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Diffstat (limited to 'src/test/java/utils/FileUtils.java')
-rw-r--r-- | src/test/java/utils/FileUtils.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/test/java/utils/FileUtils.java b/src/test/java/utils/FileUtils.java new file mode 100644 index 0000000..8b58618 --- /dev/null +++ b/src/test/java/utils/FileUtils.java @@ -0,0 +1,82 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2019 Nordix Foundation. + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package utils; + +import static org.junit.jupiter.api.Assertions.fail; + +import java.io.IOException; +import java.net.URISyntaxException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.List; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class FileUtils { + + /** + * Reads contents of files inside the eventBodyDirectory, combines contents with metadata to make an Event Object. + * Fails test in the event of failure to read a file. + * @param targetDirectory Path to directory with files. + * @return List of Strings containing the body as acquired from files inside targetDirectory. + * @throws IOException in the event it fails to read from the files. + */ + public static List<String> getFilesFromDirectory(Path targetDirectory ) throws IOException { + try (Stream<Path> eventFileStream = Files.walk(targetDirectory)) { + return eventFileStream.filter(Files::isRegularFile) + .filter(Files::isReadable) + .map(FileUtils::getFileContents) + .collect(Collectors.toList()); + } + } + + /** + * reads contents of file into a string. + * fails a tests in the event failure occurs. + * @param path path to file. + * @return string containing files contents + */ + public static String getFileContents(Path path) { + try { + return new String(Files.readAllBytes(path)); + } catch (IOException exception) { + fail("IOException occurred while reading file."); + } + return null; + } + + /** + * Reads contents of resource. + * fails a test in the event failure occurs. + * @param fileName of file in resources to be read. + * @return contents of file + */ + public static String getFileContents(String fileName) { + try { + Path path = Paths.get(ClassLoader.getSystemResource(fileName).toURI()); + return getFileContents(path); + } catch (URISyntaxException exception) { + fail("Exception occurred, failed to acquire resource URI."); + } + return null; + } +} |