DataSourceTest.java
/*
* Copyright (c) 2024, 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 com.powsybl.commons.PowsyblException;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Nicolas Rol {@literal <nicolas.rol at rte-france.com>}
*/
class DataSourceTest {
private FileSystem fileSystem;
private Path directory;
@BeforeEach
void setUp() throws IOException {
fileSystem = Jimfs.newFileSystem(Configuration.unix());
directory = fileSystem.getPath("/test/");
Files.createDirectories(directory);
}
@AfterEach
void tearDown() throws IOException {
fileSystem.close();
}
private static Stream<Arguments> provideArgumentsForTestClass() {
return Stream.of(
Arguments.of("foo.xml", DirectoryDataSource.class),
Arguments.of("foo.xml.gz", GzDirectoryDataSource.class),
Arguments.of("foo.iidm.bz2", Bzip2DirectoryDataSource.class)
);
}
@ParameterizedTest
@MethodSource("provideArgumentsForTestClass")
void testClass(String fileName, Class<? extends DataSource> dataSourceClass) throws IOException {
// File path
Path filePath = directory.resolve(fileName);
// Assert exception when the file does not exist
PowsyblException exception = assertThrows(PowsyblException.class, () -> DataSource.fromPath(filePath));
assertEquals("File " + filePath + " does not exist", exception.getMessage());
// Create the fake file
Files.createFile(filePath);
// Create the datasource based on the file
DataSource dataSource = DataSource.fromPath(filePath);
// Assert the class of the datasource
assertInstanceOf(dataSourceClass, dataSource);
}
}