tests: apply official code style

#KT-38632 Fixed

idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightCodeInsightFixtureTestCase.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2000-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -40,6 +40,7 @@ import org.jetbrains.kotlin.idea.KotlinFileType
 import org.jetbrains.kotlin.idea.compiler.configuration.KotlinCommonCompilerArgumentsHolder
 import org.jetbrains.kotlin.idea.compiler.configuration.KotlinCompilerSettings
 import org.jetbrains.kotlin.idea.facet.*
+import org.jetbrains.kotlin.idea.formatter.KotlinStyleGuideCodeStyle
 import org.jetbrains.kotlin.idea.inspections.UnusedSymbolInspection
 import org.jetbrains.kotlin.idea.test.CompilerTestDirectives.COMPILER_ARGUMENTS_DIRECTIVE
 import org.jetbrains.kotlin.idea.test.CompilerTestDirectives.JVM_TARGET_DIRECTIVE
@@ -76,6 +77,8 @@ abstract class KotlinLightCodeInsightFixtureTestCase : KotlinLightCodeInsightFix
 
     override fun setUp() {
         super.setUp()
+
+        enableKotlinOfficialCodeStyle(project)
         // We do it here to avoid possible initialization problems
         // UnusedSymbolInspection() calls IDEA UnusedDeclarationInspection() in static initializer,
         // which in turn registers some extensions provoking "modifications aren't allowed during highlighting"
@@ -101,7 +104,7 @@ abstract class KotlinLightCodeInsightFixtureTestCase : KotlinLightCodeInsightFix
 
     override fun tearDown() {
         LoggedErrorProcessor.restoreDefaultProcessor()
-
+        disableKotlinOfficialCodeStyle(project)
         super.tearDown()
 
         if (exceptions.isNotEmpty()) {
@@ -312,6 +315,14 @@ fun configureCodeStyleAndRun(
     }
 }
 
+fun enableKotlinOfficialCodeStyle(project: Project) {
+    KotlinStyleGuideCodeStyle.apply(CodeStyle.getSettings(project))
+}
+
+fun disableKotlinOfficialCodeStyle(project: Project) {
+    CodeStyle.getSettings(project)
+}
+
 private fun rollbackCompilerOptions(project: Project, module: Module, removeFacet: Boolean) {
     KotlinCompilerSettings.getInstance(project).update { this.additionalArguments = DEFAULT_ADDITIONAL_ARGUMENTS }
     KotlinCommonCompilerArgumentsHolder.getInstance(project).update { this.languageVersion = LanguageVersion.LATEST_STABLE.versionString }

idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightPlatformCodeInsightFixtureTestCase.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -17,12 +17,14 @@ import kotlin.reflect.full.findAnnotation
 abstract class KotlinLightPlatformCodeInsightFixtureTestCase : LightPlatformCodeInsightFixtureTestCase() {
     override fun setUp() {
         super.setUp()
+        enableKotlinOfficialCodeStyle(project)
         (StartupManager.getInstance(project) as StartupManagerImpl).runPostStartupActivities()
         VfsRootAccess.allowRootAccess(KotlinTestUtils.getHomeDirectory())
         invalidateLibraryCache(project)
     }
 
     override fun tearDown() {
+        disableKotlinOfficialCodeStyle(project)
         VfsRootAccess.disallowRootAccess(KotlinTestUtils.getHomeDirectory())
 
         super.tearDown()

idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightPlatformCodeInsightTestCase.kt

@@ -13,4 +13,14 @@ import com.intellij.testFramework.LightPlatformCodeInsightTestCase
 abstract class KotlinLightPlatformCodeInsightTestCase : LightPlatformCodeInsightTestCase() {
     protected inline val project_: Project get() = project
     protected inline val editor_: Editor get() = editor
+
+    override fun setUp() {
+        super.setUp()
+        enableKotlinOfficialCodeStyle(project_)
+    }
+
+    override fun tearDown() {
+        disableKotlinOfficialCodeStyle(project_)
+        super.tearDown()
+    }
 }

idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightPlatformCodeInsightTestCase.kt.191

@@ -15,4 +15,13 @@ abstract class KotlinLightPlatformCodeInsightTestCase : LightPlatformCodeInsight
     protected inline val project_: Project get() = LightPlatformTestCase.getProject()
     protected inline val editor_: Editor get() = LightPlatformCodeInsightTestCase.getEditor()
 
+    override fun setUp() {
+        super.setUp()
+        enableKotlinOfficialCodeStyle(project_)
+    }
+
+    override fun tearDown() {
+        disableKotlinOfficialCodeStyle(project_)
+        super.tearDown()
+    }
 }