[Native][Tests] Extract more common code

* modulemap files are required for Swift export integration tests
* we are going to reuse legacy test infrastructure for now

native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/FrameworkTest.kt

@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.konan.test.blackbox.support.runner.TestExecutable
 import org.jetbrains.kotlin.konan.test.blackbox.support.runner.TestRunCheck
 import org.jetbrains.kotlin.konan.test.blackbox.support.runner.TestRunChecks
 import org.jetbrains.kotlin.konan.test.blackbox.support.settings.*
+import org.jetbrains.kotlin.konan.test.blackbox.support.util.createTestProvider
 import org.jetbrains.kotlin.native.executors.runProcess
 import org.jetbrains.kotlin.test.KtAssert.fail
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.assertTrue
@@ -453,24 +454,7 @@ abstract class FrameworkTestBase : AbstractNativeSimpleTest() {
         swiftExtraOpts: List<String>,
     ): TestCompilationResult.Success<out TestCompilationArtifact.Executable> {
         // create a test provider and get main entry point
-        val provider = buildDir.resolve("provider.swift")
-        FileWriter(provider).use { writer ->
-            val providers = testSources
-                .map { file ->
-                    file.name.toString().removeSuffix(".swift").replaceFirstChar { it.uppercase() }
-                }
-                .map { "${it}Tests" }
-
-            writer.write(
-                """
-                |// THIS IS AUTOGENERATED FILE
-                |// This method is invoked by the main routine to get a list of tests
-                |func registerProviders() {
-                |    ${providers.joinToString("\n    ") { "$it()" }}
-                |}
-                """.trimMargin()
-            )
-        }
+        val provider = createTestProvider(buildDir, testSources)
         val frameworkOpts = listOf(
             "-Xlinker", "-rpath", "-Xlinker", "@executable_path/Frameworks",
             "-Xlinker", "-rpath", "-Xlinker", buildDir.absolutePath,

native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/SwiftTypeCheckBaseTest.kt

@@ -10,6 +10,7 @@ import org.jetbrains.kotlin.konan.target.AppleConfigurables
 import org.jetbrains.kotlin.konan.target.withOSVersion
 import org.jetbrains.kotlin.konan.test.blackbox.support.compilation.invokeSwiftC
 import org.jetbrains.kotlin.konan.test.blackbox.support.settings.configurables
+import org.jetbrains.kotlin.konan.test.blackbox.support.util.createModuleMap
 import org.jetbrains.kotlin.utils.fileUtils.withReplacedExtensionOrNull
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assumptions
@@ -53,15 +54,7 @@ abstract class SwiftTypeCheckBaseTest : AbstractNativeSimpleTest() {
         val configs = testRunSettings.configurables as AppleConfigurables
         val swiftTarget = configs.targetTriple.withOSVersion(configs.osVersionMin).toString()
 
-        val bridgeModuleFile = buildDir.resolve("module.modulemap").apply {
-            writeText("""
-            module KotlinBridges {
-                umbrella header "${cHeader.absolutePath}"
-                export *
-            }
-            """.trimIndent()
-            )
-        }
+        val bridgeModuleFile = createModuleMap(buildDir, cHeader)
 
         val args = listOf(
             "-typecheck", swiftFile.absolutePath,

native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/support/util/Clang.kt

@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.cli.common.ExitCode
 import org.jetbrains.kotlin.konan.target.ClangArgs
 import org.jetbrains.kotlin.konan.target.Family
 import org.jetbrains.kotlin.konan.test.blackbox.AbstractNativeSimpleTest
+import org.jetbrains.kotlin.konan.test.blackbox.buildDir
 import org.jetbrains.kotlin.konan.test.blackbox.support.LoggedData
 import org.jetbrains.kotlin.konan.test.blackbox.support.compilation.TestCompilationArtifact
 import org.jetbrains.kotlin.konan.test.blackbox.support.compilation.TestCompilationResult
@@ -116,4 +117,16 @@ internal class ClangParameters(
             appendLine("- $it")
         }
     }
+}
+
+internal fun createModuleMap(directory: File, umbrellaHeader: File): File {
+    return directory.resolve("module.modulemap").apply {
+        writeText("""
+            module KotlinBridges {
+                umbrella header "${umbrellaHeader.absolutePath}"
+                export *
+            }
+            """.trimIndent()
+        )
+    }
 }

native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/support/util/LegacySwiftTestInfra.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2024 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.
+ */
+
+package org.jetbrains.kotlin.konan.test.blackbox.support.util
+
+import org.jetbrains.kotlin.konan.test.blackbox.buildDir
+import java.io.File
+import java.io.FileWriter
+
+internal fun createTestProvider(parentDirectory: File, testSources: List<File>): File {
+    // create a test provider and get main entry point
+    val provider = parentDirectory.resolve("provider.swift")
+    FileWriter(provider).use { writer ->
+        val providers = testSources
+            .map { file ->
+                file.name.toString().removeSuffix(".swift").replaceFirstChar { it.uppercase() }
+            }
+            .map { "${it}Tests" }
+
+        writer.write(
+            """
+                |// THIS IS AUTOGENERATED FILE
+                |// This method is invoked by the main routine to get a list of tests
+                |func registerProviders() {
+                |    ${providers.joinToString("\n    ") { "$it()" }}
+                |}
+                """.trimMargin()
+        )
+    }
+    return provider
+}