/*
* Copyright 2010-2014 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.springframework.data.mongodb.core.query;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import org.junit.Test;
import org.springframework.data.mongodb.InvalidMongoDbApiUsageException;
import com.mongodb.BasicDBObject;
import com.mongodb.BasicDBObjectBuilder;
import com.mongodb.DBObject;
/**
* @author Oliver Gierke
* @author Thomas Darimont
* @author Christoph Strobl
*/
public class CriteriaTests {
@Test
public void testSimpleCriteria() {
Criteria c = new Criteria("name").is("Bubba");
assertEquals("{ \"name\" : \"Bubba\"}", c.getCriteriaObject().toString());
}
@Test
public void testNotEqualCriteria() {
Criteria c = new Criteria("name").ne("Bubba");
assertEquals("{ \"name\" : { \"$ne\" : \"Bubba\"}}", c.getCriteriaObject().toString());
}
@Test
public void buildsIsNullCriteriaCorrectly() {
DBObject reference = new BasicDBObject("name", null);
Criteria criteria = new Criteria("name").is(null);
assertThat(criteria.getCriteriaObject(), is(reference));
}
@Test
public void testChainedCriteria() {
Criteria c = new Criteria("name").is("Bubba").and("age").lt(21);
assertEquals("{ \"name\" : \"Bubba\" , \"age\" : { \"$lt\" : 21}}", c.getCriteriaObject().toString());
}
@Test(expected = InvalidMongoDbApiUsageException.class)
public void testCriteriaWithMultipleConditionsForSameKey() {
Criteria c = new Criteria("name").gte("M").and("name").ne("A");
c.getCriteriaObject();
}
@Test
public void equalIfCriteriaMatches() {
Criteria left = new Criteria("name").is("Foo").and("lastname").is("Bar");
Criteria right = new Criteria("name").is("Bar").and("lastname").is("Bar");
assertThat(left, is(not(right)));
assertThat(right, is(not(left)));
}
/**
* @see DATAMONGO-507
*/
@Test(expected = IllegalArgumentException.class)
public void shouldThrowExceptionWhenTryingToNegateAndOperation() {
new Criteria() //
.not() //
.andOperator(Criteria.where("delete").is(true).and("_id").is(42)); //
}
/**
* @see DATAMONGO-507
*/
@Test(expected = IllegalArgumentException.class)
public void shouldThrowExceptionWhenTryingToNegateOrOperation() {
new Criteria() //
.not() //
.orOperator(Criteria.where("delete").is(true).and("_id").is(42)); //
}
/**
* @see DATAMONGO-507
*/
@Test(expected = IllegalArgumentException.class)
public void shouldThrowExceptionWhenTryingToNegateNorOperation() {
new Criteria() //
.not() //
.norOperator(Criteria.where("delete").is(true).and("_id").is(42)); //
}
/**
* @see DATAMONGO-507
*/
@Test
public void shouldNegateFollowingSimpleExpression() {
Criteria c = Criteria.where("age").not().gt(18).and("status").is("student");
DBObject co = c.getCriteriaObject();
assertThat(co, is(notNullValue()));
assertThat(co.toString(), is("{ \"age\" : { \"$not\" : { \"$gt\" : 18}} , \"status\" : \"student\"}"));
}
/**
* @see DATAMONGO-1068
*/
@Test
public void getCriteriaObjectShouldReturnEmptyDBOWhenNoCriteriaSpecified() {
DBObject dbo = new Criteria().getCriteriaObject();
assertThat(dbo, equalTo(new BasicDBObjectBuilder().get()));
}
/**
* @see DATAMONGO-1068
*/
@Test
public void getCriteriaObjectShouldUseCritieraValuesWhenNoKeyIsPresent() {
DBObject dbo = new Criteria().lt("foo").getCriteriaObject();
assertThat(dbo, equalTo(new BasicDBObjectBuilder().add("$lt", "foo").get()));
}
/**
* @see DATAMONGO-1068
*/
@Test
public void getCriteriaObjectShouldUseCritieraValuesWhenNoKeyIsPresentButMultipleCriteriasPresent() {
DBObject dbo = new Criteria().lt("foo").gt("bar").getCriteriaObject();
assertThat(dbo, equalTo(new BasicDBObjectBuilder().add("$lt", "foo").add("$gt", "bar").get()));
}
/**
* @see DATAMONGO-1068
*/
@Test
public void getCriteriaObjectShouldRespectNotWhenNoKeyPresent() {
DBObject dbo = new Criteria().lt("foo").not().getCriteriaObject();
assertThat(dbo, equalTo(new BasicDBObjectBuilder().add("$not", new BasicDBObject("$lt", "foo")).get()));
}
}