1 /* 2 * Copyright (C) 2007-2010 Jlio Vilmar Gesser. 3 * Copyright (C) 2011, 2013-2016 The JavaParser Team. 4 * 5 * This file is part of JavaParser. 6 * 7 * JavaParser can be used either under the terms of 8 * a) the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * b) the terms of the Apache License 12 * 13 * You should have received a copy of both licenses in LICENCE.LGPL and 14 * LICENCE.APACHE. Please refer to those files for details. 15 * 16 * JavaParser is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU Lesser General Public License for more details. 20 */ 21 22 package com.github.javaparser.printer.lexicalpreservation; 23 24 import com.github.javaparser.JavaParser; 25 import com.github.javaparser.ast.CompilationUnit; 26 import com.github.javaparser.ast.Node; 27 import com.github.javaparser.ast.expr.Expression; 28 import org.junit.Before; 29 30 import java.io.IOException; 31 32 import static com.github.javaparser.utils.TestUtils.readResource; 33 import static org.junit.Assert.assertEquals; 34 35 public abstract class AbstractLexicalPreservingTest { 36 37 protected CompilationUnit cu; 38 protected Expression expression; 39 40 protected void considerCode(String code) { 41 cu = LexicalPreservingPrinter.setup(JavaParser.parse(code)); 42 } 43 44 protected void considerExpression(String code) { 45 expression = LexicalPreservingPrinter.setup(JavaParser.parseExpression(code)); 46 } 47 48 protected String considerExample(String resourceName) throws IOException { 49 String code = readExample(resourceName); 50 considerCode(code); 51 return code; 52 } 53 54 protected String readExample(String resourceName) throws IOException { 55 return readResource("com/github/javaparser/lexical_preservation_samples/" + resourceName + ".java.txt"); 56 } 57 58 protected void assertTransformed(String exampleName, Node node) throws IOException { 59 String expectedCode = readExample(exampleName + "_expected"); 60 String actualCode = LexicalPreservingPrinter.print(node); 61 assertEquals(expectedCode, actualCode); 62 } 63 64 protected void assertUnchanged(String exampleName) throws IOException { 65 String code = considerExample(exampleName + "_original"); 66 assertEquals(code, LexicalPreservingPrinter.print(cu != null ? cu : expression)); 67 } 68 69 protected void assertTransformedToString(String expectedPartialCode, Node node) { 70 String actualCode = LexicalPreservingPrinter.print(node); 71 assertEquals(expectedPartialCode, actualCode); 72 } 73 74 } 75