[Native][tests] Simplify CacheKind.WithStaticCache setting

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/NativeBlackBoxTestSupport.kt

@@ -76,8 +76,10 @@ class NativeBlackBoxTestSupport : BeforeEachCallback {
                 val nativeHome = computeNativeHome()
                 val hostManager = HostManager(distribution = Distribution(nativeHome.path), experimental = false)
 
+                val nativeTargets = computeNativeTargets(hostManager)
+
                 TestProcessSettings(
-                    computeNativeTargets(hostManager),
+                    nativeTargets,
                     nativeHome,
                     computeNativeClassLoader(),
                     computeTestMode(),
@@ -85,7 +87,7 @@ class NativeBlackBoxTestSupport : BeforeEachCallback {
                     memoryModel,
                     threadStateChecker,
                     gcType,
-                    CacheKind::class to computeCacheKind(),
+                    CacheKind::class to computeCacheKind(nativeHome, nativeTargets, optimizationMode),
                     computeBaseDirs(),
                     computeTimeouts()
                 )
@@ -127,9 +129,16 @@ class NativeBlackBoxTestSupport : BeforeEachCallback {
 
         private fun computeGCType(): GCType = enumSystemProperty(GC_TYPE, GCType.values(), default = GCType.UNSPECIFIED)
 
-        private fun computeCacheKind(): CacheKind {
+        private fun computeCacheKind(
+            kotlinNativeHome: KotlinNativeHome,
+            kotlinNativeTargets: KotlinNativeTargets,
+            optimizationMode: OptimizationMode
+        ): CacheKind {
             val useCache = systemProperty(USE_CACHE, String::toBooleanStrictOrNull, default = true)
-            return if (useCache) CacheKind.WithStaticCache else CacheKind.WithoutCache
+            return if (useCache)
+                CacheKind.WithStaticCache(kotlinNativeHome, kotlinNativeTargets, optimizationMode)
+            else
+                CacheKind.WithoutCache
         }
 
         private fun computeBaseDirs(): BaseDirs = BaseDirs(File(requiredEnvironmentVariable(PROJECT_BUILD_DIR)))

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/TestCompiler.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.konan.blackboxtest.support.TestCompilationResult.Com
 import org.jetbrains.kotlin.konan.blackboxtest.support.TestModule.Companion.allDependencies
 import org.jetbrains.kotlin.konan.blackboxtest.support.TestModule.Companion.allFriends
 import org.jetbrains.kotlin.konan.blackboxtest.support.settings.*
+import org.jetbrains.kotlin.konan.blackboxtest.support.settings.CacheKind.Companion.rootCacheDir
 import org.jetbrains.kotlin.konan.blackboxtest.support.util.*
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.fail
 import java.io.*
@@ -71,7 +72,7 @@ internal class TestCompilationFactory {
                             add(testRunnerArg)
                         }
                     }
-                    settings.getRootCacheDirectory()?.let { rootCacheDir ->
+                    settings.get<CacheKind>().rootCacheDir?.let { rootCacheDir ->
                         add("-Xcache-directory=$rootCacheDir")
                     }
                 }

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/settings/TestProcessSettings.kt

@@ -103,24 +103,30 @@ internal class Timeouts(val executionTimeout: Duration)
 internal sealed interface CacheKind {
     object WithoutCache : CacheKind
 
-    object WithStaticCache : CacheKind {
-        fun getRootCacheDirectory(
-            kotlinNativeHome: KotlinNativeHome,
-            kotlinNativeTargets: KotlinNativeTargets,
-            optimizationMode: OptimizationMode
-        ): File? = kotlinNativeHome.dir
+    class WithStaticCache(
+        kotlinNativeHome: KotlinNativeHome,
+        kotlinNativeTargets: KotlinNativeTargets,
+        optimizationMode: OptimizationMode
+    ) : CacheKind {
+        val rootCacheDir: File? = kotlinNativeHome.dir
             .resolve("klib/cache")
-            .resolve(computeCacheDirName(kotlinNativeTargets.testTarget, CACHE_KIND, optimizationMode == OptimizationMode.DEBUG))
-            .takeIf { it.exists() }
+            .resolve(
+                computeCacheDirName(
+                    testTarget = kotlinNativeTargets.testTarget,
+                    cacheKind = CACHE_KIND,
+                    debuggable = optimizationMode == OptimizationMode.DEBUG
+                )
+            ).takeIf { it.exists() }
 
-        private const val CACHE_KIND = "STATIC"
+        companion object {
+            private const val CACHE_KIND = "STATIC"
+        }
     }
 
     companion object {
+        val CacheKind.rootCacheDir: File? get() = safeAs<WithStaticCache>()?.rootCacheDir
+
         private fun computeCacheDirName(testTarget: KonanTarget, cacheKind: String, debuggable: Boolean) =
             "$testTarget${if (debuggable) "-g" else ""}$cacheKind"
     }
 }
-
-internal fun Settings.getRootCacheDirectory(): File? =
-    get<CacheKind>().safeAs<CacheKind.WithStaticCache>()?.getRootCacheDirectory(get(), get(), get())