JGitFileSystemProviderMigrationTest.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.
 */

package org.uberfire.java.nio.fs.jgit;

import java.io.File;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;

import org.junit.Test;
import org.uberfire.java.nio.file.FileSystemNotFoundException;

import static org.fest.assertions.api.Assertions.assertThat;
import static org.fest.assertions.api.Assertions.fail;

/**
 * Created by aparedes on 9/16/16.
 */
public class JGitFileSystemProviderMigrationTest extends AbstractTestInfra {

    @Test
    public void testCreateANewDirectoryWithMigrationEnv() {

        final Map<String, ?> envMigrate = new HashMap<String, Object>() {{
            put("init",
                Boolean.TRUE);
            put("migrate-from",
                URI.create("git://old"));
        }};

        String newPath = "git://test/old";
        final URI newUri = URI.create(newPath);
        provider.newFileSystem(newUri,
                               envMigrate);

        provider.getFileSystem(newUri);
        assertThat(new File(provider.getGitRepoContainerDir(),
                            "test/old" + ".git").exists()).isTrue();
        assertThat(provider.getFileSystem(newUri)).isNotNull();
    }

    @Test
    public void testMigrateOldDirectories() {

        final Map<String, ?> env = new HashMap<String, Object>() {{
            put("init",
                Boolean.TRUE);
        }};

        final Map<String, ?> envMigrate = new HashMap<String, Object>() {{
            put("init",
                Boolean.TRUE);
            put("migrate-from",
                URI.create("git://old"));
        }};

        String oldPath = "git://old";
        final URI oldUri = URI.create(oldPath);
        final JGitFileSystem fs = (JGitFileSystem) provider.newFileSystem(oldUri,
                                                                          env);

        String newPath = "git://test/old";
        final URI newUri = URI.create(newPath);
        provider.newFileSystem(newUri,
                               envMigrate);

        try {
            provider.getFileSystem(oldUri);
            fail("It should not reach here because old filesystem does not exists");
        } catch (FileSystemNotFoundException ex) {
            assertThat(new File(provider.getGitRepoContainerDir(),
                                "test/old" + ".git").exists()).isTrue();
            assertThat(new File(provider.getGitRepoContainerDir(),
                                "old" + ".git").exists()).isFalse();
        }
    }
}