/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* 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 com.asakusafw.compiler.operator;
import static com.asakusafw.utils.java.model.syntax.ModifierKind.*;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.util.List;
import javax.lang.model.element.PackageElement;
import org.junit.Test;
import com.asakusafw.utils.java.jsr269.bridge.Jsr269;
import com.asakusafw.utils.java.model.syntax.ClassDeclaration;
import com.asakusafw.utils.java.model.syntax.FormalParameterDeclaration;
import com.asakusafw.utils.java.model.syntax.MethodDeclaration;
import com.asakusafw.utils.java.model.syntax.ModelFactory;
import com.asakusafw.utils.java.model.syntax.TypeDeclaration;
import com.asakusafw.utils.java.model.util.ImportBuilder;
import com.asakusafw.utils.java.model.util.ImportBuilder.Strategy;
import com.asakusafw.utils.java.model.util.Models;
/**
* Test for {@link OperatorImplementationClassGenerator}.
*/
public class OperatorImplementationClassGeneratorTest extends OperatorCompilerTestRoot {
/**
* 具象メソッドに対する実装が存在しない。
*/
@Test
public void concrete() {
add("com.example.Concrete");
ClassDeclaration tree = generate(new MockOperatorProcessor());
assertThat(Find.modifiers(tree), hasItem(PUBLIC));
assertThat(Find.modifiers(tree), not(hasItem(ABSTRACT)));
assertThat(tree.getName().getToken(), is("ConcreteImpl"));
assertThat(tree.getSuperClass().toString(), is("Concrete"));
// オーバーライド
assertThat(Find.method(tree, "example"), is(nullValue()));
}
/**
* 抽象メソッドに対する実装が行われる。
*/
@Test
public void skeleton() {
add("com.example.Abstract");
ClassDeclaration tree = generate(new MockOperatorProcessor());
assertThat(Find.modifiers(tree), hasItem(PUBLIC));
assertThat(Find.modifiers(tree), not(hasItem(ABSTRACT)));
assertThat(tree.getName().getToken(), is("AbstractImpl"));
assertThat(tree.getSuperClass().toString(), is("Abstract"));
// オーバーライド
MethodDeclaration method = Find.method(tree, "example");
assertThat(method, not(nullValue()));
assertThat(Find.modifiers(method), hasItem(PUBLIC));
assertThat(Find.modifiers(method), not(hasItems(ABSTRACT, STATIC)));
assertThat(method.getReturnType().toString(), is("CharSequence"));
List<? extends FormalParameterDeclaration> params = method.getFormalParameters();
assertThat(params.size(), is(2));
assertThat(params.get(0).getType().toString(), is("String"));
assertThat(params.get(0).getName().toString(), is("string"));
assertThat(params.get(1).getType().toString(), is("int"));
assertThat(params.get(1).getName().toString(), is("param"));
}
private ClassDeclaration generate(OperatorProcessor... procs) {
Engine engine = new Engine(procs);
start(engine);
assertThat(engine.collected, not(nullValue()));
return (ClassDeclaration) engine.collected;
}
private static class Engine extends Callback {
private OperatorProcessor[] procs;
TypeDeclaration collected;
Engine(OperatorProcessor... procs) {
this.procs = procs;
}
@Override
protected final void test() {
OperatorClassCollector collector =
new OperatorClassCollector(env, round);
for (OperatorProcessor proc : procs) {
proc.initialize(env);
collector.add(proc);
}
List<OperatorClass> classes = collector.collect();
if (classes.isEmpty()) {
return;
}
assertThat(classes.size(), is(1));
assertThat(collected, is(nullValue()));
this.collected = collected(classes.get(0));
}
protected TypeDeclaration collected(OperatorClass operatorClass) {
ModelFactory factory = Models.getModelFactory();
PackageElement pkg = (PackageElement) operatorClass.getElement().getEnclosingElement();
OperatorClassGenerator generator = new OperatorImplementationClassGenerator(
env,
factory,
new ImportBuilder(
factory,
new Jsr269(factory).convert(pkg),
Strategy.TOP_LEVEL),
operatorClass);
return generator.generate();
}
}
}