eu.freme.bpt.service.FailurePolicyTest.java Source code

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Here is the source code for eu.freme.bpt.service.FailurePolicyTest.java

Source

package eu.freme.bpt.service;

import eu.freme.bpt.util.FailurePolicy;
import org.apache.commons.io.FileUtils;
import org.junit.Test;

import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;

import static org.junit.Assert.*;

/**
 * Copyright (C) 2016 Agroknow, Deutsches Forschungszentrum fr Knstliche Intelligenz, iMinds,
 * Institut fr Angewandte Informatik e. V. an der Universitt Leipzig,
 * Istituto Superiore Mario Boella, Tilde, Vistatec, WRIPL (http://freme-project.eu)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Tests on the FailurePolicy class.
 *
 */
public class FailurePolicyTest {

    @Test
    public void testStdOutBestEffort() {
        FailurePolicy policy = FailurePolicy.create(FailurePolicy.Strategy.BEST_EFFORT, null);
        assertEquals(FailurePolicy.Strategy.BEST_EFFORT, policy.getStrategy());
        assertTrue(policy.check());
    }

    @Test
    public void testStdOutAbort() {
        FailurePolicy policy = FailurePolicy.create(FailurePolicy.Strategy.ABORT, null);
        assertEquals(FailurePolicy.Strategy.ABORT, policy.getStrategy());
        assertFalse(policy.check());
    }

    @Test
    public void testStdOutRevert() {
        FailurePolicy policy = FailurePolicy.create(FailurePolicy.Strategy.REVERT, null);
        assertEquals(FailurePolicy.Strategy.ABORT, policy.getStrategy());
        assertFalse(policy.check());
    }

    @Test
    public void testDirBestEffort() throws IOException {
        File dir = createDir();
        FailurePolicy policy = FailurePolicy.create(FailurePolicy.Strategy.BEST_EFFORT, dir);
        assertEquals(FailurePolicy.Strategy.BEST_EFFORT, policy.getStrategy());
        assertTrue(policy.check());
        assertTrue(dir.exists());
        FileUtils.deleteDirectory(dir);
    }

    @Test
    public void testDirBestAbort() throws IOException {
        File dir = createDir();
        FailurePolicy policy = FailurePolicy.create(FailurePolicy.Strategy.ABORT, dir);
        assertEquals(FailurePolicy.Strategy.ABORT, policy.getStrategy());
        assertFalse(policy.check());
        assertTrue(dir.exists());
        FileUtils.deleteDirectory(dir);
    }

    @Test
    public void testDirRevert() throws IOException {
        File dir = createDir();
        FailurePolicy policy = FailurePolicy.create(FailurePolicy.Strategy.REVERT, dir);
        assertEquals(FailurePolicy.Strategy.REVERT, policy.getStrategy());
        assertFalse(policy.check());
        assertFalse(dir.exists());
        FileUtils.deleteDirectory(dir);
    }

    private File createDir() throws IOException {
        File dir = Files.createTempDirectory("testDir").toFile();
        try {
            FileUtils.forceDeleteOnExit(dir);
        } catch (IOException e) {
            e.printStackTrace();
        }
        // now create some files in it
        File file1 = new File(dir, "file1");
        File file2 = new File(dir, "file2");
        Files.write(file1.toPath(), "Hello".getBytes(StandardCharsets.UTF_8), StandardOpenOption.CREATE,
                StandardOpenOption.WRITE);
        Files.write(file2.toPath(), "World".getBytes(StandardCharsets.UTF_8), StandardOpenOption.CREATE,
                StandardOpenOption.WRITE);
        return dir;
    }
}