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/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.uast.test.kotlin
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiFile
import com.intellij.psi.PsiLanguageInjectionHost
import com.intellij.testFramework.LightProjectDescriptor
import junit.framework.TestCase
import org.jetbrains.kotlin.asJava.elements.KtLightElement
import org.jetbrains.kotlin.idea.core.copied
import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase
import org.jetbrains.kotlin.idea.test.KotlinWithJdkAndRuntimeLightProjectDescriptor
import org.jetbrains.kotlin.psi.KtCallExpression
import org.jetbrains.kotlin.psi.KtFile
import org.jetbrains.kotlin.psi.KtPsiFactory
import org.jetbrains.kotlin.psi.psiUtil.findDescendantOfType
import org.jetbrains.kotlin.psi.psiUtil.getParentOfType
import org.jetbrains.uast.*
import org.jetbrains.uast.test.env.kotlin.findUElementByTextFromPsi
class KotlinDetachedUastTest : KotlinLightCodeInsightFixtureTestCase() {
override fun getProjectDescriptor(): LightProjectDescriptor = KotlinWithJdkAndRuntimeLightProjectDescriptor.INSTANCE
fun testLiteralInAnnotation() {
val psiFile = myFixture.configureByText("AnnotatedClass.kt", """
class AnnotatedClass {
@JvmName(name = "")
fun bar(param: String) = null
}
""".trimIndent())
fun psiElement(file: PsiFile): PsiElement = file.findElementAt(file.text.indexOf("\"\"")).orFail("literal")
.getParentOfType<PsiLanguageInjectionHost>(false).orFail("host")
.toUElement().orFail("uElement").getParentOfType<UClass>(false)
.orFail("UClass").psi.orFail("psi")
psiElement(psiFile).let {
// Otherwise following asserts have no sense
TestCase.assertTrue("psi element should be light ", it is KtLightElement<*, *>)
}
val copied = psiFile.copied()
TestCase.assertNull("virtual file for copy should be null", copied.virtualFile)
TestCase.assertNotNull("psi element in copy", psiElement(copied))
TestCase.assertSame("copy.originalFile should be psiFile", copied.originalFile, psiFile)
TestCase.assertSame("virtualFiles of element and file itself should be the same",
psiElement(copied).containingFile.originalFile.virtualFile,
copied.originalFile.virtualFile)
}
fun testDetachedResolve() {
val psiFile = myFixture.configureByText(
"AnnotatedClass.kt", """
class AnnotatedClass {
@JvmName(name = "")
fun bar(param: String) { unknownFunc(param) }
}
""".trimIndent()
) as KtFile
val detachedCall = psiFile.findDescendantOfType<KtCallExpression>()!!.copied()
val uCallExpression = detachedCall.toUElementOfType<UCallExpression>()!!
// at least it should not throw exceptions
TestCase.assertNull(uCallExpression.methodName)
}
fun testCapturedTypeInExtensionReceiverOfCall() {
val psiFile = myFixture.configureByText(
"foo.kt", """
class Foo<T>
fun <K> K.extensionFunc() {}
fun test(f: Foo<*>) {
f.extensionFunc()
}
""".trimIndent()
) as KtFile
val extensionFunctionCall = psiFile.findDescendantOfType<KtCallExpression>()!!
val uCallExpression = extensionFunctionCall.toUElementOfType<UCallExpression>()!!
TestCase.assertNotNull(uCallExpression.receiverType)
TestCase.assertNotNull(uCallExpression.methodName)
}
fun testParameterInAnnotationClassFromFactory() {
val detachedClass = KtPsiFactory(project).createClass("""
annotation class MyAnnotation(val myParam: String = "default")
""")
detachedClass.findUElementByTextFromPsi<UElement>("default")
.getParentOfType<UExpression>().let {
TestCase.assertNotNull("it should return something at least", it)
}
}
fun testLiteralInClassInitializerFromFactory() {
val detachedClass = KtPsiFactory(project).createClass("""
class MyAnnotation(){
init {
"default"
}
}
""")
val literalInside = detachedClass.findUElementByTextFromPsi<UElement>("default")
generateSequence(literalInside, { it.uastParent }).count().let {
TestCase.assertTrue("it should have some parents $it actually", it > 1)
}
}
}
fun <T> T?.orFail(msg: String): T = this ?: error(msg)
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