KotlinLightCodeInsightFixtureTestCase: add configureCodeStyleAndRun

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

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.idea.test
 
+import com.intellij.application.options.CodeStyle
 import com.intellij.ide.highlighter.JavaFileType
 import com.intellij.ide.startup.impl.StartupManagerImpl
 import com.intellij.openapi.actionSystem.ActionPlaces
@@ -26,6 +27,7 @@ import com.intellij.pom.java.LanguageLevel
 import com.intellij.psi.PsiClassOwner
 import com.intellij.psi.PsiJavaFile
 import com.intellij.psi.PsiManager
+import com.intellij.psi.codeStyle.CodeStyleSettings
 import com.intellij.psi.search.FileTypeIndex
 import com.intellij.psi.search.ProjectScope
 import com.intellij.testFramework.LightProjectDescriptor
@@ -280,7 +282,7 @@ private fun configureCompilerOptions(fileText: String, project: Project, module:
     return false
 }
 
-fun <T> configureRegistryAndRun(fileText: String, body: () -> T) {
+fun configureRegistryAndRun(fileText: String, body: () -> Unit) {
     val registers = InTextDirectivesUtils.findListWithPrefixes(fileText, "// REGISTRY:")
         .map { it.split(' ') }
         .map { Registry.get(it.first()) to it.last() }
@@ -296,6 +298,20 @@ fun <T> configureRegistryAndRun(fileText: String, body: () -> T) {
     }
 }
 
+fun configureCodeStyleAndRun(
+    project: Project,
+    configurator: (CodeStyleSettings) -> Unit,
+    body: () -> Unit
+) {
+    val codeStyleSettings = CodeStyle.getSettings(project)
+    try {
+        configurator(codeStyleSettings)
+        body()
+    } finally {
+        codeStyleSettings.clearCodeStyleSettings()
+    }
+}
+
 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/tests/org/jetbrains/kotlin/idea/codeInsight/moveUpDown/AbstractCodeMoverTest.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.idea.codeInsight.upDownMover.KotlinExpressionMover
 import org.jetbrains.kotlin.idea.core.script.isScriptChangesNotifierDisabled
 import org.jetbrains.kotlin.idea.formatter.kotlinCustomSettings
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightTestCase
+import org.jetbrains.kotlin.idea.test.configureCodeStyleAndRun
 import org.jetbrains.kotlin.test.InTextDirectivesUtils
 import org.jetbrains.kotlin.test.KotlinTestUtils
 import java.io.File
@@ -96,15 +97,14 @@ abstract class AbstractCodeMoverTest : KotlinLightCodeInsightTestCase() {
 
         isApplicableChecker(isApplicableExpected, direction)
 
-        val codeStyleSettings = CodeStyle.getSettings(project)
-        try {
-            val configurator = FormatSettingsUtil.createConfigurator(fileText, codeStyleSettings)
-            configurator.configureSettings()
-
-            if (trailingComma) codeStyleSettings.kotlinCustomSettings.ALLOW_TRAILING_COMMA = true
+        configureCodeStyleAndRun(
+            project,
+            {
+                FormatSettingsUtil.createConfigurator(fileText, it).configureSettings()
+                if (trailingComma) it.kotlinCustomSettings.ALLOW_TRAILING_COMMA = true
+            }
+        ) {
             invokeAndCheck(path, action, isApplicableExpected)
-        } finally {
-            codeStyleSettings.clearCodeStyleSettings()
         }
     }