[Test] Pass classpath arguments to Jsr223 tests with file

Previously they were passed as plain `-D...` CLI arguments for gradle
task invocation, which caused problems on Windows, which has limits
on the length of the CLI command.

Author: demiurg906

libraries/scripting/jsr223-test/build.gradle.kts

@@ -56,11 +56,7 @@ projectTests {
         workingDir = rootDir
         val testRuntimeProvider = project.provider { testJsr223Runtime.asPath }
         val testCompilationClasspathProvider = project.provider { testCompilationClasspath.asPath }
-        doFirst {
-            systemProperty("testJsr223RuntimeClasspath", testRuntimeProvider.get())
-            systemProperty("testCompilationClasspath", testCompilationClasspathProvider.get())
-            systemProperty("kotlin.script.base.compiler.arguments", "-language-version 1.9")
-        }
+        configureProperties(testRuntimeProvider, testCompilationClasspathProvider)
     }
 
     testTask("embeddableTest", jUnitMode = JUnitMode.JUnit5, parallel = true, skipInLocalBuild = false) {
@@ -69,10 +65,18 @@ projectTests {
         classpath = embeddableTestRuntime
         val testRuntimeProvider = project.provider { embeddableTestRuntime.asPath }
         val testCompilationClasspathProvider = project.provider { testCompilationClasspath.asPath }
-        doFirst {
-            systemProperty("testJsr223RuntimeClasspath", testRuntimeProvider.get())
-            systemProperty("testCompilationClasspath", testCompilationClasspathProvider.get())
-            systemProperty("kotlin.script.base.compiler.arguments", "-language-version 1.9")
-        }
+        configureProperties(testRuntimeProvider, testCompilationClasspathProvider)
+    }
+}
+
+fun Test.configureProperties(testRuntimeProvider: Provider<String>, testCompilationClasspathProvider: Provider<String>) {
+    doFirst {
+        val jsr223RuntimeClasspathFile = temporaryDir.resolve("testJsr223RuntimeClasspath.txt")
+            .apply { writeText(testRuntimeProvider.get()) }
+        systemProperty("testJsr223RuntimeClasspath", jsr223RuntimeClasspathFile)
+        val compilationClasspathFile = temporaryDir.resolve("testCompilationClasspath.txt")
+            .apply { writeText(testCompilationClasspathProvider.get()) }
+        systemProperty("testCompilationClasspath", compilationClasspathFile)
+        systemProperty("kotlin.script.base.compiler.arguments", "-language-version 1.9")
     }
 }

libraries/scripting/jsr223-test/test/kotlin/script/experimental/jsr223/test/KotlinJsr223ScriptEngineIT.kt

@@ -453,7 +453,7 @@ obj
         val tempDir = createTempDirectory(KotlinJsr223ScriptEngineIT::class.simpleName!!)
         try {
             val outJar = createTempFile(tempDir, "inlining17", ".jar").toFile()
-            val compileCp = System.getProperty("testCompilationClasspath")!!.split(File.pathSeparator).map(::File)
+            val compileCp = File(System.getProperty("testCompilationClasspath")!!).readText().split(File.pathSeparator).map(::File)
             assertTrue(
                 compileCp.any { it.name.startsWith("kotlin-stdlib") },
                 "Expecting \"testCompilationClasspath\" property to contain stdlib jar:\n$compileCp"
@@ -473,7 +473,7 @@ obj
                 additionalEnvVars = listOf("JAVA_HOME" to jdk17.absolutePath)
             )
 
-            val runtimeCp = System.getProperty("testJsr223RuntimeClasspath")!!.split(File.pathSeparator).map(::File) + outJar
+            val runtimeCp = File(System.getProperty("testJsr223RuntimeClasspath")!!).readText().split(File.pathSeparator).map(::File) + outJar
             assertTrue(
                 runtimeCp.any { it.name.startsWith("kotlin-scripting-jsr223") },
                 "Expecting \"testJsr223RuntimeClasspath\" property to contain JSR223 jar:\n$runtimeCp"