/**
* Copyright 2006 Webmedia Group Ltd.
*
* 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.araneaframework.uilib.widgets.lists.tests.tests.expression;
import junit.framework.TestCase;
import org.apache.log4j.Logger;
import org.araneaframework.backend.list.memorybased.expression.VariableResolver;
import org.araneaframework.backend.list.memorybased.expression.constant.ValueExpression;
import org.araneaframework.backend.list.memorybased.expression.procedure.ProcedureExpression;
import org.araneaframework.backend.list.memorybased.expression.variable.VariableExpression;
import org.araneaframework.uilib.widgets.lists.tests.mock.MockVariableResolver;
public class ExpressionTests extends TestCase {
private static final Logger log = Logger.getLogger(ExpressionTests.class);
private VariableResolver resolver;
public void setUp() {
this.resolver = new MockVariableResolver();
}
public void tearDown() {
this.resolver = null;
}
public void testValueExpression() {
log.debug("Testing ValueExpression");
// evaluating
assertNull("ValueExpression must return null",
new ValueExpression(null).evaluate(this.resolver));
assertEquals("ValueExpression must return true", Boolean.TRUE,
new ValueExpression(Boolean.TRUE).evaluate(this.resolver));
assertEquals("ValueExpression must return 0", new Long(0),
new ValueExpression(new Long(0)).evaluate(this.resolver));
// name
assertEquals("ValueExpression's name must be 'value1'", "value1",
new ValueExpression("value1", null).getName());
}
public void testVariableExpression() {
log.debug("Testing VariableExpression");
// name
try {
new VariableExpression(null).getName();
fail("VariableExpression's name can't be null");
} catch (Exception e) {
// normal
}
assertEquals("VariableExpression's name must be 'var1'", "var1",
new VariableExpression("var1").getName());
// evaluating
assertEquals("VariableExpression must return Tom", "Tom",
new VariableExpression("var").evaluate(new MockVariableResolver("var", "Tom")));
}
public void testProcedureExpression() {
log.debug("Testing ProcedureExpression");
// name
try {
new ProcedureExpression(null).getName();
fail("ProcedureExpression's name can't be null");
} catch (Exception e) {
// normal
}
assertEquals("ProcedureExpression's name must be 'proc1'", "proc1",
new ProcedureExpression("proc1").getName());
// evaluating
try {
new ProcedureExpression("proc1").evaluate(this.resolver);
fail("ProcedureExpression should not be evaluatable");
} catch (Exception e) {
// normal
}
}
}