/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.apache.geode.test.junit.rules;
import static org.assertj.core.api.Assertions.*;
import java.io.File;
import com.google.common.io.Files;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.Result;
import org.apache.geode.test.junit.categories.IntegrationTest;
@Category(IntegrationTest.class)
public class TemporaryFileRuleTest {
@Test
public void exceptionIsThrownIfFileAlreadyExists() {
Result result =
TestRunner.runTest(TemporaryFileRuleTest.ExceptionIsThrownIfFileAlreadyExists.class);
assertThat(result.wasSuccessful()).isTrue();
}
@Test
public void fileGetsCreatedProperly() {
Result result = TestRunner.runTest(TemporaryFileRuleTest.FileGetsCreatedProperly.class);
assertThat(result.wasSuccessful()).isTrue();
}
@Test
public void filesGetCleanedUpAfterTestMethod() {
Result result =
TestRunner.runTest(TemporaryFileRuleTest.FilesGetCleanedUpAfterTestMethod.class);
assertThat(result.wasSuccessful()).isTrue();
}
/**
* Used by test {@link #exceptionIsThrownIfFileAlreadyExists()}
*/
public static class ExceptionIsThrownIfFileAlreadyExists {
static File tempDirectory = Files.createTempDir();
@Rule
public TemporaryFileRule temporaryFileRule =
TemporaryFileRule.inDirectory(tempDirectory.getAbsolutePath());
@Test
public void doTest() throws Exception {
String fileName = "fileThatAlreadyExists.txt";
File tempFile = new File(tempDirectory, fileName);
assertThat(tempFile.createNewFile()).isTrue();
assertThatThrownBy(() -> temporaryFileRule.newFile(fileName))
.isInstanceOf(IllegalStateException.class);
}
}
/**
* Used by test {@link #fileGetsCreatedProperly()}
*/
public static class FileGetsCreatedProperly {
static File tempDirectory = Files.createTempDir();
@Rule
public TemporaryFileRule temporaryFileRule =
TemporaryFileRule.inDirectory(tempDirectory.getAbsolutePath());
@Test
public void doTest() throws Exception {
String fileName = "expectedFile.txt";
File expectedFile = new File(tempDirectory, fileName);
File actualFile = temporaryFileRule.newFile(fileName);
assertThat(actualFile).isEqualTo(expectedFile);
}
}
/**
* Used by test {@link #filesGetCleanedUpAfterTestMethod()}
*
* This test ensures that {@link TemporaryFileRule} cleans up the files it created in between each
* test method.
*/
public static class FilesGetCleanedUpAfterTestMethod {
private static String fileName1 = "test1.txt";
private static String fileName2 = "test2.txt";
static File tempDirectory = Files.createTempDir();
@Rule
public TemporaryFileRule temporaryFileRule =
TemporaryFileRule.inDirectory(tempDirectory.getAbsolutePath());
@Test
public void test1() throws Exception {
temporaryFileRule.newFile(fileName1);
assertThat(new File(tempDirectory, fileName1)).exists();
assertThat(new File(tempDirectory, fileName2)).doesNotExist();
}
@Test
public void test2() throws Exception {
temporaryFileRule.newFile(fileName2);
assertThat(new File(tempDirectory, fileName1)).doesNotExist();
assertThat(new File(tempDirectory, fileName2)).exists();
}
}
}