<dependency>

          <groupId>org.easymock</groupId>

          <artifactId>easymock</artifactId>

          <version>3.0</version>

          <scope>test</scope>

      </dependency>

            <include>org/apache/taglibs/standard/tag/**/Test*.java</include>

/*

 * 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.taglibs.standard.tag.common.core;

import org.junit.Before;

import org.junit.Test;

import javax.el.ELContext;

import javax.el.ValueExpression;

import javax.el.VariableMapper;

import javax.servlet.jsp.JspException;

import javax.servlet.jsp.PageContext;

import static org.easymock.EasyMock.createMock;

import static org.easymock.EasyMock.expect;

import static org.easymock.EasyMock.replay;

import static org.easymock.EasyMock.verify;

public class TestSetSupport {

    private PageContext pageContext;

    private ELContext elContext;

    private VariableMapper vm;

    private SetSupport tag;

    @Before

    public void setup() {

        tag = new SetSupport();

        pageContext = createMock(PageContext.class);

        elContext = createMock(ELContext.class);

        vm = createMock(VariableMapper.class);

        expect(pageContext.getELContext()).andStubReturn(elContext);

        expect(elContext.getVariableMapper()).andStubReturn(vm);

    }

    /**

     * Verify Bug 49526 when there is no existing variable mapping.

     *

     * @throws JspException if there's an error

     */

    @Test

    public void test49526WhenNotMapped() throws JspException {

        tag.setPageContext(pageContext);

        tag.setVar("x");

        tag.value = "Hello";

        // verify mapper is checked but that no action is taken

        expect(vm.resolveVariable("x")).andReturn(null);

        pageContext.setAttribute("x", "Hello", PageContext.PAGE_SCOPE);

        replay(pageContext, elContext, vm);

        tag.doEndTag();

        verify(pageContext, elContext, vm);

    }

    /**

     * Verify Bug 49526 when there is an existing variable mapping.

     *

     * @throws JspException if there's an error

     */

    @Test

    public void test49526WhenAlreadyMapped() throws JspException {

        tag.setPageContext(pageContext);

        tag.setVar("x");

        tag.value = "Hello";

        // verify mapper is checked and the mapped variable removed

        ValueExpression ve = createMock(ValueExpression.class);

        expect(vm.resolveVariable("x")).andReturn(ve);

        expect(vm.setVariable("x", null)).andReturn(ve);

        pageContext.setAttribute("x", "Hello", PageContext.PAGE_SCOPE);

        replay(pageContext, elContext, vm, ve);

        tag.doEndTag();

        verify(pageContext, elContext, vm, ve);

    }

    /**

     * Verify Bug 49526 when we are not setting into the page context.

     *

     * @throws JspException if there's an error

     */

    @Test

    public void test49526WhenNotUsingPageContext() throws JspException {

        tag.setPageContext(pageContext);

        tag.setVar("x");

        tag.value = "Hello";

        tag.setScope("request");

        // verify mapper is not checked

        pageContext.setAttribute("x", "Hello", PageContext.REQUEST_SCOPE);

        replay(pageContext, elContext, vm);

        tag.doEndTag();

        verify(pageContext, elContext, vm);

    }

}