KT-34862 use relative path for incremental build cache

2020-10-02 13:43:20 +03:00
parent 09043fb98d
commit e1a380ec95
9 changed files with 120 additions and 20 deletions
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2020 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.incremental.storage
+
+import java.io.File
+
+open class IncrementalFileToPathConverter(val rootProjectDir: File?) : FileToPathConverter {
+    //project root dir
+    private val projectDirPath = rootProjectDir?.normalize()?.absolutePath
+
+    override fun toPath(file: File): String {
+        val path = file.normalize().absolutePath
+        return when {
+            projectDirPath == null || !path.startsWith(projectDirPath) -> path
+            else -> PROJECT_DIR_PLACEHOLDER + path.substring(projectDirPath.length)
+        }
+    }
+
+    override fun toFile(path: String): File =
+        when {
+            rootProjectDir != null && path.startsWith(PROJECT_DIR_PLACEHOLDER) -> rootProjectDir.resolve(path.substring(PATH_PREFIX.length))
+            else -> File(path)
+        }
+
+    private companion object {
+        private const val PROJECT_DIR_PLACEHOLDER = "${'$'}PROJECT_DIR$"
+        private const val PATH_PREFIX = "$PROJECT_DIR_PLACEHOLDER/"
+
+    }
+}
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2010-2020 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.incremental.storage
+
+import org.jetbrains.kotlin.TestWithWorkingDir
+import org.junit.Test
+import java.io.File
+
+internal class IncrementalFileToPathConverterTest : TestWithWorkingDir() {
+
+    @Test
+    fun testPathTransform() {
+        val relativeFilePath = "testFile.txt"
+        val transformedPath = testPathTransformation(workingDir.resolve("testDir"), relativeFilePath)
+
+        assertEquals("${'$'}PROJECT_DIR${'$'}/$relativeFilePath", transformedPath)
+    }
+
+    @Test
+    fun testComplicatedProjectRootPath() {
+        val relativeFilePath = "testFile.txt"
+        val transformedPath = testPathTransformation(workingDir.resolve("first/../testDir"), relativeFilePath)
+
+        assertEquals("${'$'}PROJECT_DIR${'$'}/$relativeFilePath", transformedPath)
+    }
+
+    @Test
+    fun testInccorectProjectRootPath() {
+        val relativeFilePath = "testFile.txt"
+        val transformedPath = testPathTransformation(workingDir.resolve("testDir/"), relativeFilePath)
+
+        assertEquals("${'$'}PROJECT_DIR${'$'}/$relativeFilePath", transformedPath)
+    }
+
+    @Test
+    fun testFileOutOfProject() {
+        val relativeFilePath = "../testFile.txt"
+        val transformedPath = testPathTransformation(workingDir.resolve("testDir"), relativeFilePath)
+
+        assertEquals("${workingDir.absolutePath}/testFile.txt", transformedPath)
+    }
+
+    @Test
+    fun testFileWithExtraSlash() {
+        val relativeFilePath = "testFile.txt/"
+        val transformedPath = testPathTransformation(workingDir.resolve("testDir"), relativeFilePath)
+
+        assertEquals("${'$'}PROJECT_DIR${'$'}/testFile.txt", transformedPath)
+    }
+
+    private fun testPathTransformation(projectRoot: File, relativeFilePath: String): String {
+        val pathConverter = IncrementalFileToPathConverter(projectRoot)
+        val testFile = projectRoot.resolve(relativeFilePath)
+        val transformedPath = pathConverter.toPath(testFile)
+        assertEquals(testFile.normalize().absolutePath, pathConverter.toFile(transformedPath).normalize().absolutePath)
+        return transformedPath
+    }
+}