WW-5233 Copies Tiles EL related tests

plugins/tiles/src/test/java/org/apache/tiles/el/ELAttributeEvaluatorTest.java

@@ -0,0 +1,189 @@
+/*
+ * 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.tiles.el;
+
+import com.sun.el.ExpressionFactoryImpl;
+import junit.framework.TestCase;
+import org.apache.tiles.api.Attribute;
+import org.apache.tiles.api.Expression;
+import org.apache.tiles.request.ApplicationContext;
+import org.apache.tiles.request.Request;
+import org.easymock.EasyMock;
+
+import javax.el.ArrayELResolver;
+import javax.el.BeanELResolver;
+import javax.el.CompositeELResolver;
+import javax.el.ELResolver;
+import javax.el.ListELResolver;
+import javax.el.MapELResolver;
+import javax.el.ResourceBundleELResolver;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Tests {@link ELAttributeEvaluator}.
+ */
+public class ELAttributeEvaluatorTest extends TestCase {
+
+    /**
+     * The evaluator to test.
+     */
+    private ELAttributeEvaluator evaluator;
+
+    /**
+     * The request object to use.
+     */
+    private Request request;
+
+    /** {@inheritDoc} */
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        evaluator = new ELAttributeEvaluator();
+        Map<String, Object> requestScope = new HashMap<>();
+        Map<String, Object> sessionScope = new HashMap<>();
+        Map<String, Object> applicationScope = new HashMap<>();
+        requestScope.put("object1", "value");
+        sessionScope.put("object2", 1);
+        applicationScope.put("object3", 2.0F);
+        requestScope.put("paulaBean", new PaulaBean());
+        request = EasyMock.createMock(Request.class);
+        EasyMock.expect(request.getContext("request")).andReturn(requestScope)
+                .anyTimes();
+        EasyMock.expect(request.getContext("session")).andReturn(sessionScope)
+                .anyTimes();
+        EasyMock.expect(request.getContext("application")).andReturn(
+                applicationScope).anyTimes();
+        EasyMock.expect(request.getAvailableScopes()).andReturn(
+                Arrays.asList("request", "session", "application")).anyTimes();
+        ApplicationContext applicationContext = EasyMock
+                .createMock(ApplicationContext.class);
+        EasyMock.expect(request.getApplicationContext()).andReturn(
+                applicationContext).anyTimes();
+        EasyMock.replay(request, applicationContext);
+
+        evaluator.setExpressionFactory(new ExpressionFactoryImpl());
+        ELResolver elResolver = new CompositeELResolver() {
+            {
+                BeanELResolver beanElResolver = new BeanELResolver(false);
+                add(new ScopeELResolver());
+                add(new TilesContextELResolver(beanElResolver));
+                add(new TilesContextBeanELResolver());
+                add(new ArrayELResolver(false));
+                add(new ListELResolver(false));
+                add(new MapELResolver(false));
+                add(new ResourceBundleELResolver());
+                add(beanElResolver);
+            }
+        };
+        evaluator.setResolver(elResolver);
+    }
+
+    /**
+     * Tests
+     * {@link ELAttributeEvaluator#evaluate(Attribute, Request)}.
+     */
+    public void testEvaluate() {
+        Attribute attribute = new Attribute();
+        attribute.setExpressionObject(new Expression("${requestScope.object1}"));
+        assertEquals("The value is not correct", "value", evaluator.evaluate(
+                attribute, request));
+        attribute.setExpressionObject(new Expression("${sessionScope.object2}"));
+        assertEquals("The value is not correct", 1, evaluator
+                .evaluate(attribute, request));
+        attribute.setExpressionObject(new Expression("${applicationScope.object3}"));
+        assertEquals("The value is not correct", 2.0F, evaluator
+                .evaluate(attribute, request));
+        attribute.setExpressionObject(new Expression("${object1}"));
+        assertEquals("The value is not correct", "value", evaluator.evaluate(
+                attribute, request));
+        attribute.setExpressionObject(new Expression("${object2}"));
+        assertEquals("The value is not correct", 1, evaluator
+                .evaluate(attribute, request));
+        attribute.setExpressionObject(new Expression("${object3}"));
+        assertEquals("The value is not correct", 2.0F, evaluator
+                .evaluate(attribute, request));
+        attribute.setExpressionObject(new Expression("${paulaBean.paula}"));
+        assertEquals("The value is not correct", "Brillant", evaluator
+                .evaluate(attribute, request));
+        attribute.setExpressionObject(new Expression("String literal"));
+        assertEquals("The value is not correct", "String literal", evaluator
+                .evaluate(attribute, request));
+        attribute.setValue(2);
+        assertEquals("The value is not correct", 2, evaluator
+                .evaluate(attribute, request));
+        attribute.setValue("${object1}");
+        assertEquals("The value has been evaluated", "${object1}", evaluator
+                .evaluate(attribute, request));
+    }
+
+    /**
+     * Tests
+     * {@link ELAttributeEvaluator#evaluate(String, Request)}.
+     */
+    public void testEvaluateString() {
+        String expression = "${requestScope.object1}";
+        assertEquals("The value is not correct", "value", evaluator.evaluate(
+                expression, request));
+        expression = "${sessionScope.object2}";
+        assertEquals("The value is not correct", 1, evaluator
+                .evaluate(expression, request));
+        expression = "${applicationScope.object3}";
+        assertEquals("The value is not correct", 2.0F, evaluator
+                .evaluate(expression, request));
+        expression = "${object1}";
+        assertEquals("The value is not correct", "value", evaluator.evaluate(
+                expression, request));
+        expression = "${object2}";
+        assertEquals("The value is not correct", 1, evaluator
+                .evaluate(expression, request));
+        expression = "${object3}";
+        assertEquals("The value is not correct", 2.0F, evaluator
+                .evaluate(expression, request));
+        expression = "${paulaBean.paula}";
+        assertEquals("The value is not correct", "Brillant", evaluator
+                .evaluate(expression, request));
+        expression = "String literal";
+        assertEquals("The value is not correct", expression, evaluator
+                .evaluate(expression, request));
+    }
+
+    /**
+     * This is The Brillant Paula Bean (sic) just like it was posted to:
+     * http://thedailywtf.com/Articles/The_Brillant_Paula_Bean.aspx
+     * I hope that there is no copyright on it.
+     */
+    public static class PaulaBean {
+
+        /**
+         * Paula is brillant, really.
+         */
+        private final String paula = "Brillant";
+
+        /**
+         * Returns brillant.
+         *
+         * @return "Brillant".
+         */
+        public String getPaula() {
+            return paula;
+        }
+    }
+}

plugins/tiles/src/test/java/org/apache/tiles/el/ELContextImplTest.java

@@ -0,0 +1,120 @@
+/*
+ * 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.tiles.el;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import javax.el.ELResolver;
+import javax.el.FunctionMapper;
+import javax.el.ValueExpression;
+import javax.el.VariableMapper;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+/**
+ * Tests {@link ELContextImpl}.
+ */
+public class ELContextImplTest {
+
+    /**
+     * The EL context to test.
+     */
+    private ELContextImpl context;
+
+    /**
+     * The EL resolver.
+     */
+    private ELResolver resolver;
+
+    /**
+     * Sets up the test.
+     */
+    @Before
+    public void setUp() {
+        resolver = createMock(ELResolver.class);
+        context = new ELContextImpl(resolver);
+    }
+
+    /**
+     * Test method for {@link ELContextImpl#getELResolver()}.
+     */
+    @Test
+    public void testGetELResolver() {
+        replay(resolver);
+        assertEquals(resolver, context.getELResolver());
+        verify(resolver);
+    }
+
+    /**
+     * Test method for {@link ELContextImpl#setFunctionMapper(FunctionMapper)}.
+     */
+    @Test
+    public void testSetFunctionMapper() {
+        FunctionMapper functionMapper = createMock(FunctionMapper.class);
+
+        replay(resolver, functionMapper);
+        context.setFunctionMapper(functionMapper);
+        assertEquals(functionMapper, context.getFunctionMapper());
+        verify(resolver, functionMapper);
+    }
+
+    /**
+     * Test method for {@link ELContextImpl#setVariableMapper(VariableMapper)}.
+     */
+    @Test
+    public void testSetVariableMapper() {
+        VariableMapper variableMapper = createMock(VariableMapper.class);
+
+        replay(resolver, variableMapper);
+        context.setVariableMapper(variableMapper);
+        assertEquals(variableMapper, context.getVariableMapper());
+        verify(resolver, variableMapper);
+    }
+
+    /**
+     * Tests {@link ELContextImpl#getFunctionMapper()}.
+     */
+    @Test
+    public void testNullFunctionMapper() {
+        replay(resolver);
+        FunctionMapper functionMapper = context.getFunctionMapper();
+        assertNull(functionMapper.resolveFunction("whatever", "it_IT"));
+        verify(resolver);
+    }
+
+    /**
+     * Tests {@link ELContextImpl#getVariableMapper()}.
+     */
+    @Test
+    public void testVariableMapperImpl() {
+        ValueExpression expression = createMock(ValueExpression.class);
+
+        replay(resolver, expression);
+        VariableMapper variableMapper = context.getVariableMapper();
+        assertNull(variableMapper.resolveVariable("whatever"));
+        variableMapper.setVariable("var", expression);
+        assertEquals(expression, variableMapper.resolveVariable("var"));
+        verify(resolver, expression);
+    }
+}

plugins/tiles/src/test/java/org/apache/tiles/el/JspExpressionFactoryFactoryTest.java

@@ -0,0 +1,84 @@
+/*
+ * 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.tiles.el;
+
+import org.apache.tiles.request.ApplicationContext;
+import org.junit.Test;
+
+import javax.el.ExpressionFactory;
+import javax.servlet.ServletContext;
+import javax.servlet.jsp.JspApplicationContext;
+import javax.servlet.jsp.JspFactory;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests {@link JspExpressionFactoryFactory}.
+ */
+public class JspExpressionFactoryFactoryTest {
+
+    /**
+     * Test method for {@link JspExpressionFactoryFactory#getExpressionFactory()}.
+     */
+    @Test
+    public void testGetExpressionFactory() {
+        ApplicationContext applicationContext = createMock(ApplicationContext.class);
+        ServletContext servletContext = createMock(ServletContext.class);
+        JspFactory jspFactory = createMock(JspFactory.class);
+        JspApplicationContext jspApplicationContext = createMock(JspApplicationContext.class);
+        ExpressionFactory expressionFactory = createMock(ExpressionFactory.class);
+
+        expect(applicationContext.getContext()).andReturn(servletContext);
+        expect(jspFactory.getJspApplicationContext(servletContext)).andReturn(jspApplicationContext);
+        expect(jspApplicationContext.getExpressionFactory()).andReturn(expressionFactory);
+
+        replay(applicationContext, servletContext, jspFactory,
+            jspApplicationContext, expressionFactory);
+        JspFactory.setDefaultFactory(jspFactory);
+        JspExpressionFactoryFactory factory = new JspExpressionFactoryFactory();
+        factory.setApplicationContext(applicationContext);
+        assertEquals(expressionFactory, factory.getExpressionFactory());
+        verify(applicationContext, servletContext, jspFactory,
+            jspApplicationContext, expressionFactory);
+    }
+
+    /**
+     * Test method for {@link JspExpressionFactoryFactory#getExpressionFactory()}.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testSetApplicationContextIllegal() {
+        ApplicationContext applicationContext = createMock(ApplicationContext.class);
+        Integer servletContext = 1;
+
+        expect(applicationContext.getContext()).andReturn(servletContext);
+
+        replay(applicationContext);
+        try {
+            JspExpressionFactoryFactory factory = new JspExpressionFactoryFactory();
+            factory.setApplicationContext(applicationContext);
+        } finally {
+            verify(applicationContext);
+        }
+    }
+
+}