package com.github.marschall.memoryfilesystem;
import static com.github.marschall.memoryfilesystem.Constants.SAMPLE_ENV;
import static com.github.marschall.memoryfilesystem.Constants.SAMPLE_URI;
import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
final class FileStoreRule implements TestRule {
private FileStore fileStore;
FileStore getFileStore() {
return this.fileStore;
}
@Override
public Statement apply(final Statement base, Description description) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
try (FileSystem fileSystem = FileSystems.newFileSystem(SAMPLE_URI, SAMPLE_ENV)) {
FileStoreRule.this.fileStore = this.getFileStore(fileSystem);
base.evaluate();
}
}
private FileStore getFileStore(FileSystem fileSystem) {
return fileSystem.getFileStores().iterator().next();
}
};
}
}