| /* |
| * Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package org.glassfish.jersey.linking; |
| |
| import javax.el.ExpressionFactory; |
| import javax.el.ValueExpression; |
| |
| import org.junit.Test; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| /** |
| * |
| * @author Mark Hadley |
| * @author Gerard Davison (gerard.davison at oracle.com) |
| */ |
| public class LinkELContextTest { |
| |
| @Test |
| public void testExpressionFactory() { |
| System.out.println("Create expression factory"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| assertNotNull(factory); |
| } |
| |
| @Test |
| public void testLiteralExpression() { |
| System.out.println("Literal expression"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| LinkELContext context = new LinkELContext(new BooleanBean(), null); |
| ValueExpression expr = factory.createValueExpression(context, |
| "${1+2}", int.class); |
| Object value = expr.getValue(context); |
| assertEquals(3, value); |
| } |
| |
| public static final String ID = "10"; |
| public static final String NAME = "TheName"; |
| |
| public static class EntityBean { |
| |
| private String id = ID; |
| private String name = NAME; |
| |
| public String getId() { |
| return id; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| } |
| |
| @Test |
| public void testExpression() { |
| System.out.println("Raw expression"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| LinkELContext context = new LinkELContext(new EntityBean(), null); |
| ValueExpression expr = factory.createValueExpression(context, |
| "${entity.id}", String.class); |
| Object value = expr.getValue(context); |
| assertEquals(ID, value); |
| } |
| |
| @Test |
| public void testEmbeddedExpression() { |
| System.out.println("Embedded expression"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| LinkELContext context = new LinkELContext(new EntityBean(), null); |
| ValueExpression expr = factory.createValueExpression(context, |
| "foo/${entity.id}/bar", String.class); |
| Object value = expr.getValue(context); |
| assertEquals("foo/" + ID + "/bar", value); |
| } |
| |
| @Test |
| public void testMultipleExpressions() { |
| System.out.println("Multiple expressions"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| LinkELContext context = new LinkELContext(new EntityBean(), null); |
| ValueExpression expr = factory.createValueExpression(context, |
| "foo/${entity.id}/bar/${entity.name}", String.class); |
| Object value = expr.getValue(context); |
| assertEquals("foo/" + ID + "/bar/" + NAME, value); |
| } |
| |
| public static class OuterEntityBean { |
| |
| private EntityBean inner = new EntityBean(); |
| |
| public EntityBean getInner() { |
| return inner; |
| } |
| } |
| |
| @Test |
| public void testNestedExpression() { |
| System.out.println("Nested expression"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| LinkELContext context = new LinkELContext(new OuterEntityBean(), null); |
| ValueExpression expr = factory.createValueExpression(context, |
| "${entity.inner.id}", String.class); |
| Object value = expr.getValue(context); |
| assertEquals(ID, value); |
| } |
| |
| public static class BooleanBean { |
| |
| public boolean getEnabled() { |
| return true; |
| } |
| |
| public boolean getValue(boolean value) { |
| return value; |
| } |
| } |
| |
| @Test |
| public void testBooleanExpression() { |
| System.out.println("Boolean expression"); |
| ExpressionFactory factory = ExpressionFactory.newInstance(); |
| LinkELContext context = new LinkELContext(new BooleanBean(), null); |
| ValueExpression expr = factory.createValueExpression(context, |
| "${entity.enabled}", boolean.class); |
| Object value = expr.getValue(context); |
| assertEquals(true, value); |
| expr = factory.createValueExpression(context, |
| "${entity.getValue(true)}", boolean.class); |
| value = expr.getValue(context); |
| assertEquals(true, value); |
| expr = factory.createValueExpression(context, |
| "${entity.getValue(false)}", boolean.class); |
| value = expr.getValue(context); |
| assertEquals(false, value); |
| } |
| |
| } |