[BTA tests] Move GlobalCompiledProjectsCache to a separate file

^KT-61860 In Progress

compiler/build-tools/kotlin-build-tools-api-tests/src/main/kotlin/compilation/scenario/dslModuleCache.kt

@@ -0,0 +1,74 @@
+/*
+ * 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.buildtools.api.tests.compilation.scenario
+
+import org.jetbrains.kotlin.buildtools.api.CompilerExecutionStrategyConfiguration
+import org.jetbrains.kotlin.buildtools.api.SourcesChanges
+import org.jetbrains.kotlin.buildtools.api.jvm.IncrementalJvmCompilationConfiguration
+import org.jetbrains.kotlin.buildtools.api.jvm.JvmCompilationConfiguration
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.DependencyScenarioDslCacheKey
+import org.jetbrains.kotlin.buildtools.api.tests.compilation.model.Module
+import java.nio.file.Files
+import java.nio.file.Path
+import java.util.*
+import kotlin.io.path.copyToRecursively
+import kotlin.io.path.isRegularFile
+import kotlin.io.path.relativeTo
+import kotlin.io.path.walk
+
+private data class GlobalCompiledProjectsCacheKey(
+    val moduleKey: DependencyScenarioDslCacheKey,
+    val compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
+    val incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
+)
+
+internal object GlobalCompiledProjectsCache {
+    private val globalTempDirectory = Files.createTempDirectory("compiled-test-projects-cache").apply {
+        toFile().deleteOnExit()
+    }
+    private val compiledProjectsCache = mutableMapOf<GlobalCompiledProjectsCacheKey, Pair<MutableSet<String>, Path>>()
+
+    fun getProjectFromCache(
+        module: Module,
+        strategyConfig: CompilerExecutionStrategyConfiguration,
+        compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
+        incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
+    ): ScenarioModuleImpl? {
+        val (initialOutputs, cachedBuildDirPath) = compiledProjectsCache[GlobalCompiledProjectsCacheKey(
+            module.scenarioDslCacheKey,
+            compilationOptionsModifier,
+            incrementalCompilationOptionsModifier
+        )] ?: return null
+        cachedBuildDirPath.copyToRecursively(module.buildDirectory, followLinks = false, overwrite = true)
+        return ScenarioModuleImpl(module, initialOutputs, strategyConfig, compilationOptionsModifier, incrementalCompilationOptionsModifier)
+    }
+
+    fun putProjectIntoCache(
+        module: Module,
+        strategyConfig: CompilerExecutionStrategyConfiguration,
+        compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
+        incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
+    ): ScenarioModuleImpl {
+        module.compileIncrementally(
+            SourcesChanges.Unknown,
+            strategyConfig,
+            compilationConfigAction = { compilationOptionsModifier?.invoke(it) },
+            incrementalCompilationConfigAction = { incrementalCompilationOptionsModifier?.invoke(it) }
+        )
+        val initialOutputs = mutableSetOf<String>()
+        for (file in module.outputDirectory.walk()) {
+            if (!file.isRegularFile()) continue
+            initialOutputs.add(file.relativeTo(module.outputDirectory).toString())
+        }
+        val moduleCacheDirectory = globalTempDirectory.resolve(UUID.randomUUID().toString())
+        module.buildDirectory.copyToRecursively(moduleCacheDirectory, followLinks = false, overwrite = false)
+        compiledProjectsCache[GlobalCompiledProjectsCacheKey(
+            module.scenarioDslCacheKey,
+            compilationOptionsModifier,
+            incrementalCompilationOptionsModifier
+        )] = Pair(initialOutputs, moduleCacheDirectory)
+        return ScenarioModuleImpl(module, initialOutputs, strategyConfig, compilationOptionsModifier, incrementalCompilationOptionsModifier)
+    }
+}

compiler/build-tools/kotlin-build-tools-api-tests/src/main/kotlin/compilation/scenario/scenarioDsl.kt

@@ -16,9 +16,9 @@ import java.nio.file.Path
 import java.util.*
 import kotlin.io.path.*
 
-private class ScenarioModuleImpl(
+internal class ScenarioModuleImpl(
-    val module: Module,
+    internal val module: Module,
-    val outputs: MutableSet<String>,
+    private val outputs: MutableSet<String>,
     private val strategyConfig: CompilerExecutionStrategyConfiguration,
     private val compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
     private val incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
@@ -59,7 +59,7 @@ private class ScenarioModuleImpl(
         )
     }
 
-    var sourcesChanges = SourcesChanges.Known(emptyList(), emptyList())
+    private var sourcesChanges = SourcesChanges.Known(emptyList(), emptyList())
 
     override fun compile(
         forceOutput: LogLevel?,
@@ -100,59 +100,4 @@ private class ScenarioDsl(
 
 fun BaseCompilationTest.scenario(strategyConfig: CompilerExecutionStrategyConfiguration, action: Scenario.() -> Unit) {
     action(ScenarioDsl(Project(strategyConfig, workingDirectory), strategyConfig))
-}
-
-private data class GlobalCompiledProjectsCacheKey(
-    val moduleKey: DependencyScenarioDslCacheKey,
-    val compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
-    val incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
-)
-
-private object GlobalCompiledProjectsCache {
-    private val globalTempDirectory = Files.createTempDirectory("compiled-test-projects-cache").apply {
-        toFile().deleteOnExit()
-    }
-    private val compiledProjectsCache = mutableMapOf<GlobalCompiledProjectsCacheKey, Pair<MutableSet<String>, Path>>()
-
-    fun getProjectFromCache(
-        module: Module,
-        strategyConfig: CompilerExecutionStrategyConfiguration,
-        compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
-        incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
-    ): ScenarioModuleImpl? {
-        val (initialOutputs, cachedBuildDirPath) = compiledProjectsCache[GlobalCompiledProjectsCacheKey(
-            module.scenarioDslCacheKey,
-            compilationOptionsModifier,
-            incrementalCompilationOptionsModifier
-        )] ?: return null
-        cachedBuildDirPath.copyToRecursively(module.buildDirectory, followLinks = false, overwrite = true)
-        return ScenarioModuleImpl(module, initialOutputs, strategyConfig, compilationOptionsModifier, incrementalCompilationOptionsModifier)
-    }
-
-    fun putProjectIntoCache(
-        module: Module,
-        strategyConfig: CompilerExecutionStrategyConfiguration,
-        compilationOptionsModifier: ((JvmCompilationConfiguration) -> Unit)?,
-        incrementalCompilationOptionsModifier: ((IncrementalJvmCompilationConfiguration<*>) -> Unit)?,
-    ): ScenarioModuleImpl {
-        module.compileIncrementally(
-            SourcesChanges.Unknown,
-            strategyConfig,
-            compilationConfigAction = { compilationOptionsModifier?.invoke(it) },
-            incrementalCompilationConfigAction = { incrementalCompilationOptionsModifier?.invoke(it) }
-        )
-        val initialOutputs = mutableSetOf<String>()
-        for (file in module.outputDirectory.walk()) {
-            if (!file.isRegularFile()) continue
-            initialOutputs.add(file.relativeTo(module.outputDirectory).toString())
-        }
-        val moduleCacheDirectory = globalTempDirectory.resolve(UUID.randomUUID().toString())
-        module.buildDirectory.copyToRecursively(moduleCacheDirectory, followLinks = false, overwrite = false)
-        compiledProjectsCache[GlobalCompiledProjectsCacheKey(
-            module.scenarioDslCacheKey,
-            compilationOptionsModifier,
-            incrementalCompilationOptionsModifier
-        )] = Pair(initialOutputs, moduleCacheDirectory)
-        return ScenarioModuleImpl(module, initialOutputs, strategyConfig, compilationOptionsModifier, incrementalCompilationOptionsModifier)
-    }
 }