/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.gora.persistency.impl;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.List;
import org.apache.avro.Schema.Field;
import org.apache.avro.util.Utf8;
import org.apache.gora.examples.generated.Employee;
import org.apache.gora.examples.generated.WebPage;
import org.apache.gora.memory.store.MemStore;
import org.apache.gora.store.DataStoreFactory;
import org.apache.gora.store.DataStoreTestUtil;
import org.apache.hadoop.conf.Configuration;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import org.junit.Test;
/**
* Testcase for PersistentBase class
*/
public class TestPersistentBase {
/**
* Assert that the list of fields from the WebPage Schema
* are as we expect. This is done by creating and accessing
* a WebPage object, then comparing the results against
* static fields of the WebPage.SCHEMA$.
*/
@Test
public void testGetFields() {
WebPage page = WebPage.newBuilder().build();
List<Field> fields = page.getSchema().getFields();
assertEquals(WebPage.SCHEMA$.getFields(), fields);
}
/**
* Assert that individual field values are as we would
* expect from directly accessing WebPage.SCHEMA$ values.
*/
@Test
public void testGetField() {
WebPage page = WebPage.newBuilder().build();
for(int i=0; i<WebPage.SCHEMA$.getFields().toArray().length; i++) {
Field field = page.getSchema().getFields().get(i);
assertEquals(WebPage.SCHEMA$.getFields().get(i), field);
}
}
/**
* Assert that field positions as found within the SCHEMA array
* are as we would expect by accessing them directly.
*/
@Test
public void testGetFieldIndex() {
WebPage page = WebPage.newBuilder().build();
for(int i=0; i<WebPage.SCHEMA$.getFields().toArray().length; i++) {
int index = page.getSchema().getFields().get(i).pos();
assertEquals(i, index);
}
}
/**
* Assert that field positions as found within the SCHEMA array
* are as we would expect by accessing them directly.
* This tests for both WebPage and Employee data beans.
*/
@Test
public void testFieldsWithTwoClasses() {
WebPage page = WebPage.newBuilder().build();
for(int i=0; i<WebPage.SCHEMA$.getFields().toArray().length; i++) {
int index = page.getSchema().getFields().get(i).pos();
assertEquals(i, index);
}
Employee employee = Employee.newBuilder().build();
for(int i=0; i<Employee.SCHEMA$.getFields().toArray().length; i++) {
int index = employee.getSchema().getFields().get(i).pos();
assertEquals(i, index);
}
}
/**
* First we create a new WebPage object, to which we add some
* field values. This makes the fields dirty as we have not
* flushed them to the datastore. We then clear the dirty
* fields and assert that the values DO NOT exist for the
* field we previously made dirty.
* We then set new values for fields, consequently making them
* dirty, before testing the clearing of an entirely new object
* has all fields as null as they should be clean.
*/
@Test
public void testClear() {
//test clear all fields
WebPage page = WebPage.newBuilder().build();
page.setUrl(new Utf8("http://foo.com"));
page.getParsedContent().add(new Utf8("foo"));
page.getOutlinks().put(new Utf8("foo"), new Utf8("bar"));
page.setContent(ByteBuffer.wrap("foo baz bar".getBytes()));
page.clear();
assertNull(page.getUrl());
assertEquals(0, page.getParsedContent().size());
assertEquals(0, page.getOutlinks().size());
assertNull(page.getContent());
//set fields again
page.setUrl(new Utf8("http://bar.com"));
page.getParsedContent().add(new Utf8("bar"));
page.getOutlinks().put(new Utf8("bar"), new Utf8("baz"));
page.setContent(ByteBuffer.wrap("foo baz bar barbaz".getBytes()));
//test clear new object
page = WebPage.newBuilder().build();
page.clear();
}
/**
* Tests and asserts that an in-memory representation of the
* Employee object is Equal to a clone of the same object.
* @throws IOException
* @throws Exception
*/
@Test
public void testClone() throws IOException, Exception {
//more tests for clone are in TestPersistentDatumReader
@SuppressWarnings("unchecked")
MemStore<String, Employee> store = DataStoreFactory.getDataStore(
MemStore.class, String.class, Employee.class, new Configuration());
Employee employee = DataStoreTestUtil.createEmployee(store);
assertEquals(employee, Employee.newBuilder(employee).build());
}
}