/*******************************************************************************
* Copyright (c) 2012-2015 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java;
import org.eclipse.che.jdt.SourcesFromBytecodeGenerator;
import org.eclipse.jdt.core.IType;
import org.junit.Before;
import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat;
/**
* @author Evgen Vidolob
*/
public class SourceFromBytecodeGeneratorTest extends BaseTest {
private IType type;
private IType zipFileSystem;
@Before
public void findType() throws Exception {
type = project.findType("com.sun.nio.zipfs.ZipFileStore");
zipFileSystem = project.findType("com.sun.nio.zipfs.ZipFileSystem");
}
@Test
public void testClassComment() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(type);
assertThat(source).isNotNull().isNotEmpty()
.contains("// Failed to get sources. Instead, stub sources have been generated.")
.contains("// Implementation of methods is unavailable.");
}
@Test
public void testPackageDeclaration() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(type);
assertThat(source).contains("package com.sun.nio.zipfs;");
}
@Test
public void testClassDeclaration() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(type);
assertThat(source).contains("public class ZipFileStore extends java.nio.file.FileStore {");
}
@Test
public void testFieldsDeclaration() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(type);
assertThat(source).contains(" private final com.sun.nio.zipfs.ZipFileSystem zfs;");
}
@Test
public void testFieldsDeclaration2() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private boolean readOnly;");
}
@Test
public void testFieldsDeclaration3() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private final boolean createNew;");
}
@Test
public void testFieldsDeclaration4() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private static final java.util.Set<java.lang.String> supportedFileAttributeViews;");
}
@Test
public void testFieldsDeclaration5() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private static final java.lang.String GLOB_SYNTAX = \"glob\";");
}
@Test
public void testFieldsDeclaration6() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private static byte[] ROOTPATH;");
}
@Test
public void testFieldsDeclaration7() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private java.util.LinkedHashMap<com.sun.nio.zipfs.ZipFileSystem.IndexNode,com.sun.nio.zipfs.ZipFileSystem.IndexNode> inodes;");
}
@Test
public void testFieldsDeclaration8() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private com.sun.nio.zipfs.ZipFileSystem.IndexNode root;");
}
@Test
public void testFieldsDeclaration9() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private final int MAX_FLATER = 20;");
}
@Test
public void testConstructorDeclaration() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" ZipFileSystem(com.sun.nio.zipfs.ZipFileSystemProvider arg0, java.nio.file.Path arg1, java.util.Map<java.lang.String,?> arg2) throws java.io.IOException { /* compiled code */ }");
}
@Test
public void testMethodDeclaration() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" public java.nio.file.spi.FileSystemProvider provider() { /* compiled code */ }");
}
@Test
public void testMethodDeclaration2() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" public com.sun.nio.zipfs.ZipPath getPath(java.lang.String arg0, java.lang.String[] arg1) { /* compiled code */ }");
}
@Test
public void testMethodDeclaration3() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" void createDirectory(byte[] arg0, java.nio.file.attribute.FileAttribute<?>[] arg1) throws java.io.IOException { /* compiled code */ }");
}
@Test
public void testGenericMethodDeclaration() throws Exception {
IType iType = project.findType("com.sun.nio.zipfs.ZipFileStore");
String source = new SourcesFromBytecodeGenerator().generateSource(iType);
assertThat(source).contains("public <V extends java.nio.file.attribute.FileStoreAttributeView> V getFileStoreAttributeView(java.lang.Class<V> arg0) { /* compiled code */ }");
}
@Test
public void testEnumDeclaration() throws Exception {
IType enumType = project.findType("javax.servlet.DispatcherType");
String source = new SourcesFromBytecodeGenerator().generateSource(enumType);
assertThat(source).contains("\n" +
"public final enum DispatcherType {\n" +
" FORWARD, INCLUDE, REQUEST, ASYNC, ERROR;\n" +
"\n" +
" public static javax.servlet.DispatcherType[] values() { /* compiled code */ }\n" +
"\n" +
" public static javax.servlet.DispatcherType valueOf(java.lang.String name) { /* " +
"compiled code */ }\n" +
"\n" +
" private DispatcherType() { /* compiled code */ }\n" +
"\n" +
"}");
}
@Test
public void testInnerTypeDeclaration() throws Exception {
String source = new SourcesFromBytecodeGenerator().generateSource(zipFileSystem);
assertThat(source).contains(" private static class ExChannelCloser {\n" +
" java.nio.file.Path path;\n" +
" java.nio.channels.SeekableByteChannel ch;\n" +
" java.util.Set<java.io.InputStream> streams;\n" +
"\n" +
" ExChannelCloser(java.nio.file.Path arg0, java.nio.channels.SeekableByteChannel " +
"arg1, java.util.Set<java.io.InputStream> arg2) { /* compiled code */ }\n" +
"\n"+
" }");
}
@Test
public void testInterfaceDeclaration() throws Exception {
IType interfaceType = project.findType("java.lang.CharSequence");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains("public interface CharSequence {");
}
@Test
public void testInterfaceMethodDeclaration() throws Exception {
IType interfaceType = project.findType("java.lang.CharSequence");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains(" public int length();").contains(" public char charAt(int arg0);")
.contains(" public java.lang.CharSequence subSequence(int arg0, int arg1);")
.contains(" public java.lang.String toString();");
}
@Test
public void testTypeExtendsGeneric() throws Exception {
IType interfaceType = project.findType("com.sun.nio.zipfs.ZipDirectoryStream");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains(
"public class ZipDirectoryStream implements java.nio.file.DirectoryStream<java.nio.file.Path> {\n" +
" private final com.sun.nio.zipfs.ZipFileSystem zipfs;\n" +
" private final byte[] path;\n" +
" private final java.nio.file.DirectoryStream.Filter<? super java.nio.file.Path> filter;\n" +
" private volatile boolean isClosed;\n" +
" private volatile java.util.Iterator<java.nio.file.Path> itr;\n" +
"\n" +
" ZipDirectoryStream(com.sun.nio.zipfs.ZipPath arg0, java.nio.file.DirectoryStream.Filter<? super java.nio.file.Path> " +
"arg1) throws java.io.IOException { /* compiled code */ }\n" +
"\n" +
" public synchronized java.util.Iterator<java.nio.file.Path> iterator() { /* compiled code */ }\n" +
"\n" +
" public synchronized void close() throws java.io.IOException { /* compiled code */ }\n" +
"\n"+
"}");
}
@Test
public void testGenericInterface() throws Exception {
IType interfaceType = project.findType("com.google.gwt.user.client.rpc.AsyncCallback");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains("public interface AsyncCallback<T> {\n" +
"\n" +
" public void onFailure(java.lang.Throwable arg0);\n" +
"\n" +
" public void onSuccess(T arg0);\n" +
"\n" +
"}");
}
@Test
public void testAnnotation() throws Exception {
IType interfaceType = project.findType("com.google.gwt.core.client.SingleJsoImpl");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains("public @interface SingleJsoImpl {\n");
}
@Test
public void testAnnotationMethod() throws Exception {
IType interfaceType = project.findType("com.google.gwt.core.client.SingleJsoImpl");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains(" public java.lang.Class<? extends com.google.gwt.core.client.JavaScriptObject> value();\n");
}
@Test
public void testAnnotationsOnAnnotation() throws Exception {
IType interfaceType = project.findType("com.google.gwt.core.client.SingleJsoImpl");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains("@java.lang.annotation.Retention(value=java.lang.annotation.RetentionPolicy.RUNTIME)\n")
.contains("@java.lang.annotation.Target(value=java.lang.annotation.ElementType.TYPE)\n");
}
@Test
public void testAnnotationsOnMethod() throws Exception {
IType interfaceType = project.findType("java.util.Date");
String source = new SourcesFromBytecodeGenerator().generateSource(interfaceType);
assertThat(source).contains("@java.lang.Deprecated\n public Date(java.lang.String arg0)");
}
}