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* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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*/
package org.teiid.translator.mongodb;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.Mockito;
import org.teiid.cdk.api.TranslationUtility;
import org.teiid.core.util.ObjectConverterUtil;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.language.Command;
import org.teiid.language.Delete;
import org.teiid.language.Insert;
import org.teiid.language.Update;
import org.teiid.query.metadata.TransformationMetadata;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.translator.TranslatorException;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBObject;
@SuppressWarnings("nls")
public class TestMongoDBUpdateVisitor {
private MongoDBExecutionFactory translator;
private TranslationUtility utility;
private LinkedHashMap<String, DBObject> docs;
@Before
public void setUp() throws Exception {
this.translator = new MongoDBExecutionFactory();
this.translator.start();
TransformationMetadata metadata = RealMetadataFactory.fromDDL(ObjectConverterUtil.convertFileToString(UnitTestUtil.getTestDataFile("northwind.ddl")), "sakila", "northwind");
this.utility = new TranslationUtility(metadata);
}
private MergeDetails buildKey(String name, String parentTable, String embeddedTable, String id) {
MergeDetails key = new MergeDetails(null);
key.setName(name);
key.setParentTable(parentTable);
key.setEmbeddedTable(embeddedTable);
key.setId("id", id);
return key;
}
private void helpExecute(String query, String collection, String expected, String match, MergeDetails pushKey, List<MergeDetails> pullKeys) throws Exception {
Command cmd = this.utility.parseCommand(query);
MongoDBUpdateVisitor visitor = new MongoDBUpdateVisitor(this.translator, this.utility.createRuntimeMetadata(), Mockito.mock(DB.class));
visitor.visitNode(cmd);
if (!visitor.exceptions.isEmpty()) {
throw visitor.exceptions.get(0);
}
assertEquals(collection, visitor.mongoDoc.getTargetTable().getName());
if (cmd instanceof Insert) {
assertEquals("wrong insert", expected, visitor.getInsert(this.docs).toString());
}
else if (cmd instanceof Update) {
assertEquals("wrong update", expected, visitor.getUpdate(this.docs).toString());
}
else if (cmd instanceof Delete) {
}
if (visitor.match != null) {
assertEquals("match wrong", match, visitor.match.toString());
}
MongoDocument doc = visitor.mongoDoc;
if (doc.isMerged()) {
assertEquals("Wrong PushKey", pushKey.toString(), visitor.mongoDoc.getMergeKey().toString());
}
if (!visitor.mongoDoc.getEmbeddedReferences().isEmpty()) {
assertEquals("Wrong PullKeys", visitor.mongoDoc.getEmbeddedReferences().toString(), pullKeys.toString());
}
this.docs = null;
}
@Test
public void testInsert() throws Exception {
helpExecute("insert into users (id, user_id, age, status) values (1, 'johndoe', 34, 'A')", "users",
"{ \"user_id\" : \"johndoe\" , \"age\" : 34 , \"status\" : \"A\" , \"_id\" : 1}",
null, null, null);
}
@Test
public void testInsertWithFKWithEmbeddable() throws Exception {
this.docs = new LinkedHashMap<String, DBObject>();
this.docs.put("Categories", new BasicDBObject("categoryK", "categoryV"));
this.docs.put("Suppliers", new BasicDBObject("SuppliersK", "SuppliersV"));
ArrayList<MergeDetails> pull = new ArrayList<MergeDetails>();
pull.add(buildKey("Categories", "Products", "Categories", "24"));
pull.add(buildKey("Suppliers", "Products", "Suppliers", "34"));
helpExecute("insert into Products (ProductID, ProductName, SupplierID, CategoryID, QuantityPerUnit, UnitPrice, UnitsInStock, UnitsOnOrder, ReorderLevel, Discontinued) " +
"values (1, 'hammer', 34, 24, 12, 12.50, 3, 4, 2, 1)",
"Products",
"{ \"ProductName\" : \"hammer\" , \"SupplierID\" : 34 , \"CategoryID\" : 24 , \"QuantityPerUnit\" : \"12\" , \"UnitPrice\" : 12.5 , \"UnitsInStock\" : 3 , \"UnitsOnOrder\" : 4 , \"ReorderLevel\" : 2 , \"Discontinued\" : 1 , \"_id\" : 1 , \"Categories\" : { \"categoryK\" : \"categoryV\"} , \"Suppliers\" : { \"SuppliersK\" : \"SuppliersV\"}}",
null, null, pull);
}
@Test
public void testMergeInsert() throws Exception {
helpExecute("insert into OrderDetails (odID, ProductID, UnitPrice, Quantity, Discount) " +
"values (2, 3, 1.50, 12, 1.0)",
"Orders",
"{ \"UnitPrice\" : 1.5 , \"Quantity\" : 12 , \"Discount\" : 1.0 , \"_id\" : { \"odID\" : 2 , \"ProductID\" : 3}}",
null, buildKey("FK1", "Orders", "OrderDetails", "2"), null);
}
@Test
public void testUpdate() throws Exception {
helpExecute("update users set age = 48", "users", "{ \"age\" : 48}", null, null, null);
}
@Test
public void testUpdateFK() throws Exception {
helpExecute(
"update users set user_id = 'billybob'",
"users",
"{ \"user_id\" : \"billybob\"}",
null, null, null);
}
@Test
public void testUpdateWithWhere() throws Exception {
helpExecute(
"update users set user_id = 'billybob' WHERE age > 50",
"users",
"{ \"user_id\" : \"billybob\"}",
"{ \"age\" : { \"$gt\" : 50}}", null, null);
}
@Test
public void testDeleteWithWhere() throws Exception {
helpExecute("delete from users WHERE age > 50", "users", null,
"{ \"age\" : { \"$gt\" : 50}}", null, null);
}
@Test
public void testUpdateEmbedddedInSimpleUpdate() throws Exception {
helpExecute("UPDATE OrderDetails SET UnitPrice = 14.50", "Orders",
"{ \"OrderDetails.$.UnitPrice\" : 14.5}", null,
buildKey("FK1", "Orders", "OrderDetails", null), null);
}
@Test(expected=TranslatorException.class)
public void testUpdateMergeReferenceUpdate() throws Exception {
helpExecute("UPDATE OrderDetails SET ProductID = 4", "Orders",
"{ \"ProductID\" : 4}",
null, buildKey("FK1", "Orders", "OrderDetails", null),
null);
}
@Test(expected=TranslatorException.class)
public void testUpdateMergeParentUpdate() throws Exception {
this.docs = new LinkedHashMap<String, DBObject>();
this.docs.put("Products", new BasicDBObject("key", "value"));
helpExecute("UPDATE OrderDetails SET odID = 4", "Orders",
"{ \"Products.ProductID\" : { \"$ref\" : \"Products\" , \"$id\" : 4} , \"Products\" : { \"key\" : \"value\"}}",
null, buildKey("FK1", "Orders", "OrderDetails", null), null);
}
@Test
public void testUpdateParentTableWithEmbeddable() throws Exception {
this.docs = new LinkedHashMap<String, DBObject>();
this.docs.put("Categories", new BasicDBObject("categoryK", "categoryV"));
ArrayList<MergeDetails> pull = new ArrayList<MergeDetails>();
pull.add(buildKey("Categories", "Products", "Categories", "4"));
pull.add(buildKey("Suppliers", "Products", "Suppliers", null));
helpExecute("UPDATE Products SET CategoryID = 4", "Products",
"{ \"CategoryID\" : 4 , \"Categories\" : { \"categoryK\" : \"categoryV\"}}",
null,null,pull);
}
@Test
public void testUpdateEmbeddableTable() throws Exception {
this.docs = new LinkedHashMap<String, DBObject>();
helpExecute("UPDATE Categories SET Description = 'change' WHERE CategoryID = 1", "Categories",
"{ \"Description\" : \"change\"}",
"{ \"_id\" : 1}",
null,
null);
}
@Test
public void testCompositeKeyInsert() throws Exception {
helpExecute("insert into G1 (e1, e2, e3) values (1,2,3)", "G1",
"{ \"e3\" : 3 , \"_id\" : { \"e1\" : 1 , \"e2\" : 2}}",
null, null, null);
}
@Test
@Ignore
public void testCompositeKeyUpdate() throws Exception {
helpExecute("update G1 set e2 = 48", "G1", "{ \"_id.e2\" : 48}", null, null, null);
}
@Test
public void testCompositeKeyDeleteWithWhere() throws Exception {
helpExecute("delete from G1 WHERE e1 > 50", "G1", null,
"{ \"_id.e1\" : { \"$gt\" : 50}}", null, null);
}
@Test
public void testCompositeFKKeyInsert() throws Exception {
helpExecute("insert into G2 (e1, e2, e3) values (1,2,3)", "G2",
"{ \"e1\" : 1 , \"e2\" : 2 , \"e3\" : 3}",
null, null, null);
}
@Test
public void testCompositeFKUpdate() throws Exception {
helpExecute("update G2 set e1=47, e2 = 48", "G2", "{ \"e1\" : 47 , \"e2\" : 48}", null, null, null);
}
@Test
public void testCompositeFKUpdateNonKey() throws Exception {
helpExecute("update G2 set e3=0 where e2 = 48", "G2", "{ \"e3\" : 0}", "{ \"e2\" : 48}", null, null);
}
}