Fixed unavailable mock classes (#1066)

(cherry picked from commit 1260c8f)

Author: Damtev

utbot-framework-test/src/test/kotlin/org/utbot/examples/algorithms/SortTest.kt

@@ -9,10 +9,20 @@ import org.utbot.framework.plugin.api.DocPreTagStatement
 import org.utbot.framework.plugin.api.DocRegularStmt
 import org.utbot.framework.plugin.api.MockStrategyApi
 import org.junit.jupiter.api.Test
+import org.utbot.framework.plugin.api.CodegenLanguage
 import org.utbot.testcheckers.eq
 import org.utbot.testcheckers.ge
-
-internal class SortTest : UtValueTestCaseChecker(testClass = Sort::class) {
+import org.utbot.tests.infrastructure.CodeGeneration
+
+// TODO Kotlin mocks generics https://github.com/UnitTestBot/UTBotJava/issues/88
+internal class SortTest : UtValueTestCaseChecker(
+    testClass = Sort::class,
+    testCodeGeneration = true,
+    languagePipelines = listOf(
+        CodeGenerationLanguageLastStage(CodegenLanguage.JAVA),
+        CodeGenerationLanguageLastStage(CodegenLanguage.KOTLIN, CodeGeneration)
+    )
+) {
     @Test
     fun testQuickSort() {
         check(

utbot-framework-test/src/test/kotlin/org/utbot/examples/mock/MockRandomTest.kt

@@ -11,9 +11,19 @@ import org.utbot.framework.plugin.api.UtCompositeModel
 import org.utbot.framework.plugin.api.UtNewInstanceInstrumentation
 import java.util.Random
 import org.junit.jupiter.api.Test
+import org.utbot.framework.plugin.api.CodegenLanguage
 import org.utbot.testcheckers.eq
-
-internal class MockRandomTest : UtValueTestCaseChecker(testClass = MockRandomExamples::class) {
+import org.utbot.tests.infrastructure.CodeGeneration
+
+// TODO Kotlin mocks generics https://github.com/UnitTestBot/UTBotJava/issues/88
+internal class MockRandomTest : UtValueTestCaseChecker(
+    testClass = MockRandomExamples::class,
+    testCodeGeneration = true,
+    languagePipelines = listOf(
+        CodeGenerationLanguageLastStage(CodegenLanguage.JAVA),
+        CodeGenerationLanguageLastStage(CodegenLanguage.KOTLIN, CodeGeneration)
+    )
+) {
     @Test
     fun testRandomAsParameter() {
         val method: Random.() -> Int = Random::nextInt

utbot-framework-test/src/test/kotlin/org/utbot/examples/mock/MockStaticMethodExampleTest.kt

@@ -8,9 +8,19 @@ import org.utbot.framework.util.singleModel
 import org.utbot.framework.util.singleStaticMethod
 import org.utbot.framework.util.singleValue
 import org.junit.jupiter.api.Test
+import org.utbot.framework.plugin.api.CodegenLanguage
 import org.utbot.testcheckers.eq
+import org.utbot.tests.infrastructure.CodeGeneration
 
-internal class MockStaticMethodExampleTest : UtValueTestCaseChecker(testClass = MockStaticMethodExample::class) {
+// TODO Kotlin mocks generics https://github.com/UnitTestBot/UTBotJava/issues/88
+internal class MockStaticMethodExampleTest : UtValueTestCaseChecker(
+    testClass = MockStaticMethodExample::class,
+    testCodeGeneration = true,
+    languagePipelines = listOf(
+        CodeGenerationLanguageLastStage(CodegenLanguage.JAVA),
+        CodeGenerationLanguageLastStage(CodegenLanguage.KOTLIN, CodeGeneration)
+    )
+) {
     @Test
     fun testUseStaticMethod() {
         checkMocksAndInstrumentation(

utbot-framework-test/src/test/kotlin/org/utbot/examples/natives/NativeExamplesTest.kt

@@ -3,11 +3,21 @@ package org.utbot.examples.natives
 import org.utbot.tests.infrastructure.UtValueTestCaseChecker
 import org.utbot.tests.infrastructure.DoNotCalculate
 import org.junit.jupiter.api.Test
+import org.utbot.framework.plugin.api.CodegenLanguage
 import org.utbot.testcheckers.eq
 import org.utbot.testcheckers.ge
 import org.utbot.testcheckers.withSolverTimeoutInMillis
+import org.utbot.tests.infrastructure.CodeGeneration
 
-internal class NativeExamplesTest : UtValueTestCaseChecker(testClass = NativeExamples::class) {
+// TODO Kotlin mocks generics https://github.com/UnitTestBot/UTBotJava/issues/88
+internal class NativeExamplesTest : UtValueTestCaseChecker(
+    testClass = NativeExamples::class,
+    testCodeGeneration = true,
+    languagePipelines = listOf(
+        CodeGenerationLanguageLastStage(CodegenLanguage.JAVA),
+        CodeGenerationLanguageLastStage(CodegenLanguage.KOTLIN, CodeGeneration)
+    )
+) {
 
     @Test
     fun testFindAndPrintSum() {

utbot-framework-test/src/test/kotlin/org/utbot/examples/recursion/RecursionTest.kt

@@ -13,10 +13,20 @@ import org.utbot.framework.plugin.api.DocStatement
 import kotlin.math.pow
 import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
+import org.utbot.framework.plugin.api.CodegenLanguage
 import org.utbot.testcheckers.eq
 import org.utbot.testcheckers.ge
+import org.utbot.tests.infrastructure.CodeGeneration
 
-internal class RecursionTest : UtValueTestCaseChecker(testClass = Recursion::class) {
+// TODO Kotlin mocks generics https://github.com/UnitTestBot/UTBotJava/issues/88
+internal class RecursionTest : UtValueTestCaseChecker(
+    testClass = Recursion::class,
+    testCodeGeneration = true,
+    languagePipelines = listOf(
+        CodeGenerationLanguageLastStage(CodegenLanguage.JAVA),
+        CodeGenerationLanguageLastStage(CodegenLanguage.KOTLIN, CodeGeneration)
+    )
+) {
     @Test
     fun testFactorial() {
         val factorialSummary = listOf<DocStatement>(

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgMethodConstructor.kt

@@ -1318,21 +1318,20 @@ internal class CgMethodConstructor(val context: CgContext) : CgContextOwner by c
                     resources.forEach {
                         // First argument for mocked resource declaration initializer is a target type.
                         // Pass this argument as a type parameter for the mocked resource
+
+                        // TODO this type parameter (required for Kotlin test) is unused until the proper implementation
+                        //  of generics in code generation https://github.com/UnitTestBot/UTBotJava/issues/88
+                        @Suppress("UNUSED_VARIABLE")
                         val typeParameter = when (val firstArg = (it.initializer as CgMethodCall).arguments.first()) {
                             is CgGetJavaClass -> firstArg.classId
                             is CgVariable -> firstArg.type
                             else -> error("Unexpected mocked resource declaration argument $firstArg")
                         }
-                        val varType = CgClassId(
-                            it.variableType,
-                            TypeParameters(listOf(typeParameter)),
-                            isNullable = true,
-                        )
+
                         +CgDeclaration(
-                            varType,
+                            it.variableType,
                             it.variableName,
-                            // guard initializer to reuse typecast creation logic
-                            initializer = guardExpression(varType, nullLiteral()).expression,
+                            initializer = nullLiteral(),
                             isMutable = true,
                         )
                     }

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/MockFrameworkManager.kt

@@ -237,7 +237,7 @@ private class MockitoStaticMocker(context: CgContext, private val mocker: Object
             mockClassCounter.variable
         )
         val mockedConstructionDeclaration = CgDeclaration(
-            CgClassId(MockitoStaticMocking.mockedConstructionClassId),
+            MockitoStaticMocking.mockedConstructionClassId,
             variableConstructor.constructVarName(MOCKED_CONSTRUCTION_NAME),
             mockConstructionInitializer
         )
@@ -295,7 +295,7 @@ private class MockitoStaticMocker(context: CgContext, private val mocker: Object
             val classMockStaticCall = mockStatic(modelClass)
             val mockedStaticVariableName = variableConstructor.constructVarName(MOCKED_STATIC_NAME)
             CgDeclaration(
-                CgClassId(MockitoStaticMocking.mockedStaticClassId),
+                MockitoStaticMocking.mockedStaticClassId,
                 mockedStaticVariableName,
                 classMockStaticCall
             ).also {