org.wte4j.examples.showcase.server.hsql.ShowCaseDbInitializerTest.java Source code

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Here is the source code for org.wte4j.examples.showcase.server.hsql.ShowCaseDbInitializerTest.java

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/**
 * Copyright (C) 2015 Born Informatik AG (www.born.ch)
 *
 * 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.wte4j.examples.showcase.server.hsql;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.Set;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.StaticApplicationContext;

public class ShowCaseDbInitializerTest {

    ApplicationContext context;

    @Test
    public void createDatabaseFiles() throws IOException {
        ApplicationContext context = new StaticApplicationContext();
        Path directory = Files.createTempDirectory("database");
        try {
            ShowCaseDbInitializer showCaseDbInitializer = new ShowCaseDbInitializer(context);
            showCaseDbInitializer.createDateBaseFiles(directory, false);

            Set<String> fileNamesInDirectory = listFiles(directory);

            Set<String> expectedFileNames = new HashSet<String>();
            expectedFileNames.add("wte4j-showcase.lobs");
            expectedFileNames.add("wte4j-showcase.properties");
            expectedFileNames.add("wte4j-showcase.script");
            assertEquals(expectedFileNames, fileNamesInDirectory);
        } finally {
            deleteDirectory(directory);
        }
    }

    @Test
    public void createDatabaseFilesWithoutOveride() throws IOException, SQLException {
        ApplicationContext context = new StaticApplicationContext();
        Path directory = Files.createTempDirectory("database");
        Path dummyFile = directory.resolve("wte4j-showcase.script");
        Files.createFile(dummyFile);
        try {
            ShowCaseDbInitializer showCaseDbInitializer = new ShowCaseDbInitializer(context);
            showCaseDbInitializer.createDateBaseFiles(directory, false);

            Set<String> fileNamesInDirectory = listFiles(directory);
            Set<String> expectedFileNames = new HashSet<String>();
            expectedFileNames.add("wte4j-showcase.script");
            assertEquals(expectedFileNames, fileNamesInDirectory);
            assertEquals(0, Files.size(dummyFile));
        } finally {
            deleteDirectory(directory);
        }
    }

    @Test
    public void createDatabaseFilesWithOveride() throws IOException, SQLException {
        ApplicationContext context = new StaticApplicationContext();
        Path directory = Files.createTempDirectory("database");
        Path dummyFile = directory.resolve("wte4j-showcase.script");
        Files.createFile(dummyFile);

        try {

            ShowCaseDbInitializer showCaseDbInitializer = new ShowCaseDbInitializer(context);
            showCaseDbInitializer.createDateBaseFiles(directory, true);

            Set<String> fileNamesInDirectory = listFiles(directory);
            Set<String> expectedFileNames = new HashSet<String>();
            expectedFileNames.add("wte4j-showcase.lobs");
            expectedFileNames.add("wte4j-showcase.properties");
            expectedFileNames.add("wte4j-showcase.script");
            assertEquals(expectedFileNames, fileNamesInDirectory);
            assertTrue(Files.size(dummyFile) > 0);

        } finally {
            deleteDirectory(directory);
        }
    }

    private Set<String> listFiles(Path directory) throws IOException {
        Set<String> fileNamesInDirectory = new HashSet<String>();
        try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(directory)) {
            for (Path path : directoryStream) {
                fileNamesInDirectory.add(path.getFileName().toString());
            }
        }
        return fileNamesInDirectory;
    }

    private void deleteDirectory(Path path) throws IOException {

        Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Files.deleteIfExists(file);
                return super.visitFile(file, attrs);
            }
        });
        Files.deleteIfExists(path);

    }
}