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org.openrewrite.java.tree.JavaParserTest.kt Maven / Gradle / Ivy

/*
 * Copyright 2020 the original author or authors.
 * 

* 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 *

* https://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.openrewrite.java.tree import org.assertj.core.api.Assertions.assertThat import org.assertj.core.api.Assertions.assertThatThrownBy import org.junit.jupiter.api.Test import org.openrewrite.InMemoryExecutionContext import org.openrewrite.Parser import org.openrewrite.TreeSerializer import org.openrewrite.java.JavaParser import org.openrewrite.java.search.FindTypes import java.nio.file.Paths import java.util.Collections.singletonList import java.util.zip.ZipFile import kotlin.io.path.ExperimentalPathApi interface JavaParserTest { @Test fun dependenciesFromClasspathDoesntExist(jp: JavaParser.Builder<*, *>) { assertThatThrownBy { JavaParser.dependenciesFromClasspath("dne", "another") } .hasMessageStartingWith("Unable to find runtime dependencies beginning with: 'another', 'dne'") } @Test fun matchMultipleDependenciesWithOneName(jp: JavaParser.Builder<*, *>) { assertThat(JavaParser.dependenciesFromClasspath("junit").size).isGreaterThan(1) } @ExperimentalPathApi @Test fun byteArrayAsClasspathElement(jp: JavaParser.Builder<*, *>) { val zipFile = ZipFile(JavaParser.dependenciesFromClasspath("junit-jupiter-api").first().toFile()) zipFile.use { zip -> val classpath = zip.entries().asSequence() .filter { entry -> entry.name.endsWith(".class") } .map { entry -> zip.getInputStream(entry).use { input -> input.readBytes() } } .toList() val context = InMemoryExecutionContext { t -> println(t.printStackTrace()) } val cus = jp.classpath(*classpath.toTypedArray()) .logCompilationWarningsAndErrors(true) .build() .parse(context, """ class Test { @org.junit.jupiter.api.Test void test() { } } """.trimIndent() ) assertThat(FindTypes("org.junit.jupiter.api.Test", false).run(cus)).isNotEmpty } } @Test fun relativeSourcePath(jp: JavaParser) { val projectDir = Paths.get("/Users/jon/Projects/github/Netflix/eureka") val sourcePath = Paths.get("/Users/jon/Projects/github/Netflix/eureka/eureka-client-archaius2/src/main/java/com/netflix/discovery/EurekaArchaius2ClientConfig.java") val cu = jp.parseInputs( listOf(Parser.Input(sourcePath) { "class Test {}".byteInputStream() }), projectDir, InMemoryExecutionContext() )[0] assertThat(cu.sourcePath).isEqualTo(Paths.get("eureka-client-archaius2/src/main/java/com/netflix/discovery/EurekaArchaius2ClientConfig.java")) val serializer = TreeSerializer() val cu2 = serializer.read(serializer.write(cu)) assertThat(cu2.sourcePath).isEqualTo(Paths.get("eureka-client-archaius2/src/main/java/com/netflix/discovery/EurekaArchaius2ClientConfig.java")) } @Test fun dependsOn(jp: JavaParser.Builder<*, *>) { val cu = jp .dependsOn(singletonList(Parser.Input.fromString("class A {}"))) .build() .parse( """ class Test { A a; } """.trimIndent() ) assertThat( (cu[0].classes[0].body.statements[0] as J.VariableDeclarations).typeAsFullyQualified?.fullyQualifiedName ).isEqualTo("A") } }





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