| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.onosproject.yangutils.utils.io.impl; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.slf4j.Logger; |
| |
| import static org.hamcrest.core.Is.is; |
| import static org.hamcrest.core.IsNot.not; |
| import static org.junit.Assert.assertThat; |
| import static org.onosproject.yangutils.utils.io.impl.YangFileScanner.getJavaFiles; |
| import static org.onosproject.yangutils.utils.io.impl.YangFileScanner.getYangFiles; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import static java.io.File.separator; |
| |
| /** |
| * Test the file scanner service. |
| */ |
| public final class YangFileScannerTest { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| String baseDir = "target/UnitTestCase"; |
| |
| /** |
| * A private constructor is tested. |
| * |
| * @throws SecurityException if any security violation is observed |
| * @throws NoSuchMethodException if when the method is not found |
| * @throws IllegalArgumentException if there is illegal argument found |
| * @throws InstantiationException if instantiation is provoked for the private constructor |
| * @throws IllegalAccessException if instance is provoked or a method is provoked |
| * @throws InvocationTargetException when an exception occurs by the method or constructor |
| */ |
| @Test |
| public void callPrivateConstructors() throws SecurityException, NoSuchMethodException, IllegalArgumentException, |
| InstantiationException, IllegalAccessException, InvocationTargetException { |
| |
| Class<?>[] classesToConstruct = {YangFileScanner.class }; |
| for (Class<?> clazz : classesToConstruct) { |
| Constructor<?> constructor = clazz.getDeclaredConstructor(); |
| constructor.setAccessible(true); |
| assertThat(null, not(constructor.newInstance())); |
| } |
| } |
| |
| /** |
| * This test case checks for a .java file inside the specified dir. |
| * |
| * @throws IOException when fails to do IO operations |
| */ |
| @Test |
| public void checkJavaFileInsideDirTest() throws IOException { |
| |
| String dir = baseDir + separator + "scanner2"; |
| File path = createDirectory(dir); |
| createFile(path, "testScanner.java"); |
| List<String> dirContents = getJavaFiles(path.toString()); |
| List<String> expectedContents = new LinkedList<>(); |
| expectedContents.add(path.getCanonicalPath() + separator + "testScanner.java"); |
| assertThat(true, is(dirContents.equals(expectedContents))); |
| } |
| |
| /** |
| * Method used for creating multiple directories inside the target file. |
| * |
| * @param path where directories should be created |
| * @return the directory path that is created |
| */ |
| private File createDirectory(String path) { |
| |
| File myDir = new File(path); |
| myDir.mkdirs(); |
| return myDir; |
| } |
| |
| /** |
| * Method used for creating file inside the specified directory. |
| * |
| * @param myDir the path where file has to be created inside |
| * @param fileName the name of the file to be created |
| */ |
| private void createFile(File myDir, String fileName) throws IOException { |
| |
| File file = null; |
| file = new File(myDir + separator + fileName); |
| file.createNewFile(); |
| } |
| |
| /** |
| * This testcase checks for a java file inside an empty directory. |
| * |
| * @throws IOException when fails to do IO operations |
| */ |
| @Test |
| public void emptyDirJavaScannerTest() throws IOException { |
| |
| String emptyDir = baseDir + separator + "scanner1"; |
| File path = createDirectory(emptyDir); |
| List<String> emptyDirContents = getJavaFiles(path.toString()); |
| List<String> expectedContents = new LinkedList<>(); |
| assertThat(true, is(emptyDirContents.equals(expectedContents))); |
| } |
| |
| /** |
| * This testcase checks for a yang file inside an empty directory. |
| * |
| * @throws IOException when fails to do IO operations |
| */ |
| @Test |
| public void emptyDirYangScannerTest() throws IOException { |
| |
| String emptyYangDir = baseDir + separator + "scanner1"; |
| File path = createDirectory(emptyYangDir); |
| List<String> emptyDirContents = getYangFiles(path.toString()); |
| List<String> expectedContents = new LinkedList<>(); |
| assertThat(true, is(emptyDirContents.equals(expectedContents))); |
| } |
| |
| /** |
| * This test case checks with the sub directories in the given path for java files. |
| * |
| * @throws IOException when fails to do IO operations |
| */ |
| @Test |
| public void emptySubDirScannerTest() throws IOException { |
| |
| String dir = baseDir + separator + "scanner3"; |
| File path = createDirectory(dir); |
| String subDir = path.toString() + separator + "subDir1"; |
| createDirectory(subDir); |
| createFile(path, "invalidFile.txt"); |
| List<String> emptySubDirContents = getJavaFiles(path.toString()); |
| List<String> expectedContents = new LinkedList<>(); |
| assertThat(true, is(emptySubDirContents.equals(expectedContents))); |
| } |
| |
| } |