ")
+
+        if (isNegativeNumber) print("(")
         element.expression.accept(this)
+        if (isNegativeNumber) print(")")
+
         print(")")
     }
 

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/services/language/JavaCgLanguageAssistant.kt

@@ -6,7 +6,7 @@ import org.utbot.framework.codegen.renderer.CgJavaRenderer
 import org.utbot.framework.codegen.renderer.CgRendererContext
 import org.utbot.framework.plugin.api.ClassId
 import org.utbot.framework.plugin.api.JVMTestFrameworkManager
-import org.utbot.framework.plugin.api.utils.testClassNameGenerator
+import org.utbot.framework.plugin.api.utils.ClassNameUtils.generateTestClassName
 
 object JavaCgLanguageAssistant : AbstractCgLanguageAssistant() {
 
@@ -26,7 +26,7 @@ object JavaCgLanguageAssistant : AbstractCgLanguageAssistant() {
         testClassPackageName: String,
         classUnderTest: ClassId
     ): Pair<String, String> {
-        return testClassNameGenerator(testClassCustomName, testClassPackageName, classUnderTest)
+        return generateTestClassName(testClassCustomName, testClassPackageName, classUnderTest)
     }
 
     override fun getLanguageTestFrameworkManager() = JVMTestFrameworkManager()

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/services/language/KotlinCgLanguageAssistant.kt

@@ -6,7 +6,7 @@ import org.utbot.framework.codegen.renderer.CgKotlinRenderer
 import org.utbot.framework.codegen.renderer.CgRendererContext
 import org.utbot.framework.plugin.api.ClassId
 import org.utbot.framework.plugin.api.JVMTestFrameworkManager
-import org.utbot.framework.plugin.api.utils.testClassNameGenerator
+import org.utbot.framework.plugin.api.utils.ClassNameUtils.generateTestClassName
 
 object KotlinCgLanguageAssistant : AbstractCgLanguageAssistant() {
 
@@ -24,7 +24,7 @@ object KotlinCgLanguageAssistant : AbstractCgLanguageAssistant() {
         testClassPackageName: String,
         classUnderTest: ClassId
     ): Pair<String, String> {
-        return testClassNameGenerator(testClassCustomName, testClassPackageName, classUnderTest)
+        return generateTestClassName(testClassCustomName, testClassPackageName, classUnderTest)
     }
 
     override fun getLanguageTestFrameworkManager() = JVMTestFrameworkManager()

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

@@ -0,0 +1,22 @@
+package org.utbot.framework.plugin.api.utils
+
+import org.utbot.framework.plugin.api.ClassId
+import org.utbot.framework.plugin.api.util.nameWithEnclosingClassesAsContigousString
+
+object ClassNameUtils {
+    fun generateTestClassName(
+        testClassCustomName: String?,
+        testClassPackageName: String,
+        classUnderTest: ClassId,
+    ): Pair<String, String> {
+        val packagePrefix = if (testClassPackageName.isNotEmpty()) "$testClassPackageName." else ""
+        val simpleName = testClassCustomName ?: generateTestClassShortName(classUnderTest)
+        val name = "$packagePrefix$simpleName"
+        return Pair(name, simpleName)
+    }
+
+    fun generateTestClassShortName(classUnderTest: ClassId): String =
+        "${classUnderTest.nameWithEnclosingClassesAsContigousString}Test"
+}
+
+

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

@@ -25,6 +25,7 @@ import org.utbot.framework.plugin.api.util.executableId
 import org.utbot.framework.plugin.api.util.id
 import org.utbot.framework.plugin.api.util.jClass
 import org.utbot.framework.plugin.api.util.method
+import org.utbot.framework.plugin.api.utils.ClassNameUtils
 import org.utbot.framework.plugin.services.JdkInfo
 import org.utbot.framework.process.generated.*
 import org.utbot.framework.process.generated.BeanAdditionalData
@@ -121,6 +122,11 @@ private fun EngineProcessModel.setup(kryoHelper: KryoHelper, watchdog: IdleWatch
             }
         )
     }
+    watchdog.measureTimeForActiveCall(findTestClassName, "Creating test class name") { params ->
+        val classUnderTest: ClassId = kryoHelper.readObject(params.classUnderTest)
+        val testClassName = ClassNameUtils.generateTestClassShortName(classUnderTest)
+        TestClassNameResult(testClassName)
+    }
     watchdog.measureTimeForActiveCall(generate, "Generating tests") { params ->
         val methods: List<ExecutableId> = kryoHelper.readObject(params.methods)
         logger.debug()