/*
* 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.jena.propertytable.impl;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import org.apache.jena.atlas.csv.CSVTokenIterator;
import org.apache.jena.propertytable.BaseTest;
import org.apache.jena.propertytable.Row;
import org.junit.Assert;
import org.junit.Test;
import com.hp.hpl.jena.graph.Node;
import com.hp.hpl.jena.graph.NodeFactory;
/**
* Tests related to PropertyTableBuilder, or more explicitly for the CSV parser in the current release.
*
*/
public abstract class AbstractPropertyTableBuilderTest extends BaseTest {
@Test
public void testFillPropertyTable() {
CSVTokenIterator iterator = csv("a,b\nc,d\ne,f");
PropertyTableBuilder.fillPropertyTable(table, iterator, csvFilePath);
Assert.assertEquals(3, table.getColumns().size());
containsColumn(PropertyTableBuilder.CSV_ROW_NODE);
containsColumn("a");
containsColumn("b");
Assert.assertEquals(2, table.getAllRows().size());
containsValue(0, "a", "c");
containsValue(0, "b", "d");
containsValue(1, "a", "e");
containsValue(1, "b", "f");
}
@Test
public void testIrregularTable1() {
CSVTokenIterator iterator = csv("a,b\nc\ne,f");
PropertyTableBuilder.fillPropertyTable(table, iterator, csvFilePath);
Assert.assertEquals(3, table.getColumns().size());
containsColumn(PropertyTableBuilder.CSV_ROW_NODE);
containsColumn("a");
containsColumn("b");
Assert.assertEquals(2, table.getAllRows().size());
containsValue(0, "a", "c");
nullValue(0, "b");
containsValue(1, "a", "e");
containsValue(1, "b", "f");
}
@Test
public void testIrregularTable2() {
CSVTokenIterator iterator = csv("a,b\nc,d1,d2\ne,f");
PropertyTableBuilder.fillPropertyTable(table, iterator, csvFilePath);
Assert.assertEquals(3, table.getColumns().size());
containsColumn(PropertyTableBuilder.CSV_ROW_NODE);
containsColumn("a");
containsColumn("b");
Assert.assertEquals(2, table.getAllRows().size());
containsValue(0, "a", "c");
containsValue(0, "b", "d1");
containsValue(1, "a", "e");
containsValue(1, "b", "f");
}
@Test
public void testIrregularTable3() {
CSVTokenIterator iterator = csv("a,b\n,d\ne,f");
PropertyTableBuilder.fillPropertyTable(table, iterator, csvFilePath);
Assert.assertEquals(3, table.getColumns().size());
containsColumn(PropertyTableBuilder.CSV_ROW_NODE);
containsColumn("a");
containsColumn("b");
Assert.assertEquals(2, table.getAllRows().size());
nullValue(0, "a");
containsValue(0, "b", "d");
containsValue(1, "a", "e");
containsValue(1, "b", "f");
}
private void nullValue(int rowIndex, String column) {
Row row = table.getAllRows().get(rowIndex);
Node v = row.getValue(NodeFactory.createURI(getColumnKey(column)));
Assert.assertEquals(null, v);
}
private void containsValue(int rowIndex, String column, String value) {
Row row = table.getAllRows().get(rowIndex);
Node v = row.getValue(NodeFactory.createURI(getColumnKey(column)));
Assert.assertEquals(value, v.getLiteralValue());
}
private String getColumnKey(String column) {
return PropertyTableBuilder.createColumnKeyURI(csvFilePath, column);
}
private void containsColumn(String column) {
containsColumn(NodeFactory.createURI(getColumnKey(column)));
}
private void containsColumn(Node columnKey) {
Assert.assertTrue(collectionContains(table.getColumns(), columnKey));
}
private CSVTokenIterator csv(String input) {
try {
InputStream in = new ByteArrayInputStream(input.getBytes("UTF-8"));
CSVTokenIterator iterator = new CSVTokenIterator(in);
return iterator;
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
}