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package persistence;
import model.asn1.exceptions.InvalidDBException;
import org.json.JSONObject;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class FSTest {
@Test
void testReadFail() {
// open(2) - EPERM
assertThrows(InvalidDBException.class, () -> FS.read(Path.of("/dev/mem")));
// open(2) - EISDIR
assertThrows(InvalidDBException.class, () -> FS.read(Path.of("/")));
// open(2) - ENOENT
assertThrows(InvalidDBException.class,
() -> FS.read(Path.of("919123082901382901", "9210388888888190231")));
// Cannot parse
assertThrows(InvalidDBException.class, () -> FS.read(Path.of("/dev/null")));
assertThrows(InvalidDBException.class, () -> FS.read(Path.of("README.md")));
}
@Test
void testReadSuccess() {
assertTrue(FS.read(Path.of("data", "valid_full.json")).keySet().contains("serial"));
}
@Test
void testWriteFail() {
// open(2) - EISDIR
assertThrows(IOException.class, () -> FS.write(Path.of("/"), new JSONObject()));
// open(2) - EPERM
assertThrows(IOException.class, () -> FS.write(Path.of("/dev/abc"), new JSONObject()));
// open(2) - ENOENT
assertThrows(IOException.class, () -> FS.write(Path.of("asdjiasoda", "jisdsaod"), new JSONObject()));
}
@Test
void testWriteSuccess() throws IOException {
FS.write(Path.of("data", ".tmp"), new JSONObject());
assertTrue(Files.exists(Path.of("data")));
Files.delete(Path.of("data", ".tmp"));
}
}
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