DataSourceObserverTest.java
/**
* Copyright (c) 2016, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.commons.datasource;
import com.google.common.jimfs.Configuration;
import com.google.common.jimfs.Jimfs;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
class DataSourceObserverTest {
private FileSystem fileSystem;
protected Path testDir;
@BeforeEach
void setUp() throws Exception {
fileSystem = Jimfs.newFileSystem(Configuration.unix());
testDir = fileSystem.getPath("/tmp");
Files.createDirectories(testDir);
}
@AfterEach
void tearDown() throws Exception {
fileSystem.close();
}
@Test
void test() throws IOException {
String[] openedStream = new String[1];
String[] closedStream = new String[1];
DataSourceObserver observer = new DataSourceObserver() {
@Override
public void opened(String streamName) {
openedStream[0] = streamName;
}
@Override
public void closed(String streamName) {
closedStream[0] = streamName;
}
};
DataSource dataSource = new DirectoryDataSource(testDir, "test", observer);
try (OutputStream os = dataSource.newOutputStream(null, "txt", false)) {
}
assertEquals("/tmp/test.txt", openedStream[0]);
assertEquals("/tmp/test.txt", closedStream[0]);
openedStream[0] = null;
closedStream[0] = null;
try (InputStream is = dataSource.newInputStream(null, "txt")) {
}
assertEquals("/tmp/test.txt", openedStream[0]);
assertEquals("/tmp/test.txt", closedStream[0]);
}
}