TemporaryFolderTests.java

/**
 * Powerunit - A JDK1.8 test framework
 * Copyright (C) 2014 Mathieu Boretti.
 *
 * This file is part of Powerunit
 *
 * Powerunit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Powerunit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Powerunit. If not, see <http://www.gnu.org/licenses/>.
 */
package ch.powerunit.test.base;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

import ch.powerunit.Categories;
import ch.powerunit.Rule;
import ch.powerunit.Test;
import ch.powerunit.TestRule;
import ch.powerunit.TestSuite;
import ch.powerunit.impl.DefaultPowerUnitRunnerImpl;
import ch.powerunit.rules.TemporaryFolder;

/**
 * @author borettim
 *
 */
public class TemporaryFolderTests {
    public static void main(String[] args) {
        DefaultPowerUnitRunnerImpl<TemporaryFolderTest> runner = new DefaultPowerUnitRunnerImpl<>(
                TemporaryFolderTest.class);
        runner.addListener(new BootstrapTestListener<TemporaryFolderTest>());
        runner.run();

    }

    @Categories("base")
    public static class TemporaryFolderTest implements TestSuite {

        private final TemporaryFolder temporaryFolder = temporaryFolderBuilder()
                .file("toto").folder("tito").file("pipo").end()
                .file("tata", new byte[] { 'x' }).build();

        private Path f;

        private Path f2;

        private Path f3;

        private Path d1;

        @Rule
        public final TestRule chain = after(this::postCheck).around(
                temporaryFolder).around(before(this::createOther));

        @Test
        public void emptyTest() throws IOException {
            assertThat(temporaryFolder.getRootFolder().toFile().exists()).is(
                    true);
            f = temporaryFolder.newFile();
            assertThat(Files.exists(f)).is(true);
            assertThat(Files.exists(f2)).is(true);
            assertThat(Files.exists(f3)).is(true);
            assertThat(f3.toFile().isDirectory()).is(true);
            assertThat(Files.exists(d1)).is(true);
            assertThat(Files.readAllBytes(d1)).is(new byte[] { 'a' });
            assertThat(
                    new File(temporaryFolder.getRootFolder().toFile(), "toto")
                            .exists()).is(true);
            assertThat(
                    new File(temporaryFolder.getRootFolder().toFile(), "tito")
                            .exists()).is(true);
            assertThat(
                    new File(temporaryFolder.getRootFolder().toFile(),
                            "tito/pipo").exists()).is(true);
            assertThat(
                    new File(temporaryFolder.getRootFolder().toFile(), "tata")
                            .exists()).is(true);
            assertThat(
                    Files.readAllBytes(new File(temporaryFolder.getRootFolder()
                            .toFile(), "tata").toPath()))
                    .is(new byte[] { 'x' });
        }

        public void postCheck() {
            assertThat(Files.exists(f)).is(false);
            assertThat(Files.exists(f2)).is(false);
            assertThat(Files.exists(f3)).is(false);
            assertThat(Files.exists(d1)).is(false);
            assertThat(f2.toFile().getName()).is("myName");
            assertThat(temporaryFolder.getRootFolder().toFile().exists()).is(
                    false);
        }

        public void createOther() {
            try {
                f2 = temporaryFolder.newFile("myName");
                f3 = temporaryFolder.newFolder("myFolder");
                d1 = temporaryFolder.newFile("myName2", new byte[] { 'a' });
            } catch (IOException e) {
                fail("Unable to create the new file/folder name "
                        + e.getMessage(), e);
            }
        }
    }

}