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ExpressionEvaluatorTest.java
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ExpressionEvaluatorTest.java
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/**
* Copyright 2009-2017 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.apache.ibatis.builder.xml.dynamic;
import static org.junit.Assert.*;
import java.util.HashMap;
import org.apache.ibatis.domain.blog.Author;
import org.apache.ibatis.domain.blog.Section;
import org.apache.ibatis.scripting.xmltags.ExpressionEvaluator;
import org.junit.Test;
public class ExpressionEvaluatorTest {
private ExpressionEvaluator evaluator = new ExpressionEvaluator();
@Test
public void shouldCompareStringsReturnTrue() {
boolean value = evaluator.evaluateBoolean("username == 'cbegin'", new Author(1, "cbegin", "******", "cbegin@apache.org", "N/A", Section.NEWS));
assertEquals(true, value);
}
@Test
public void shouldCompareStringsReturnFalse() {
boolean value = evaluator.evaluateBoolean("username == 'norm'", new Author(1, "cbegin", "******", "cbegin@apache.org", "N/A", Section.NEWS));
assertEquals(false, value);
}
@Test
public void shouldReturnTrueIfNotNull() {
boolean value = evaluator.evaluateBoolean("username", new Author(1, "cbegin", "******", "cbegin@apache.org", "N/A", Section.NEWS));
assertEquals(true, value);
}
@Test
public void shouldReturnFalseIfNull() {
boolean value = evaluator.evaluateBoolean("password", new Author(1, "cbegin", null, "cbegin@apache.org", "N/A", Section.NEWS));
assertEquals(false, value);
}
@Test
public void shouldReturnTrueIfNotZero() {
boolean value = evaluator.evaluateBoolean("id", new Author(1, "cbegin", null, "cbegin@apache.org", "N/A", Section.NEWS));
assertEquals(true, value);
}
@Test
public void shouldReturnFalseIfZero() {
boolean value = evaluator.evaluateBoolean("id", new Author(0, "cbegin", null, "cbegin@apache.org", "N/A", Section.NEWS));
assertEquals(false, value);
}
@Test
public void shouldReturnFalseIfZeroWithScale() {
class Bean {
@SuppressWarnings("unused")
public double d = 0.0d;
}
assertFalse(evaluator.evaluateBoolean("d", new Bean()));
}
@Test
public void shouldIterateOverIterable() {
final HashMap<String, String[]> parameterObject = new HashMap<String, String[]>() {{
put("array", new String[]{"1", "2", "3"});
}};
final Iterable<?> iterable = evaluator.evaluateIterable("array", parameterObject);
int i = 0;
for (Object o : iterable) {
assertEquals(String.valueOf(++i), o);
}
}
}