/*
* Copyright 2012-2017 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
*
* 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.springframework.boot.cli.compiler;
import java.util.ArrayList;
import java.util.List;
import org.codehaus.groovy.ast.ASTNode;
import org.codehaus.groovy.ast.AnnotationNode;
import org.codehaus.groovy.ast.ClassHelper;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.ModuleNode;
import org.codehaus.groovy.ast.PackageNode;
import org.codehaus.groovy.ast.expr.ConstantExpression;
import org.codehaus.groovy.ast.expr.Expression;
import org.codehaus.groovy.ast.expr.ListExpression;
import org.codehaus.groovy.control.SourceUnit;
import org.codehaus.groovy.control.io.ReaderSource;
import org.codehaus.groovy.transform.ASTTransformation;
import org.junit.Test;
import org.springframework.boot.groovy.DependencyManagementBom;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link ResolveDependencyCoordinatesTransformation}
*
* @author Andy Wilkinson
* @author Dave Syer
*/
public final class GenericBomAstTransformationTests {
private final SourceUnit sourceUnit = new SourceUnit((String) null,
(ReaderSource) null, null, null, null);
private final ModuleNode moduleNode = new ModuleNode(this.sourceUnit);
private final ASTTransformation transformation = new GenericBomAstTransformation() {
@Override
public int getOrder() {
return DependencyManagementBomTransformation.ORDER - 10;
}
@Override
protected String getBomModule() {
return "test:child:1.0.0";
}
};
@Test
public void transformationOfEmptyPackage() {
this.moduleNode.setPackage(new PackageNode("foo"));
this.transformation.visit(new ASTNode[] { this.moduleNode }, this.sourceUnit);
assertThat(getValue().toString()).isEqualTo("[test:child:1.0.0]");
}
@Test
public void transformationOfClass() {
this.moduleNode.addClass(ClassHelper.make("MyClass"));
this.transformation.visit(new ASTNode[] { this.moduleNode }, this.sourceUnit);
assertThat(getValue().toString()).isEqualTo("[test:child:1.0.0]");
}
@Test
public void transformationOfClassWithExistingManagedDependencies() {
this.moduleNode.setPackage(new PackageNode("foo"));
ClassNode cls = ClassHelper.make("MyClass");
this.moduleNode.addClass(cls);
AnnotationNode annotation = new AnnotationNode(
ClassHelper.make(DependencyManagementBom.class));
annotation.addMember("value", new ConstantExpression("test:parent:1.0.0"));
cls.addAnnotation(annotation);
this.transformation.visit(new ASTNode[] { this.moduleNode }, this.sourceUnit);
assertThat(getValue().toString())
.isEqualTo("[test:parent:1.0.0, test:child:1.0.0]");
}
private List<String> getValue() {
Expression expression = findAnnotation().getMember("value");
if (expression instanceof ListExpression) {
List<String> list = new ArrayList<>();
for (Expression ex : ((ListExpression) expression).getExpressions()) {
list.add((String) ((ConstantExpression) ex).getValue());
}
return list;
}
else if (expression == null) {
return null;
}
else {
throw new IllegalStateException("Member 'value' is not a ListExpression");
}
}
private AnnotationNode findAnnotation() {
PackageNode packageNode = this.moduleNode.getPackage();
ClassNode bom = ClassHelper.make(DependencyManagementBom.class);
if (packageNode != null) {
if (!packageNode.getAnnotations(bom).isEmpty()) {
return packageNode.getAnnotations(bom).get(0);
}
}
if (!this.moduleNode.getClasses().isEmpty()) {
return this.moduleNode.getClasses().get(0).getAnnotations(bom).get(0);
}
throw new IllegalStateException("No package or class node found");
}
}