import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

import java.io.File;

import static org.junit.jupiter.api.Assertions.*;

class StorageTest {

    static Storage storage;
    static String testFilePath = "/tmp/test.txt";

    @BeforeAll
    static void init() {
        storage = new Storage();

        if (System.getProperty("os.name").toLowerCase().contains("win")) {
            testFilePath = "C:\\test.txt";
        }
    }

    @AfterAll
    static void clear() {
        File myObj = new File(testFilePath);
        myObj.delete();
    }

    @Test
    void constructor() {
        assertInstanceOf(Storage.class, storage);
    }

    @Test
    void export() {
    }

    @Test
    void load() {
    }

    @Test
    void writeFile() {
        String content = "test";
        assertTrue(storage.writeFile(testFilePath, content));

        File f = new File(testFilePath);
        assertTrue(f.isFile());
    }

    @Test
    void readFile() {
        String content = "test";

        File f = new File(testFilePath);
        if (!f.isFile()) {
            assertTrue(storage.writeFile(testFilePath, content));
        }

        assertEquals(content, storage.readFile(testFilePath));
    }
}