/*
 * Copyright (C) 2011 Benoit GUEROUT <bguerout at gmail dot com> and Yves AMSELLEM <amsellem dot yves at gmail dot com>
 *
 * 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.jongo;

import org.bson.types.ObjectId;
import org.jongo.marshall.MarshallingException;
import org.jongo.model.Coordinate;
import org.jongo.model.Friend;
import org.jongo.util.ErrorObject;
import org.jongo.util.JongoTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import java.util.Iterator;

import static junit.framework.Assert.fail;
import static org.fest.assertions.Assertions.assertThat;

public class FindTest extends JongoTestCase {

    private MongoCollection collection;

    @Before
    public void setUp() throws Exception {
        collection = createEmptyCollection("users");
    }

    @After
    public void tearDown() throws Exception {
        dropCollection("users");
    }

    @Test
    public void canFind() throws Exception {
        /* given */
        Friend friend = new Friend(new ObjectId(), "John");
        collection.save(friend);

        /* when */
        Iterator<Friend> users = collection.find("{name:'John'}").as(Friend.class).iterator();

        /* then */
        assertThat(users.hasNext()).isTrue();
        assertThat(users.next().getName()).isEqualTo("John");
        assertThat(users.hasNext()).isFalse();
    }

    @Test
    public void shouldFailWhenUnableToUnmarshallResult() throws Exception {
        /* given */
        collection.insert("{error: 'NotaDate'}");

        /* when */
        Iterator<ErrorObject> results = collection.find().as(ErrorObject.class).iterator();

        try {
            results.next();
            fail();
        } catch (MarshallingException e) {
            assertThat(e.getMessage()).contains(" \"error\" : \"NotaDate\"");
        }
    }

    @Test
    public void canFindWithEmptySelector() throws Exception {
        /* given */
        collection.insert("{name:'John'}");
        collection.insert("{name:'Smith'}");
        collection.insert("{name:'Peter'}");

        /* when */
        Iterable<Friend> friends = collection.find().as(Friend.class);

        /* then */
        assertThat(friends.iterator().hasNext()).isTrue();
        for (Friend friend : friends) {
            assertThat(friend.getName()).isIn("John", "Smith", "Peter");
        }
    }

    @Test
    public void canFindUsingSubProperty() throws Exception {
        /* given */
        collection.save(new Friend("John", new Coordinate(2, 31)));

        /* when */
        Iterator<Friend> results = collection.find("{'coordinate.lat':2}").as(Friend.class).iterator();

        /* then */
        assertThat(results.next().getCoordinate().lat).isEqualTo(2);
        assertThat(results.hasNext()).isFalse();
    }

}

@@ -845,16 +845,47 @@
 Friend;%0A
+import org.jongo.model.Gender;%0A
 import o
@@ -3338,10 +3338,1042 @@
 %0A    %7D%0A%0A
+    @Test%0A    public void canFindUsingEnum() throws Exception %7B%0A        /* given */%0A        Friend friend = new Friend(%22Jane%22, new Coordinate(2, 31));%0A        friend.setGender(Gender.FEMALE);%0A        collection.save(friend);%0A%0A        /* when */%0A        Iterator%3CFriend%3E results = collection.find(%22%7B'gender':#%7D%22, Gender.FEMALE).as(Friend.class).iterator();%0A%0A        /* then */%0A        assertThat(results.next().getGender()).isEqualTo(Gender.FEMALE);%0A        assertThat(results.hasNext()).isFalse();%0A    %7D%0A%0A    @Test%0A    public void canFindWithRegex() throws Exception %7B%0A        /* given */%0A        collection.insert(%22%7Bname:'John'%7D%22);%0A        collection.insert(%22%7Bname:'Smith'%7D%22);%0A        collection.insert(%22%7Bname:'Peter'%7D%22);%0A%0A        /* when */%0A        Iterable%3CFriend%3E friends = collection.find(%22%7Bname : %7B$regex: '.*h$'%7D%7D%22).as(Friend.class);%0A%0A        /* then */%0A        assertThat(friends.iterator().hasNext()).isTrue();%0A        for (Friend friend : friends) %7B%0A            assertThat(friend.getName()).isIn(%22Smith%22);%0A        %7D%0A    %7D%0A
 %7D%0A

Test query on enum and regex