181: Uast: parents for UIdentifiers from toUElement

plugins/uast-kotlin/tests/AbstractKotlinIdentifiersTest.kt.181

@@ -0,0 +1,15 @@
+package org.jetbrains.uast.test.kotlin
+
+import org.jetbrains.uast.test.common.IdentifiersTestBase
+import java.io.File
+
+
+abstract class AbstractKotlinIdentifiersTest : AbstractKotlinUastTest(), IdentifiersTestBase {
+
+    private fun getTestFile(testName: String, ext: String) =
+        File(File(AbstractKotlinUastTest.TEST_KOTLIN_MODEL_DIR, testName).canonicalPath + '.' + ext)
+
+    override fun getIdentifiersFile(testName: String): File = getTestFile(testName, "identifiers.txt")
+
+
+}

plugins/uast-kotlin/tests/KotlinUastIdentifiersTest.kt.181

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2000-2018 JetBrains s.r.o. 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.uast.test.kotlin
+
+import org.junit.Test
+
+class KotlinUastIdentifiersTest : AbstractKotlinIdentifiersTest() {
+
+    @Test
+    fun testClassAnnotation() = doTest("ClassAnnotation")
+
+    @Test
+    fun testLocalDeclarations() = doTest("LocalDeclarations")
+
+    @Test
+    fun testConstructors() = doTest("Constructors")
+
+
+}

plugins/uast-kotlin/tests/org/jetbrains/uast/test/common/IdentifiersTestBase.kt.181

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2000-2018 JetBrains s.r.o. 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.uast.test.common
+
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiElementVisitor
+import org.jetbrains.kotlin.psi.KtBlockExpression
+import org.jetbrains.kotlin.psi.KtFile
+import org.jetbrains.uast.UFile
+import org.jetbrains.uast.UIdentifier
+import org.jetbrains.uast.sourcePsiElement
+import org.jetbrains.uast.test.env.assertEqualsToFile
+import org.jetbrains.uast.toUElementOfType
+import java.io.File
+
+interface IdentifiersTestBase {
+    fun getIdentifiersFile(testName: String): File
+
+    private fun UFile.asIdentifiersWithParents(): String {
+        val builder = StringBuilder()
+        var level = 0
+        (this.psi as KtFile).accept(object : PsiElementVisitor() {
+            override fun visitElement(element: PsiElement) {
+                val uIdentifier = element.toUElementOfType<UIdentifier>()
+                if (uIdentifier != null) {
+                    builder.append("    ".repeat(level))
+                    builder.append(uIdentifier.sourcePsiElement!!.text)
+                    builder.append(" -> ")
+                    builder.append(uIdentifier.uastParent?.asLogString())
+                    builder.appendln()
+                }
+                if (element is KtBlockExpression) level++
+                element.acceptChildren(this)
+                if (element is KtBlockExpression) level--
+            }
+        })
+        return builder.toString()
+    }
+
+    fun check(testName: String, file: UFile) {
+        val valuesFile = getIdentifiersFile(testName)
+
+        assertEqualsToFile("Identifiers", valuesFile, file.asIdentifiersWithParents())
+    }
+
+}