/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.commons.jci.compilers;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import org.apache.commons.jci.problems.CompilationProblem;
import org.apache.commons.jci.readers.ResourceReader;
import org.apache.commons.jci.stores.MemoryResourceStore;
/**
* Providing convenience methods for JavaCompiler TestCases
*
* @author tcurdt
*/
public abstract class AbstractCompilerTestCase extends TestCase {
public abstract JavaCompiler createJavaCompiler();
public abstract String getCompilerName();
public void testFactoryCreation() {
final JavaCompiler factoryCompiler = new JavaCompilerFactory().createCompiler(getCompilerName());
assertNotNull(factoryCompiler);
final JavaCompiler compiler = createJavaCompiler();
assertEquals(factoryCompiler.getClass().getName(), compiler.getClass().getName());
}
public void testSimpleCompile() throws Exception {
final JavaCompiler compiler = createJavaCompiler();
final ResourceReader reader = new ResourceReader() {
final private Map<String, byte[]> sources = new HashMap<String, byte[]>() {
private static final long serialVersionUID = 1L;
{
put("jci/Simple.java", (
"package jci;\n" +
"public class Simple {\n" +
" public String toString() {\n" +
" return \"Simple\";\n" +
" }\n" +
"}").getBytes());
}};
public byte[] getBytes( final String pResourceName ) {
return sources.get(pResourceName);
}
public boolean isAvailable( final String pResourceName ) {
return sources.containsKey(pResourceName);
}
};
final MemoryResourceStore store = new MemoryResourceStore();
final CompilationResult result = compiler.compile(
new String[] {
"jci/Simple.java"
}, reader, store);
assertEquals(toString(result.getErrors()), 0, result.getErrors().length);
assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length);
final byte[] clazzBytes = store.read("jci/Simple.class");
assertNotNull("jci/Simple.class is not null",clazzBytes);
assertTrue("jci/Simple.class is not empty", clazzBytes.length > 0);
}
public void testExtendedCompile() throws Exception {
final JavaCompiler compiler = createJavaCompiler();
final ResourceReader reader = new ResourceReader() {
final private Map<String, byte[]> sources = new HashMap<String, byte[]>() {
private static final long serialVersionUID = 1L;
{
put("jci/Simple.java", (
"package jci;\n" +
"public class Simple {\n" +
" public String toString() {\n" +
" return \"Simple\";\n" +
" }\n" +
"}").getBytes());
put("jci/Extended.java", (
"package jci;\n" +
"public class Extended extends Simple {\n" +
" public String toString() {\n" +
" return \"Extended\" + super.toString();\n" +
" }\n" +
"}").getBytes());
}};
public byte[] getBytes( final String pResourceName ) {
return sources.get(pResourceName);
}
public boolean isAvailable( final String pResourceName ) {
return sources.containsKey(pResourceName);
}
};
final MemoryResourceStore store = new MemoryResourceStore();
final CompilationResult result = compiler.compile(
new String[] {
"jci/Extended.java",
"jci/Simple.java"
}, reader, store);
assertEquals(toString(result.getErrors()), 0, result.getErrors().length);
assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length);
final byte[] clazzBytesSimple = store.read("jci/Simple.class");
assertNotNull("jci/Simple.class is not null", clazzBytesSimple);
assertTrue("jci/Simple.class is not empty", clazzBytesSimple.length > 0);
final byte[] clazzBytesExtended = store.read("jci/Extended.class");
assertNotNull("jci/Extended.class is not null", clazzBytesExtended);
assertTrue("jci/Extended.class is not empty",clazzBytesExtended.length > 0);
}
public void testInternalClassCompile() throws Exception {
final JavaCompiler compiler = createJavaCompiler();
final ResourceReader reader = new ResourceReader() {
final private Map<String, byte[]> sources = new HashMap<String, byte[]>() {
private static final long serialVersionUID = 1L;
{
put("jci/Simple.java", (
"package jci;\n" +
"public class Simple {\n" +
" private class Sub {\n" +
" }\n" +
" public String toString() {\n" +
" new Sub();\n" +
" return \"Simple\";\n" +
" }\n" +
"}").getBytes());
}};
public byte[] getBytes( final String pResourceName ) {
return sources.get(pResourceName);
}
public boolean isAvailable( final String pResourceName ) {
return sources.containsKey(pResourceName);
}
};
final MemoryResourceStore store = new MemoryResourceStore();
final CompilationResult result = compiler.compile(
new String[] {
"jci/Simple.java"
}, reader, store);
assertEquals(toString(result.getErrors()), 0, result.getErrors().length);
assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length);
final byte[] clazzBytes = store.read("jci/Simple.class");
assertNotNull("jci/Simple.class is not null", clazzBytes);
assertTrue("jci/Simple.class is not empty", clazzBytes.length > 0);
final byte[] subClazzBytes = store.read("jci/Simple$Sub.class");
assertNotNull("jci/Simple$Sub.class is not null", subClazzBytes);
assertTrue("jci/Simple$Sub.class is not empty", subClazzBytes.length > 0);
}
public void testUppercasePackageNameCompile() throws Exception {
final JavaCompiler compiler = createJavaCompiler();
final ResourceReader reader = new ResourceReader() {
final private Map<String, byte[]> sources = new HashMap<String, byte[]>() {
private static final long serialVersionUID = 1L;
{
put("Jci/Simple.java", (
"package Jci;\n" +
"public class Simple {\n" +
" public String toString() {\n" +
" return \"Simple\";\n" +
" }\n" +
"}").getBytes());
}};
public byte[] getBytes( final String pResourceName ) {
return sources.get(pResourceName);
}
public boolean isAvailable( final String pResourceName ) {
return sources.containsKey(pResourceName);
}
};
final MemoryResourceStore store = new MemoryResourceStore();
final CompilationResult result = compiler.compile(
new String[] {
"Jci/Simple.java"
}, reader, store);
assertEquals(toString(result.getErrors()), 0, result.getErrors().length);
assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length);
final byte[] clazzBytes = store.read("Jci/Simple.class");
assertNotNull("Jci/Simple.class is not null", clazzBytes);
assertTrue("Jci/Simple.class is not empty", clazzBytes.length > 0);
}
/*
* https://issues.apache.org/jira/browse/JCI-53
*/
public void testCrossReferenceCompilation() throws Exception {
final String javaVersion = System.getProperty("java.version");
final JavaCompiler compiler = createJavaCompiler();
final ResourceReader reader = new ResourceReader() {
final private Map<String, byte[]> sources = new HashMap<String, byte[]>() {
private static final long serialVersionUID = 1L;
{
put("jci/Func1.java", (
"package jci;\n" +
"import static jci.Func2.func2;" +
"public class Func1 {\n" +
" public static boolean func1() throws Exception {\n" +
" return true;\n" +
" }\n" +
"}").getBytes());
put("jci/Func2.java", (
"package jci;\n" +
"import static jci.Func1.func1;" +
"public class Func2 {\n" +
" public static boolean func2() throws Exception {\n" +
" return true;\n" +
" }\n" +
"}").getBytes());
}};
public byte[] getBytes( final String pResourceName ) {
return sources.get(pResourceName);
}
public boolean isAvailable( final String pResourceName ) {
return sources.containsKey(pResourceName);
}
};
final JavaCompilerSettings settings = compiler.createDefaultSettings();
settings.setTargetVersion("1.5");
settings.setSourceVersion("1.5");
final MemoryResourceStore store = new MemoryResourceStore();
final CompilationResult result = compiler.compile(
new String[] {
"jci/Func1.java",
"jci/Func2.java"
}, reader, store, this.getClass().getClassLoader(), settings);
assertEquals(toString(result.getErrors()), 0, result.getErrors().length);
assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length);
final byte[] clazzBytesFunc1 = store.read("jci/Func1.class");
assertNotNull("jci/Func1.class is not null", clazzBytesFunc1);
assertTrue("jci/Func1.class is not empty", clazzBytesFunc1.length > 0);
final byte[] clazzBytesFunc2 = store.read("jci/Func2.class");
assertNotNull("jci/Func2.class is not null", clazzBytesFunc2);
assertTrue("jci/Func2.class is not empty", clazzBytesFunc2.length > 0);
}
/*
* https://issues.apache.org/jira/browse/JCI-59
*/
public void testAdditionalTopLevelClassCompile() throws Exception {
final JavaCompiler compiler = createJavaCompiler();
final ResourceReader reader = new ResourceReader() {
final private Map<String, byte[]> sources = new HashMap<String, byte[]>() {
private static final long serialVersionUID = 1L;
{
put("jci/Simple.java", (
"package jci;\n" +
"public class Simple {\n" +
" public String toString() {\n" +
" return \"Simple\";\n" +
" }\n" +
"}\n" +
"class AdditionalTopLevel {\n" +
" public String toString() {\n" +
" return \"AdditionalTopLevel\";\n" +
" }\n" +
"}").getBytes());
}};
public byte[] getBytes( final String pResourceName ) {
return sources.get(pResourceName);
}
public boolean isAvailable( final String pResourceName ) {
return sources.containsKey(pResourceName);
}
};
final MemoryResourceStore store = new MemoryResourceStore();
final CompilationResult result = compiler.compile(
new String[] {
"jci/Simple.java"
}, reader, store);
assertEquals("Unexpected errors(s): " + toString(result.getErrors()), 0, result.getErrors().length);
final byte[] clazzBytes = store.read("jci/Simple.class");
assertNotNull("Expected to find jci/Simple.class", clazzBytes);
assertTrue(clazzBytes.length > 0);
final byte[] additionalTopLevelBytes = store.read("jci/AdditionalTopLevel.class");
assertNotNull("Expected to find jci/AdditionalTopLevel.class", additionalTopLevelBytes);
assertTrue(additionalTopLevelBytes.length > 0);
assertEquals("Unexpected warning(s): " + toString(result.getWarnings()), 0, result.getWarnings().length);
}
public final String toString( final CompilationProblem[] pProblems ) {
final StringBuilder sb = new StringBuilder();
for (CompilationProblem problem : pProblems) {
sb.append(problem.getMessage()).append(", ");
}
return sb.toString();
}
}