/*
* Copyright 2011-2014 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;
import static org.mockito.Matchers.*;
import static org.mockito.Mockito.*;
import static org.springframework.data.mongodb.core.query.Criteria.*;
import static org.springframework.data.mongodb.core.query.Query.*;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.springframework.data.mongodb.MongoDbFactory;
import org.springframework.data.mongodb.core.MongoTemplate.QueryCursorPreparer;
import org.springframework.data.mongodb.core.query.Meta;
import org.springframework.data.mongodb.core.query.Query;
import com.mongodb.DBCursor;
/**
* Unit tests for {@link QueryCursorPreparer}.
*
* @author Oliver Gierke
* @author Christoph Strobl
*/
@RunWith(MockitoJUnitRunner.class)
public class QueryCursorPreparerUnitTests {
@Mock MongoDbFactory factory;
@Mock DBCursor cursor;
@Mock DBCursor cursorToUse;
@Before
public void setUp() {
when(cursor.copy()).thenReturn(cursorToUse);
}
/**
* @see DATAMONGO-185
*/
@Test
public void appliesHintsCorrectly() {
Query query = query(where("foo").is("bar")).withHint("hint");
pepare(query);
verify(cursorToUse).hint("hint");
}
/**
* @see DATAMONGO-957
*/
@Test
public void doesNotApplyMetaWhenEmpty() {
Query query = query(where("foo").is("bar"));
query.setMeta(new Meta());
pepare(query);
verify(cursor, never()).copy();
verify(cursorToUse, never()).addSpecial(any(String.class), anyObject());
}
/**
* @see DATAMONGO-957
*/
@Test
public void appliesMaxScanCorrectly() {
Query query = query(where("foo").is("bar")).maxScan(100);
pepare(query);
verify(cursorToUse).addSpecial(eq("$maxScan"), eq(100L));
}
/**
* @see DATAMONGO-957
*/
@Test
public void appliesMaxTimeCorrectly() {
Query query = query(where("foo").is("bar")).maxTime(1, TimeUnit.SECONDS);
pepare(query);
verify(cursorToUse).addSpecial(eq("$maxTimeMS"), eq(1000L));
}
/**
* @see DATAMONGO-957
*/
@Test
public void appliesCommentCorrectly() {
Query query = query(where("foo").is("bar")).comment("spring data");
pepare(query);
verify(cursorToUse).addSpecial(eq("$comment"), eq("spring data"));
}
/**
* @see DATAMONGO-957
*/
@Test
public void appliesSnapshotCorrectly() {
Query query = query(where("foo").is("bar")).useSnapshot();
pepare(query);
verify(cursorToUse).addSpecial(eq("$snapshot"), eq(true));
}
private DBCursor pepare(Query query) {
CursorPreparer preparer = new MongoTemplate(factory).new QueryCursorPreparer(query, null);
return preparer.prepare(cursor);
}
}