package org.apache.ibatis.builder.xml.dynamic;
import domain.blog.Author;
import domain.blog.Section;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import java.util.HashMap;
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 shouldIterateOverIterable() {
final HashMap<String, String[]> parameterObject = new HashMap() {{
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);
}
}
}